Drugs / Talazoparib
last change Jul 2026 re-read 2 minutes ago

Talazoparib

Small molecule targets PARP1, PARP2 via inhibition

Developed for
triple-negative breast carcinoma · breast cancer · cancer · metastatic malignant neoplasm · BRCA1-related cancer predisposition · castration-resistant prostate carcinoma · BRCA2-related cancer predisposition · metastatic prostate carcinoma
+77 more · ovarian carcinoma · acute myeloid leukemia · non-small cell lung carcinoma · ovarian cancer · prostate cancer · female breast carcinoma · small cell lung carcinoma · breast neoplasm · endometrial cancer · fallopian tube carcinoma · hormone receptor-positive breast cancer · colorectal cancer · gastric carcinoma · head and neck squamous cell carcinoma · HER2 positive breast carcinoma · Her2-receptor negative breast cancer · malignant mesothelioma · neoplasm · ovarian serous adenocarcinoma · pancreatic adenocarcinoma · primary peritoneal carcinoma · primary peritoneal serous adenocarcinoma · prostate adenocarcinoma · renal cell carcinoma · urothelial carcinoma · acquired polycythemia vera · adrenal gland pheochromocytoma · breast adenocarcinoma · central nervous system cancer · cervical carcinoma · childhood malignant neoplasm · chronic lymphocytic leukemia/small lymphocytic lymphoma · chronic myelomonocytic leukemia · clear cell renal carcinoma · colorectal adenocarcinoma · digestive system cancer · endometrial carcinoma · essential thrombocythemia · estrogen-receptor positive breast cancer · Ewing sarcoma · Ewing sarcoma/peripheral primitive neuroectodermal tumor · fallopian tube cancer · fallopian tube serous adenocarcinoma · gastroesophageal junction adenocarcinoma · glioblastoma · hematopoietic and lymphoid system neoplasm · high grade malignant neoplasm · hormone-resistant prostate carcinoma · invasive breast carcinoma · leukemia · malignant epithelial tumor of ovary · malignant pancreatic neoplasm · mantle cell lymphoma · metastatic melanoma · myelodysplastic syndrome · myelofibrosis · neuroendocrine neoplasm · non-Hodgkin lymphoma · non-small cell squamous lung carcinoma · pancreatic ductal adenocarcinoma · peritoneum cancer · plasma cell myeloma · primary myelofibrosis · prostate carcinoma · refractory malignant neoplasm · squamous cell carcinoma · uterine adnexa cancer · uterine corpus cancer · vaginal carcinoma · hepatoblastoma · malignant germ cell tumor · neuroblastoma · osteosarcoma · peripheral primitive neuroectodermal tumor · rhabdoid tumor · rhabdomyosarcoma · Wilms tumor
Investigated by
Pfizer · National Cancer Institute (NCI) · Medivation, Inc. · M.D. Anderson Cancer Center · Genentech, Inc. · Astellas Pharma Inc
+98 more · BioMarin Pharmaceutical · Dana-Farber Cancer Institute · Eli Lilly and Company · Massachusetts General Hospital · Memorial Sloan Kettering Cancer Center · Peter MacCallum Cancer Centre, Australia · AstraZeneca · Bayer · Boehringer Ingelheim · Bristol-Myers Squibb · Calithera Biosciences, Inc · Foundation Medicine · Jonsson Comprehensive Cancer Center · Merck Sharp & Dohme LLC · Myriad Genetic Laboratories, Inc. · Novartis · QuantumLeap Healthcare Collaborative · Roswell Park Cancer Institute · SWOG Cancer Research Network · Translational Research in Oncology · Zenith Epigenetics · Acrotech Biopharma Inc. · Alexander B Olawaiye, MD · Alliance Foundation Trials, LLC. · American Society of Clinical Oncology · Amgen · Artios Pharma Ltd · Astex Pharmaceuticals, Inc. · BioGene Pharmaceutical Ltd. · Brown University · Bryan Schneider, MD · Cancer Research Malaysia · Case Comprehensive Cancer Center · Celcuity Inc · Center Trials & Treatment · Centre Francois Baclesse · City of Hope Medical Center · Clovis Oncology - Pharma and · Dutch Cancer Society · EMD Serono · Eisai Inc. · Emory University · Epizyme, Inc. · Erasmus Medical Center · Fondazione per la Medicina Personalizzata · Fox Chase Cancer Center · Fundacion Oncosur · Gateway for Cancer Research · Georgetown University · German Cancer Research Center · Gilead Sciences · GlaxoSmithKline · Hospices Civils de Lyon · Hospital Sultan Ismail · Incyte Corporation · Indiana University · Ipsen · Janssen, LP · Kari Wisinski · Kathy Miller · Leiden University Medical Center · Lifespan · MedSIR · Melinda Telli · Merck Institute for Therapeutic Research · Mylin A. Torres, MD · National University Hospital, Singapore · Nektar Therapeutics · Newsoara Biopharma Co., Ltd. · Norman J. Lacayo · Oslo University Hospital · Pamela Munster · Pantai Hospital Kuala Lumpur · Prostate Cancer Foundation · all 104 on the full record

Regulatory milestones approvals, filings & regulatory actions · 8 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Label expansions (6) US (FDA) TALZENNA 2019-09-24 – 2025-06-12 fda.gov
Approved EU (EMA) Talzenna 2019-06-20 europa.eu
Approved US (FDA) TALZENNA 2018-10-16 fda.gov

Trials 104 · started per year

today
US approved 2018
EU approved 2019
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201020112012201320142015201620172018201920202021202220232024202520262027
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT02316834 Jun 2015 → Jan 2022 fallopian tube serous adenocarcinoma, ovarian serous adenocarcinoma, primary peritoneal serous adenocarcinoma M.D. Anderson Cancer Center Completed No outcome recorded
Phase 131 trials
Phase 1 NCT06218628 Apr 2024 → Aug 2029 expected acquired polycythemia vera, chronic myelomonocytic leukemia, essential thrombocythemia, myelofibrosis +1 Fox Chase Cancer Center Recruiting No outcome recorded
Phase 1 NCT05101551 Feb 2023 → Apr 2027 expected acute myeloid leukemia Norman J. Lacayo Recruiting No outcome recorded
Phase 1 NCT03426254 Nov 2022 → Dec 2023 breast neoplasm, cancer Center Trials & Treatment Withdrawn No outcome recorded
Phase 1 NCT05425862 Oct 2022 → Jul 2024 castration-resistant prostate carcinoma Peter MacCallum Cancer Centre, Australia Suspended No outcome recorded
Phase 1 NCT05053854 Dec 2021 → Jun 2029 expected neuroendocrine neoplasm Peter MacCallum Cancer Centre, Australia Recruiting No outcome recorded
Phase 1 NCT04991480 Sep 2021 → Dec 2025 breast cancer, metastatic malignant neoplasm Artios Pharma Ltd Completed No outcome recorded
Phase 1 NCT04846478 Jun 2021 → Sep 2025 overdue castration-resistant prostate carcinoma, metastatic prostate carcinoma Dana-Farber Cancer Institute Active not recruiting No outcome recorded
Phase 1 NCT04511039 Jun 2021 → Sep 2028 expected colorectal adenocarcinoma, gastroesophageal junction adenocarcinoma Roswell Park Cancer Institute Recruiting No outcome recorded
Phase 1 NCT04598321 Mar 2021 → Nov 2022 BRCA1-related cancer predisposition, BRCA2-related cancer predisposition, fallopian tube carcinoma, ovarian carcinoma +1 Brown University Terminated No outcome recorded
Phase 1 NCT04703920 Mar 2021 → Dec 2024 breast cancer, castration-resistant prostate carcinoma, ovarian carcinoma, pancreatic adenocarcinoma University of Michigan Rogel Cancer Center Completed No outcome recorded
Phase 1/216 trials
Phase 1/2 NCT05319249 Jun 2024 → Jun 2028 expected acute myeloid leukemia German Cancer Research Center Not yet recruiting No outcome recorded
Phase 1/2 NCT04486352 Oct 2021 → Oct 2026 expected endometrial cancer Alliance Foundation Trials, LLC. Recruiting No outcome recorded
Phase 1/2 NCT05035745 Mar 2021 → Nov 2027 expected refractory malignant neoplasm, triple-negative breast carcinoma National University Hospital, Singapore Recruiting No outcome recorded
Phase 1/2 NCT04497116 Jul 2020 → Jun 2025 neoplasm Repare Therapeutics Completed No outcome recorded
Phase 1/2 NCT04337970 Apr 2020 → May 2025 renal cell carcinoma Memorial Sloan Kettering Cancer Center Completed No outcome recorded
Phase 1/2 NCT04052204 Dec 2019 → Sep 2020 castration-resistant prostate carcinoma, head and neck squamous cell carcinoma Pfizer Terminated No outcome recorded
Phase 1/2 NCT04039230 Oct 2019 → Jan 2027 expected breast cancer Massachusetts General Hospital Active not recruiting No outcome recorded
Phase 1/2 NCT04019327 Jul 2019 → Dec 2025 castration-resistant prostate carcinoma, metastatic prostate carcinoma, prostate adenocarcinoma Memorial Sloan Kettering Cancer Center Completed No outcome recorded
Phase 1/2 NCT03875313 May 2019 → Jul 2020 clear cell renal carcinoma, colorectal cancer, triple-negative breast carcinoma Calithera Biosciences, Inc Terminated No outcome recorded
Phase 1/2 NCT03911973 Apr 2019 → Jul 2024 overdue triple-negative breast carcinoma Kari Wisinski Active not recruiting No outcome recorded
Phase 249 trials
Phase 2 NCT05873192 Jun 2025 → Dec 2026 expected prostate cancer M.D. Anderson Cancer Center Recruiting No outcome recorded
Phase 2 NCT06762808 May → Aug 2025 squamous cell carcinoma M.D. Anderson Cancer Center Withdrawn No outcome recorded
Phase 2 NCT06582628 Jul 2024 → Jan 2026 overdue metastatic prostate carcinoma Fundacion Oncosur Recruiting No outcome recorded
Phase 2 NCT05826964 Jun 2023 → Jul 2026 overdue Her2-receptor negative breast cancer, estrogen-receptor positive breast cancer University of Miami Active not recruiting No outcome recorded
Phase 2 NCT05071937 Apr 2023 → Nov 2033 expected fallopian tube cancer, ovarian cancer, peritoneum cancer Alexander B Olawaiye, MD Recruiting No outcome recorded
Phase 2 NCT04756765 Feb 2023 → Dec 2024 breast cancer Stanford University Withdrawn No outcome recorded
Phase 2 NCT05327010 Nov 2022 → Dec 2026 expected metastatic malignant neoplasm National Cancer Institute (NCI) Recruiting No outcome recorded
Phase 2 NCT05725200 Sep 2022 → Dec 2038 expected colorectal cancer Oslo University Hospital Recruiting No outcome recorded
Phase 2 NCT05142241 Jul 2022 → Sep 2025 overdue adrenal gland pheochromocytoma, cancer, hematopoietic and lymphoid system neoplasm National Cancer Institute (NCI) Active not recruiting No outcome recorded
Phase 2 NCT05097599 Apr 2022 → Jun 2024 cancer Strata Oncology Terminated No outcome recorded
Phase 35 trials
Phase 3 NCT05059522 Sep 2021 → Dec 2026 expected non-small cell lung carcinoma, ovarian cancer, urothelial carcinoma Pfizer Active not recruiting No outcome recorded
Phase 3 NCT04821622 May 2021 → Feb 2026 overdue prostate cancer Pfizer Active not recruiting No outcome recorded
Phase 3 NCT03642132 Jul 2018 → Dec 2021 ovarian cancer Pfizer Terminated No outcome recorded
Phase 3 NCT03395197 Dec 2017 → Oct 2022 overdue castration-resistant prostate carcinoma Pfizer Active not recruiting No outcome recorded
Phase 3 NCT01945775 Oct 2013 → Sep 2017 BRCA1-related cancer predisposition, BRCA2-related cancer predisposition, breast cancer Pfizer Completed No outcome recorded
Phase not applicable1 trial
NCT04801966 Sep 2021 → Dec 2022 cancer Peter MacCallum Cancer Centre, Australia Terminated No outcome recorded
Phase not stated1 trial
NCT05650476 prostate carcinoma Pfizer Available No outcome recorded
Also used as a comparator or background therapy in 3 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT02392793 Comparator Mar 2015 → Feb 2019 childhood malignant neoplasm St. Jude Children's Research Hospital Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT04901702 Comparator Jun 2021 → Dec 2026 expected Ewing sarcoma, Wilms tumor, hepatoblastoma, malignant germ cell tumor +5 St. Jude Children's Research Hospital Recruiting No outcome recorded
Phase 21 trial
Phase 2 NCT06844383 Comparator May 2026 → Mar 2029 expected castration-resistant prostate carcinoma, prostate adenocarcinoma Prostate Cancer Clinical Trials Consortium Recruiting No outcome recorded

Press releases naming this drug 15 releases

DateIssuerRelease
2026-07-22 Pfizer FDA Grants Priority Review for Pfizer’s TALZENNA Plus XTANDI for the Treatment of Metastatic Prostate Cancer pfizer.com
2026-05-30 Pfizer TALZENNA Plus XTANDI Improves Radiographic Progression-Free Survival by More Than 50% in Metastatic Prostate Cancer pfizer.com
2026-03-19 Pfizer TALZENNA Plus XTANDI Significantly Improves Radiographic Progression-Free Survival in Metastatic Prostate Cancer pfizer.com
2025-02-13 Pfizer Pfizer’s TALZENNA® in Combination with XTANDI® Improves Survival Outcomes in Metastatic Castration Resistant Prostate Cancer pfizer.com
2024-10-10 Pfizer Pfizer’s TALZENNA® in Combination with XTANDI® Prolongs Overall Survival in Phase 3 TALAPRO-2 Trial pfizer.com
2024-01-08 Pfizer European Commission Approves Pfizer’s TALZENNA® in Combination with XTANDI® for Adult Patients with Metastatic Castration-Resistant Prostate Cancer pfizer.com
2023-06-20 Pfizer Pfizer’s TALZENNA® in Combination with XTANDI® Receives U.S. FDA Approval pfizer.com
2023-02-16 Pfizer Pfizer Announces Positive TALZENNA® and XTANDI® Combination Data from Phase 3 TALAPRO-2 Study pfizer.com
2021-06-23 Pfizer First Participant Dosed in Pfizer’s Pivotal Phase 3 TALAPRO-3 Combination Study of Talazoparib and Enzalutamide in Metastatic Castration-Sensitive Prostate Cancer (mCSPC) pfizer.com
2019-06-21 Pfizer European Commission Approves TALZENNA® (talazoparib) for Patients with Inherited (Germline) BRCA-Mutated Locally Advanced or Metastatic Breast Cancer pfizer.com
2019-04-26 Pfizer Pfizer Receives Positive CHMP Opinion for TALZENNA® (talazoparib) for Patients with Inherited (Germline) BRCA-Mutated Locally Advanced or Metastatic Breast Cancer pfizer.com
2018-10-16 Pfizer U.S. FDA Approves TALZENNA® (talazoparib) pfizer.com

Evidence & citations 16 cited values

Every value below carries the sentence it was read from. 109 sources stand behind the page.

FieldValueCited text
Known as talazoparib “Participants will receive standard of care PARPi (Olaparib or Talazoparib) therapy in Step 2 and Step 3.” NCT05826964
98

“the PARP inhibitor, talazoparib, in patients with advanced triple negative breast cancer” PMID 40471518 Jun 2025

“Available drugs include olaparib, fluzoparib, pamiparib, talazoparib ect.” NCT05406999

NCT02034916

NCT06762808

NCT05101551

NCT02537561

NCT05288127

NCT02997176

NCT06844383

NCT02282345

NCT01945775

NCT02286687

NCT03672773

NCT03964532

NCT04511039

NCT03377556

NCT04740190

NCT04052204

NCT05650476

NCT02836028

NCT04991480

NCT03330405

NCT02317874

NCT05327010

NCT06218628

NCT02401347

NCT04068831

NCT04486352

NCT02925234

NCT04039230

NCT03077607

NCT03148795

NCT05071937

NCT03968406

NCT03901469

NCT03974217

NCT02921919

NCT02693535

NCT04187833

NCT06582628

NCT03426254

NCT02116777

NCT04801966

NCT02627430

NCT03875313

NCT05873192

NCT04337970

NCT04207190

NCT04591431

NCT05035745

NCT04846478

NCT03042910

NCT04462809

NCT04635631

NCT04497116

NCT04901702

NCT04819243

NCT05053854

NCT03642132

NCT04703920

NCT03499353

NCT04334941

NCT05097599

NCT04550494

NCT04019327

NCT05142241

NCT02878785

NCT04332744

NCT03637491

NCT05425862

NCT04755868

NCT02997163

NCT05725200

NCT04821622

NCT04756765

NCT04824937

NCT03565991

NCT04173507

NCT03343054

NCT04134884

NCT01042379

NCT06193525

NCT03395197

NCT02567396

NCT02912572

NCT02392793

NCT03070548

NCT04849364

NCT05059522

NCT04690855

NCT04598321

NCT01286987

NCT05319249

NCT04693468

NCT04734730

NCT04892693

NCT03990896

NCT04678362

Known as BMN 673ts ChEMBL registry synonym — accepted as the source's own label CHEMBL3137320
Known as BMN-673 “The purpose of this open-label, 2:1 randomized phase III trial is to compare the safety and efficacy of talazoparib (also known as BMN 673) versus protocol-specific physician's...” NCT01945775
11

“The purpose of this 2-stage, 2-cohort Phase 2 trial is to evaluate the safety and efficacy of talazoparib (also known as BMN 673) in subjects with locally advanced or...” NCT02034916

“The new experimental drug is called talazoparib (also known as BMN-673), and it is not approved by the Federal Drug Administration (FDA).” NCT02878785

“Talazoparib (formerly MDV3800 and BMN673) is an oral small molecule, selective inhibitor of PARP-1 and PARP-2.” NCT03964532

NCT01989546

NCT02127151

NCT01399840

NCT02326844

NCT02358200

NCT02316834

NCT02049593

NCT01776437

Known as LT-673 ChEMBL registry synonym — accepted as the source's own label CHEMBL3137320
Known as MDV3800 “Pharmacodynamic effects of the PARP inhibitor talazoparib (MDV3800, BMN 673) in patients with BRCA-mutated advanced solid tumors.” PMID 38010394 Nov 2023
1

“Talazoparib (formerly MDV3800 and BMN673) is an oral small molecule, selective inhibitor of PARP-1 and PARP-2.” NCT03964532

Known as PF-06944076 ChEMBL registry synonym — accepted as the source's own label CHEMBL3137320
Known as TALAZOPARIB (BMN 673) ChEMBL registry synonym — accepted as the source's own label CHEMBL3137320
Known as Talazoparib 1 MG Oral Capsule [Talzenna] Talazoparib 1 MG Oral Capsule [Talzenna]NCT06193525
Known as Talazoparib tosilate ChEMBL registry synonym — accepted as the source's own label CHEMBL3137320
Known as Talazoparib Tosylate “Drug: Talazoparib TosylateNCT04173507
Known as Talzenna “This arm of the Strata PATH trial will assess the clinical benefit of Talzenna® (talazoparib) in patients with advanced solid tumors harboring deep deletions or deleterious...” NCT05097599
3

“The purpose of this study is to evaluate how effective the study drugs, nivolumab (also known as Opdivo®) and talazoparib (also known as Talzenna®) are when given as a...” NCT04187833

“This is an open label, non randomised, investigator-initiated Phase II study of single agent talazoparib (Talzenna®) in metastatic triple negative breast cancer patients with...” NCT05288127

“Talazoparib 1 MG [Talzenna]” NCT05319249

Action Inhibit “Poly [ADP-ribose] polymerase-1 inhibitor” CHEMBL3137320
2

“Poly [ADP-ribose] polymerase 2 inhibitor” CHEMBL3137320

“a PARP Inhibitor” NCT01286987

Modality Small molecule “Talazoparib (formerly MDV3800 and BMN673) is an oral small moleculeNCT03964532
Route Oral Orally Administered Talazoparib” NCT01286987
Target PARP1 “Poly [ADP-ribose] polymerase-1 inhibitor” CHEMBL3137320
Target PARP2 “Poly [ADP-ribose] polymerase 2 inhibitor” CHEMBL3137320