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NCT05585034 · ClinicalTrials.gov registry record · Phase 1

Phase 1, First-in-human, Dose-finding and Expansion Study to Evaluate XmAb®808 in Combination With Pembrolizumab in Advanced Solid Tumors

A Phase 1 study, sponsored by Xencor.

Completed
Registry status
Phase 1
Development phase
60
Enrollment target

NCT05585034: Completed Phase 1 study, sponsored by Xencor.

NCT05585034 is a Phase 1 study that has completed, run by Xencor. The registered enrollment target is 60 participants, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05585034, a Phase 1 study, has completed, sponsored by Xencor.

COMPLETED
Registry status
Phase 1
Development phase
60 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of intravenous (IV) administration of XmAb808 in combination with pembrolizumab in subjects with selected advanced solid tumors and to identify the minimum safe and biologically effective/recommended dose (RD) and schedule for XmAb808.

Primary Outcome

Safety and tolerability as assessed by incidence of TEAEs, including clinically significant changes in safety laboratory tests and clinical findings

Interventions

  • BIOLOGICAL XmAb®808
  • BIOLOGICAL Keytruda® (pembrolizumab)

Trial Details

FieldValue
Enrollment Target 60 participants
Start Date 2022-12-14
Est. Completion 2025-05-20
Phase Phase 1
Xencor

27 total trials

What the finished NCT05585034 record still lists

NCT05585034 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target.

The record links to 0 conditions, and to 2 interventions - of which XmAb®808 is the first listed.

NCT05585034 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05585034 about?

NCT05585034 is a clinical study titled "Phase 1, First-in-human, Dose-finding and Expansion Study to Evaluate XmAb®808 in Combination With Pembrolizumab in Advanced Solid Tumors". The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics of intravenous (IV) administration of XmAb808 in combination with pembrolizumab in subjects with selected advanced solid tumors and to identify the minimum safe and biologically effective/recommended dose (RD) an...

What is the current status of trial NCT05585034?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 60 participants. The study started on 2022-12-14. Estimated completion is 2025-05-20.

What interventions are being tested in trial NCT05585034?

The interventions under investigation include: XmAb®808 (BIOLOGICAL), Keytruda® (pembrolizumab) (BIOLOGICAL).

Who is sponsoring clinical trial NCT05585034?

This trial is sponsored by Xencor, which has 27 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05585034's enrollment target sits among peer trials

60 831st of 2000 higher than 1,106 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 NCT05585034, the US trial registry maintained by the National Library of Medicine. NCT05585034 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.