Evaluating GIM-122 for advanced solid tumors

A First-in-Human, Open-Label, Phase 1/2 Dose-Escalation With Enrichment and Dose-Expansion Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Antitumor Activity of GIM-122 as a Single Agent in Adult Subjects With Advanced Solid Malignancies

Phase1; Phase2 Interventional Georgiamune Inc · NCT06028074

This study is testing a new treatment called GIM-122 for adults with advanced solid tumors to see how safe it is and how well it works.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Enrollment111 (estimated)
Ages18 Years and up
SexAll
SponsorGeorgiamune Inc Industry-sponsored
Drugs / interventionsradiation
Locations11 sites (Los Angeles, California and 10 other locations)
Trial IDNCT06028074 on ClinicalTrials.gov

What this trial studies

This study evaluates GIM-122, a first-in-class monoclonal antibody, in adults with advanced solid malignancies. It is a Phase 1/2, open-label, multicenter trial that will assess the safety, tolerability, pharmacokinetics, and preliminary efficacy of GIM-122 administered intravenously. The study consists of two parts: a dose escalation phase to determine the optimal dose and a dose expansion phase to further evaluate its effects in a larger cohort of patients.

Who should consider this trial

Good fit: Ideal candidates include adults with histologically confirmed advanced solid tumors who have previously received PD-1 or PD-L1 inhibitors and have shown disease progression.

Not a fit: Patients who are currently enrolled in other interventional clinical trials or have other available lines of therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced solid tumors who have limited treatment alternatives.

How similar studies have performed: Other studies involving monoclonal antibodies for advanced malignancies have shown promising results, indicating potential for success with this novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

General

* Written informed consent
* ECOG performance status 0-1.
* Laboratory assessment 28 days prior to enrollment for assessment of acceptable cardiac, renal and hepatic functions
* Recommended Double methods of contraception 90-days post treatment Cancer Specific
* Histologically or cytologically confirmed locally advanced/unresectable or metastatic solid tumor
* Received FDA approved treatment of PD-1 inhibitor or PD-L1 inhibitor for advance malignant tumors and have progressed/relapsed, are refractory, or intolerant
* Measurable disease according to Response Evaluation Criteria in Solid Tumors (RECIST), version 1.1
* Had prior therapy with PD-1/PD-L1 inhibitors. Other checkpoint inhibitors (ie, CTLA4, LAG3) are permitted if they did not lead to treatment discontinuation
* No other lines of therapy that are available

Exclusion Criteria:

General

* Enrolled in any other interventional clinical trial, starting within 4 weeks of the first dose of GIM-122 and throughout the duration of the study, or is receiving other therapy directed at their malignancy
* Women who are pregnant or breastfeeding
* History of cardiac issues, pulmonary embolism, active and clinically significant bacterial, fungal, or viral infection ≤ 6 months prior to dosing
* Contraindications to the imaging assessments or other study procedures that subjects will undergo or any medical or social condition that, in the opinion of the investigator, might place a subject at an increased risk, affect compliance, or confound safety or other clinical study data interpretation Cancer Specific
* Current second malignancy at other sites
* Leptomeningeal disease
* Spinal cord compression
* Symptomatic or new or enlarging central nervous system (CNS) metastases

Treatment-specific Exclusion Criteria

* Ongoing toxicity \> Grade 1 from prior therapy according to Common Terminology Criteria for Adverse Events (CTCAE) v 5.0
* Has undergone a major surgery \< 1 month prior to administration of GIM-122
* Has received radiation therapy within 2 weeks prior to administration of GIM-122
* Has undergone or is anticipated to undergo organ transplantation including allogeneic or autologous stem cell transplantation at any time
* Has received systemic anti-cancer therapy within 2 weeks and cytotoxic agents that have a major delayed toxicity within 4 weeks, of the first dose of GIM-122
* Prior treatment with other immune modulating agents within \< 4 weeks prior to the first dose of GIM-122.
* Has a diagnosis of immunodeficiency, either primary or acquired
* Has received treatment with systemic steroids or any form of immunosuppressive therapy within 14 days prior to administration of GIM-122
* Has active or prior history of autoimmune disease, including ulcerative colitis and Crohn's disease, or any condition that requires systemic steroids.
* Has a known severe intolerance to or hypersensitivity reactions to monoclonal antibodies, Fc-bearing proteins, or IV immunoglobulin preparations; prior history of human anti-human antibody response; known allergy to any of the study medications, or excipients in the various formulations of any agent.
* Has received live vaccines within 30 days of study initiation (inactivated vaccines are allowed; seasonal vaccines should be up to date \> 30 days prior to administration of GIM-122).

Where this trial is running

Los Angeles, California and 10 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Advanced Solid Malignanciessolid tumoradvanced malignanciesGIM-122
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.