Retifanlimab

Drug

Also known as: retifanlimab-dlwr, Zynyz

Drug Profile

Retifanlimab-dlwr is marketed as ZYNYZ, a PD-1-blocking monoclonal antibody for specific anal canal squamous cell carcinoma settings and for Merkel cell carcinoma. The label describes blockade of PD-1 interaction with PD-L1/PD-L2 to potentiate T-cell activity. U.S. initial approval was in 2023, with 2025 label updates including SCAC indications.

Drug Class
Programmed death receptor-1 (PD-1)-blocking monoclonal antibody
Approval Status
FDA approved (Initial U.S. Approval: 2023; updated indications in 2025)
Mechanism of Action
Binds PD-1 receptor, blocks interaction with PD-L1 and PD-L2, and potentiates T-cell activity.
Brand Names
  • ZYNYZ
Indications
  • \In combination with carboplatin and paclitaxel for first-line treatment of adults with inoperable locally recurrent or metastatic SCAC\
  • \Single-agent treatment of adults with locally recurrent or metastatic SCAC with progression on or intolerance to platinum-based chemotherapy\
  • \Treatment of adults with metastatic or recurrent locally advanced Merkel cell carcinoma\

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Related Clinical Trials

NCT ID Title Status Phase
NCT07772245

Trial of Retifanlimab With Trastuzumab and Pertuzumab Combination in HER2-Addicted Breast Cancer

NOT_YET_RECRUITING PHASE2
NCT07765836

Vilastobart+Retifanlimab in BRCA or PALB2 Deficient PC

NOT_YET_RECRUITING PHASE2
NCT07677579

NIMBLE-CRC: NeoImmunoModulation Before Leveraging Excision in Colorectal Rectal Cancer

NOT_YET_RECRUITING PHASE2
NCT07468136

Retifanlimab With or Without Difluoromethylornithine for the Treatment of Progressive High Grade Gliomas

RECRUITING PHASE1/PHASE2
NCT07425054

ctHPVDNA Response-Adapted Chemoradiation +/- Retifanlimab Treatment in Locally-Advanced Anal Cancer

RECRUITING PHASE2
NCT07219576

Retifanlimab and Ruxolitinib In Solid Malignancies

RECRUITING PHASE1/PHASE2
NCT06959537

A Phase Ib Study of Novel Combination (New) of Low Dose Oral CyclophoSphamide (s) to Potentiate Axatilimab (A) + Retifanlimab (R) in Treating Metastatic Triple Negative Breast Cancer (TNBC)

RECRUITING PHASE1
NCT06939036

Study of 225Ac-SS0110 in Subjects With ES-SCLC or MCC (SANTANA-225 )

TERMINATED PHASE1/PHASE2
NCT06910137

An Early Access Program Guideline to Provide Access to Retifanlimab (INCMGA00012) Together With Carboplatin and Paclitaxel for Squamous Carcinoma of the Anal Canal (SCAC)

AVAILABLE
NCT06896188

9-ING-41 Combined With Retifanlimab, Plus Modified FOLFIRINOX for Patients With Advanced Pancreatic Adenocarcinoma (RiLEY)

RECRUITING PHASE1