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Completed Phase 1 Interventional

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

ClinicalTrials.gov ID: NCT03650348

Public ClinicalTrials.gov record NCT03650348. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 6:05 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

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

Study identification

NCT ID
NCT03650348
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Pieris Pharmaceuticals, Inc.
Industry
Enrollment
41 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 20, 2018
Primary completion
Aug 10, 2022
Completion
Aug 10, 2022
Last update posted
Apr 21, 2024

2018 – 2022

United States locations

U.S. sites
8
U.S. states
5
U.S. cities
8
Facility City State ZIP Site status
USC Norris Comprehensive Cancer Center Los Angeles California 90033
Hoag Memorial Hospital Presbyterian Newport Beach California 92663
UCLA Health Santa Monica California 90404
Ochsner Cancer Institute New Orleans Louisiana 70121
Memorial Sloan Kettering Cancer Center New York New York 10065
The Ohio State University Comprehensive Cancer Center Columbus Ohio 43202
M.D. Anderson Cancer Center Houston Texas 77030
NEXT Oncology San Antonio Texas 78240

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03650348, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 21, 2024 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03650348 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →