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NCT04458259 · ClinicalTrials.gov registry record · Phase 1

Study of PF-07265807 in Participants With Metastatic Solid Tumors.

A Phase 1 study, sponsored by Pfizer.

Terminated
Registry status
Phase 1
Development phase
88
Enrollment target

NCT04458259: Clinical Trial Phase 1 study, sponsored by Pfizer.

NCT04458259 is a Phase 1 study that was terminated before completion, run by Pfizer. The registered enrollment target is 88 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (47% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04458259, a Phase 1 study, was terminated before completion, sponsored by Pfizer.

TERMINATED
Registry status
Phase 1
Development phase
88 participants
Enrollment target

Study Summary

A First-in-Human Pharmacokinetic, Safety, and Tolerability Study of PF-07265807 as Monotherapy and in Combination in Participants with Advanced or Metastatic Solid Tumors

Primary Outcome

DLTs will be evaluated during the first cycle (day 21) or two cycles (day 42). The number of DLTs will be used to determine the maximum tolerated dose (MTD)

Interventions

  • DRUG Axitinib
  • DRUG Sasanlimab
  • DRUG PF-07265807

Trial Details

FieldValue
Enrollment Target 88 participants
Start Date 2020-09-24
Est. Completion 2024-11-15
Phase Phase 1
Pfizer

1,845 total trials

Why NCT04458259 stopped before completion

NCT04458259 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 88 participants, a relatively small participant target, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (47% higher).

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

NCT04458259 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04458259 about?

NCT04458259 is a clinical study titled "Study of PF-07265807 in Participants With Metastatic Solid Tumors.". A First-in-Human Pharmacokinetic, Safety, and Tolerability Study of PF-07265807 as Monotherapy and in Combination in Participants with Advanced or Metastatic Solid Tumors

What is the current status of trial NCT04458259?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 88 participants. The study started on 2020-09-24. Estimated completion is 2024-11-15.

What interventions are being tested in trial NCT04458259?

The interventions under investigation include: Axitinib (DRUG), Sasanlimab (DRUG), PF-07265807 (DRUG).

Who is sponsoring clinical trial NCT04458259?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04458259's enrollment target sits among peer trials

88 650th of 2000 higher than 1,350 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 NCT04458259, the US trial registry maintained by the National Library of Medicine. NCT04458259 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.