Renal Pelvis and Ureter Urothelial Carcinoma

PRINCETON, N.J.--(BUSINESS WIRE)--UroGen Pharma Ltd. (Nasdaq: URGN), a biotech company dedicated to developing and commercializing novel solutions that treat urothelial and specialty cancers, today announced that it has filed a lawsuit in the U.S. District Court for the District of Delaware against Teva Pharmaceuticals, Inc., Teva Pharmaceuticals USA, Inc., and Teva Pharmaceutical Industries, Ltd., alleging infringement of U.S. Patent Numbers 9,040,074 (“the ’074 patent”) and 9,950,069 (“the ’069 patent”). Both patents are listed in the U.S. Food and Drug Administration’s (“FDA”) Approved Drug Products with Therapeutic Equivalence Evaluations (commonly known as the Orange Book) for JELMYTO® (mitomycin) for pyelocalyceal solution. JELMYTO® is indicated for the treatment of adults with low-grade, upper tract urothelial cancer (“LG-UTUC”) and utilizes UroGen’s RTGel® reverse-thermal hydrogel, a proprietary sustained-release, hydrogel-based platform technology. “UroGen pioneered a significant breakthrough and remains at the forefront of transforming urothelial cancer treatment,” said Liz Barrett, President and CEO, UroGen. “UroGen has full confidence in the strength of its patents and plans to vigorously defend our intellectual property rights.” The lawsuit follows an Abbreviated New Drug Application filed by Teva Pharmaceuticals, Inc., which seeks authorization from the FDA to manufacture, use or sell a generic version of mitomycin for pyelocalyceal solution, 40 mg/vial in the United States before the expiry of the ’074 and ’069 patents. About JELMYTO JELMYTO® (mitomycin) for pyelocalyceal solution is a mitomycin-containing reverse thermal gel containing 4 mg mitomycin per mL gel indicated for the treatment of adult patients with LG-UTUC. It is recommended for primary treatment of biopsy-proven LG-UTUC in patients deemed appropriate candidates for renal-sparing therapy. JELMYTO is a viscous liquid when cooled and becomes a semi-solid gel at body temperature. The drug slowly dissolves over four to six hours after instillation and is removed from the urinary tract by normal urine flow and voiding. It is approved for administration in a retrograde manner via ureteral catheter or antegrade through nephrostomy tube. The delivery system allows the initial liquid to coat and conform to the upper urinary tract anatomy. The eventual semisolid gel allows for chemoablative therapy to remain in the collecting system for four to six hours without immediately being diluted or washed away by urine flow. About Upper Tract Urothelial Cancer (UTUC) Urothelial cancer is the ninth most common cancer globally and the eighth most lethal neoplasm in men in the U.S. Between five percent and ten percent of primary urothelial cancers originate in the ureter or renal pelvis and are collectively referred to as upper tract urothelial cancers (UTUC). In the U.S., there are approximately 6,000 - 7,000 new or recurrent low-grade UTUC patients annually. Most cases are diagnosed in patients over 70 years old, and these older patients often face comorbidities. There are limited treatment options for UTUC, with the most common being endoscopic surgery or nephroureterectomy (removal of the entire kidney and ureter). These treatments can lead to a high rate of recurrence and relapse. About UroGen Pharma Ltd. UroGen is a biotech company dedicated to developing and commercializing innovative solutions that treat urothelial and specialty cancers because patients deserve better options. UroGen has developed RTGel reverse-thermal hydrogel, a proprietary sustained-release, hydrogel-based platform technology that has the potential to improve the therapeutic profiles of existing drugs. UroGen’s sustained release technology is designed to enable longer exposure of the urinary tract tissue to medications, making local therapy a potentially more effective treatment option. Our first product to treat low-grade upper tract urothelial cancer and investigational treatment UGN-102 (mitomycin) for intravesical solution for patients with low-grade non-muscle invasive bladder cancer are designed to ablate tumors by non-surgical means. UroGen is headquartered in Princeton, NJ with operations in Israel. Visit to learn more or follow us on X (Twitter), @UroGenPharma. APPROVED USE FOR JELMYTO JELMYTO® is a prescription medicine used to treat adults with a type of cancer of the lining of the upper urinary tract including the kidney called low-grade Upper Tract Urothelial Cancer (LG-UTUC). IMPORTANT SAFETY INFORMATION You should not receive JELMYTO if you have a hole or tear (perforation) of your bladder or upper urinary tract. Before receiving JELMYTO, tell your healthcare provider about all your medical conditions, including if you: are pregnant or plan to become pregnant. JELMYTO can harm your unborn baby. You should not become pregnant during treatment with JELMYTO. Tell your healthcare provider right away if you become pregnant or think you may be pregnant during treatment with JELMYTO. Females who are able to become pregnant: You should use effective birth control (contraception) during treatment with JELMYTO and for 6 months after the last dose. Males being treated with JELMYTO: If you have a female partner who is able to become pregnant, you should use effective birth control (contraception) during treatment with JELMYTO and for 3 months after the last dose. are breastfeeding or plan to breastfeed. It is not known if JELMYTO passes into your breast milk. Do not breastfeed during treatment with JELMYTO and for 1 week after the last dose. Tell your healthcare provider if you take water pills (diuretic). How will I receive JELMYTO? Your healthcare provider will tell you to take a medicine called sodium bicarbonate before each JELMYTO treatment. You will receive your JELMYTO dose from your healthcare provider 1 time a week for 6 weeks. It is important that you receive all 6 doses of JELMYTO according to your healthcare provider’s instructions. If you miss any appointments, call your healthcare provider as soon as possible to reschedule your appointment. Your healthcare provider may recommend up to an additional 11 monthly doses. JELMYTO is given to your kidney through a tube called a catheter. During treatment with JELMYTO, your healthcare provider may tell you to take additional medicines or change how you take your current medicines. After receiving JELMYTO: JELMYTO may cause your urine color to change to a violet to blue color. Avoid contact between your skin and urine for at least 6 hours. To urinate, males and females should sit on a toilet and flush the toilet several times after you use it. After going to the bathroom, wash your hands, your inner thighs, and genital area well with soap and water. Clothing that comes in contact with urine should be washed right away and washed separately from other clothing. JELMYTO may cause serious side effects, including: Swelling and narrowing of the tube that carries urine from the kidney to the bladder (ureteric obstruction). If you develop swelling and narrowing, and to protect your kidney from damage, your healthcare provider may recommend the placement of a small plastic tube (stent) in the ureter to help the kidney drain. Tell your healthcare provider right away if you develop side pain or fever during treatment with JELMYTO. Bone marrow problems. JELMYTO can affect your bone marrow and can cause a decrease in your white blood cell, red blood cell, and platelet counts. Your healthcare provider will do blood tests prior to each treatment to check your blood cell counts during treatment with JELMYTO. Your healthcare provider may need to temporarily or permanently stop JELMYTO if you develop bone marrow problems during treatment with JELMYTO. The most common side effects of JELMYTO include: urinary tract infection, blood in your urine, side pain, nausea, trouble with urination, kidney problems, vomiting, tiredness, stomach (abdomen) pain. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit or call 1‑800‑FDA‑1088. You may also report side effects to UroGen Pharma at 1-855-987-6436. Please see JELMYTO Full Prescribing Information, including the Patient Information, for additional information. Forward-Looking Statements This statement contains forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995, including, without limitation, statements regarding: the potential for UroGen to transform urothelial cancer treatments; the strength of UroGen’s patents and UroGen’s plans to vigorously defend its intellectual property rights; the patient population for UTUC; the potential of UroGen’s proprietary RTGel technology to improve therapeutic profiles of existing drugs; and UroGen’s sustained release technology making local delivery potentially more effective as compared to other treatment options. Words and phrases such as “anticipate,” “assume,” “believe,” “expected,” “if,” “indicate,” “look forward to,” “potential,” “will,” or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are subject to a number of risks, uncertainties and assumptions, including, but not limited to: uncertainties related to whether UroGen’s patent-infringement lawsuit against Teva will be successful; the ability obtain and maintain adequate intellectual property rights and adequately protect and enforce such rights; the costs and outcome of legal proceedings to enforce such intellectual property rights, including the lawsuit against Teva; competition in UroGen’s industry, including the potential approval and introduction of generic or branded products that compete with UroGen’s product or product candidates; the ability to maintain regulatory approval; complications associated with commercialization activities; the scope, progress and expansion of developing and commercializing UroGen’s product candidates; the timing and success of clinical trials and potential safety and other complications thereof; the size and growth of the market(s) for UroGen’s product and product candidates and the rate and degree of market acceptance thereof vis-à-vis alternative therapies; UroGen’s RTGel technology may not perform as expected; UroGen may not successfully develop and receive regulatory approval of any other product that incorporates RTGel technology; UroGen’s ability to attract or retain key management, members of the board of directors and personnel; and UroGen’s financial condition and need for additional capital in the future. In light of these risks and uncertainties, and other risks and uncertainties that are described in the Risk Factors section of UroGen’s Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on March 14, 2024 (which are available at ), the events and circumstances discussed in such forward-looking statements may not occur, and UroGen’s actual results could differ materially and adversely from those anticipated or implied thereby. Any forward-looking statements speak only as of the date of this press release and are based on information available to UroGen as of the date of this release.

- Pivotal trial found the enfortumab vedotin plus pembrolizumab combination significantly extended overall and progression-free survival vs platinum-containing chemotherapy- - If approved, enfortumab vedotin with KEYTRUDA would be the first combination in China to offer an alternative to chemotherapy, the current standard of care in first-line locally advanced or metastatic urothelial cancer- TOKYO, March 28, 2024 /PRNewswire/ -- Astellas Pharma Inc. (TSE:4503, President and CEO: Naoki Okamura, "Astellas") today announced that on March 27, 2024 the Center for Drug Evaluation (CDE) of the China National Medical Products Administration (NMPA) has accepted the supplemental Biologics License Application (sBLA) for enfortumab vedotin with KEYTRUDA® (pembrolizumab) as a combination therapy for the first-line treatment of adult patients with previously untreated locally advanced or metastatic urothelial cancer (la/mUC). If approved, enfortumab vedotin with KEYTRUDA has the potential to change the treatment paradigm, becoming the first combination treatment to offer an alternative to platinum-containing chemotherapy, the current standard of care in first-line la/mUC. Urothelial cancer (UC) encompasses cancers of both the lower urinary tract (bladder and urethra) and upper tract (ureter and renal pelvis), with disease that originates in the lower tract accounting for 90% to 95% of all UC cases.i,ii Globally, approximately 614,000 new cases of bladder cancer and approximately 220,000 deaths are reported annually.iii It is estimated that approximately 93,000 people in China were diagnosed with bladder cancer and approximately 41,000 deaths were reported in 2022.iv Ahsan Arozullah, M.D., M.P.H., Senior Vice President, Head of Oncology Development, Astellas "Locally advanced or metastatic urothelial cancer is a life-threatening condition in China with nearly half of those diagnosed succumbing to the disease. The CDE's acceptance of our sBLA for enfortumab vedotin and pembrolizumab brings us one step closer to delivering a much-needed, innovative new treatment option for this patient population." Professor Guo Jun, lead PI in China for the EV-302 trial, director of the Department of Melanoma and Urological Oncology at Beijing Cancer Hospital, executive board member of the Chinese Society Of Clinical Oncology (CSCO) "In China, the recommended first-line treatment for advanced urothelial cancer is platinum-based chemotherapy, and there are currently no other treatments approved in the first-line setting. Given the efficacy brought by chemotherapy, alternate treatment options are extremely needed to extend survival benefits and potentially improve the prognosis of those patients. The results of the EV-302 study demonstrated that enfortumab vedotin in combination with pembrolizumab, as the first non-platinum first-line treatment, can achieve a clinically meaningful improvement in response rate, nearly double the median progression-free survival, and significantly improve the overall survival benefit of patients with locally advanced or metastatic urothelial cancer compared to chemotherapy." The sBLA for the first-line use of this combination is based on results from the Phase 3 EV-302 clinical trial (also known as KEYNOTE-A39). The study found that the combination improved overall survival (OS) and progression-free survival (PFS) with statistically significant and clinically meaningful results in patients with previously untreated la/mUC compared to platinum-containing chemotherapy. The safety results were consistent with those previously reported with this combination, and no new safety issues were identified. The NMPA is also reviewing enfortumab vedotin as a treatment for patients with locally advanced or metastatic urothelial cancer (la/mUC) who received prior treatment with a PD-1/L1 inhibitor and platinum-based chemotherapy. The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency is reviewing the enfortumab vedotin in combination with pembrolizumab therapy, as well as Japan's Ministry of Health, Labour and Welfare (MHLW). The U.S. Food and Drug Administration approved the combination therapy in December 2023. About EV-302 The EV-302 trial is an open-label, randomized, controlled Phase 3 study, evaluating enfortumab vedotin in combination with pembrolizumab versus platinum-containing chemotherapy in patients with previously untreated la/mUC. The study enrolled 886 patients with previously untreated la/mUC who were eligible for cisplatin- or carboplatin-containing chemotherapy regardless of PD-L1 status. Patients were randomized to receive either enfortumab vedotin in combination with pembrolizumab or platinum-containing chemotherapy. The dual primary endpoints of this trial are OS and PFS per RECIST v1.1 by blinded independent central review (BICR). Select secondary endpoints include ORR per RECIST v1.1 by BICR, DOR per RECIST v1.1 by BICR, and safety. The EV-302 trial is part of an extensive clinical program evaluating this combination in multiple stages of urothelial cancer and other solid tumors. Findings from EV-302 were presented at the European Society for Medical Oncology (ESMO) Congress 2023 in October 2023. About Bladder and Urothelial Cancer Urothelial cancer, or bladder cancer, begins in the urothelial cells, which line the urethra, bladder, ureters, renal pelvis, and some other organs.v If bladder cancer has spread to surrounding organs or muscles, it is called locally advanced disease. If the cancer has spread to other parts of the body, it is called metastatic disease.vi Urothelial cancer accounts for 90% of all bladder cancers and can also be found in the renal pelvis, ureter, and urethra.iii Approximately 12% of cases are locally advanced or metastatic urothelial cancer at diagnosis.vii Ongoing Investigational Trials The EV-302 trial (NCT04223856) is an open-label, randomized, controlled Phase 3 study, evaluating enfortumab vedotin in combination with pembrolizumab versus platinum-containing chemotherapy in patients with previously untreated locally advanced or metastatic urothelial cancer (la/mUC) who were eligible for cisplatin- or carboplatin-containing chemotherapy regardless of PD-L1 status. The EV-103 trial (NCT03288545) is an ongoing, multi-cohort, open-label, multicenter Phase 1b/2 study investigating enfortumab vedotin alone or in combination with pembrolizumab and/or chemotherapy in first- or second-line settings in patients with la/mUC and in patients with muscle-invasive bladder cancer (MIBC). Enfortumab vedotin in combination with pembrolizumab is being investigated in an extensive program in multiple stages of urothelial cancer, including two Phase 3 clinical trials in MIBC in EV-304 (NCT04700124, also known as KEYNOTE-B15) and EV-303 (NCT03924895, also known as KEYNOTE-905). The use of enfortumab vedotin in combination with pembrolizumab in second-line urothelial cancer and MIBC has not been proven safe or effective. The EV-202 trial (NCT04225117) is an ongoing, multi-cohort, open-label, multicenter Phase 2 study investigating enfortumab vedotin alone in patients with previously treated advanced solid tumors. This study also has a cohort that is investigating enfortumab vedotin in combination with pembrolizumab in patients with previously untreated recurrent/ metastatic head and neck squamous cell carcinoma. The EV-203 trial (NCT04995419) is a Phase 2, multicenter, single-arm bridging study in China designed to evaluate the efficacy, safety, and pharmacokinetic performance of enfortumab vedotin as treatment for patients in China. A total of 40 patients were enrolled in the study. About Enfortumab Vedotin Enfortumab vedotin is a first-in-class antibody-drug conjugate (ADC) that is directed against Nectin-4, a protein located on the surface of cells and highly expressed in bladder cancer.viii Nonclinical data suggest the anticancer activity of enfortumab vedotin is due to its binding to Nectin-4-expressing cells, followed by the internalization and release of the anti-tumor agent monomethyl auristatin E (MMAE) into the cell, which result in the cell not reproducing (cell cycle arrest) and in programmed cell death (apoptosis).ix PADCEV (enfortumab vedotin-ejfv) U.S. Indication & Important Safety Information BOXED WARNING: SERIOUS SKIN REACTIONS PADCEV can cause severe and fatal cutaneous adverse reactions including Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), which occurred predominantly during the first cycle of treatment, but may occur later. Closely monitor patients for skin reactions. Immediately withhold PADCEV and consider referral for specialized care for suspected SJS or TEN or severe skin reactions. Permanently discontinue PADCEV in patients with confirmed SJS or TEN; or Grade 4 or recurrent Grade 3 skin reactions. Indication PADCEV®, in combination with pembrolizumab, is indicated for the treatment of adult patients with locally advanced or metastatic urothelial cancer (mUC). PADCEV, as a single agent, is indicated for the treatment of adult patients with locally advanced or mUC who: have previously received a programmed death receptor-1 (PD-1) or programmed death-ligand 1 (PD-L1) inhibitor and platinum-containing chemotherapy, or are ineligible for cisplatin-containing chemotherapy and have previously received one or more prior lines of therapy. IMPORTANT SAFETY INFORMATION Warnings and Precautions Skin reactions Severe cutaneous adverse reactions, including fatal cases of SJS or TEN occurred in patients treated with PADCEV. SJS and TEN occurred predominantly during the first cycle of treatment but may occur later. Skin reactions occurred in 70% (all grades) of the 564 patients treated with PADCEV in combination with pembrolizumab in clinical trials. When PADCEV was given in combination with pembrolizumab, the incidence of skin reactions, including severe events, occurred at a higher rate compared to PADCEV as a single agent. The majority of the skin reactions that occurred with combination therapy included maculo-papular rash, macular rash and papular rash. Grade 3-4 skin reactions occurred in 17% of patients (Grade 3: 16%, Grade 4: 1%), including maculo-papular rash, bullous dermatitis, dermatitis, exfoliative dermatitis, pemphigoid, rash, erythematous rash, macular rash, and papular rash. A fatal reaction of bullous dermatitis occurred in one patient (0.2%). The median time to onset of severe skin reactions was 1.7 months (range: 0.1 to 17.2 months). Skin reactions led to discontinuation of PADCEV in 6% of patients. Skin reactions occurred in 58% (all grades) of the 720 patients treated with PADCEV as a single agent in clinical trials. Twenty-three percent (23%) of patients had maculo-papular rash and 34% had pruritus. Grade 3-4 skin reactions occurred in 14% of patients, including maculo-papular rash, erythematous rash, rash or drug eruption, symmetrical drug-related intertriginous and flexural exanthema (SDRIFE), bullous dermatitis, exfoliative dermatitis, and palmar-plantar erythrodysesthesia. The median time to onset of severe skin reactions was 0.6 months (range: 0.1 to 8 months). Among patients experiencing a skin reaction leading to dose interruption who then restarted PADCEV (n=75), 24% of patients restarting at the same dose and 24% of patients restarting at a reduced dose experienced recurrent severe skin reactions. Skin reactions led to discontinuation of PADCEV in 3.1% of patients. Monitor patients closely throughout treatment for skin reactions. Consider topical corticosteroids and antihistamines, as clinically indicated. For persistent or recurrent Grade 2 skin reactions, consider withholding PADCEV until Grade ≤1. Withhold PADCEV and refer for specialized care for suspected SJS, TEN or for Grade 3 skin reactions. Permanently discontinue PADCEV in patients with confirmed SJS or TEN; or Grade 4 or recurrent Grade 3 skin reactions. Hyperglycemia and diabetic ketoacidosis (DKA), including fatal events, occurred in patients with and without pre-existing diabetes mellitus, treated with PADCEV. Patients with baseline hemoglobin A1C ≥8% were excluded from clinical trials. In clinical trials of PADCEV as a single agent, 17% of the 720 patients treated with PADCEV developed hyperglycemia of any grade; 7% of patients developed Grade 3-4 hyperglycemia (Grade 3: 6.5%, Grade 4: 0.6%). Fatal events of hyperglycemia and DKA occurred in one patient each (0.1%). The incidence of Grade 3-4 hyperglycemia increased consistently in patients with higher body mass index and in patients with higher baseline A1C. The median time to onset of hyperglycemia was 0.5 months (range: 0 to 20 months). Hyperglycemia led to discontinuation of PADCEV in 0.7% of patients. Five percent (5%) of patients required initiation of insulin therapy for treatment of hyperglycemia. Of the patients who initiated insulin therapy for treatment of hyperglycemia, 66% (23/35) discontinued insulin at the time of last evaluation. Closely monitor blood glucose levels in patients with, or at risk for, diabetes mellitus or hyperglycemia. If blood glucose is elevated (>250 mg/dL), withhold PADCEV. Pneumonitis/Interstitial Lung Disease (ILD) Severe, life-threatening or fatal pneumonitis/ILD occurred in patients treated with PADCEV. When PADCEV was given in combination with pembrolizumab, 10% of the 564 patients treated with combination therapy had pneumonitis/ILD of any grade and 4% had Grade 3-4. A fatal event of pneumonitis/ILD occurred in two patients (0.4%). The incidence of pneumonitis/ILD, including severe events, occurred at a higher rate when PADCEV was given in combination with pembrolizumab compared to PADCEV as a single agent. The median time to onset of any grade pneumonitis/ILD was 4 months (range: 0.3 to 26 months). In clinical trials of PADCEV as a single agent, 3% of the 720 patients treated with PADCEV had pneumonitis/ILD of any grade and 0.8% had Grade 3-4. The median time to onset of any grade pneumonitis/ILD was 2.9 months (range: 0.6 to 6 months). Monitor patients for signs and symptoms indicative of pneumonitis/ILD such as hypoxia, cough, dyspnea or interstitial infiltrates on radiologic exams. Evaluate and exclude infectious, neoplastic and other causes for such signs and symptoms through appropriate investigations. Withhold PADCEV for patients who develop Grade 2 pneumonitis/ILD and consider dose reduction. Permanently discontinue PADCEV in all patients with Grade 3 or 4 pneumonitis/ILD. Peripheral neuropathy (PN) When PADCEV was given in combination with pembrolizumab, 67% of the 564 patients treated with combination therapy had PN of any grade, 36% had Grade 2 neuropathy, and 7% had Grade 3 neuropathy. The incidence of PN occurred at a higher rate when PADCEV was given in combination with pembrolizumab compared to PADCEV as a single agent. The median time to onset of Grade ≥2 PN was 6 months (range: 0.3 to 25 months). PN occurred in 53% of the 720 patients treated with PADCEV as a single agent in clinical trials including 38% with sensory neuropathy, 8% with muscular weakness and 7% with motor neuropathy. Thirty percent of patients experienced Grade 2 reactions and 5% experienced Grade 3-4 reactions. PN occurred in patients treated with PADCEV with or without preexisting PN. The median time to onset of Grade ≥2 PN was 4.9 months (range: 0.1 to 20 months). Neuropathy led to treatment discontinuation in 6% of patients. Monitor patients for symptoms of new or worsening PN and consider dose interruption or dose reduction of PADCEV when PN occurs. Permanently discontinue PADCEV in patients who develop Grade ≥3 PN. Ocular disorders were reported in 40% of the 384 patients treated with PADCEV as a single agent in clinical trials in which ophthalmologic exams were scheduled. The majority of these events involved the cornea and included events associated with dry eye such as keratitis, blurred vision, increased lacrimation, conjunctivitis, limbal stem cell deficiency, and keratopathy. Dry eye symptoms occurred in 30% of patients, and blurred vision occurred in 10% of patients, during treatment with PADCEV. The median time to onset to symptomatic ocular disorder was 1.7 months (range: 0 to 30.6 months). Monitor patients for ocular disorders. Consider artificial tears for prophylaxis of dry eyes and ophthalmologic evaluation if ocular symptoms occur or do not resolve. Consider treatment with ophthalmic topical steroids, if indicated after an ophthalmic exam. Consider dose interruption or dose reduction of PADCEV for symptomatic ocular disorders. Infusion site extravasation Skin and soft tissue reactions secondary to extravasation have been observed after administration of PADCEV. Of the 720 patients treated with PADCEV as a single agent in clinical trials, 1% of patients experienced skin and soft tissue reactions, including 0.3% who experienced Grade 3-4 reactions. Reactions may be delayed. Erythema, swelling, increased temperature, and pain worsened until 2-7 days after extravasation and resolved within 1-4 weeks of peak. Two patients (0.3%) developed extravasation reactions with secondary cellulitis, bullae, or exfoliation. Ensure adequate venous access prior to starting PADCEV and monitor for possible extravasation during administration. If extravasation occurs, stop the infusion and monitor for adverse reactions. Embryo-fetal toxicity PADCEV can cause fetal harm when administered to a pregnant woman. Advise patients of the potential risk to the fetus. Advise female patients of reproductive potential to use effective contraception during PADCEV treatment and for 2 months after the last dose. Advise male patients with female partners of reproductive potential to use effective contraception during treatment with PADCEV and for 4 months after the last dose. ADVERSE REACTIONS Most common adverse reactions, including laboratory abnormalities  (≥20%) (PADCEV in combination with pembrolizumab) Increased aspartate aminotransferase (AST), increased creatinine, rash, increased glucose, PN, increased lipase, decreased lymphocytes, increased alanine aminotransferase (ALT), decreased hemoglobin, fatigue, decreased sodium, decreased phosphate, decreased albumin, pruritus, diarrhea, alopecia, decreased weight, decreased appetite, increased urate, decreased neutrophils, decreased potassium, dry eye, nausea, constipation, increased potassium, dysgeusia, urinary tract infection and decreased platelets. Most common adverse reactions, including laboratory abnormalities (≥20%) (PADCEV monotherapy) Increased glucose, increased AST, decreased lymphocytes, increased creatinine, rash, fatigue, PN, decreased albumin, decreased hemoglobin, alopecia, decreased appetite, decreased neutrophils, decreased sodium, increased ALT, decreased phosphate, diarrhea, nausea, pruritus, increased urate, dry eye, dysgeusia, constipation, increased lipase, decreased weight, decreased platelets, abdominal pain, dry skin. EV-302 Study: 440 patients with previously untreated la/mUC (PADCEV in combination with pembrolizumab) Serious adverse reactions occurred in 50% of patients treated with PADCEV in combination with pembrolizumab. The most common serious adverse reactions (≥2%) were rash (6%), acute kidney injury (5%), pneumonitis/ILD (4.5%), urinary tract infection (3.6%), diarrhea (3.2%), pneumonia (2.3%), pyrexia (2%), and hyperglycemia (2%).  Fatal adverse reactions occurred in 3.9% of patients treated with PADCEV in combination with pembrolizumab including acute respiratory failure (0.7%), pneumonia (0.5%), and pneumonitis/ILD (0.2%). Adverse reactions leading to discontinuation of PADCEV occurred in 35% of patients. The  most common adverse reactions (≥2%) leading to discontinuation of PADCEV were PN (15%), rash (4.1%) and pneumonitis/ILD (2.3%). Adverse reactions leading to dose interruption of PADCEV occurred in 73% of patients. The  most common adverse reactions (≥2%) leading to dose interruption of PADCEV were PN (22%), rash (16%), COVID-19 (10%), diarrhea (5%), pneumonitis/ILD (4.8%), fatigue (3.9%), hyperglycemia (3.6%), increased ALT (3%) and pruritus (2.5%). Adverse reactions leading to dose reduction of PADCEV occurred in 42% of patients. The  most common adverse reactions (≥2%) leading to dose reduction of PADCEV were rash (16%), PN (13%) and fatigue (2.7%). EV-103 Study: 121 patients with previously untreated la/mUC who were not eligible for cisplatin-containing chemotherapy (PADCEV in combination with pembrolizumab) Serious adverse reactions occurred in 50% of patients treated with PADCEV in combination with pembrolizumab; the most common (≥2%) were acute kidney injury (7%), urinary tract infection (7%), urosepsis (5%), sepsis (3.3%), pneumonia (3.3%), hematuria (3.3%), pneumonitis/ILD (3.3%), urinary retention (2.5%), diarrhea (2.5%), myasthenia gravis (2.5%), myositis (2.5%), anemia (2.5%), and hypotension (2.5%).  Fatal adverse reactions occurred in 5% of patients treated with PADCEV in combination with pembrolizumab, including sepsis (1.6%), bullous dermatitis (0.8%), myasthenia gravis (0.8%), and pneumonitis/ILD (0.8%).  Adverse reactions leading to discontinuation of PADCEV occurred in 36% of patients; the most common (≥2%) were PN (20%) and rash (6%).  Adverse reactions leading to dose interruption of PADCEV occurred in 69% of patients; the most common (≥2%) were PN (18%), rash (12%), increased lipase (6%), pneumonitis/ILD (6%), diarrhea (4.1%), acute kidney injury (3.3%), increased ALT (3.3%), fatigue (3.3%), neutropenia (3.3%), urinary tract infection (3.3%), increased amylase (2.5%), anemia (2.5%), COVID-19 (2.5%), hyperglycemia (2.5%), and hypotension (2.5%).  Adverse reactions leading to dose reduction of PADCEV occurred in 45% of patients; the most common (≥2%) were PN (17%), rash (12%), fatigue (5%), neutropenia (5%), and diarrhea (4.1%). EV-301 Study: 296 patients previously treated with a PD-1/L1 inhibitor and platinum-based chemotherapy (PADCEV monotherapy) Serious adverse reactions occurred in 47% of patients treated with PADCEV; the most common (≥2%) were urinary tract infection, acute kidney injury (7% each), and pneumonia (5%).  Fatal adverse reactions occurred in 3% of patients, including multiorgan dysfunction (1%), hepatic dysfunction, septic shock, hyperglycemia, pneumonitis/ILD, and pelvic abscess (0.3% each).  Adverse reactions leading to discontinuation occurred in 17% of patients; the most common (≥2%) were PN (5%) and rash (4%).  Adverse reactions leading to dose interruption occurred in 61% of patients; the most common (≥4%) were PN (23%), rash (11%), and fatigue (9%).  Adverse reactions leading to dose reduction occurred in 34% of patients; the most common (≥2%) were PN (10%), rash (8%), decreased appetite, and fatigue (3% each). EV-201, Cohort 2 Study: 89 patients previously treated with a PD-1/L1 inhibitor and not eligible for cisplatin-based chemotherapy (PADCEV monotherapy) Serious adverse reactions occurred in 39% of patients treated with PADCEV; the most common (≥3%) were pneumonia, sepsis, and diarrhea (5% each). Fatal adverse reactions occurred in 8% of patients, including acute kidney injury (2.2%), metabolic acidosis, sepsis, multiorgan dysfunction, pneumonia, and pneumonitis/ILD (1.1% each). Adverse reactions leading to discontinuation occurred in 20% of patients; the most common (≥2%) was PN (7%). Adverse reactions leading to dose interruption occurred in 60% of patients; the most common (≥3%) were PN (19%), rash (9%), fatigue (8%), diarrhea (5%), increased AST, and hyperglycemia (3% each). Adverse reactions leading to dose reduction occurred in 49% of patients; the most common (≥3%) were PN (19%), rash (11%), and fatigue (7%). DRUG INTERACTIONS Effects of other drugs on PADCEV (Dual P-gp and Strong CYP3A4 Inhibitors) Concomitant use with dual P-gp and strong CYP3A4 inhibitors may increase unconjugated monomethyl auristatin E exposure, which may increase the incidence or severity of PADCEV toxicities. Closely monitor patients for signs of toxicity when PADCEV is given concomitantly with dual P-gp and strong CYP3A4 inhibitors. SPECIFIC POPULATIONS Lactation Advise lactating women not to breastfeed during treatment with PADCEV and for 3 weeks after the last dose. Hepatic impairment Avoid the use of PADCEV in patients with moderate or severe hepatic impairment. For more information, please see the U.S. full Prescribing Information including BOXED WARNING for PADCEV here. About Astellas Astellas Pharma Inc. is a pharmaceutical company conducting business in more than 70 countries around the world. We are promoting the Focus Area Approach that is designed to identify opportunities for the continuous creation of new drugs to address diseases with high unmet medical needs by focusing on Biology and Modality. Furthermore, we are also looking beyond our foundational Rx focus to create Rx+® healthcare solutions that combine our expertise and knowledge with cutting-edge technology in different fields of external partners. Through these efforts, Astellas stands on the forefront of healthcare change to turn innovative science into VALUE for patients. For more information, please visit our website at . About the Astellas, Pfizer and Merck Collaboration Astellas and Pfizer have a clinical collaboration agreement with Merck to evaluate the combination of Astellas' and Pfizer's PADCEV™ (enfortumab vedotin) and Merck's KEYTRUDA® (pembrolizumab) in patients with previously untreated metastatic urothelial cancer. KEYTRUDA is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the United States and Canada). Astellas Cautionary Notes In this press release, statements made with respect to current plans, estimates, strategies and beliefs and other statements that are not historical facts are forward-looking statements about the future performance of Astellas. These statements are based on management's current assumptions and beliefs in light of the information currently available to it and involve known and unknown risks and uncertainties. A number of factors could cause actual results to differ materially from those discussed in the forward-looking statements. Such factors include, but are not limited to: (i) changes in general economic conditions and in laws and regulations, relating to pharmaceutical markets, (ii) currency exchange rate fluctuations, (iii) delays in new product launches, (iv) the inability of Astellas to market existing and new products effectively, (v) the inability of Astellas to continue to effectively research and develop products accepted by customers in highly competitive markets, and (vi) infringements of Astellas' intellectual property rights by third parties. Information about pharmaceutical products (including products currently in development) which is included in this press release is not intended to constitute an advertisement or medical advice. i Leow JJ, Liu Z, Tan TW, Lee YM, Yeo EK, Chong YL. Optimal Management of Upper Tract Urothelial Carcinoma: Current Perspectives. Onco Targets Ther. 2020;13:1-15. ii Petros FG. Epidemiology, clinical presentation, and evaluation of upper-tract urothelial carcinoma. Transl Androl Urol. 2020;9(4):1794-8. iii International Agency for Research on Cancer. Cancer Today: Bladder Globocan 2022 fact sheet (01-2024). 30-bladder-fact-sheet.pdf (who.int) iv International Agency for Research on Cancer (IARC). Bladder Fact Sheet. Lyon, France. 2022 (02-2024). Available at: 160-china-fact-sheet.pdf (who.int) v National Cancer Institute. What is bladder cancer? . vi American Society of Clinical Oncology. Bladder cancer: introduction (12-2021). . viiNational Cancer Institute. Cancer stat facts: bladder cancer. . viii Challita-Eid PM, Satpayev D, Yang P, et al. Enfortumab vedotin antibody-drug conjugate targeting nectin-4 is a highly potent therapeutic agent in multiple preclinical cancer models. Cancer Res 2016;76(10):3003-13. ix PADCEV [package insert]. Northbrook, IL: Astellas Pharma US, Inc. SOURCE ASTELLAS PHARMA INC.

Initiated submission of a rolling NDA to the FDA for UGN-102; 12-month duration of response data from ENVISION expected to support completion of NDA submission Announced next-generation novel mitomycin-based RTGel formulations for LG-IR-NMIBC and LG-UTUC programs from medac GmbH licensing agreement with potential IP protection until December 2041 JELMYTO® achieved net product revenues of $82.7 million in 2023, an increase of ~28% compared with 2022 Announced signing of a restructured agreement with Pharmakon Advisors that provides more favorable terms and provides UroGen up to an additional $100 million credit facility Conference call and webcast to be held today at 10:00 AM ET PRINCETON, N.J.--(BUSINESS WIRE)-- UroGen Pharma Ltd. (Nasdaq: URGN), a biotech company dedicated to developing and commercializing innovative solutions that treat urothelial and specialty cancers, today announced financial results for the fourth quarter and full year ended December 31, 2023, and provided an overview of recent developments. “In 2023, UroGen achieved important operational and clinical milestones, setting us up for further success in the coming years,” said Liz Barrett, President and Chief Executive Officer of UroGen. “The Phase 3 ATLAS and ENVISION trials both produced meaningful and unprecedented results underscoring the potential of UGN-102 to fundamentally change the way patients with low-grade intermediate-risk non-muscle invasive bladder cancer are treated. We look forward to reporting the 12-month duration of response data from ENVISION in the second quarter of 2024 and to completing submission of an NDA in September of this year. UGN-102 has the potential to address a more than $3 billion market opportunity and, if approved, has the potential to be transformative for our company. JELMYTO continues to show double digit growth with patient and physician adoption expected to continue to increase.” 2023 and Recent Business Highlights: UGN-102 (mitomycin) for intravesical solution: In January 2024, UroGen initiated submission of a rolling New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for UGN-102 as a treatment of low-grade intermediate-risk non-muscle invasive bladder cancer (LG-IR-NMIBC). The first part of the submission was the Chemistry, Manufacturing and Controls (CMC) sections. The FDA indicated that evaluation of duration of complete response at 12-months from the pivotal ENVISION trial will be sufficient to support submission of the NDA. The company plans to complete the submission in September 2024 with a potential FDA decision as early as the first quarter of 2025. Positive top-line data from ATLAS Phase 3 clinical trial highlighting UGN-102 as non-surgical treatment option for LG-IR-NMIBC published in The Journal of Urology. JELMYTO (mitomycin) for pyelocalyceal solution in low-grade upper tract urothelial cancer (LG-UTUC): Generated annual net product revenue of $82.7 million in 2023, compared with $64.4 million in 2022 in representing ~28% annual growth. Patient enrollment forms, new patient starts, and total doses each grew approximately 25% year-over-year. First-time writers, activated sites and repeat accounts also continue to grow. A retrospective study investigated whether patients with higher-volume low-grade disease could achieve disease-free status using partial ablation or biopsy before JELMYTO treatment during initial ureteroscopy. The study found no significant difference in disease-free rates between complete ablation (78.6%), partial ablation (57.6%), or biopsy-only (66.7%) groups during initial ureteroscopy. Tumor size prior to JELMYTO induction also showed no significant impact on disease-free rates. The study aimed to find alternatives to nephroureterectomy for preserving kidney function and to assess JELMYTO's efficacy in managing larger volume disease. Findings from the study were published online in Urologic Oncology: Seminars and Original Investigations online. Next-generation novel mitomycin-based formulation for urothelial cancers In January 2024, UroGen announced a license and supply agreement with medac GmbH to develop a next-generation novel mitomycin-based formulation for urothelial cancers. UGN-103 and UGN-104 combine UroGen’s RTGel® technology with medac’s licensed mitomycin formulation. The agreement and development program potentially allow UroGen to extend the patent protection on its urothelial cancer franchise. medac has intellectual property protection for its mitomycin formulation expected to last until June 2035 and UroGen has pending U.S. patent applications which may provide protection until December 2041. UroGen plans to initiate Phase 3 studies to explore the safety and efficacy of UGN-103 and UGN-104 in LG-IR-NMIBC and LG-UTUC, respectively, in 2024. Up to $100 Million Letter of Credit Facility with Funds Managed by Pharmakon Announced signing of a restructured loan agreement with Pharmakon Advisors providing UroGen additional funding of up to $100 million. Under the terms of the restructured agreement, the interest rate on the previously funded $100 million loan is reduced, and the initiation of the payback period will be delayed following UGN-102 approval. The restructured agreement also includes a credit facility of up to $100 million. As part of the agreement, UroGen is required to draw down on the first tranche of $25 million of the credit facility by September 30, 2024, and will have the option to access as much as an additional $75 million following UGN-102 approval. Fourth Quarter and Full Year 2023 Financial Results JELMYTO Revenue: UroGen reported JELMYTO net product revenues of $23.5 million in the fourth quarter of 2023, compared to $18.1 million for the same period in 2022. Net JELMYTO product revenue for the full year 2023 was $82.7 million, compared to $64.4 million in 2022. Despite strong unit growth, full year 2023 net revenues were impacted by higher than forecast 340B chargebacks and first time estimated Medicare refunds for discarded drug, offset by non-patient purchases. R&D Expense: Research and development expenses for the fourth quarter of 2023 were $11.3 million, including non-cash share-based compensation expense of $0.5 million as compared to $14.5 million, including non-cash share-based compensation expense of $0.6 million, for the same period in 2022. Research and development expenses for the full year 2023 were $45.6 million, including non-cash share-based compensation expense of $1.9 million as compared to $52.9 million, including non-cash share-based compensation expense of $2.6 million, in 2022. SG&A Expense: Selling, general and administrative expenses for the fourth quarter of 2023 were $24.6 million, including non-cash share-based compensation expense of $2.1 million. This compares to $21.6 million, including non-cash share-based compensation expense of $1.8 million, for the same period in 2022. Selling, general and administrative expenses for the full year 2023 were $93.3 million, including non-cash share-based compensation expense of $7.4 million. This compares to $82.8 million, including non-cash share-based compensation expense of $8.0 million, in 2022. Financing on Prepaid Forward Obligation: UroGen reported non-cash financing expense related to the prepaid forward obligation to RTW Investments of $5.5 million in the fourth quarter of 2023, compared to $5.1 million in the same period in 2022. Non-cash financing expense related to the RTW Investments obligation was $21.6 million for the full year 2023, compared to $21.6 million in 2022. The rate applied to cash payments incurred in 2023 is 13% based on global JELMYTO net product sales of $82.7 million in 2023. Interest Expense on Long-Term Debt: Interest expense related to the $100 million term loan facility with funds managed by Pharmakon Advisors was $3.6 million and $14.7 million, respectively for the fourth quarter and full year 2023, compared to $3.2 million and $8.4 million in the same periods in 2022. The higher amount in 2023 was a result of interest expense for four full quarters in 2023, whereas the first and second tranches of the loan were funded in March 2022 and December 2022, respectively. Net Loss: UroGen reported a net loss of $26.0 million or ($0.72) per basic and diluted share in the fourth quarter of 2023 compared with a net loss of $28.9 million or ($1.25) per basic and diluted share in the same period in 2022. Net loss was $102.2 million or ($3.55) per basic and diluted share in the full year 2023 compared with a net loss of $109.8 million or ($4.81) per basic and diluted share in 2022. Cash & Cash Equivalents: As of December 31, 2023, cash, cash equivalents and marketable securities totaled $141.5 million. 2024 Revenue, Operating Expense and RTW Expense Guidance: The Company anticipates full year 2024 net product revenues from JELMYTO to be in the range of $95 to $102 million. Increased discounts related to Medicare refunds for discarded drugs and 340B purchases will further impact net revenues in 2024. The Company also expects full year 2024 operating expenses in the range of $175 to $185 million, including non-cash share-based compensation expense of $6 to $11 million, subject to market conditions. The Company also reiterates anticipated full year 2024 non-cash financing expense related to the prepaid obligation to RTW Investments in the range of $21 to $26 million. Of this amount approximately $12.4 to $13.3 million is expected to be in cash. Conference Call & Webcast Information: Members of UroGen’s management team will host a live conference call and webcast today at 10:00 AM Eastern Time to review UroGen’s financial results and provide a general business update. The live webcast can be accessed by visiting the Investors section of the Company’s website at . Please connect at least 15 minutes prior to the live webcast to ensure adequate time for any software download that may be needed to access the webcast. UROGEN PHARMA LTD. SELECTED CONSOLIDATED BALANCE SHEETS (U.S. dollars in thousands) (Unaudited) December 31, 2023 December 31, 2022 Cash and cash equivalents and marketable securities $ 141,469 $ 99,963 Total assets $ 178,311 $ 135,619 Total liabilities $ 243,523 $ 224,980 Total shareholders' deficit $ (65,212 ) $ (89,361 ) UROGEN PHARMA LTD. CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (U.S. dollars in thousands, except share and per share data) (Unaudited) Three months ended December 31, (Unaudited) Year ended December 31, 2023 2022 2023 2022 Revenue1 $ 23,530 $ 18,092 $ 82,713 $ 64,357 Cost of revenue 2,286 2,263 9,361 7,654 Gross profit 21,244 15,829 73,352 56,703 Operating expenses: Research and development expenses 11,302 14,477 45,614 52,906 Selling, general and administrative expenses 24,551 21,634 93,274 82,838 Total operating expenses 35,853 36,111 138,888 135,744 Operating loss (14,609 ) (20,282 ) (65,536 ) (79,041 ) Financing on prepaid forward obligation (5,505 ) (5,081 ) (21,552 ) (21,559 ) Interest expense on long-term debt (3,586 ) (3,223 ) (14,715 ) (8,438 ) Interest and other income, net 1,538 406 3,479 1,010 Loss before income taxes $ (22,162 ) $ (28,180 ) $ (98,324 ) $ (108,028 ) Income tax expense (3,854 ) (689 ) (3,920 ) (1,775 ) Net loss $ (26,016 ) $ (28,869 ) $ (102,244 ) $ (109,783 ) Net loss per ordinary share basic and diluted $ (0.72 ) $ (1.25 ) $ (3.55 ) $ (4.81 ) Weighted average shares outstanding, basic and diluted 36,153,634 23,088,891 28,834,303 22,806,812 1. 2023 full-year JELMYTO net revenues include gross-to-net unfavorability driven by higher 340B chargebacks and estimated Medicare refunds for discarded drugs, offset by $4.4 million in CREATES Act sales, of which $2.4 million was realized in Q4 2023. About JELMYTO JELMYTO® (mitomycin) for pyelocalyceal solution is a mitomycin-containing reverse thermal gel containing 4 mg mitomycin per mL gel indicated for the treatment of adult patients with LG-UTUC. It is recommended for primary treatment of biopsy-proven LG-UTUC in patients deemed appropriate candidates for renal-sparing therapy. JELMYTO is a viscous liquid when cooled and becomes a semi-solid gel at body temperature. The drug slowly dissolves over four to six hours after instillation and is removed from the urinary tract by normal urine flow and voiding. It is approved for administration in a retrograde manner via ureteral catheter or antegrade through nephrostomy tube. The delivery system allows the initial liquid to coat and conform to the upper urinary tract anatomy. The eventual semisolid gel allows for chemoablative therapy to remain in the collecting system for four to six hours without immediately being diluted or washed away by urine flow. APPROVED USE FOR JELMYTO JELMYTO® is a prescription medicine used to treat adults with a type of cancer of the lining of the upper urinary tract including the kidney called low-grade Upper Tract Urothelial Cancer (LG-UTUC). IMPORTANT SAFETY INFORMATION You should not receive JELMYTO if you have a hole or tear (perforation) of your bladder or upper urinary tract. Before receiving JELMYTO, tell your healthcare provider about all your medical conditions, including if you: are pregnant or plan to become pregnant. JELMYTO can harm your unborn baby. You should not become pregnant during treatment with JELMYTO. Tell your healthcare provider right away if you become pregnant or think you may be pregnant during treatment with JELMYTO. Females who are able to become pregnant: You should use effective birth control (contraception) during treatment with JELMYTO and for 6 months after the last dose. Males being treated with JELMYTO: If you have a female partner who is able to become pregnant, you should use effective birth control (contraception) during treatment with JELMYTO and for 3 months after the last dose. are breastfeeding or plan to breastfeed. It is not known if JELMYTO passes into your breast milk. Do not breastfeed during treatment with JELMYTO and for 1 week after the last dose. Tell your healthcare provider if you take water pills (diuretic). How will I receive JELMYTO? Your healthcare provider will tell you to take a medicine called sodium bicarbonate before each JELMYTO treatment. You will receive your JELMYTO dose from your healthcare provider 1 time a week for 6 weeks. It is important that you receive all 6 doses of JELMYTO according to your healthcare provider’s instructions. If you miss any appointments, call your healthcare provider as soon as possible to reschedule your appointment. Your healthcare provider may recommend up to an additional 11 monthly doses. JELMYTO is given to your kidney through a tube called a catheter. During treatment with JELMYTO, your healthcare provider may tell you to take additional medicines or change how you take your current medicines. After receiving JELMYTO: JELMYTO may cause your urine color to change to a violet to blue color. Avoid contact between your skin and urine for at least 6 hours. To urinate, males and females should sit on a toilet and flush the toilet several times after you use it. After going to the bathroom, wash your hands, your inner thighs, and genital area well with soap and water. Clothing that comes in contact with urine should be washed right away and washed separately from other clothing. JELMYTO may cause serious side effects, including: Swelling and narrowing of the tube that carries urine from the kidney to the bladder (ureteric obstruction). If you develop swelling and narrowing, and to protect your kidney from damage, your healthcare provider may recommend the placement of a small plastic tube (stent) in the ureter to help the kidney drain. Tell your healthcare provider right away if you develop side pain or fever during treatment with JELMYTO. Bone marrow problems. JELMYTO can affect your bone marrow and can cause a decrease in your white blood cell, red blood cell, and platelet counts. Your healthcare provider will do blood tests prior to each treatment to check your blood cell counts during treatment with JELMYTO. Your healthcare provider may need to temporarily or permanently stop JELMYTO if you develop bone marrow problems during treatment with JELMYTO. The most common side effects of JELMYTO include: urinary tract infection, blood in your urine, side pain, nausea, trouble with urination, kidney problems, vomiting, tiredness, stomach (abdomen) pain. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit or call 1‑800‑FDA‑1088. You may also report side effects to UroGen Pharma at 1-855-987-6436. Please see JELMYTO Full Prescribing Information, including the Patient Information, for additional information. About Upper Tract Urothelial Cancer (UTUC) Urothelial cancer is the ninth most common cancer globally and the eighth most lethal neoplasm in men in the U.S. Between five percent and ten percent of primary urothelial cancers originate in the ureter or renal pelvis and are collectively referred to as upper tract urothelial cancers (UTUC). In the U.S., there are approximately 6,000 - 7,000 new or recurrent low-grade UTUC patients annually. Most cases are diagnosed in patients over 70 years old, and these older patients often face comorbidities. There are limited treatment options for UTUC, with the most common being endoscopic surgery or nephroureterectomy (removal of the entire kidney and ureter). These treatments can lead to a high rate of recurrence and relapse. About UGN-102 UGN-102 (mitomycin) for intravesical solution is an innovative drug formulation of mitomycin, currently in Phase 3 development for the treatment of low-grade, intermediate-risk, non-muscle invasive bladder cancer (LG-IR-NMIBC). Utilizing UroGen’s proprietary RTGel® technology, a sustained release, hydrogel-based formulation, UGN-102 is designed to enable longer exposure of bladder tissue to mitomycin, thereby enabling the treatment of tumors by non-surgical means. UGN-102 is delivered to patients using a standard urinary catheter in an outpatient setting. Assuming positive findings from the durability of response endpoint from the ENVISION Phase 3 study, UroGen anticipates completing its NDA submission for UGN-102 in September with a potential FDA decision as early as the first quarter of 2025. About UroGen Pharma Ltd. UroGen is a biotech company dedicated to developing and commercializing innovative solutions that treat urothelial and specialty cancers because patients deserve better options. UroGen has developed RTGel reverse-thermal hydrogel, a proprietary sustained-release, hydrogel-based platform technology that has the potential to improve the therapeutic profiles of existing drugs. UroGen’s sustained release technology is designed to enable longer exposure of the urinary tract tissue to medications, making local therapy a potentially more effective treatment option. Our first product to treat low-grade upper tract urothelial cancer and investigational treatment UGN-102 (mitomycin) for intravesical solution for patients with low-grade non-muscle invasive bladder cancer are designed to ablate tumors by non-surgical means. UroGen is headquartered in Princeton, NJ with operations in Israel. Visit to learn more or follow us on X (Twitter), @UroGenPharma. Forward-Looking Statements This press release contains forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995, including, without limitation, statements regarding: operational and clinical milestones achieved in 2023 will set the Company up for further success in the coming years; the potential of UGN-102 to fundamentally change the way patients with LG-IR-NMIBC are treated; the expected timing for the release of 12-month duration of response data from ENVISION in the second quarter of 2024 and that such data will be sufficient to support the submission of an NDA for UGN-102; the expected timing for completing a submission of an NDA to the FDA for UGN-102 and the potential FDA decision; the potential of UGN-102 to address more than $3 billion in market opportunity and to be transformative to the Company; expectations that JELMYTO patient and physician adoption is expected to continue to increase; the potential of the license and supply agreement with medac GmbH to allow UroGen to extend patent protection on its urothelial cancer franchise; UroGen’s pending U.S. patent applications potentially providing protection for UGN-103 and UGN-104 until December 2041; UroGen’s plans to initiate Phase 3 studies to explore the safety and efficacy of UGN-103 and UGN-104 in 2024; UroGen’s ability to access an additional $75 million under the amended credit facility with Pharmakon Advisors, in addition to the required $25 million draw; UroGen’s 2024 financial guidance; the potential of UroGen’s proprietary RTGel technology to improve therapeutic profiles of existing drugs; and UroGen’s sustained release technology making local delivery potentially more effective as compared to other treatment options. Words and phrases such as “anticipate,” “assume,” “believe,” “expected,” “if,” “indicate,” “look forward to,” “potential,” “will,” or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are subject to a number of risks, uncertainties and assumptions, including, but not limited to: preliminary results may not be indicative of results that may be observed in the future; the timing and success of clinical trials and potential safety and other complications thereof; unforeseen delays that may impact the timing of progressing clinical trials and reporting data; the ability to obtain regulatory approval within the timeframe expected, or at all; the findings from the durability of response endpoint from the ENVISION Phase 3 study may not be positive, and in such event, UroGen’s NDA pathway could be negatively impacted; even if the durability of response endpoint data from the ENVISION Phase 3 study are positive there is no guarantee that the current clinical development plan for UGN-102 will ultimately support submission of an NDA, notwithstanding the current agreement with the FDA; even if an NDA for UGN-102 is accepted by the FDA, there is no guarantee that such NDA will be sufficient to support approval of UGN-102 on the timeframe expected, or at all; UroGen’s ability to access the additional $75 million under the amended credit facility with Pharmakon Advisers (in addition to the required $25 million draw) is subject to certain drawdown conditions; the ability to maintain regulatory approval; the ability to obtain and maintain adequate intellectual property rights and adequately protect and enforce such rights; complications associated with commercialization activities; the labeling for any approved product; competition in UroGen’s industry; the scope, progress and expansion of developing and commercializing UroGen’s product candidates; the size and growth of the market(s) for our product and product candidates and the rate and degree of market acceptance thereof vis-à-vis alternative therapies; UroGen’s ability to attract or retain key management, members of the board of directors and personnel; UroGen’s RTGel technology may not perform as expected; UroGen may not successfully develop and receive regulatory approval of any other product that incorporates RTGel technology; and UroGen’s financial condition and need for additional capital in the future. In light of these risks and uncertainties, and other risks and uncertainties that are described in the Risk Factors section of UroGen’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2023, filed with the SEC on November 14, 2023, and in UroGen’s Annual Report on Form 10-K for the year ended December 31, 2023, being filed with the SEC today (available at ), the events and circumstances discussed in such forward-looking statements may not occur, and UroGen’s actual results could differ materially and adversely from those anticipated or implied thereby. Any forward-looking statements speak only as of the date of this press release and are based on information available to UroGen as of the date of this release.