Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 3, 2026, 1:18 PM EDT

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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
Conditions
Prostate Cancer
Interventions
talazoparib plus enzalutamide, Placebo plus enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
46
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 26 more
Conditions
Endometrial Cancer
Interventions
Atezolizumab - 28 Day Cycle, Bevacizumab, Ipatasertib, Talazoparib, Trastuzumab emtansine, Tiragolumab, Atezolizumab - 21 Day Cycle, Inavolisib, Letrozole, Giredestrant, Abemaciclib
Drug
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
21
States / cities
Duarte, California • San Francisco, California • Washington D.C., District of Columbia + 18 more
Conditions
Castration-Sensitive Prostate Carcinoma, Metastatic Prostate Adenocarcinoma, Stage IV Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8
Interventions
Abiraterone Acetate, Bicalutamide, Degarelix, Goserelin Acetate, Leuprolide Acetate, Prednisone, Questionnaire Administration, Talazoparib
Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Duarte, California
Conditions
Advanced Cancer, Metastatic Cancer, Breast Cancer
Interventions
ART4215, Talazoparib, Niraparib
Drug
Lead sponsor
Artios Pharma Ltd
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
7
States / cities
New Haven, Connecticut • Orlando, Florida • New York, New York + 4 more
Conditions
Advanced Malignancies, NSCLC, Ovarian Cancer, Urothelial Cancer, Solid Tumors
Interventions
Avelumab, Lorlatanib, Talazoparib, Pemetrexed, Axitinib, CMP 001, Utomilumab, PF04518600
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
20
States / cities
Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 13 more
Conditions
Kidney Cancer, Renal Cell Carcinoma, Unresectable Renal Cell Carcinoma, Metastatic Renal Cell Carcinoma
Interventions
Talazoparib, Axitinib
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Breast Cancer
Interventions
Talazoparib, Sacituzumab Govitecan
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
3
States / cities
Boston, Massachusetts
Conditions
Solid Tumor, Clear Cell Renal Cell Carcinoma, TNBC - Triple-Negative Breast Cancer, Colorectal Cancer, CRC, RCC, ccRCC
Interventions
CB-839, Talazoparib
Drug
Lead sponsor
Calithera Biosciences, Inc
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
9
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa + 6 more
Active, not recruiting Phase 3 Interventional Results available

Talazoparib + Enzalutamide vs. Enzalutamide Monotherapy in mCRPC

NCT03395197
Conditions
mCRPC
Interventions
Talazoparib with enzalutamide, Placebo with enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,054 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
132
States / cities
Anchorage, Alaska • Chandler, Arizona • Gilbert, Arizona + 93 more
Conditions
Extensive Stage Lung Small Cell Carcinoma
Interventions
Atezolizumab, Biopsy Procedure, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Talazoparib
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
561
States / cities
Anchorage, Alaska • Kingman, Arizona • Phoenix, Arizona + 362 more
Conditions
Triple Negative Breast Cancer
Interventions
ZEN003694, Talazoparib
Drug
Lead sponsor
Zenith Epigenetics
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
8
States / cities
Gilbert, Arizona • Atlanta, Georgia • Westwood, Kansas + 5 more
Conditions
Early Breast Cancer
Interventions
TALAZOPARIB
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
97
States / cities
Gilbert, Arizona • Fayetteville, Arkansas • Rogers, Arkansas + 64 more
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm, Recurrent Malignant Solid Neoplasm
Interventions
Axitinib, Crizotinib, Palbociclib Isethionate, Talazoparib Tosylate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Recurrent Acute Myeloid Leukemia, Refractory Acute Myeloid Leukemia
Interventions
Gemtuzumab Ozogamicin, Quality-of-Life Assessment, Questionnaire Administration, Talazoparib, Talazoparib Tosylate
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • Buffalo, New York
Conditions
Prostate Cancer
Interventions
ADT, Enzalutamide, Talazoparib, Degarelix, Luprolide
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Houston, Texas
Conditions
Prostate Cancer (Adenocarcinoma), mCRPC (Metastatic Castration-resistant Prostate Cancer)
Interventions
Talazoparib with enzalutamide, Talazoparib
Drug
Lead sponsor
Prostate Cancer Clinical Trials Consortium
Other
Eligibility
18 Years and older · Male only
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
8
States / cities
Duarte, California • La Jolla, California • Boston, Massachusetts + 5 more
Conditions
Breast Neoplasms, BRCA 1 Gene Mutation, BRCA 2 Gene Mutation
Interventions
talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
37
States / cities
Greenbrae, California • Los Angeles, California • Palo Alto, California + 19 more
Conditions
Advanced Solid Tumors
Interventions
Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
7
States / cities
Fort Wayne, Indiana • Detroit, Michigan • Farmington Hills, Michigan + 2 more
Conditions
Acute Myeloid Leukemia, Myelodysplastic Syndrome, Chronic Lymphocytic Leukemia, Mantle Cell Lymphoma
Interventions
BMN 673
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
3
States / cities
Indianapolis, Indiana • Seattle, Washington • Madison, Wisconsin
Completed Phase 2 Interventional Results available

Open-Label Extension and Safety Study of Talazoparib

NCT02921919
Conditions
Cancer
Interventions
Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
26
States / cities
Alhambra, California • Bakersfield, California • Burbank, California + 16 more
Conditions
Prostate Cancer
Interventions
Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
42
States / cities
Tempe, Arizona • Duarte, California • Lancaster, California + 23 more
Conditions
Pancreatic Cancer
Interventions
Avelumab, Binimetinib, Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
11
States / cities
Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 6 more
Conditions
Advanced Solid Tumors, Solid Tumors, Ovarian Cancer, Breast Cancer, Prostate Cancer, NSCLC, Pancreatic Cancer, Colorectal Cancer
Interventions
TALZENNA capsule, Talazoparib soft gel capsule
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
23
States / cities
Encinitas, California • Los Angeles, California • San Marcos, California + 12 more
Conditions
Recurrent Solid Tumor, Recurrent Ewing Sarcoma, Recurrent Hepatoblastoma, Recurrent Malignant Germ Cell Tumor, Recurrent Malignant Solid Neoplasm, Recurrent Neuroblastoma, Recurrent Osteosarcoma, Recurrent Peripheral Primitive Neuroectodermal Tumor, Recurrent Rhabdoid Tumor, Recurrent Rhabdomyosarcoma, Recurrent Soft Tissue Sarcoma, Recurrent Wilms Tumor, Refractory Ewing Sarcoma, Refractory Hepatoblastoma, Refractory Malignant Germ Cell Tumor, Refractory Malignant Solid Neoplasm, Refractory Neuroblastoma, Refractory Osteosarcoma, Refractory Peripheral Primitive Neuroectodermal Tumor, Refractory Rhabdoid Tumor, Refractory Rhabdomyosarcoma, Refractory Soft Tissue Sarcoma
Interventions
Onivyde, Talazoparib, Temozolomide
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
12 Months to 30 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Palo Alto, California • Aurora, Colorado • Washington D.C., District of Columbia + 4 more