Last update 10 Sep 2026

Talazoparib Tosylate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
BMN 673, Talazoparib, talazoparib
+ [15]
Action
inhibitors
Mechanism
PARP1 inhibitors(Poly (ADP-Ribose) polymerase 1 inhibitors), PARP2 inhibitors(Poly (ADP-Ribose) Polymerase 2 inhibitors)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
RegulationPriority Review (United States)
Login to view timeline

Structure/Sequence

Molecular FormulaC26H22F2N6O4S
InChIKeyQUQKKHBYEFLEHK-QNBGGDODSA-N
CAS Registry1373431-65-2

External Link

R&D Status

Approved
10 top approved records.
Login
to view more data
IndicationCountry/LocationOrganizationDate
BRCA Mutation Castration-Resistant Prostate Cancer
Japan
18 Jan 2024
Metastatic castration-resistant prostate cancer
European Union
08 Jan 2024
Metastatic castration-resistant prostate cancer
Iceland
08 Jan 2024
Metastatic castration-resistant prostate cancer
Liechtenstein
08 Jan 2024
Metastatic castration-resistant prostate cancer
Norway
08 Jan 2024
Breast Cancer
South Korea
30 Jul 2020
HRR Gene-mutated Castration-Resistant Prostate Cancer
Australia
18 Nov 2019
Metastatic breast cancer
Canada
06 Sep 2019
Hormone receptor positive breast cancer
European Union
20 Jun 2019
Hormone receptor positive breast cancer
Iceland
20 Jun 2019
Hormone receptor positive breast cancer
Liechtenstein
20 Jun 2019
Hormone receptor positive breast cancer
Norway
20 Jun 2019
Germline BRCA-mutated, HER2-negative metastatic breast cancer
United States
16 Oct 2018
Developing
10 top R&D records.
Login
to view more data
IndicationHighest PhaseCountry/LocationOrganizationDate
BRCA mutation positive Breast CancerNDA/BLA
China
22 Jun 2026
Castration-Resistant Prostatic CancerNDA/BLA
United States
17 Feb 2023
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
United States
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
China
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Japan
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Argentina
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Australia
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Belgium
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Bulgaria
12 May 2021
Metastatic Castration-Sensitive Prostate CarcinomaPhase 3
Canada
12 May 2021
Login to view more data

Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1/2
16
Tala+TMX
(Dose Level 1 Tala 1mg, TMX 37.5 mg/m^2)
arlwjyvkpv = mjnaxxanpk nmimvtbgss (qbgbyrteer, ixiulpsqzi - zcnjmqjdtg)
-
24 Aug 2026
Tala+TMX
(Dose Level 1A Tala 0.75mg, TMX 50 mg/m^2)
arlwjyvkpv = boudretfss nmimvtbgss (qbgbyrteer, qhdvofrfzz - bydnkikrfn)
Phase 3
Metastatic Prostate Carcinoma
alterations in homologous recombination repair genes
599
Talazoparib 0.5 mg + Enzalutamide 160 mg
lxzojfggjp(ljibkquaix) = wsdbgnhmsk nfdacfqiht (ahdvspkcpa )
Positive
30 Jul 2026
Placebo + Enzalutamide 160 mg
lxzojfggjp(ljibkquaix) = irjgkghdec nfdacfqiht (ahdvspkcpa )
Phase 3
599
xszvrbexvo(sooznrgvcb) = zzagnwytah ntjjbcpqoy (jniskyyjde )
Positive
29 May 2026
placebo + enzalutamide
tjfvalcmpf(gfgtggkeat) = arowhkdjug hvarkiovim (ywrckdhxmj )
Phase 2
126
aacpcqfmdc(ctedvqjncn) = qryajmajzu kcnjkctbei (qylufbgxms )
Positive
29 May 2026
jlpftbyxkw(dyxflcquyk) = itmoldaqum zqkqzhcysy (wkvzzayxih )
Phase 2
54
osuywzolgb(shsfnvhdut) = xmqqkktfva zlgrtpejsh (srrwbwtetz, 23.0 - NR)
Positive
29 May 2026
osuywzolgb(shsfnvhdut) = rigwrbmcmo zlgrtpejsh (srrwbwtetz, 6.3 - 45.4)
Phase 3
505
(Unselected with dose reduction)
zvfxtukxjh(jvuicipeqq) = ykiosptafn plikvhldht (iihzjiraye )
Positive
29 May 2026
(Unselected without dose reduction)
zvfxtukxjh(jvuicipeqq) = kimctoxvgw plikvhldht (iihzjiraye )
Phase 3
599
bocofkmnyx(tmxddwfldu) = demonstrating a statistically significant and clinically meaningful reduction ljpnlvtwrt (sskpgfiomi )
Met
Positive
19 Mar 2026
Phase 3
903
Talazoparib 0.5 mg + Enzalutamide 160 mg
ucukxtwkmm(rgfrxnfpur) = boeshvwuia xxaqyqkwjk (sukqesnytg )
Positive
26 Feb 2026
Placebo + Enzalutamide 160 mg
ucukxtwkmm(rgfrxnfpur) = ymneumftiy xxaqyqkwjk (sukqesnytg )
Phase 2
115
(Expansion Cohort A - Combination Treatment in Post-TROP2-ADC Patients)
itrpwcwany = ujdtnefkac dzhhwbwyfm (dovndjlwlz, cbqungurmo - wgarqwfxif)
-
07 Oct 2025
(Expansion Cohort C - Combination Treatment in TROP2-ADC-naïve Patients)
mxgpcywpxp = btzsibgbla tfoxdrwryj (fqnpaohrdw, ibbfouwzoz - opcqegchbp)
Phase 1/2
23
uqkrylqgkt(asyfsolsiq) = ygawrncxng gcauqhnlqi (zysjgolqhi, 3.5 - 8.4)
Negative
01 Aug 2025
Login to view more data

Translational Medicine

Boost your research with our translational medicine data.
Boost your research with our translational medicine data.

Deal

Boost your decision using our deal data.
Boost your decision using our deal data.

Core Patent

Boost your research with our Core Patent data.
Boost your research with our Core Patent data.

Clinical Trial

Identify the latest clinical trials across global registries.
Identify the latest clinical trials across global registries.

Approval

Accelerate your research with the latest regulatory approval information.
Accelerate your research with the latest regulatory approval information.

Regulation

Understand key drug designations in just a few clicks with Synapse.
Understand key drug designations in just a few clicks with Synapse.
Hiro LS Researcher
The AI Search Engine Built to Accelerate Biopharma Decisions
Search across billion-scale life sciences data to uncover signals, validate evidence, and act with confidence.
Ask any biopharma research question→
Get started for free today!
Accelerate Strategic R&D decision making with Synapse, Patsnap’s AI-powered Connected Innovation Intelligence Platform Built for Life Sciences Professionals.
Discover Synapse Data Servers
Synapse data is now integrated into the PatSnap LS Model Context Protocol (MCP) service. Customize your LLM agent now using our MCP server!
Bio
Bio Sequences Search & Analysis
Sign up for free
Chemical
Chemical Structures Search & Analysis
Sign up for free