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sacituzumab govitecan + talazoparib
- Development stage
- Phase 2
- Lead developer
- Massachusetts General Hospital
- Modality
- Cytotoxic ADCs → Antibody-Drug Conjugates (ADCs) → Antibody Conjugates → Antibody-Based Therapeutics, Small Molecules
- Administration
- Intravenous, Oral
01
Overview
Sacituzumab govitecan + talazoparib is a combination therapy being investigated for metastatic triple-negative breast cancer (mTNBC). This combination leverages the synergistic effects of two distinct mechanisms: sacituzumab govitecan (SG), an antibody-drug conjugate that delivers the topoisomerase 1 inhibitor SN-38 to cancer cells expressing TROP-2, and talazoparib, a poly(ADP-ribose) polymerase (PARP) inhibitor. While concurrent administration of these agents caused intolerable myelosuppression, an innovative sequential dosing schedule has shown improved tolerability and preliminary efficacy. The sequential approach involves administering SG on days 1 and 8, followed by talazoparib on days 15-21 of a 21-day cycle, with growth factor prophylaxis required.
- Other names
- SG + talazoparibSG + TZP
02
Targets
PARP1 (Poly (adp-ribose) polymerase 1)Pol II (RNA polymerase II elongation factors)TACSTD2 (Tumor-associated calcium signal transducer 2)
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