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Degarelix

Phase 1

Prostate Cancer | Small molecule | Oncology |Regeneron Pharmaceuticals, Inc.|Last Updated: Jan 28, 2026

Success Probability
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Market & Valuation
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Trial Design
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment60
FDA Designations
No designations recorded
Clinical trial landscape

Degarelix · 1 trial · 1 indication

Phase 1 1
NCT04989946Androgen Deprivation, With or Without pTVG-AR, and With or Without T-Cell Checkpoint Blockade, in Patients With Newly Diagnosed, High-Risk Prostate CancerProstate Cancer
RECRUITING60 Analytics
PHASE1RECRUITING
Androgen Deprivation, With or Without pTVG-AR, and With or Without T-Cell Checkpoint Blockade, in Patients With Newly Diagnosed, High-Risk Prostate Cancer
Prostate CancerUnlock trial analytics
Study Endpoints
Primary Endpoints
Pathological Complete Response Rate (pCR)
at prostatectomy (up to 3 months)

The pathological complete response will be estimated for each arm and reported along with the corresponding 95% confidence interval which will be constructed using the Wilson score method. Formal comparisons between arms will be conducted using Fisher's exact test. Participants in this study with unknown pathological response will be treated as non-responders in the primary analysis.

Minimal Residual Disease (MRD) Rate
at prostatectomy (up to 3 months)

The MRD rate will be estimated for each arm and reported along with the corresponding 95% confidence interval which will be constructed using the Wilson score method. Formal comparisons between arms will be conducted using Fisher's exact test. Participants in this study with unknown pathological response will be treated as non-responders in the primary analysis.

Incidence of Adverse Events
up to 15 months

Adverse events will be evaluated using the most recent version of the Common Terminology Criteria for Adverse Events (CTCAE).

Toxicity Rates
up to 15 months

Toxicity rates (grade 2, grade 3, grade 4, grade ≥ 2, grade ≥ 3, etc.) will be calculated for each study arm and reported along the corresponding 95% confidence intervals. The 95% confidence intervals will be constructed using the Wilson score method.

Secondary Endpoints
Progression-Free Survival (PSA) at 1-year
up to 15 months on study (1 year after prostatectomy)
Residual Cancer Burden (RCB)
at prostatectomy (up to 3 months)
Median Progression-Free Survival
up to 39 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm 1: DegarelixACTIVE_COMPARATOR\- Degarelix 240 mg s.c. day 29, 80 mg s.c. day 57
Arm 2: Degarelix and pTVG-AREXPERIMENTAL* Degarelix 240 mg s.c. day 29, 80 mg s.c. day 57 * pTVG-AR (100 µg) administered intradermally (i.d.) at days 1, 8, 15, 22, 29, 43, 57 and 71
Arm 3: Degarelix and pTVG-AR and NivolumabEXPERIMENTAL* Degarelix 240 mg s.c. day 29, 80 mg s.c. day 57 * pTVG-AR (100 µg) administered intradermally (i.d.) at days 1, 8, 15, 22, 29, 43, 57 and 71 * Nivolumab 240 mg IV administered at days 29, 43, 57 and 71
Arm 4: Degarelix and pTVG-AR and CemiplimabEXPERIMENTAL* Degarelix 240 mg s.c. day 29, 80 mg s.c. day 57 * pTVG-AR (100 µg) administered intradermally (i.d.) at days 1, 8, 15, 22, 29, 43, 57 and 71 * Cemiplimab 350 mg IV administered at days 1, 22, 43 and 64
Arm 5: Degarelix and pTVG-AR and Cemiplimab and FianlimabEXPERIMENTAL* Degarelix 240 mg s.c. day 29, 80 mg s.c. day 57 * pTVG-AR (100 µg) administered intradermally (i.d.) at days 1, 8, 15, 22, 29, 43, 57 and 71 * Cemiplimab 350 mg IV administered at days 1, 22, 43 and 64 * Fianlimab 1600 mg IV administered at days 1, 22, 43 and 64
Interventions
NameTypeDescription
DegarelixDRUGstandard Gonadotropin-releasing hormone (GnRH) antagonist
pTVG-ARBIOLOGICALDNA vaccine encoding androgen receptor ligand-binding domain
NivolumabDRUGNivolumab is a human programmed death receptor-1 (PD-1)-blocking antibody indicated for the treatment of patients with multiple different types of cancer.
CemiplimabDRUGCemiplimab is a human PD-1 blocking antibody approved for the treatment of patients with non-small cell lung cancer, cutaneous squamous cell carcinoma, and locally advanced basal cell carcinoma.
FianlimabDRUGLymphocyte activation gene-3 (LAG-3) is a protein that is upregulated on activated CD4+ and CD8+ T cells following T-cell receptor engagement. Binding of LAG-3 to MHC II on professional antigen-presenting cells suppresses the proliferation, activation, and cytokine secretion of T cells. Fianlimab is a human IgG4 antibody to lymphocyte activation gene-3 (LAG-3) that blocks LAG-3/MHC II-mediated T-cell inhibition.
FLT PET/CTDRUGArms 1-3 only, FLT PET/CT scan at baseline (within 1-6 days of Day 1) and Day 43
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Eligibility Criteria
Age Range18 Years to N/A
SexMALE
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Histologically confirmed adenocarcinoma of the prostate * Patients must be considered candidates for prostatectomy as per standard of care * High-risk patients for recurrent disease, with high risk defined based on one of the following criteria: * Gleason score 7 and baseli...

Countries:United States
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Competitive Landscape -Prostate Cancer 256 trials
Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT04989946studyFirstPostDate: changed