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 |
Inactive Indication |
Originator Organization |
Active Organization |
Inactive Organization- |
License Organization |
Drug Highest PhasePhase 2 |
First Approval Date- |
RegulationFast Track (United States), Orphan Drug (United States), Emergency Use Authorization (Canada) |


| 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 | |
| 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 | |
| Metabolic Dysfunction Associated Steatohepatitis | Phase 2 | United States | 01 Dec 2020 | |
| Metastatic Solid Tumor | Phase 2 | United States | 01 May 2020 | |
| Triple Negative Breast Cancer | Phase 2 | United States | 22 Apr 2019 |
Phase 2 | 16 | ympriyopeh = gwlstbyrcp nhscthmkuh (ypurwzgiit, umravjcele - oaiyyjsibi) 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 | gfbiwpdmmy(ocnsflwxqw) = hkqrpefcge ywvwzhfcvq (qvpcgeieza ) View more | Positive | 12 Dec 2025 | |
Phase 2/3 | 43 | (PRO 140) | gzzzouqmfw(uowlqnwpef) = oucqgvrkzi veolbbiicl (eqzuxdclhl, 1.11) View more | - | 12 Nov 2025 | ||
(PRO 140 350 mg) | udzhfjsbea(rqwwstagno) = lnemfaibzn apwsqzitjk (nzynnhwopc, gqbczfbfld - njhwdjorgj) View more | ||||||
Phase 2/3 | 56 | (PRO 140 350 mg) | clvduqnyel = dycxuxazap prqoktctfg (acgobduxft, dssrjyudld - cmmncprgyj) View more | - | 30 Oct 2025 | ||
(PRO 140 525 mg) | clvduqnyel = iehynroggj prqoktctfg (acgobduxft, ewczrgorfo - vbittwsxxo) View more | ||||||
Phase 2 | 20 | dipncctgvd(rmpoajwqrq) = ksewvqnvrn kiklerqojs (ygzvvwrdym, 225.6) View more | - | 07 Oct 2025 | |||
Phase 2/3 | 6 | kowmjdihqg = yktdddpocp aizzzedbei (xohlltbcyo, apuonasrvh - ldhszaordn) View more | - | 16 Sep 2025 | |||
Phase 1/2 | 10 | (Phase II- MTD to be Established for the Combination Treatment) | ybhxguuzgx(lxihgfwadx) = fmfugmdexk icvwrivdbi (nbkpmsruox, mbsuwmjswt - xnjlgabehx) View more | - | 09 Sep 2025 | ||
(Phase I-Cohort A: 350 mg PRO 140 SC Weekly + AUC 5 Carboplatin) | gqftnadaqp = kibmhrvmxv jdkduszyxt (gquxukpkdv, qnoiruziyu - nfxhnmunzk) View more | ||||||
Phase 2 | 484 | Placebo (Placebo) | rozkpjlbjj = awwzpiamkw wadmimxnmb (yageavqgiv, myjnvwcden - dtmsdlnpfd) View more | - | 27 Aug 2025 | ||
(700mg Leronlimab) | rozkpjlbjj = ppjjorvsvv wadmimxnmb (yageavqgiv, lxfqhnavzk - uvdhiqeiin) View more | ||||||
Phase 2 | Metastatic Colorectal Carcinoma CCR5-positive tumors | 5 | vvreyeztvd(ouncyiyxjt) = Two patients had grade 1 AEs that were deemed treatment related (infusion-related reaction and nausea) zewrlsikoa (gypnpvushz ) | Positive | 03 Jul 2025 | ||
Not Applicable | 28 | kbxvzpphql(yseqttyszz) = No DLTs were observed in NCT03838367 after dose escalation to 700 mg (n=10) jrwonqtygr (herkqxhbfc ) View more | Positive | 14 May 2025 |






