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NCT05355753 · ClinicalTrials.gov registry record · Phase 1

A Study to Assess the Safety and Tolerability of CFT8634 in Locally Advanced or Metastatic SMARCB1-Perturbed Cancers, Including Synovial Sarcoma and SMARCB1-Null Tumors

A Phase 1 study, sponsored by C4 Therapeutics.

Terminated
Registry status
Phase 1
Development phase
49
Enrollment target

NCT05355753: Clinical Trial Phase 1 study, sponsored by C4 Therapeutics.

NCT05355753 is a Phase 1 study that was terminated before completion, run by C4 Therapeutics. The registered enrollment target is 49 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (18% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05355753, a Phase 1 study, was terminated before completion, sponsored by C4 Therapeutics.

TERMINATED
Registry status
Phase 1
Development phase
49 participants
Enrollment target

Study Summary

This is an open-label, non-randomized, first-in-human Phase 1/2 study designed to evaluate the safety and tolerability of CFT8634 in subjects with synovial sarcoma and SMARCB1-null tumors who: have received prior systemic therapy; have relapsed/refractory tumors; have unresectable or metastatic disease; and are not candidates for available therapies known to confer clinical benefit. The study will characterize the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of CFT8634.

Primary Outcome

Phase 1 and Phase 2

Interventions

  • DRUG CFT8634

Trial Details

FieldValue
Enrollment Target 49 participants
Start Date 2022-03-25
Est. Completion 2023-12-19
Phase Phase 1
C4 Therapeutics

5 total trials

Why NCT05355753 stopped before completion

NCT05355753 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 49 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (18% lower).

The record links to 0 conditions, and to 1 intervention - of which CFT8634 is the first listed.

NCT05355753 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05355753 about?

NCT05355753 is a clinical study titled "A Study to Assess the Safety and Tolerability of CFT8634 in Locally Advanced or Metastatic SMARCB1-Perturbed Cancers, Including Synovial Sarcoma and SMARCB1-Null Tumors". This is an open-label, non-randomized, first-in-human Phase 1/2 study designed to evaluate the safety and tolerability of CFT8634 in subjects with synovial sarcoma and SMARCB1-null tumors who: have received prior systemic therapy; have relapsed/refractory tumors; have unresectable or metastatic dise...

What is the current status of trial NCT05355753?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 49 participants. The study started on 2022-03-25. Estimated completion is 2023-12-19.

What interventions are being tested in trial NCT05355753?

The interventions under investigation include: CFT8634 (DRUG).

Who is sponsoring clinical trial NCT05355753?

This trial is sponsored by C4 Therapeutics, which has 5 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05355753's enrollment target sits among peer trials

49 1017th of 2000 higher than 976 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT05355753, the US trial registry maintained by the National Library of Medicine. NCT05355753 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.