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HF50 in HER-2 Positive and Low-expression Advanced Solid Tumors

NCT06822998 · Status: RECRUITING · Phase: EARLY_PHASE1 · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2025-08-17

No results posted yet for this study

Summary

This is an open-label, single-arm, non-randomized, single-center, dose-escalation study designed to evaluate the safety and tolerability of HF50 in patients with HER-2 positive and HER-2 low-expression advanced solid tumors. The primary objectives are to assess the safety, tolerability, and determine the maximum tolerated dose (MTD) and/or recommended Phase II dose (RP2D) of HF50. Secondary objectives include evaluating the pharmacokinetic (PK) profile and preliminary antitumor activity of HF50.

Conditions

Interventions

DRUG

HF50

HF50 is a liposomal T-cell engager with an unique design based on the lipid bilayer. It was also named a T cell Redirecting Antibody Fragment-anchored Liposomes (TRAFsome). The liposomal surface carries anti-CD3ε and anti-HER2 antibody-conjugated lipid molecules, enabling T-cell redirection and activation at HER2-positive or HER2-low tumor sites. In addition, the liposome internal space contains a TLR7/8 agonist Resiquimod (R848), which has been shown to help modulate the myeloid cells in the tumor micro-environement to complement the immune activation effects.

Sponsors & Collaborators

  • HighField Biopharmaceuticals Corporation

    lead INDUSTRY

Principal Investigators

  • Lei Liu, MD, PhD · West China Hospital

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-06-11
Primary Completion
2026-03-01
Completion
2026-06-01

Countries

  • China

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06822998 on ClinicalTrials.gov