Study of GV20-0251 in Participants With Solid Tumor Malignancies

Recruiting now · Phase 1/Phase 2

Conditions studied: Solid Tumor Cancer, Adult Refractory Cancer, Endometrial Carcinoma (EC), Squamous Head and Neck Carcinoma, pMMR/MSS Adenocarcinoma of the Colon or Rectum, Non-Small Cell Lung Cancer, Melanoma, HCC - Hepatocellular Carcinoma, Small Cell Lung Cancer

In brief

This is a Phase 1 and Phase 2 study of GV20-0251 being developed for the treatment of participants with advanced solid tumors, who are refractory to approved therapies or other standard of care.

Key facts

Study ID

NCT07070518

Run by

GV20 Therapeutics

People needed

350

Starts

2025-07-11

Expected to finish

2028-09-16

Last updated by the study team

2025-12-03

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Before conducting any study-specific procedures, voluntarily sign an informed consent form.
• Be able and willing to participate throughout the entire study period and comply with study procedures.
• participants ≥18 years of age
• Previously treated, histologically-confirmed advanced solid malignancy with progressive disease requiring therapy (Refractory or intolerant to standard therapies, must have received the standard of care therapy)
• Participants must have measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST version 1.1)
• For participants who have received prior treatment with a checkpoint inhibitor there must be documented disease progression
• ECOG performance status of 0 or 1 before C1D1
• Part B Participants must be willing to provide fresh tumor biopsy (core biopsy) both pre-treatment and on-treatment, if clinically feasible
• Disease-free of active second/secondary or prior malignancies for ≥ 2 years Laboratory test results within the required parameters
• Women of childbearing potential (WOCBP) and men must agree to use adequate contraception

You may not qualify if…

• Participants with acute leukemia or CLL
• Participant with heart disease (NYHA ≥ Level II), myocardial infarction within the past 6 months, or unstable arrhythmia
• Fridericia-corrected QT interval (QTcF) > 470 msec, or the presence of congenital long QT syndrome, or a history of clinically significant electrocardiogram (ECG) abnormalities (including pericarditis) that, in the investigator's judgment, may affect the subject's safety.
• Active, uncontrolled bacterial, viral, or fungal infections requiring systemic therapy within 7 days before C1D1
• Participant has active autoimmune disease or other medical conditions requiring chronic systemic steroid or immunosuppressive therapy
• Known human immunodeficiency virus (HIV) infection, known hepatitis B virus (HBV), or hepatitis C virus (HCV) infection, unless meeting the specific conditions.
• History of major organ transplant and/or a bone marrow transplant
• Symptomatic central nervous system (CNS) malignancy or metastasis
• Serious nonmalignant disease
• Pregnant or nursing women
• Major surgery within 28 days prior to the first dose of study medication
• Prior anticancer therapy within 4 weeks or 5 half-lives (whichever is shorter) before the first dose of GV20-0251 on Cycle 1 Day 1 (C1D1), with the exceptions.
• History of severe allergic reactions to biologic therapy, which in the investigator's judgment may increase the subject's risk.
• Radiation therapy for symptomatic lesions within 14 days prior to C1D1 dosing.
• Active substance abuse
• Any history of an immune-related ≥ Grade 3 AE attributed to prior cancer immunotherapy

Where it is running

• Beijing Cancer Hospital — Beijing, Beijing Municipality, China (enrolling)
• Cancer Hospital, Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China (enrolling)
• Shanghai Pulmonary Hospital — Shanghai, Shanghai Municipality, China (enrolling)

Full record on ClinicalTrials.gov

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