Clinical trial Recruiting at 1 site Phase 1 Interventional Ages 18 to 75

GC203 TIL therapy for advanced solid tumors in adults

Official title: A Phase I Study of Engineered Tumor Infiltrating Lymphocytes Injection (GC203 TIL) in Patients With Advanced Solid Tumors

Run by Shanghai Juncell Therapeutics · NCT07256756 · Data updated 2026-11-12

This trial tests GC203 tumor-infiltrating lymphocyte therapy in adults with solid tumors that have not responded to standard treatments.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment8 (estimated)
SponsorShanghai Juncell Therapeutics
Industry-sponsored
Drugs / interventionsPrednisone
Locations1 site (Shenzhen)
StatusRecruiting
StartedJanuary 30, 2026
Main results expectedNovember 30, 2026
Study endsNovember 30, 2028
Registry record updatedAugust 5, 2026
Trial IDNCT07256756 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18-75 with histologically confirmed solid tumors, at least one measurable lesion, ECOG 0-1, and progression after standard therapy; must have produced GC203 TILs from tumor tissue.

Probably not a fit

Patients whose tumors do not respond to GC203 TILs or who experience intolerable side effects may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a phase 1, open-label, single-arm study evaluating the safety and potential effectiveness of GC203 TIL therapy in adults with malignant solid tumors. Participants must have had tumor tissue used to produce GC203 TILs and meet specific health criteria, including good performance status and at least one measurable tumor lesion. The study focuses on patients whose disease progressed after standard therapies and are willing to receive the engineered TIL treatment. Outcomes will include safety data and preliminary signals of anti-tumor activity. The trial is conducted at Shenzhen Hospital of Southern Medical University in Shenzhen, China, with Shanghai Juncell Therapeutics as lead sponsor.

Why it matters

Potential benefit: If successful, patients may experience disease control or tumor shrinkage and improved symptoms while awaiting further treatment options.

How similar studies have gone: Other TIL-based therapies have shown safety and some efficacy signals in solid tumors, supporting further exploration of GC203 TIL.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* have one the tumor resection for gene-edited GC203 TIL production and successfully produced;
* Age: 18 years to 75years;
* Histologically diagnosed as solid tumor;
* Expected life-span more than 3 months;
* ECOG score 0-1;
* Test subjects have failed standard treatment regimens, and be willing to receive engineered GC203 TIL therapy;
* At least 1 evaluable tumor lesion;

Exclusion Criteria:

* with other malignant tumors,except for the malignancies that have been cured, have been inactive for ≥5 years prior to study inclusion and have a very low risk of recurrence; Non-melanoma skin cancer or malignant lentigo with adequate treatment and no evidence of disease recurrence; Carcinoma in situ with adequate treatment and no evidence of disease recurrence;
* Need glucocorticoid treatment, and daily dose of Prednisone greater than 10mg(or equivalent doses of hormones) or outoimmune diseases requiring immunomodulatory treatment;
* Breathe indoor air in a quiet state, and the oxygen saturation of finger pulse is \< 95%;
* Human immunodeficiency virus (HIV) infection or anti-HIV antibody positive, active HBV or HCV infection (HBsAg positive and/or anti-HCV positive), syphilis infection or Treponema pallidum antibody positive;
* Significant cardiovascular anomalies

Where it's running

  • Shenzhen Hospital of Southern Medical University
    Shenzhen, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.