A Single Arm Phase II Trial of Circulating Tumor DNA-guided Adjuvant Therapy With Elacestrant in Hormone Receptor Positive HER2 Negative Breast Cancers at Risk for Late Recurrence (CATE)

This is a single-arm, phase II study examining elacestrant in the adjuvant treatment of patients with ER+ breast cancer who test positive for circulating tumor DNA (ctDNA) during the screening period of the trial.

Start Date01 Apr 2025

Sponsor / Collaborator

Yale University

[+2]

NCT06201234

/ RecruitingPhase 2

Phase II Study Evaluating the Addition of Elacestrant, an Oral Selective Estrogen Receptor Degrader (SERD), to Standard-of-care Olaparib in Patients with Hormone Receptor (HR)-positive, HER2-negative Locally Advanced or Metastatic Breast Cancer with GBRCA1/2 Mutations

Trial design:
Phase II, prospective, multi-center, randomized, open label, parallel group study in patients with HR-positive, HER2-negative locally advanced or metastatic breast cancer with gBRCA1/2 mutation, with 2:1 randomization into Arm A (olaparib + elacestrant) or arm B (olaparib). Treatment in either arm will be given until disease progression, unacceptable toxicity, withdrawal of patient´s consent to study participation, or end of study.
Trial population:
Patients with HR-positive, HER2-negative locally advanced or metastatic breast cancer with gBRCA1/2 mutation, with an indication for standard-of-care PARP inhibitor therapy and planned treatment with olaparib, an ECOG performance status of 0-2 and life expectancy of > 6 months, with normal bone marrow and kidney functions and no active or newly diagnosed central nervous system (CNS) metastases or symptomatic metastatic visceral disease at risk of life-threatening complications.
Interventions:
Patients randomized to Arm A will receive 600 mg olaparib daily and 400 mg elacestrant daily, while patients randomized to Arm B will receive 600 mg olaparib daily. Blood tests (hematology, biochemistry) will be performed at the beginning of every cycle, and imaging for tumor assessment (chest and abdominopelvic imaging) as well as QoL assessments will be performed every three months and in case of suspicion of progression/end of study.

Start Date13 Dec 2024

Sponsor / Collaborator

GBG Forschungs GmbH

[+1]

NCT06382948

/ RecruitingPhase 3

A Randomized Phase 3, Double-Blind, Placebo-Controlled Study of Elacestrant Plus Everolimus Versus Elacestrant in Patients With ER+/HER2-, ESR1mut Advanced Breast Cancer Progressing to Endocrine Therapy and CDK4/6 Inhibitors

This trial will study a type of advanced breast cancer (ABC) defined as endocrine receptor (ER)-positive/human epidermal growth factor receptor 2(HER2)-negative and estrogen receptor 1 (ESR1)-mutated. Patients will be treated with elacestrant, a compound that acts as a selective estrogen receptor degrader, and everolimus (or placebo), a kinase inhibitor indicated for the treatment of postmenopausal women with advanced hormone receptor-positive, HER2-negative breast cancer.
The main purpose of the study is to analyze the efficacy (to find out how effective a treatment is) of elacestrant plus everolimus therapy in patients who have ER-positive/HER2-negative, ESR1-mutated, ABC progressing to endocrine therapy and cyclin-dependent kinase 4/6 (CDK4/6) inhibitor. The efficacy of elacestrant plus everolimus combination will be determined by assessing the period from elacestrant plus everolimus (or placebo) treatment initiation until to the first occurrence of disease progression, unacceptable toxicity, death, or discontinuation from the study treatment for any other reason, whichever occurs first, defined as progression free survival.
Rigorous eligibility criteria based on specific co-morbidities and clinicopathologic features of their disease have been designed to minimize the risk of patients participating in this study. The anticipated favorable clinical benefits of elacestrant combined with everolimus are projected to outweigh the risks of this treatment. This study will be performed in full compliance with International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) and all applicable local Good Clinical Practice (GCP) and regulations.

Start Date05 Dec 2024

Sponsor / Collaborator

Medica Scientia Innovation Research SL

[+1]

100 Clinical Results associated with Elacestrant hydrochloride

100 Translational Medicine associated with Elacestrant hydrochloride

100 Patents (Medical) associated with Elacestrant hydrochloride

103

Literatures (Medical) associated with Elacestrant hydrochloride

01 May 2025·Molecular Diagnosis & Therapy

Clinical Actionability of Molecular Targets in Multi-Ethnic Breast Cancer Patients: A Retrospective Single-Institutional Study

Article

Author: Naghi, Leah ; Mortimer, Joanne ; Yost, Susan E ; Kang, Irene

BACKGROUND:

Precision oncology is making remarkable advancements in optimizing patient care by personalizing treatments. To date, the US Food and Drug Administration (FDA) has approved poly(ADP-ribose) polymerase inhibitors (PARPi) olaparib (Lynparza, AstraZeneca and Merck) and talazoparib (Talzenna, Pfizer Oncology Together™) for germline or somatic BRCA1/2-mutated metastatic breast cancer (BC) patients, and PI3K inhibitor alpelisib (Piqray, Novartis) plus fulvestrant for patients with hormone receptor-positive human epidermal growth factor receptor 2-negative (HR+HER2-) PIK3CA-mutated advanced BC. In addition, the FDA approved capivasertib (Trucap, AstraZeneca) for HR+HER2- locally advanced or metastatic BC patients with one or more AKT1, PIK3CA, or PTEN alterations. Finally, the FDA recently approved elacestrant (Orserdu, Stemline Therapeutics, Inc.) for postmenopausal patients with ER+ HER2- ESR1-mutated advanced or metastatic BC with disease progression following at least one line of endocrine therapy.

METHODS:

This study presents a single institutional retrospective review of genomic reports of patients with BC. Analysis of genomic reports of 1361 BC sequencing reports was performed for 1010 patients with BC from 2013 to 2023 (23% of patients had multiple reports). Eligible patients had at least one primary or metastatic tumor. Multiple sequencing platforms were used for FFPE specimens including Tempus xT targeted next-generation sequencing (NGS), Foundation One Medicine, HopeSeq, Ashion Analytics GEM ExTra, and Exact Sciences Oncomap. Liquid biopsies were performed by Guardant, Tempus, and Foundation One Medicine. Chart reviews were performed to collect patient characteristics. BRCA1/2-mutated, metastatic BC patients who initiated treatment with olaparib or talazoparib, and PIK3CA-mutated, HR+ metastatic BC patients who initiated treatment with alpelisib were reported. In addition, patients with ESR1 or AKT1/PIK3CA/PTEN mutations were identified. Clinical outcomes, including progression-free survival (PFS) and overall survival (OS) were analyzed for BRCA1/2 and PIK3CA-mutated patients who received PARPi or alpelisib. Survival curves were generated using the Kaplan Meier method.

RESULTS:

A cohort of 1010 BC patients with 1361 genomic reports was identified. A total of 935/1361 (69%) specimens were formalin-fixed paraffin-embedded (FFPE) tumor biopsies and 426/1361 (31%) were liquid biopsies. Receptor status included 65% HR+HER2-, 8% HR+HER2+, 4% HR-HER2+, and 23% TNBC. Racial and ethnic distribution of these patients included 50% non-Hispanic White, 26% Hispanic, 17% Asian, 6% African American, 1% other (Native Hawaiian or Other Pacific Islander, American Indian or Alaska Native, or unknown). Sequencing platforms included 30% Tempus xT, 31% Foundation One, 10% HopeSeq, 20% GEM ExTra, and 9% Exact Sciences. Liquid biopsies included 79% Guardant, 20% Tempus, and 1% Foundation One. Of 1010 patients, the most common mutations were TP53 (44%), PIK3CA (38%), ESR1 (14%), PTEN (12%), CCND1 (11%), FGFR1 (10%), CDH1 (10%), ERBB2 (9%), MYC (9%), FGF3 (8%), GATA3 (8%), FGF19 (8%), FGF4 (7%), ARID1A (6%), RB1 (5%), BRCA2 (5%), MAP3K1 (4%), AKT1 (4%), NF1 (4%), MLL3 (4%), ZNF703 (4%), CDKN2A (4%), BRCA1 (4%), MCL1 (3%), ATM (3%), PALB2 (1%), and CHEK2 (1%). The majority of reports with tumor mutation burden (TMB) results (97%) had low or intermediate TMB. A total of 784 actionable mutations in 1010 patients were reported, including 381/1010 (38%) PIK3CA; 144/1010 (14%) ESR1; 122/1010 (12%) PTEN; 48/1010 (5%) BRCA2; 36/1010 (4%) BRCA1; 41/1010 (4%) AKT1; and 12/1010 (1%) PALB2. Of the 96/1010 (10%) patients with BRCA1, BRCA2, or PALB2 mutations not including variants of uncertain significance (VUS), 33/96 (34.4%) received olaparib and 3/96 (3%) received talazoparib in the metastatic setting, and 28 were eligible for response (one had toxicity, two were lost to follow-up, and two went to hospice). Median PFS was 9.0 months and median OS was 21.8 months for patients receiving PARPi. Of the 381/1010 (38%) patients with PIK3CA mutations, 84/381 (22%) received alpelisib and 41 were eligible for response (22 had toxicity, 13 were discontinued, six were lost to follow-up, and two went to hospice). Median PFS was 7.9 months and median OS was 31.2 months for patients receiving alpelisib. A total of 544/1010 (54%) patients had AKT1, PIK3CA, or PTEN mutations which are now FDA approved for capivasertib in HR+HER2- metastatic BC patients. In addition, 144/1010 (14%) patients had ESR1 mutations which are FDA approved for elacestrant in HR+HER2- metastatic BC patients.

CONCLUSIONS:

In this study, a total of 784 clinically actionable mutations were reported for 1010 patients with genomic sequencing. Of these, 96/1010 (10%) patients had at least one actionable mutation in homologous recombination repair genes (BRCA1, BRCA2, PALB2) and 36/96 (37.5%) patients received PARP inhibitors (33 olaparib and three talazoparib). In addition, 381/1010 (38%) patients had at least one clinically actionable PIK3CA mutation, and 84/381 (22%) received alpelisib. Additionally, 544/1010 (54%) of patients had either AKT1 (41/1010), PIK3CA (381/1010), or PTEN (122/1010) alterations that were FDA approved in November 2023 for capivasertib in the treatment of HR+HER2- metastatic BC (MBC) patients. Furthermore, 144/1010 (14%) patients in this study had at least one ESR1 mutation, a clinically actionable mutation that was FDA approved in January 2023 for elacestrant in the treatment of ER+HER2- MBC patients (44% detected by liquid biopsy). Future studies are needed to determine the efficacy of elacestrant and capivasertib for patients with these mutations, and to tailor strategies for optimal patient quality of life and cancer outcome.

01 Apr 2025·CANCER TREATMENT REVIEWS

Post-progression treatment options after CDK4/6 inhibitors in hormone receptor-positive, HER2-negative metastatic breast cancer

Review

Author: Sahin, Taha Koray ; Aksoy, Sercan ; Guven, Deniz Can ; Rizzo, Alessandro

The combination of cyclin-dependent kinase 4/6 inhibitors (CDK4/6i) and endocrine therapy (ET) is the standard first-line treatment for hormone receptor-positive (HR + ) and HER2-negative metastatic breast cancer (mBC). Despite their efficacy, resistance inevitably develops, necessitating alternative therapeutic strategies post-progression. This review explores current and emerging treatment options following progression on CDK4/6i, focusing on endocrine therapies, targeted therapies, combination approaches, and the continued use of CDK4/6i. Endocrine therapies, including fulvestrant and novel oral selective estrogen receptor degraders (SERDs) like elacestrant, show promise, especially in patients with ESR1 mutations. Targeted therapies such as PI3K/AKT/mTOR inhibitors, exemplified by alpelisib and capivasertib, offer potential by addressing downstream signaling pathways involved in resistance. Additionally, FGFR inhibitors like erdafitinib are under investigation for their role in overcoming specific resistance mechanisms. Combination strategies involving CDK4/6 inhibitors with immune checkpoint inhibitors or other targeted agents are also being explored, with early trials suggesting possible synergistic effects, although further validation is required. Continuation of CDK4/6 inhibitors beyond progression has shown potential benefits in selected patients, but the data are heterogeneous, and further studies are needed to clarify their role. While chemotherapy remains a standard option for patients who progress on these treatments, the goal is to delay its use through the effective utilization of endocrine and targeted therapies. Understanding resistance mechanisms and tailoring treatment to individual patient profiles is crucial for optimizing outcomes. Ongoing clinical trials are expected to provide deeper insights, guiding the development of more effective post-progression therapeutic strategies. This evolving landscape highlights the need for continuous research and individualized patient care to improve survival and quality of life in HR + mBC patients.

01 Apr 2025·CLINICAL CANCER RESEARCH

Elacestrant in Women with Estrogen Receptor–Positive and HER2-Negative Early Breast Cancer: Results from the Preoperative Window-of-Opportunity ELIPSE Trial

Article

Author: Bellet, Meritxell ; Cortadellas, Tomás ; Gonzalez-Farré, Xavier ; Falato, Claudette ; Muñoz-Mateu, Montserrat ; Siso, Christian ; Amillano, Kepa ; Pascual, Tomás ; Bergamino, Milana A. ; Luna, Miguel A. ; Espinosa Guerrero, Alejandra ; Salvador, Fernando ; Cebrecos, Isaac ; Galván, Patricia ; Ferrero-Cafiero, Juan M. ; Sanfeliu, Esther ; Prat, Aleix ; Margelí Vila, Mireia ; Vidal, Maria ; Sanchez-Bayona, Rodrigo ; Pare, Laia

Abstract:

Purpose::

Elacestrant has shown significantly prolonged progression-free survival compared with standard-of-care endocrine therapy in estrogen receptor–positive (ER-positive), HER2-negative metastatic breast cancer, whereas potential benefit in early-stage disease requires further exploration. The SOLTI-ELIPSE window-of-opportunity trial investigated the biological changes induced by a short course of preoperative elacestrant in postmenopausal women with early breast cancer.

Patients and Methods::

Eligible patients with untreated T1c (≥1.5 cm)-T3, N0, ER-positive/HER2-negative breast cancer with locally assessed Ki67 ≥10% received elacestrant at a daily dose of 345 mg for 4 weeks. The primary efficacy endpoint was complete cell cycle arrest, defined as Ki67 ≤2.7%, on day 28.

Results::

Overall, 22 patients were evaluable for the primary endpoint. Elacestrant was associated with a complete cell cycle arrest rate of 27.3% and a statistically significant Ki67 geometric mean change of −52.9% (P = 0.007; 95% confidence interval, −67.4 to −32.1). Notably, the treatment with elacestrant led to a shift toward a more endocrine-sensitive and less proliferative tumor phenotype based on PAM50-based gene signatures. Elacestrant increased the expression of immune-response genes (GZMB, CD4, and CD8A) and suppressed proliferation and estrogen-signaling genes (MKI67, ESR1, and AR). These biological changes were independent of the levels of Ki67 suppression on day 28. The most common adverse events were grade 1 anemia (21.7%), hot flushes (8.7%), constipation (8.7%), and abdominal pain (8.7%). One patient experienced a grade 3 cutaneous rash, leading to treatment discontinuation. No other serious adverse events were reported.

Conclusions::

Preoperative treatment with elacestrant in early breast cancer demonstrated relevant biological and molecular responses and exhibited a manageable safety profile. These findings support further investigation of elacestrant in the early setting.

115

News (Medical) associated with Elacestrant hydrochloride

22 May 2025

·www.einpresswire.com

Menarini Group Presents Updated Data Underscoring the Combinability of Elacestrant (ORSERDU®) in Patients with ER+, HER2- Metastatic Breast Cancer (mBC) at the ASCO 2025 Annual Meeting

Preliminary efficacy analysis from the elacestrant plus everolimus and ribociclib cohorts of the ELEVATE study, along with updated safety data from additional cohorts of elacestrant plus targeted therapy combination arms, will be presented. These data highlight elacestrant’s potential role as an endocrine therapy backbone in combination with various targeted agents for patients with ER+/HER2- mBC. The robust elacestrant clinical development program across wide-ranging studies further solidifies its potential in monotherapy and combination settings, in mBC and in early breast cancer. FLORENCE, Italy and NEW YORK, May 22, 2025 (GLOBE NEWSWIRE) -- The Menarini Group (“Menarini”), a leading international pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc. (“Stemline”), a wholly-owned subsidiary of the Menarini Group, focused on bringing transformational oncology treatments to cancer patients, will present updated preliminary efficacy and safety results from the Phase 1b/2 ELEVATE study in patients with estrogen receptor-positive (ER+), HER2-negative (HER2-) locally advanced or metastatic breast cancer (mBC). The ELEVATE study was designed to evaluate the safety and efficacy of oral-oral combination treatment options to overcome different resistance mechanisms observed in ER+/HER2- mBC and improve patient outcomes. Additionally, various other trial-in-progress updates will be presented, investigating elacestrant’s potential to become an endocrine therapy (ET) backbone across the spectrum of breast cancer. These data will be presented at the 2025 American Society of Clinical Oncology (ASCO) Annual Meeting. The ELEVATE study is comprised of six treatment regimens evaluating elacestrant in combination with CDK4/6 inhibitors (palbociclib, abemaciclib and ribociclib) and with inhibitors of the PI3K/AKT/mTOR pathway (everolimus, alpelisib and capivasertib). ELEVATE results reported at ASCO 2025 (abstract 1070/49) include updated efficacy data which demonstrate favorable preliminary progression-free survival (PFS) from the elacestrant plus ribociclib and the elacestrant plus everolimus cohorts. A recommended phase 2 dose (RP2D) was determined to be elacestrant 345 mg plus ribociclib 400 mg. The RP2D of elacestrant 345 mg plus everolimus 7.5 mg was previously reported. “It is encouraging to see the positive preliminary efficacy and safety results when everolimus and ribocilib, respectively, are combined with elacestrant. These findings are consistent with the promising elacestrant plus abemaciclib cohort data from the same study that was presented last December, which also demonstrated favorable preliminary efficacy and safety in this setting,” said Hope S. Rugo, MD, Director, Women's Cancers Program and Division Chief, Breast Medical Oncology, City of Hope Comprehensive Cancer Center. “As the progression-free survival data and safety data continue to mature across the various cohorts of the ELEVATE study, we are encouraged by elacestrant’s potential to become an endocrine therapy backbone in combination regimens for the treatment of metastatic breast cancer.” Additional data reported separately (abstract 1079/58) provided updated Phase 1b/2 safety results from four cohorts of the ELEVATE study, including elacestrant plus ribociclib, everolimus, alpelisib, and capivasertib. These updated preliminary results show that the combinations are consistent with the known safety profiles of each targeted therapy plus standard of care endocrine therapy. “These data continue to underscore the potential value of elacestrant as a combination partner in the ER+/HER2- metastatic breast cancer treatment landscape,” said Elcin Barker Ergun, CEO of the Menarini Group. “We are also exploring the potential of elacestrant in other patient populations, including our currently enrolling ELEGANT study, which is designed to assess its potential benefit in early breast cancer patients with high risk of recurrence.” In addition, the company will be presenting other data at the ASCO Annual Meeting. See below for a complete list of Menarini Stemline abstracts. Menarini Stemline Abstracts: Presentation Title: Elacestrant (Ela) combinations with ribociclib (Ribo) and everolimus (Eve) in patients (pts) with ER+/HER2- locally advanced or metastatic breast cancer (mBC): Update from ELEVATE, a phase (Ph) 1b/2, open-label, umbrella study. Abstract Number: 1070 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 49 Presenting Author: Hope S. Rugo Presentation Title: Elacestrant combinations in patients (pts) with ER+/HER2- locally advanced or metastatic breast cancer (mBC): Safety update from ELEVATE, a phase (Ph) 1b/2, open-label, umbrella study. Abstract Number: 1079 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 58 Presenting Author: Nancy Chan Presentation Title: ADELA: a double-blind, placebo-controlled, randomized phase 3 trial of Elacestrant (ELA) + everolimus (EVE) versus ELA + placebo (PBO) in ER+/HER2- advanced breast cancer (aBC) patients with ESR1-mutated tumors progressing on endocrine therapy (ET) + CDK4/6i. Abstract Number: TPS1129 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 103b Presenting Author: Antonio Llombart-Cussac Presentation Title: ELCIN: Elacestrant in women and men with CDK4/6 Inhibitor (CDK4/6i)-naïve estrogen receptor-positive (ER+), HER2-negative (HER2-) metastatic breast cancer (mBC): an open-label multicenter phase 2 study. Abstract Number: TPS1127 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 102b Presenting Author: Virginia G. Kaklamani Presentation Title: ELEGANT: Elacestrant versus standard endocrine therapy (ET) in women and men with node-positive, estrogen Receptor-positive (ER+), HER2-negative (HER2-), early breast cancer (eBC) with high risk of recurrence in a global, multicenter, randomized, open-label phase 3 study. Abstract Number: TPS619 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 210a Presenting Author: Aditya Bardia Presentation Title: EORTC-2129-BCG: Elacestrant for treating ER+/HER2- breast cancer patients with ctDNA relapse (TREAT ctDNA) Abstract Number: TPS620 Presentation Date & Time: Monday, June 2, 9:00 AM – 12:00 PM CT Location: Poster Bd 210b Presenting Author: Michail Ignatiadis About The Elacestrant Clinical Development Program Elacestrant is also being investigated in several company-sponsored clinical trials in metastatic breast cancer disease, alone or in combination with other therapies. ELEVATE ( NCT05563220 ) is a phase 1b/2 clinical trial evaluating the safety and efficacy of elacestrant combined with alpelisib, everolimus, capivasertib, palbociclib, ribociclib or abemaciclib. ELECTRA ( NCT05386108 ) is an open-label phase 1b/2, multicenter study evaluating elacestrant in combination with abemaciclib in patients with ER+, HER2- breast cancer. The phase 2 portion evaluates this treatment regimen in patients with brain metastases. ELCIN ( NCT05596409 ) is a phase 2 trial evaluating the efficacy of elacestrant in patients with ER+, HER2- advanced/metastatic breast cancer who received one or two prior hormonal therapies and no prior CDK4/6 inhibitors in the metastatic setting. ADELA ( NCT06382948 ) is a phase 3 randomized, double-blinded trial evaluating elacestrant in combination with everolimus in patients with ER+, HER2- mBC with ESR1-mut tumors. Elacestrant is also being evaluated in additional investigator-led trials, in trials conducted in collaboration with other companies, in metastatic breast cancer as well as in early disease. About ORSERDU (elacestrant) U.S. Indication: ORSERDU (elacestrant), 345 mg tablets, is indicated for the treatment of postmenopausal women or adult men with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative, ESR1 -mutated advanced or metastatic breast cancer with disease progression following at least one line of endocrine therapy. Full prescribing information for the U.S. can be found at www.orserdu.com . Important Safety Information Warning and Precautions Dyslipidemia : Hypercholesterolemia and hypertriglyceridemia occurred in patients taking ORSERDU at an incidence of 30% and 27%, respectively. The incidence of Grade 3 and 4 hypercholesterolemia and hypertriglyceridemia were 0.9% and 2.2%, respectively. Monitor lipid profile prior to starting and periodically while taking ORSERDU. Embryo-Fetal Toxicity : Based on findings in animals and its mechanism of action, ORSERDU can cause fetal harm when administered to a pregnant woman. Advise pregnant women and females of reproductive potential of the potential risk to a fetus. Advise females of reproductive potential to use effective contraception during treatment with ORSERDU and for 1 week after the last dose. Advise male patients with female partners of reproductive potential to use effective contraception during treatment with ORSERDU and for 1 week after the final dose. Adverse Reactions Serious adverse reactions occurred in 12% of patients who received ORSERDU. Serious adverse reactions in >1% of patients who received ORSERDU were musculoskeletal pain (1.7%) and nausea (1.3%). Fatal adverse reactions occurred in 1.7% of patients who received ORSERDU, including cardiac arrest, septic shock, diverticulitis, and unknown cause (one patient each). The most common adverse reactions ( > 10%) , including laboratory abnormalities, of ORSERDU were musculoskeletal pain (41%), nausea (35%), increased cholesterol (30%), increased AST (29%), increased triglycerides (27%), fatigue (26%), decreased hemoglobin (26%), vomiting (19%), increased ALT (17%), decreased sodium (16%), increased creatinine (16%), decreased appetite(15%), diarrhea (13%), headache (12%), constipation (12%), abdominal pain (11%), hot flush (11%), and dyspepsia (10%). Drug interactions Concomitant use with CYP3A4 Inducers and/or inhibitors : Avoid concomitant use of strong or moderate CYP3A4 inhibitors with ORSERDU. Avoid concomitant use of strong or moderate CYP3A4 inducers with ORSERDU. Use in specific populations Lactation : Advise lactating women to not breastfeed during treatment with ORSERDU and for 1 week after the last dose. Hepatic Impairment : Avoid use of ORSERDU in patients with severe hepatic impairment (Child-Pugh C). Reduce the dose of ORSERDU in patients with moderate hepatic impairment (Child-Pugh B). The safety and effectiveness of ORSERDU in pediatric patients have not been established. To report SUSPECTED ADVERSE REACTIONS, contact Stemline Therapeutics, Inc. at 1-877-332-7961 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . About The Menarini Group The Menarini Group is a leading international pharmaceutical and diagnostics company, with a turnover of $4.7 billion and over 17,000 employees. Menarini is focused on therapeutic areas with high unmet needs with products for cardiology, oncology, pneumology, gastroenterology, infectious diseases, diabetology, inflammation, and analgesia. With 18 production sites and 9 Research and Development centers, Menarini’s products are available in 140 countries worldwide. For further information, please visit www.menarini.com . About Stemline Therapeutics Inc. Stemline Therapeutics, Inc. (“Stemline”), a wholly-owned subsidiary of the Menarini Group, is a commercial-stage biopharmaceutical company focused on bringing transformational oncology treatments to patients. Stemline commercializes elacestrant, an oral endocrine therapy indicated for the treatment of postmenopausal women or adult men with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative, ESR1 -mutated advanced or metastatic breast cancer with disease progression following at least one line of endocrine therapy, in the U.S., Europe, and other global regions. Stemline also commercializes tagraxofusp-erzs, a novel targeted therapy directed to CD123, for patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN), an aggressive hematologic cancer, in the United States, Europe, and other global regions. In addition, Stemline commercializes selinexor, an XPO1 inhibitor for multiple myeloma, in Europe. The company is also conducting multiple label-expansion studies with elacestrant and tagraxofusp in breast and hematologic cancer indications, respectively, and has an extensive clinical pipeline of additional drug candidates in various stages of development for a host of solid and hematologic cancers. Media Contacts The Menarini Group Valeria Speroni Cardi Email: pressoffice@menarini.com Stemline Therapeutics, Inc. Cheya Pope Email: media@menarinistemline.com Legal Disclaimer: EIN Presswire provides this news content "as is" without warranty of any kind. We do not accept any responsibility or liability for the accuracy, content, images, videos, licenses, completeness, legality, or reliability of the information contained in this article. If you have any complaints or copyright issues related to this article, kindly contact the author above.

Clinical ResultASCOPhase 2Phase 3

15 May 2025

·www.carricktherapeutics.com

Carrick Therapeutics Announces New Clinical Data Supporting Biomarker-driven Patient Selection for Samuraciclib (CDK7i) in Combination with SERDs in Hormone Receptor Positive Advanced Breast Cancer

Two independent Phase 2 trials demonstrate extended progression-free survival in patients without TP53 mutations or without liver metastases Results presented at 2025 ESMO Breast Cancer Annual Congress BOSTON, May 15, 2025 (GLOBE NEWSWIRE) -- Carrick Therapeutics Inc., an oncology-focused biopharmaceutical company discovering and developing highly differentiated therapies, today announced results from a new analysis of two Phase 2 clinical trials of samuraciclib, a novel investigational oral and first-in-class inhibitor of CDK7, in patients with hormone receptor positive (HR+) advanced breast cancer who had received prior CDK4/6 inhibitor therapy. The MORPHEUS trial evaluated samuraciclib in combination with giredestrant and the Module 2A trial evaluated samuraciclib in combination with fulvestrant. The analysis indicated that study participants with no evidence of a deleterious mutation in the TP53 gene in circulating tumor DNA at baseline or separately, without liver metastases at baseline, experienced extended durations of progression-free survival. This further supports the Company’s biomarker-driven patient selection strategy. Results of the data analysis were presented in a poster session at the 2025 ESMO Breast Cancer Annual Congress held in Munich, Germany. "Based on the results from these two independent studies, we have identified patient populations showing improved progression-free survival, highlighting the potential of samuraciclib in combination with SERDs as an effective new treatment option for these patients. Carrick is further validating these two selection strategies in two additional Phase 2 studies reading out later this year with the intent to advance to Phase 3 in 2026, enriching for one of these two patient groups,” said Tim Pearson, Chief Executive Officer of Carrick Therapeutics. Results of the data analysis indicated improved progression-free survival both for patients with no TP53 mutation, compared to those with mutation, and also for patients without liver metastases, compared to those with liver metastases. “Patients with HR positive, HER2 negative advanced breast cancer are typically treated with a CDK4/6 inhibitor in combination with an endocrine therapy, but unfortunately almost all patients eventually develop resistance to therapy,” said Dr. Stuart McIntosh, Chief Medical Officer of Carrick Therapeutics. “Those patients are in need of effective new targeted therapies that are durable and tolerable in combination with endocrine therapy, including oral SERDs. These results from two independent trials of samuraciclib in combination with a SERD are very encouraging.” Carrick is further evaluating its patient-selection strategy in two ongoing Phase 2 clinical trials. In collaboration with the Menarini Group, Carrick is executing the SUMIT-ELA trial evaluating the efficacy and safety of samuraciclib in combination with the oral SERD elacestrant in patients with HR+, human epidermal growth factor receptor 2 negative (HER2-) locally advanced or metastatic breast cancer who were previously treated with a CDK4/6 inhibitor and aromatase therapy. The randomized SUMIT-BC trial is evaluating the efficacy and safety of samuraciclib in combination with fulvestrant vs. fulvestrant alone in patients with HR+, HER2- locally advanced or metastatic breast cancer who were previously treated with a CDK4/6 inhibitor and aromatase therapy. With the results of the multi-center international SUMIT studies, Carrick will have studied CDK7i plus SERD combination therapy in over 150 patients. About Samuraciclib (CT7001) Samuraciclib is the most advanced cyclin dependent kinase 7 (CDK7) inhibitor in clinical development. Inhibiting CDK7 is a promising therapeutic strategy in cancer, as CDK7 regulates the transcription of cancer-causing genes, promotes uncontrolled cell cycle progression, and promotes resistance to anti-hormone therapy. Samuraciclib, an oral CDK7 inhibitor, has demonstrated a favorable safety profile and encouraging efficacy in early clinical studies in HR+ breast cancer. Because of its ability to inhibit CDK7, samuraciclib has the potential to treat prostate, pancreatic, small cell lung cancer, triple negative breast (TNBC), ovarian and colorectal cancers. Samuraciclib has been granted Fast Track designation from the U.S. Food and Drug Administration (FDA) for use in combination with fulvestrant for the treatment of CDK4/6i resistant HR+, HER2- advanced breast cancer. About Carrick Therapeutics Carrick Therapeutics is an oncology-focused biopharmaceutical company developing highly differentiated novel therapies that address significant unmet needs. The Company’s lead program, samuraciclib, is a novel oral first-in-class inhibitor of CDK7 currently in multiple Phase 2 clinical trials for metastatic HR+ breast cancer. The Company is collaborating with Roche and Menarini Group to evaluate novel combinations of samuraciclib with oral SERD endocrine therapies. Additionally, Carrick is developing CT7439, a novel CDK12/13 inhibitor / Cyclin-K glue-degrader, which is currently in a Phase 1 clinical trial. For more information about Carrick Therapeutics, please visit www.carricktherapeutics.com Carrick Contacts Carrick Therapeutics Jenny Horsfield, Chief Business Officer jenny.horsfield@carricktherapeutics.com Investors and Media Luke Heagle, Real Chemistry lheagle@realchemistry.com Released May 15, 2025

Phase 2Fast TrackClinical ResultPhase 1

20 Mar 2025

·www.globenewswire.com

Menarini Group Announces Collaboration with VisualDx to Aid in Identifying People Who May Have Blastic Plasmacytoid Dendritic Cell Neoplasm (BPDCN)

BPDCN is an aggressive hematologic malignancy with a historically poor prognosisVisualDx is a clinical decision support system used by more than 2,300 hospitals, clinics, and medical schools around the world VisualDx’s system seeks to enhance identification of people who may have BPDCN, leveraging actual images of BPDCN skin lesions and artificial intelligence/machine learning (AI/ML) technologies incorporated into the VisualDx platform FLORENCE, Italy and NEW YORK, March 20, 2025 (GLOBE NEWSWIRE) -- The Menarini Group ("Menarini"), a leading international pharmaceutical and diagnostics company, and Stemline Therapeutics, Inc. ("Stemline"), a wholly-owned subsidiary of the Menarini Group focused on bringing transformational oncology treatments to cancer patients, today announced that they are collaborating with VisualDx to enhance identification of people who may have BPDCN. This is an example of innovative companies working together to bring artificial intelligence/machine learning (AI/ML) tools to help identify BPDCN as a possible early differential diagnosis. The project includes leveraging actual images of BPDCN skin lesions and AI/ML technologies incorporated into the VisualDx platform. The AI model is now live within VisualDx. VisualDx is a physician-led company committed to improving medical decision-making, medical education and research. The VisualDx tool is a clinical decision support system used by more than 2,300 hospitals, clinics, and medical schools around the world. The software includes a comprehensive database of clinical images, submitted through partnerships with learning institutions and others, and vetted by clinicians, to assist healthcare professionals to identify skin concerns across all skin types. Through the AI image search, clinicians can better understand different skin conditions with the goal of supporting patients to get more accurate diagnoses throughout their care journeys. BPDCN is an aggressive orphan hematologic malignancy with a historically poor prognosis (approximately 8.7 to 14 months post diagnosis1) that typically presents skin lesions and can also involve the bone marrow, blood, central nervous system, lymph nodes and viscera. Dermatologists may be the first to recognize the signs of BPDCN and biopsy suspicious lesions. Pathologists can then test for BPDCN by testing for certain biomarkers which are highly expressed on BPDCN cells. Tagraxofusp-erzs is the only approved treatment for patients with BPDCN, and the first and only approved CD123-targeted therapy, in the United States, Europe and other global regions. "BPDCN is a rare and clinically aggressive hematologic malignancy, often presenting with cutaneous lesions. Due to its aggressive nature and the immature cell involvement, the prognosis can be poor if not treated promptly,” said Marina Konopleva, MD, Phd, Professor, Molecular Pharmacology, Director, Leukemia Program and Co-Director, Blood Cancer Institute, at Montefiore Einstein. “Early diagnosis plays a critical role in improving patient outcomes, and emerging AI/ML technologies may offer valuable support in the differential diagnosis and early identification of BPDCN." “BPDCN often first presents as a skin lesion and usually has a poor prognosis. There is a dire need for early diagnosis so that patients may access appropriate treatment options,” said Elcin Barker Ergun, CEO of the Menarini Group. “We are delighted to collaborate with VisualDx to provide healthcare teams with a tool using the latest artificial intelligence/machine learning (AI/ML) technology to help interpret challenging skin lesions.” VisualDx does not store any images uploaded by clinicians taking a picture of their patients’ skin exams. This helps maintain the patient’s privacy. About BPDCNBPDCN, formerly blastic NK-cell lymphoma, is an aggressive, orphan hematologic malignancy, often with cutaneous manifestations, with historically poor outcomes. BPDCN typically presents skin lesions and may also involve bone marrow, blood, central nervous system, lymph nodes and viscera. The BPDCN cell of origin is the plasmacytoid dendritic cell (pDC) precursor. The diagnosis of BPDCN is based on the immunophenotypic diagnostic triad of CD123, CD4, and CD56, as well as other markers. The World Health Organization (WHO) termed this disease “BPDCN” in 2008; previous names included blastic NK cell lymphoma and CD4+/CD56+ hematodermic neoplasm. About ELZONRIS® (Tagraxofusp-erzs)U.S. Indication: ELZONRIS is a prescription medicine used to treat blastic plasmacytoid dendritic cell neoplasm (BPDCN) in adults and pediatric patients 2 years and older. Full prescribing information for the U.S. can be found at www.elzonris.com IMPORTANT SAFETY INFORMATION, ELZONRIS®Boxed WARNING: CAPILLARY LEAK SYNDROME Capillary Leak Syndrome (CLS) which may be life-threatening or fatal, can occur in patients receiving ELZONRIS. Monitor for signs and symptoms of CLS and take actions as recommended. Warnings and Precautions Capillary Leak Syndrome Capillary leak syndrome (CLS), including life-threatening and fatal cases, has been reported among patients treated with ELZONRIS. In patients receiving ELZONRIS in clinical trials, the overall incidence of CLS was 53% (65/122), including Grade 1 or 2 in 43% (52/122) of patients, Grade 3 in 7% (8/122) of patients, Grade 4 in 1% (1/122) of patients, and four fatalities (3%). The median time to onset was 4 days (range - 1 to 46 days), and all but 5 patients experienced an event in Cycle 1. Before initiating therapy with ELZONRIS, ensure that the patient has adequate cardiac function and serum albumin is greater than or equal to 3.2 g/dL. During treatment with ELZONRIS, monitor serum albumin levels prior to the initiation of each dose of ELZONRIS and as indicated clinically thereafter, and assess patients for other signs or symptoms of CLS, including weight gain, new onset or worsening edema, including pulmonary edema, hypotension or hemodynamic instability. Hypersensitivity Reactions ELZONRIS can cause severe hypersensitivity reactions. In patients receiving ELZONRIS in clinical trials, hypersensitivity reactions were reported in 43% (53/122) of patients treated with ELZONRIS and were Grade ≥ 3 in 7% (9/122). Manifestations of hypersensitivity reported in ≥ 5% of patients include rash, pruritus, and stomatitis. Monitor patients for hypersensitivity reactions during treatment with ELZONRIS. Interrupt ELZONRIS infusion and provide supportive care as needed if a hypersensitivity reaction should occur. Hepatotoxicity Treatment with ELZONRIS was associated with elevations in liver enzymes. In patients receiving ELZONRIS in clinical trials, elevations in ALT occurred in 79% (96/122) and elevations in AST occurred in 76% (93/122). Grade 3 ALT elevations were reported in 26% (32/122) of patients. Grade 3 AST elevations were reported in 30% (36/122) and Grade 4 AST elevations were reported in 3% (4/122) of patients. Elevated liver enzymes occurred in the majority of patients in Cycle 1 and were reversible following dose interruption. Monitor alanine aminotransferase (ALT) and aspartate aminotransferase (AST) prior to each infusion with ELZONRIS. Withhold ELZONRIS temporarily if the transaminases rise to greater than 5 times the upper limit of normal and resume treatment upon normalization or when resolved. Adverse Reactions Most common adverse reactions (incidence ≥ 30%) are capillary leak syndrome, nausea, fatigue, pyrexia, peripheral edema, and weight increase. Most common laboratory abnormalities (incidence ≥ 50%) are decreases in albumin, platelets, hemoglobin, calcium, and sodium, and increases in glucose, ALT and AST. Please see full Prescribing Information, including Boxed WARNING.To report SUSPECTED ADVERSE REACTIONS, contact Stemline Therapeutics, Inc. at 1-877-332-7961 or contact the FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. About The Menarini GroupThe Menarini Group is a leading international pharmaceutical and diagnostics company, with a turnover of over $4.7 billion and over 17,000 employees. Menarini is focused on therapeutic areas with high unmet needs with products for cardiology, oncology, pneumology, gastroenterology, infectious diseases, diabetology, inflammation, and analgesia. With 18 production sites and 9 Research and Development centers, Menarini's products are available in 140 countries worldwide. For further information, please visit menarini.com. About Stemline Therapeutics Inc.Stemline Therapeutics, Inc. (“Stemline”), a wholly-owned subsidiary of the Menarini Group, is a commercial-stage biopharmaceutical company focused on bringing transformational oncology treatments to patients. Stemline commercializes elacestrant, an oral endocrine therapy indicated for the treatment of postmenopausal women or adult men with estrogen receptor (ER)-positive, human epidermal growth factor receptor 2 (HER2)-negative, ESR1-mutated advanced or metastatic breast cancer with disease progression following at least one line of endocrine therapy, in the U.S., Europe, and other global regions. Stemline also commercializes tagraxofusp-erzs, a novel targeted therapy directed to CD123, for patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN), an aggressive hematologic cancer, in the United States, Europe, and other global regions. In addition, Stemline commercializes selinexor, an XPO1 inhibitor for multiple myeloma, in Europe. The company is also conducting multiple label-expansion studies with elacestrant and tagraxofusp in breast and hematologic cancer indications, respectively, and has an extensive clinical pipeline of additional drug candidates in various stages of development for a host of solid and hematologic cancers. About VisualDxVisualDx is a company dedicated to improving medical decisions through augmented thinking and timely visualization. It is committed to reducing disparities in medicine and believes technology can bridge gaps in knowledge to bring about more equitable care. VisualDx has become the standard professional resource at more than 2,300 hospitals, clinics and medical schools worldwide by combining problem oriented clinical search with the world's best curated medical image library, plus medical knowledge from experts and sophisticated machine learning algorithms to help with differential diagnosis, variation, treatment, and patient communication. Learn more at www.visualdx.com Media ContactsThe Menarini GroupValeria Speroni CardiEmail: pressoffice@menarini.com Stemline Therapeutics, Inc.Cheya PopeEmail: media@menarinistemline.com 1 Pagano L, et al Haematological. 2013;98 (2): 239-246 and Pemmaraju N Curr Hematol Malig Rep. 2017; 12(6): 510-512

Drug ApprovalClinical Result

100 Deals associated with Elacestrant hydrochloride

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KEGG	Wiki	ATC	Drug Bank
D11671	Elacestrant hydrochloride	-	DB06374

R&D Status

Approved

10 top approved records.

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Indication	Country/Location	Organization	Date
Advanced breast cancer	United Kingdom	Stemline Therapeutics, Inc.	05 Jan 2024
Metastatic breast cancer	United Kingdom	Stemline Therapeutics, Inc.	05 Jan 2024
ER-positive/HER2-negative/ ESR1-mutated breast cancer	United States	Stemline Therapeutics, Inc.	27 Jan 2023

Developing

10 top R&D records.

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Indication	Highest Phase	Country/Location	Organization	Date
Breast Cancer	NDA/BLA	United States	Radius Pharmaceuticals, Inc.	22 Jun 2022
Node-positive breast cancer	Phase 3	United States	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Australia	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Austria	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Canada	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Czechia	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	France	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Germany	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Hungary	Stemline Therapeutics, Inc.	27 Sep 2024
Node-positive breast cancer	Phase 3	Italy	Stemline Therapeutics, Inc.	27 Sep 2024

Clinical Result

Indication

Phase

Evaluation

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Study	Phase	Population	Analyzed Enrollment	Group	Results	Evaluation	Publication Date


NCT03778931 (EMERALD, ESMO_BC2025)	Phase 3	Metastatic breast cancer ESR1	966	elacestrant (ESR1 mutation testing by liquid biopsy using ddPCR)	xjchlprmir(zfsbnbqlos) = hsbnlcddlj cylapaonqy (yxmpcmxdvn, 33.2% - 39.4) View more	Positive	14 May 2025
NCT06492616 (ELEGANT, AACR2025)	Phase 3	Node-positive breast cancer \| Estrogen receptor positive breast cancer ESR1	-	Elacestrant	qqjtbmmwsg(hhttyqvqnz): HR = 0.7 (95% CI, 0.55 - 0.88), P-Value = 0.0018	Positive	29 Apr 2025
				Standard Endocrine Therapy (AI or tamoxifen)
NCT05563220 \| NCT05386108 (ELEVATE, SABCS2024) Manual	Phase 1/2	ER-positive/HER2-negative Breast Cancer HER2 Negative	55	Elacestrant + Abemaciclib (all efficacy-evaluable)	oklzwinupb(lvfjyfehwe) = avmjjojxgz xqxxszluwj (kunqepdizz )	Positive	10 Dec 2024
				Elacestrant + Abemaciclib (ESR1-mut population)	oklzwinupb(lvfjyfehwe) = bobcfuiryg xqxxszluwj (kunqepdizz )
SABCS2024 Manual	Not Applicable	ER-positive/HER2-negative Breast Cancer HER2 Negative	212	Elacestrant	znjycdznng(seabhiutqm) = ebqrydjlfg hpyxtyovvb (ububznfkba, 5.4 - NR)	Positive	10 Dec 2024
				Elacestrant (1-2 lines of prior ET)	znjycdznng(seabhiutqm) = xmjnxqrtlv hpyxtyovvb (ububznfkba, 4.9 - NR)
NCT05563220 (ELEVATE, ESMO2024)	Phase 1/2	ER-positive/HER2-negative Breast Cancer ER+ \| HER2-negative \| ESR1-mut	-	Elacestrant + Everolimus	kikcguxprw(grvkekpjht) = 10 (43) 2 (9) hnsxsyynfb (leggmntjcy ) View more	Positive	16 Sep 2024
				Elacestrant + Palbociclib
NCT05563220 (ELEVATE, ASCO2024) Manual	Phase 1/2	ER-positive/HER2-negative Breast Cancer HER2 Positive	20	Elacestrant + Ribociclibribociclib	ntxscvdpfo(taznasophs) = Most common (≥30%) all-grade (Gr) AEs were decreased neutrophils/neutropenia (n=6, 50%; Gr3+ n=4, 33%) in the elacestrant (86-172 mg) + ribociclib (400 mg) cohorts rjpdjhdhni (bchbfkuixs ) View more	Positive	24 May 2024
				elacestrantelacestrant (258-345 mg) + palbociclib (100 mg) cohorts
NCT05386108 (ELECTRA, ASCO2024) Manual	Phase 1/2	ER-positive/HER2-negative Breast Cancer Second line ER Positive \| HER2 Negative \| ESR1 Mutation	26	Elacestrant + Abemaciclib	mjptamrzaq(gjampdbqbk) = kfmzdjbclb xksrlviqvg (oagbwojmqz ) View more	Positive	24 May 2024
EMERALD study (ASCO2024)	Not Applicable	Hormone receptor positive HER2 negative breast cancer ESR1-mutant	418	Elacestrant	dtwttdotcj(elpisvzdcf) = fqswikgvpm cxmqsqtllu (xqbucitarf, 4.2 - not reached [NR]) View more	Positive	24 May 2024
NCT05386108 (ELECTRA, AACR2024)	Phase 1/2	ER-positive/HER2-negative Breast Cancer	-	Elacestrant + Abemaciclib	pcczczxvyf(cccrsozzyy) = yaapvfttrx nlgatjnzoc (ynsauporxl )	-	05 Apr 2024
NCT03778931 (EMERALD, Pubmed \| J Clin Oncol)	Phase 3	ER-positive/HER2-negative Breast Cancer	478	Elacestrant 345 mg	zptermakll(bwfrzsywvc) = More patients who received elacestrant experienced dyslipidemia hzgciffodm (feyezkblhu ) View more	Positive	01 Apr 2024
				Investigator's choice of ET

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