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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: GnRH agonist/antagonist Clear all
Recruiting Phase 2 Interventional

The COSMYC Trial (COmbined Suppression of MYC)

NCT06922318
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
ZEN-3694, Testosterone cypionate, Enzalutamide, Luteinizing hormone-releasing hormone (LHRH) analogue
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Abiraterone, Enzalutamide, or Apalutamide in Castrate-sensitive Prostate Cancer.

NCT05422911
View directory record Official record
Conditions
Metastatic Cancer, Neoplasm, Prostate, Castrate-sensitive, Castrate-sensitive Prostate Cancer
Interventions
Abiraterone acetate, Apalutamide, Enzalutamide
Drug
Lead sponsor
Sun Pharmaceutical Industries Limited
Industry
Eligibility
18 Years and older · Male only
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
12
States / cities
Los Angeles, California • Tampa, Florida • Ann Arbor, Michigan + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Withdrawn Phase 2 Interventional

Randomized Phase II Study of ADT + Abiraterone vs ADT + Docetaxel + Abiraterone

NCT06060587
View directory record Official record
Conditions
Prostate Cancer
Interventions
Docetaxel, ADT, Abiraterone
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Use of GnRH Agonist Trigger in the Prevention of OHSS

NCT00349258
View directory record Official record
Conditions
Ovarian Hyperstimulation Syndrome
Interventions
Leuprolide acetate
Drug
Lead sponsor
University of Connecticut
Other
Eligibility
20 Years to 39 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 5, 2006 · Synced Sep 23, 2026, 8:18 PM EDT
Active, not recruiting Phase 3 Interventional

A Study of Apalutamide in Participants With High-Risk, Localized or Locally Advanced Prostate Cancer Who Are Candidates for Radical Prostatectomy

NCT03767244
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Apalutamide, Androgen Deprivation Therapy (ADT), Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
2,517 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
44
States / cities
La Jolla, California • Los Angeles, California • Orange, California + 36 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Cytoreductive Prostatectomy in Treating Patients With Newly Diagnosed, Metastatic Prostate Cancer

NCT02458716
View directory record Official record
Conditions
Metastatic Prostate Carcinoma, Metastatic Prostatic Adenocarcinoma, Prostate Carcinoma Metastatic to the Bone
Interventions
Robotic Assisted Radical Prostatectomy, Conventional open retropubic radical prostectomy, Laboratory Biomarker Analysis, Quality-of-Life Assessment, ADT (androgen deprivation therapy) (i.e. leuprolide) plus an androgen receptor inhibitor (i.e. bicalutamide)
Procedure · Other · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
3
States / cities
Duarte, California • Orange, California • New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Sep 23, 2026, 8:18 PM EDT
Not listed Not applicable Interventional

The LUTEAL Trial: Luteal Stimulation vs. Estrogen Priming Protocol

NCT04447872
View directory record Official record
Conditions
Infertility, Diminished Ovarian Reserve, IVF
Interventions
Timing of injectable gonadotropins
Procedure
Lead sponsor
Northwell Health
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Phase II Trial of PSA Response-based Androgen Deprivation Therapy and Nodal Coverage for Prostate Cancer Early Salvage Radiotherapy (RANGER)

NCT07313241
View directory record Official record
Conditions
Prostate Cancer
Interventions
Prostate Fossa Radiotherapy, Pelvic nodal Radiotherapy, Androgen Deprivation Therapy (ADT)
Radiation · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older · Male only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 1 Interventional

Neo-DAB: Darolutamide and Abemaciclib in Prostate Cancer

NCT05617885
View directory record Official record
Conditions
Metastatic Prostate Cancer, Non-metastatic Prostate Cancer, Prostate Cancer
Interventions
Darolutamide, Abemaciclib, GNRH-A Leuprolide Acetate, GNRH-A Goserelin, Degarelix
Drug
Lead sponsor
Praful Ravi, MB BCHir, MRCP
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Androgen-Deprivation Therapy and Radiation Therapy in Treating Patients With Prostate Cancer

NCT01368588
View directory record Official record
Conditions
Prostate Cancer
Interventions
three-dimensional conformal radiotherapy, intensity modulated radiotherapy, Brachytherapy, Anti-androgen, luteinizing hormone-releasing hormone (LHRH) agonist or antagonist
Radiation · Drug
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
2,590 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2031
U.S. locations
454
States / cities
Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 351 more
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 2 Interventional Results available

A Study to Learn How Well Darolutamide Administered Together With Androgen Deprivation Therapy (ADT) Works in Men With Metastatic Hormone-sensitive Prostate Cancer. Results Will be Compared With ADT Alone From a Previously Conducted Study.

NCT05059236
View directory record Official record
Conditions
Metastatic Hormone-sensitive Prostate Cancer
Interventions
Darolutamide (BAY1841788, Nubeqa), ADT
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
31
States / cities
Homewood, Alabama • Tucson, Arizona • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of ARV-766 Given by Mouth in Men With Metastatic Prostate Cancer

NCT05067140
View directory record Official record
Conditions
Prostate Cancer Metastatic
Interventions
ARV-766, Abiraterone, Corticosteroid (e.g., prednisone/prednisolone), Androgen Deprivation Therapy (ADT)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Male only
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
17
States / cities
Duarte, California • La Jolla, California • Santa Monica, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

A Study of Enzalutamide Plus Androgen Deprivation Therapy (ADT) Versus Placebo Plus ADT in Patients With Metastatic Hormone Sensitive Prostate Cancer (mHSPC)

NCT02677896
View directory record Official record
Conditions
Metastatic Hormone Sensitive Prostate Cancer
Interventions
Enzalutamide, Placebo
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
34
States / cities
Homewood, Alabama • Anchorage, Alaska • Tucson, Arizona + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 23, 2026, 8:18 PM EDT
Terminated Phase 3 Interventional Results available

Conventional Androgen Deprivation Therapy (ADT) With or Without Abiraterone Acetate + Prednisone and Apalutamide Following a Detectable PSA After Radiation and ADT

NCT03777982
View directory record Official record
Conditions
Prostate Cancer
Interventions
Prednisone, Apalutamide, Abiraterone Acetate, LHRH Agonist or Antagonist
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
5
States / cities
Boston, Massachusetts • Milford, Massachusetts • South Weymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 23, 2026, 8:18 PM EDT
Withdrawn Phase 4 Interventional

Effect of Cetrorelex Acetate on Ovarian Function in Women Undergoing Chemotherapy

NCT00507780
View directory record Official record
Conditions
Ovarian Function, Preservation of Ovarian Function
Interventions
GnRH antagonist
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
10 Years to 21 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

A Study of Enzalutamide Plus the Glucocorticoid Receptor Antagonist Relacorilant Versus Placebo for Patients With High-risk Localized Prostate Cancer

NCT05726292
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Relacorilant, Enzalutamide, Placebo (Sugar Pill), Androgen Deprivation Therapy, Radical Prostatectomy
Drug · Other · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Chicago, Illinois • Evanston, Illinois • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Not applicable Interventional

GnRH Antagonist to Prepare Recipients for Embryo Transfer

NCT00460642
View directory record Official record
Conditions
Infertility
Interventions
GnRH Antagonist (Cetrotide)
Drug
Lead sponsor
Institute for Human Reproduction (IHR)
Other
Eligibility
20 Years to 50 Years · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
Chicago, Illinois • Oakbrook Terrace, Illinois
Source: ClinicalTrials.gov public record
Updated May 25, 2010 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Pembrolizumab (MK-3475) Plus Enzalutamide Plus Androgen Deprivation Therapy (ADT) Versus Placebo Plus Enzalutamide Plus ADT in Participants With Metastatic Hormone-Sensitive Prostate Cancer (mHSPC) (MK-3475-991/KEYNOTE-991)

NCT04191096
View directory record Official record
Conditions
Metastatic Hormone-Sensitive Prostate Cancer
Interventions
Pembrolizumab, Enzalutamide, Androgen Deprivation Therapy (ADT), Placebo
Biological · Drug · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
27
States / cities
Anchorage, Alaska • Duarte, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Apalutamide (JNJ-56021927, ARN-509) Plus Androgen Deprivation Therapy (ADT) Versus ADT in Participants With mHSPC

NCT02489318
View directory record Official record
Conditions
Prostate Cancer
Interventions
Apalutamide, Placebo, Androgen Deprivation Therapy (ADT)
Drug
Lead sponsor
Aragon Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,052 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
39
States / cities
Homewood, Alabama • Tucson, Arizona • San Bernardino, California + 36 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Phase 2 Interventional Results available

Cabozantinib and Androgen Ablation in Patients With Androgen-Dependent Metastatic Prostate Cancer

NCT01630590
View directory record Official record
Conditions
Prostate Cancer
Interventions
Cabozantinib, Androgen Ablation Therapy
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Male only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Difluoromethylornithine and High Dose Testosterone With Enzalutamide in Metastatic Castration-Resistant Prostate Cancer

NCT06059118
View directory record Official record
Conditions
Prostate Cancer
Interventions
DFMO, testosterone cypionate, Luteinizing hormone-releasing hormone (LHRH) analogue, Enzalutamide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 23, 2026, 8:18 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Leuprolide Acetate or Goserelin Acetate With or Without Vismodegib Followed by Surgery in Treating Patients With Locally Advanced Prostate Cancer

NCT01163084
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage IIA Prostate Cancer AJCC v7, Stage IIB Prostate Cancer AJCC v7
Interventions
Goserelin Acetate, Laboratory Biomarker Analysis, Leuprolide Acetate, Vismodegib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
5
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Sep 23, 2026, 8:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of GnRH Antagonist vs Agonist Long on IVF Outcome, Peak Estradiol Level,and Duration of Stimulation

NCT01669291
View directory record Official record
Conditions
Fertility
Interventions
Bravelle and Menopur, Agonist, Antagonist
Drug
Lead sponsor
Main Line Fertility Center
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bryn Mawr, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2014 · Synced Sep 23, 2026, 8:18 PM EDT
Recruiting Phase 2 Interventional

Supraphysiologic Testosterone Priming Induces Darolutamide Extended Response

NCT07142551
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Testosterone cypionate, Luteinizing hormone-releasing hormone (LHRH) analogue, Darolutamide
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2034
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 23, 2026, 8:18 PM EDT