ClinicalTrials.gov record
Active, not recruiting Phase 1 Interventional

A Study of HFB200301 as a Single Agent and in Combination With Tislelizumab in Adult Patients With Advanced Solid Tumors

ClinicalTrials.gov ID: NCT05238883

Public ClinicalTrials.gov record NCT05238883. 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 May 20, 2026, 1:27 PM 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 1a/1b, Open-Label, Multi-Center, Dose Escalation and Expansion Study of HFB200301 (TNFR2 Agonist Antibody) as a Single Agent and in Combination With Tislelizumab (Anti-PD-1 Antibody) in Adult Patients With Advanced Solid Tumors

Study identification

NCT ID
NCT05238883
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 1
Lead sponsor
HiFiBiO Therapeutics
Industry
Enrollment
72 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
Mar 9, 2022
Primary completion
Nov 30, 2026
Completion
Nov 30, 2026
Last update posted
Nov 20, 2025

2022 – 2026

United States locations

U.S. sites
7
U.S. states
7
U.S. cities
7
Facility City State ZIP Site status
Mayo Clinic Scottsdale Arizona 85259
USC/Norris Comprehensive Cancer Center Los Angeles California 90033
Mayo Clinic Jacksonville Florida 32224
Mayo Clinic Rochester Minnesota 55905
Washington University School of Medicine St Louis Missouri 63110
The University of Texas, MD Anderson Cancer Center Houston Texas 77030
NEXT Virginia Cancer Specialists Fairfax Virginia 22031

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 3 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05238883, 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 Nov 20, 2025 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05238883 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →