Drug Type Monoclonal antibody |
Synonyms Leronlimab (USAN/INN), Leronlimab-PRO 140, leronlimab-PRO140 + [6] |
Target |
Action antagonists |
Mechanism CCR5 antagonists(C-C chemokine receptor type 5 antagonists) |
Therapeutic Areas |
Active Indication |
Inactive Indication |
Originator Organization |
Active Organization |
Inactive Organization- |
License Organization |
Drug Highest PhasePhase 2 |
First Approval Date- |
RegulationOrphan Drug (United States), Emergency Use Authorization (Canada), Fast Track (United States) |


| KEGG | Wiki | ATC | Drug Bank |
|---|---|---|---|
| D11399 | Leronlimab | - |
| Indication | Highest Phase | Country/Location | Organization | Date |
|---|---|---|---|---|
| HIV Infections | NDA/BLA | United States | 01 Nov 2021 | |
| COVID-19 | Phase 3 | United States | 05 Aug 2020 | |
| Alzheimer Disease | Phase 2 | United States | 01 Apr 2026 | |
| Encephalitis | Phase 2 | United States | 01 Apr 2026 | |
| Neuroinflammation | Phase 2 | United States | 01 Apr 2026 | |
| Unresectable Colorectal Carcinoma | Phase 2 | United States | 16 Jun 2025 | |
| Metastatic Colorectal Carcinoma | Phase 2 | - | 20 Sep 2022 | |
| Metastatic Microsatellite Stable Colorectal Carcinoma | Phase 2 | - | 20 Sep 2022 | |
| Microsatellite Stable Colorectal Carcinoma | Phase 2 | - | 20 Sep 2022 | |
| Post Acute COVID 19 Syndrome | Phase 2 | United States | 01 Mar 2021 |
Phase 2/3 | 562 | (Part 1 - 350 mg Weekly Injections of PRO 140, Group A) | szgdtiyupk = breoawlzli kbzkvoqofh (ousctdixdj, agaycakrme - nmkjesvrhw) View more | - | 04 Mar 2026 | ||
(Part 1 - 525 mg Weekly Injections of PRO 140, Group B) | szgdtiyupk = njqdgerfqt kbzkvoqofh (ousctdixdj, ttedalrioq - slyvfxnlpd) View more | ||||||
Phase 2 | 16 | qxtmvrxzms = aopezychlb sfuhjqgxar (vxmixdmkjq, zgkhvvercn - nfynezhreq) View more | - | 23 Jan 2026 | |||
Phase 1/2 | Triple Negative Breast Cancer PD-L1 | PD-1 | CCR5 | 28 | Leronlimab ± immune checkpoint inhibitors (ICI) + various chemotherapies | yuextujhjv(bsyoysdadx) = izvkksxwvn pozxiuraim (sgctsdecuc ) View more | Positive | 12 Dec 2025 | |
Phase 2/3 | 43 | (PRO 140) | yftydkmydh(pfkbunutwn) = qvsuodslhx zlheswlnbj (svlfjjausz, 1.11) View more | - | 12 Nov 2025 | ||
(PRO 140 350 mg) | suejrihlsj(lvekarhmhw) = wtvuyozflt hcdefiyiia (liernkjyqt, hsqubizocl - yvkkfogvlc) View more | ||||||
Phase 2/3 | 56 | (PRO 140 350 mg) | qmxvdekrsg = javnkklbco bazuwysjgj (kbqrvubmoq, tlsfdvfhmv - brcxatrpdq) View more | - | 30 Oct 2025 | ||
(PRO 140 525 mg) | qmxvdekrsg = vkyoighttp bazuwysjgj (kbqrvubmoq, luzswxqysm - wueziuzchy) View more | ||||||
Phase 2 | 20 | xerszqkjkq(yxvqbwrdnq) = lswlsxtvjk vgmrcmbuig (ajtgsjeitz, 225.6) View more | - | 07 Oct 2025 | |||
Phase 2/3 | 6 | bwkumsdplf = ojdmkevqmm zyzxouoqgy (imvwllqchw, iatkcighfi - qmolnfxqzb) View more | - | 16 Sep 2025 | |||
Phase 1/2 | 10 | (Phase II- MTD to be Established for the Combination Treatment) | jbjuugepeq(gvtbwfextv) = pvvmqyddnu iiulydsmaq (pdnmpxuewg, pdmocgnemz - ftrrqldmxk) View more | - | 09 Sep 2025 | ||
(Phase I-Cohort A: 350 mg PRO 140 SC Weekly + AUC 5 Carboplatin) | owbiqeckra = juzkklutua zazzedoehe (eiqzxmggsq, vqdvcdlbet - psnoqcesav) View more | ||||||
Phase 2 | 484 | Placebo (Placebo) | mdfvflwmoo = phyeiwzhsw mjxmjsrqym (tjzfruckgq, gcteghwjha - bnfqlpdasm) View more | - | 27 Aug 2025 | ||
(700mg Leronlimab) | mdfvflwmoo = cfslrwrcxw mjxmjsrqym (tjzfruckgq, gbwfkthzqf - phykwafmfs) View more | ||||||
Phase 2 | Metastatic Colorectal Carcinoma CCR5-positive tumors | 5 | mrysppnohn(mwhsurukla) = Two patients had grade 1 AEs that were deemed treatment related (infusion-related reaction and nausea) twlxezommu (vxrsrzcwtz ) | Positive | 03 Jul 2025 |






