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REGNRegeneron PharmaceuticalsSigning up patients

A Trial to Find Out if REGN4336 is Safe and How Well it Works Alone and in Combination With REGN5678 for Adult Participants With Advanced Prostate Cancer

Metastatic Castration-resistant Prostate Cancer

5Calmworry score, out of 100

No strong warning signs right now. The score counts warning signs; it is not a prediction.

Why this score

  • 5 insiders sold shares within a month

    Since Nov 4, 2026 · was worth 5, fading over time

    +4.8
Worry score5

Score over time

Stage
Phase 1/2
Patients
228 (planned)
Started
Nov 30, 2021
Main results expected
Mar 28, 2030
Fully finished
Mar 28, 2030
Results posted
not yet

What counts as success

The trial's main goal(s), called the “primary outcome.”

  • Incidence of Dose-Limiting Toxicities (DLTs)

    Measured over: up to 21 days

  • Incidence and severity of Treatment-Emergent Adverse Events (TEAEs)

    Measured over: Up to 5 years

  • Incidence and severity of Serious Adverse Events (SAEs)

    Measured over: Up to 5 years

  • Incidence and severity of Adverse Events of Special Interest (AESIs)

    Measured over: Up to 5 years

  • REGN4336 monotherapy concentrations in serum

    Measured over: Up to 5 years

  • REGN4336 concentrations in serum in combination with REGN5678

    Measured over: Up to 5 years

  • Composite Response Rate (CRR) of ≥50% decline of prostate specific antigen (PSA) and/or confirmed radiographic response of complete response (CR) or partial response (PR)

    Measured over: Up to 5 years

Changes Tremor has spotted

No changes since Tremor started watching this trial.
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 NCT05125016 · record last updated 2026-05-05 · checked 2026-11-09 15:47 UTC

See the official record on ClinicalTrials.gov (NCT05125016) ↗