Therapy Detail

Therapy Name Talazoparib
Synonyms
Therapy Description

Talzenna (talazoparib) is an inhibitor of PARP1 and PARP2, which prevents the DNA repair of single strand DNA breaks, thus causing the accumulation of DNA strand breaks, genomic instability and apoptosis, and leads to lethality in homologous recombination repair deficient cells (PMID: 28242752). Talzenna (talazoparib) is FDA approved for use in patients with ERBB2 (HER2)-negative breast cancer harboring deleterious or suspected deleterious germline BRCA mutations (FDA.gov).

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Drug Name Trade Name Synonyms Drug Classes Drug Description
Talazoparib Talzenna BMN673 PARP Inhibitor (Pan) 17 Talzenna (talazoparib) is an inhibitor of PARP1 and PARP2, which prevents the DNA repair of single strand DNA breaks, thus causing the accumulation of DNA strand breaks, genomic instability and apoptosis, and leads to lethality in homologous recombination repair deficient cells (PMID: 28242752). Talzenna (talazoparib) is FDA approved for use in patients with ERBB2 (HER2)-negative breast cancer harboring deleterious or suspected deleterious germline BRCA mutations (FDA.gov).

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ATM dec exp breast cancer sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, knockdown of ATM expression sensitized breast cancer cells to treatment with Talzenna (talazoparib) in culture (PMID: 23881923). 23881923
Unknown unknown Advanced Solid Tumor not applicable Talazoparib Preclinical - Cell line xenograft Actionable In a preclinical study, the Talazoparib (BMN-673) selective PARP1/2 inhibitor demonstrated antitumor activity on a variety of cell lines and xenografts with defects in DNA repair (PMID: 23881923). 23881923
ARID1A Q456* colorectal cancer sensitive Talazoparib Preclinical - Cell line xenograft Actionable In a preclinical study, Talazoparib (BMN-673) inhibited colony formation and proliferation of a human colorectal cancer cell line harboring ARID1A Q456* in culture and inhibited tumor formation in colorectal cancer xenografts harboring ARID1A Q456* (PMID: 26069190). 26069190
Unknown unknown lung small cell carcinoma not applicable Talazoparib Phase I Actionable In a Phase I trial, Talazoparib (BMN-673) treatment in patients with lung small cell carcinoma resulted in an objective response rate of 9% (2/23), including two patients with a partial response, and four patients with stable disease for at least 16 weeks (PMID: 28242752). 28242752
IDH1 R132H malignant glioma sensitive Talazoparib Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived glioma cells harboring IDH1 R132H demonstrated increased sensitivity to Talazoparib (BMN-673)-induced growth inhibition in culture (PMID: 28148839). 28148839
IDH1 R132H Advanced Solid Tumor sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, transformed cells over expressing IDH1 R132H demonstrated increased sensitivity to Talazoparib (BMN-673)-induced growth inhibition in culture (PMID: 28148839). 28148839
ARID1A dec exp ovarian cancer sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, knockdown of ARID1A resulted in increased sensitivity to Talazoparib (BMN-673) in ovarian cancer cells in culture (PMID: 26069190). 26069190
IDH1 R132C malignant glioma sensitive Talazoparib Preclinical - Patient cell culture Actionable In a preclinical study, patient-derived glioma cells harboring IDH1 R132C demonstrated increased sensitivity to Talazoparib (BMN-673)-induced growth inhibition in culture (PMID: 28148839). 28148839
IDH1 R132H colon carcinoma sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, colon carcinoma cells over expressing IDH1 R132H demonstrated increased sensitivity to Talazoparib (BMN-673)-induced growth inhibition in culture (PMID: 28148839). 28148839
ARID1A dec exp breast cancer conflicting Talazoparib Preclinical - Cell line xenograft Actionable In a preclinical study, Talazoparib (BMN-673) selectively inhibited growth and induced apoptosis in breast cancer cells with knock-down of ARID1A in culture, and inhibited tumor growth in ARID1A-deficient breast cancer cell line xenograft models (PMID: 26069190). 26069190
ARID1A dec exp breast cancer conflicting Talazoparib Preclinical - Cell culture Actionable In a preclinical study, human mammary epithelial cells with knockdown of ARID1A demonstrated resistance to Talazoparib (BMN673) when compared to parental cells in culture (PMID: 29669295). 29669295
Unknown unknown Ewing sarcoma not applicable Talazoparib Phase I Actionable In a Phase I trial, Talazoparib (BMN-673) treatment in patients with Ewing sarcoma did not result in any objective responses, however, resulted in a clinical benefit rate of 23% (PMID: 28242752). 28242752
PTEN negative Advanced Solid Tumor sensitive Talazoparib Preclinical - Cell culture Actionable In a preclinical study, PTEN-deficient cancer cell lines with DNA repair deficiency demonstrated high sensitivity to the PARP inhibitor, Talazoparib (BMN-673) (PMID: 23881923). 23881923

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Clinical Trial Phase Therapies Title Recruitment Status
NCT01286987 Phase I Talazoparib Study of BMN 673, a PARP Inhibitor, in Patients With Advanced or Recurrent Solid Tumors Completed
NCT03964532 Phase Ib/II Talazoparib Avelumab + Talazoparib TALAVE: Induction Talazoparib Followed by Combination of Talazoparib and Avelumab in Advanced Breast Cancer Recruiting
NCT03148795 Phase II Talazoparib A Study of Talazoparib in Men With DNA Repair Defects and Metastatic Castration-Resistant Prostate Cancer Recruiting
NCT03395197 Phase III Talazoparib Talazoparib + NHT vs. NHT Monotherapy in DDR+ mCRPC (TALAPRO-2) Recruiting
NCT02282345 Phase II Talazoparib Neoadjuvant Talazoparib for Patients With a BRCA Deleterious Mutation Active, not recruiting
NCT01989546 Phase Ib/II Talazoparib Pilot Trial of BMN 673, an Oral PARP Inhibitor, in Patients With Advanced Solid Tumors and Deleterious BRCA Mutations Recruiting
NCT02997163 Phase I Talazoparib An Open-Label Pharmacokinetics and Safety Study of Talazoparib Completed
NCT03499353 Phase II Talazoparib Talazoparib For Neoadjuvant Treatment Of Germline Brca1/2 Mutation Patients With Early Triple-negative Breast Cancer Recruiting
NCT03968406 Phase I Talazoparib Talazoparib and Radiation Therapy in Treating Patients With Locally Recurrent Gynecologic Cancers Not yet recruiting
NCT02286687 Phase II Talazoparib Study of the PARP Inhibitor BMN 673 in Advanced Cancer Patients With Somatic Alterations in BRCA1/2, Mutations/Deletions in PTEN or PTEN Loss, a Homologous Recombination Defect, Mutations/Deletions in Other BRCA Pathway Genes and Germline Mutation in BRCA1/2 (Not Breast or Ovarian Cancer) Recruiting
NCT02034916 Phase II Talazoparib A Phase 2, 2-Stage, 2-Cohort Study of Talazoparib (BMN 673), in Locally Advanced and/or Metastatic Breast Cancer Patients With BRCA Mutation (ABRAZO Study) Completed
NCT02921919 Phase II Talazoparib Open-Label Extension and Safety Study of Talazoparib Recruiting
NCT02997176 Phase I Talazoparib An Open-Label Pharmacokinetics and Safety Study of Talazoparib (MDV3800) Recruiting
NCT01945775 Phase III Gemcitabine Capecitabine Vinorelbine Talazoparib Eribulin A Study Evaluating Talazoparib (BMN 673), a PARP Inhibitor, in Advanced and/or Metastatic Breast Cancer Patients With BRCA Mutation (EMBRACA Study) (EMBRACA) Active, not recruiting
NCT02401347 Phase II Talazoparib Phase II Talazoparib in BRCA1 +BRCA2 Wild-Type &Triple-Neg /HER2-Negative Breast Cancer /SolidTumors Recruiting
NCT03042910 Phase I Talazoparib A Study to Assess the Effects of Talazoparib on Cardiac Repolarization in Patients With Advanced Solid Tumors Completed
NCT03990896 Phase II Talazoparib Evaluation of Talazoparib, a PARP Inhibitor, in Patients With Somatic BRCA Mutant Metastatic Breast Cancer: Genotyping Based Clinical Trial Not yet recruiting
NCT03377556 Phase II Talazoparib Lung-MAP: Talazoparib in Treating Patients With HRRD Positive Recurrent Stage IV Squamous Cell Lung Cancer Recruiting
NCT02537561 Phase I Talazoparib Cisplatin + Gemcitabine Talazoparib in Combination With Gemcitabine and Cisplatin in Patients With Advanced Solid Tumors Withdrawn
NCT02326844 Phase II Talazoparib BMN 673 (Talazoparib), an Oral PARP Inhibitor, in People With Deleterious BRCA1/2 Mutation-Associated Ovarian Cancer Who Have Had Prior PARP Inhibitor Treatment Terminated
NCT02316834 Phase I Talazoparib POSITION: A PilOt Study of InducTion PARP InhibitiON in Ovarian Cancer Active, not recruiting
NCT02567396 Phase I Talazoparib Talazoparib in Treating Patients With Advanced or Metastatic Solid Tumors That Cannot Be Removed by Surgery and Liver or Kidney Dysfunction Withdrawn


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