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NCT03650348 · ClinicalTrials.gov registry record · Phase 1

PRS-343 in Combination With Atezolizumab in HER2-Positive Solid Tumors

A Phase 1 study of HER2-positive Breast Cancer and HER2-positive Gastric Cancer, sponsored by Pieris Pharmaceuticals.

Completed
Registry status
Phase 1
Development phase
41
Enrollment target
8
Study locations

NCT03650348: Completed Phase 1 study of HER2-positive Breast Cancer and HER2-positive Gastric Cancer, sponsored by Pieris Pharmaceuticals.

NCT03650348 is a Phase 1 study of HER2-positive Breast Cancer and HER2-positive Gastric Cancer that has completed, run by Pieris Pharmaceuticals. The registered enrollment target is 41 participants, below the 235-participant average among 58 other HER2-positive Breast Cancer trials with a reported enrollment target (83% lower). The trial reports 8 study locations across 5 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03650348, a Phase 1 study of HER2-positive Breast Cancer and HER2-positive Gastric Cancer, has completed, sponsored by Pieris Pharmaceuticals.

COMPLETED
Registry status
Phase 1
Development phase
41 participants
Enrollment target
8
Study locations

Study Summary

A Phase 1b, open-label, dose escalation study of PRS-343 in combination with atezolizumab in patients with HER2-positive advanced or metastatic solid tumors.

Interventions

  • DRUG PRS-343 in Combination with Atezolizumab

Study Locations (8)

California

  • USC Norris Comprehensive Cancer Center - Los Angeles
  • Hoag Memorial Hospital Presbyterian - Newport Beach
  • UCLA Health - Santa Monica

Texas

  • M.D. Anderson Cancer Center - Houston
  • NEXT Oncology - San Antonio

Louisiana

  • Ochsner Cancer Institute - New Orleans

New York

  • Memorial Sloan Kettering Cancer Center - New York

Ohio

  • The Ohio State University Comprehensive Cancer Center - Columbus

Trial Details

FieldValue
Enrollment Target 41 participants
Start Date 2018-08-21
Est. Completion 2022-08-11
Phase Phase 1
Pieris Pharmaceuticals

3 total trials

What the finished NCT03650348 record still lists

NCT03650348 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 41 participants, a relatively small participant target, below the 235-participant average among 58 other HER2-positive Breast Cancer trials with a reported enrollment target (83% lower).

The record links to 4 conditions, with HER2-positive Breast Cancer appearing as the primary indexed condition, and to 1 intervention - of which PRS-343 in Combination with Atezolizumab is the first listed.

NCT03650348 lists 8 locations in 5 states (California, Texas, Louisiana).

Frequently Asked Questions

What is clinical trial NCT03650348 about?

NCT03650348 is a clinical study titled "PRS-343 in Combination With Atezolizumab in HER2-Positive Solid Tumors". A Phase 1b, open-label, dose escalation study of PRS-343 in combination with atezolizumab in patients with HER2-positive advanced or metastatic solid tumors.

What is the current status of trial NCT03650348?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 41 participants. The study started on 2018-08-21. Estimated completion is 2022-08-11.

What conditions does trial NCT03650348 study?

This clinical trial studies the following conditions: HER2-positive Breast Cancer, HER2-positive Gastric Cancer, HER2-Positive Solid Tumor, HER2-positive Bladder Cancer.

What interventions are being tested in trial NCT03650348?

The interventions under investigation include: PRS-343 in Combination with Atezolizumab (DRUG).

Who is sponsoring clinical trial NCT03650348?

This trial is sponsored by Pieris Pharmaceuticals, which has 3 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT03650348 being conducted?

This trial has 8 study locations across California, Louisiana, New York, Ohio, Texas. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for HER2-positive Breast 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 NCT03650348's enrollment target sits among peer trials

41 34th of 58 higher than 25 of 58 other HER2-positive Breast Cancer trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other HER2-positive Breast 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 NCT03650348, the US trial registry maintained by the National Library of Medicine. NCT03650348 (small enrollment · multi site footprint · completed) retrieved and formatted by PlainTrial, see methodology.