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NCT05177770 · ClinicalTrials.gov registry record · Phase 2

Study of SRF617 With AB928 (Etrumadenant) and AB122 (Zimberelimab) in Patients With Metastatic Castration Resistant Prostate Cancer

A Phase 2 study, sponsored by Coherus Oncology.

Terminated
Registry status
Phase 2
Development phase
16
Enrollment target

NCT05177770: Clinical Trial Phase 2 study, sponsored by Coherus Oncology.

NCT05177770 is a Phase 2 study that was terminated before completion, run by Coherus Oncology. The registered enrollment target is 16 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (88% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05177770, a Phase 2 study, was terminated before completion, sponsored by Coherus Oncology.

TERMINATED
Registry status
Phase 2
Development phase
16 participants
Enrollment target

Study Summary

This trial will look at the safety and preliminary efficacy of SRF617 in combination with etrumadenant and zimberelimab in patients with metastatic castration-resistant prostate cancer (mCRPC).

Primary Outcome

Response was defined as Prostate-Specific Antigen (PSA) decline of ≥ 50% (PSA50) and/or radiographic objective response of Complete Response (CR) or Partial Response (PR) per Prostate Cancer Working Group 3 (PCWG3) Criteria. The number of participants with response shows participants with any one or combination of these response types. * CR: Disappearance of all extranodal target lesions. All pathological lymph nodes must have decreased to \< 10 millimeters (mm) in short axis * PR: At least a 3

Interventions

  • DRUG etrumadenant
  • DRUG SRF617
  • DRUG zimberelimab

Trial Details

FieldValue
Enrollment Target 16 participants
Start Date 2022-01-17
Est. Completion 2023-04-05
Phase Phase 2
Coherus Oncology

15 total trials

Why NCT05177770 stopped before completion

NCT05177770 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 16 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (88% lower).

The record links to 0 conditions, and to 3 interventions - of which etrumadenant is the first listed.

NCT05177770 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05177770 about?

NCT05177770 is a clinical study titled "Study of SRF617 With AB928 (Etrumadenant) and AB122 (Zimberelimab) in Patients With Metastatic Castration Resistant Prostate Cancer". This trial will look at the safety and preliminary efficacy of SRF617 in combination with etrumadenant and zimberelimab in patients with metastatic castration-resistant prostate cancer (mCRPC).

What is the current status of trial NCT05177770?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 16 participants. The study started on 2022-01-17. Estimated completion is 2023-04-05.

What interventions are being tested in trial NCT05177770?

The interventions under investigation include: etrumadenant (DRUG), SRF617 (DRUG), zimberelimab (DRUG).

Who is sponsoring clinical trial NCT05177770?

This trial is sponsored by Coherus Oncology, which has 15 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05177770's enrollment target sits among peer trials

16 1908th of 2000 higher than 82 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05177770, the US trial registry maintained by the National Library of Medicine. NCT05177770 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.