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NCT04157985 · ClinicalTrials.gov registry record · Phase 3

Evaluating Length of Treatment With PD-1/PD-L1 Inhibitor in Advanced Solid Tumors

A Phase 3 study of Colorectal Cancer and Melanoma, sponsored by Dan Zandberg.

Completed
Registry status
Phase 3
Development phase
161
Enrollment target
1
Study location

NCT04157985: Completed Phase 3 study of Colorectal Cancer and Melanoma, sponsored by Dan Zandberg.

NCT04157985 is a Phase 3 study of Colorectal Cancer and Melanoma that has completed, run by Dan Zandberg. The registered enrollment target is 161 participants, below the 1,544-participant average among 381 other Colorectal Cancer trials with a reported enrollment target (90% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04157985, a Phase 3 study of Colorectal Cancer and Melanoma, has completed, sponsored by Dan Zandberg.

COMPLETED
Registry status
Phase 3
Development phase
161 participants
Enrollment target
1
Study location

Study Summary

Based on the overwhelming positive response to this survey and the large number of patients being treated with PD-1/PD-L1 therapy in the UPMC system, the investigators are proposing a trial that will randomize patients who have disease stability to stop treatment at 1 year or continue treatment until disease progression. The investigators anticipate that the results of this study will answer questions regarding the optimal duration of treatment. therapy.

Primary Outcome

In patients who have already been treated with a PD-1 or PD-L1 inhibitor for one year, the difference in progression-free survival (time to next treatment, progression or death, whichever occurs first) between patients who stop treatment and patients who continue treatment.

Interventions

  • DRUG Continue PD-1/PD-L1 Inhibitors treatment
  • OTHER Discontinue PD-1/PD-L1-1 inhibitor

Study Locations (1)

Pennsylvania

  • UPMC Hillman Cancer Center - Pittsburgh

Trial Details

FieldValue
Enrollment Target 161 participants
Start Date 2019-11-15
Est. Completion 2025-11-07
Phase Phase 3
Dan Zandberg

9 total trials

What the finished NCT04157985 record still lists

NCT04157985 is an interventional study that assigns participants to a tested intervention. The registered 161 participants enrollment target is mid-sized for trials with a published cap, below the 1,544-participant average among 381 other Colorectal Cancer trials with a reported enrollment target (90% lower).

The record links to 10 conditions, with Colorectal Cancer appearing as the primary indexed condition, and to 2 interventions - of which Continue PD-1/PD-L1 Inhibitors treatment is the first listed.

NCT04157985 reports a single indexed study location in Pennsylvania.

Frequently Asked Questions

What is clinical trial NCT04157985 about?

NCT04157985 is a clinical study titled "Evaluating Length of Treatment With PD-1/PD-L1 Inhibitor in Advanced Solid Tumors". Based on the overwhelming positive response to this survey and the large number of patients being treated with PD-1/PD-L1 therapy in the UPMC system, the investigators are proposing a trial that will randomize patients who have disease stability to stop treatment at 1 year or continue treatment unti...

What is the current status of trial NCT04157985?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 161 participants. The study started on 2019-11-15. Estimated completion is 2025-11-07.

What conditions does trial NCT04157985 study?

This clinical trial studies the following conditions: Colorectal Cancer, Melanoma, Bladder Cancer, Gastric Cancer, Advanced Solid Tumors.

What interventions are being tested in trial NCT04157985?

The interventions under investigation include: Continue PD-1/PD-L1 Inhibitors treatment (DRUG), Discontinue PD-1/PD-L1-1 inhibitor (OTHER).

Who is sponsoring clinical trial NCT04157985?

This trial is sponsored by Dan Zandberg, which has 9 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04157985 being conducted?

This trial has 1 study location across Pennsylvania. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Colorectal Cancer

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04157985's enrollment target sits among peer trials

161 165th of 381 higher than 216 of 381 other Colorectal Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Colorectal Cancer 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 NCT04157985, the US trial registry maintained by the National Library of Medicine. NCT04157985 (mid enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.