A Trial to Find Out if REGN5678 (Nezastomig) is Safe and How Well it Works Alone or in Combination With Cemiplimab for Adult Participants With Metastatic Castration-Resistant Prostate Cancer and Other Tumors
Metastatic Castration-Resistant Prostate Cancer (mCRPC) · Clear Cell Renal Cell Carcinoma (ccRCC)
No strong warning signs right now. The score counts warning signs; it is not a prediction.
Why this score
- +4.8
5 insiders sold shares within a month
Since Nov 4, 2026 · was worth 5, fading over time
Score over time
- Stage
- Phase 1/2
- Patients
- 345 (planned)
- Started
- Aug 12, 2019
- Main results expected
- Nov 15, 2027
- Fully finished
- Nov 15, 2027
- Results posted
- not yet
What counts as success
The trial's main goal(s), called the “primary outcome.”
Incidence and severity of Treatment-Emergent Adverse Events (TEAEs)
Measured over: Through study completion, up to 5 years
Incidence and severity of Adverse Event of Special Interests (AESIs)
Measured over: Through study completion, up to 5 years
Incidence and severity of Serious Adverse Events (SAEs)
Measured over: Through study completion, up to 5 years
Number of participants with Grade ≥3 laboratory abnormalities
Measured over: Through study completion, up to 5 years
Incidence of Dose-Limiting Toxicities (DLTs)
Measured over: First dose through day 42 of last participant in each dose level
Concentration of REGN5678 in serum over time
Measured over: Through study completion, up to 5 years
Concentration of REGN5678 in combination with cemiplimab in serum over time
Measured over: Through study completion, up to 5 years
Composite Response Rate (CRR) of 50% decline of Prostate Specific Antigen (PSA) and/or confirmed radiographic response of complete (CR) or partial response (PR)
Measured over: Through study completion, up to 5 years
Objective Response Rate (ORR) per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria
Measured over: Through study completion, up to 5 years
Changes Tremor has spotted
Show details (technical version)
Score inputs
- insider_selling_cluster: base 5, now 4.8, since 2026-11-04, fades (half-life)
Raw record changes
- none yet
Trial ID NCT03972657 · record last updated 2026-11-04 · checked 2026-11-09 15:47 UTC