Testing TORL-1-23 in patients with advanced cancer

A Phase 1, First in Human, Dose-Escalation Study of TORL-1-23 in Participants With Advanced Cancer

PHASE1 · TORL Biotherapeutics, LLC · NCT05103683

This study is testing a new treatment called TORL-1-23 to see if it can help people with advanced cancers like ovarian, endometrial, and lung cancer feel better and fight their disease.

Quick facts

PhasePHASE1
Study typeInterventional
Enrollment90 (estimated)
Ages18 Years and up
SexAll
SponsorTORL Biotherapeutics, LLC (industry)
Locations14 sites (Fullerton, California and 13 other locations)
Trial IDNCT05103683 on ClinicalTrials.gov

What this trial studies

This first-in-human study evaluates the safety, tolerability, pharmacokinetics, and antitumor activity of a new treatment called TORL-1-23 in patients with advanced solid tumors, including ovarian cancer, endometrial cancer, and non-small cell lung cancer (NSCLC). Participants must have measurable disease and adequate organ function, and they will be monitored for any adverse effects and treatment efficacy. The study aims to gather crucial data on how this new therapy performs in a clinical setting.

Who should consider this trial

Good fit: Ideal candidates for this study are adults with advanced solid tumors who have measurable disease and meet specific health criteria.

Not a fit: Patients with uncontrolled medical conditions, recent cancer treatments, or certain histories of cancer 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 cancers that currently have limited treatment options.

How similar studies have performed: While this is a first-in-human study, similar approaches targeting claudin proteins have shown promise in other studies, indicating potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Advanced solid tumor
* Measurable disease, per RECIST v1.1
* Eastern Cooperative Oncology Group (ECOG) performance status 0-1
* Adequate organ function

Exclusion Criteria:

* Has not recovered \[recovery is defined as NCI CTCAE, version 5.0, grade ≤1\] from the acute toxicities of previous therapy, except treatment-related alopecia or laboratory abnormalities otherwise meeting eligibility requirements
* Received prior chemotherapeutic, investigational, or other therapies for the treatment of cancer within 14 days with small molecule and within 28 days with biologic before the first dose of TORL-1-23
* Progressive or symptomatic brain metastases
* Serious, uncontrolled medical disorder, nonmalignant systemic disease, or active, uncontrolled infection
* History of significant cardiac disease
* History of myelodysplastic syndrome (MDS) or AML
* History of another cancer within 3 years before Day 1 of study treatment, with the exception of basal or squamous cell carcinoma of the skin that has been definitively treated. A history of other malignancies with a low risk of recurrence, including appropriately treated ductal carcinoma in situ (DCIS) of the breast and prostate cancer with a Gleason score less than or equal to 6, are also not excluded
* If female, is pregnant or breastfeeding

Where this trial is running

Fullerton, California and 13 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.

View on ClinicalTrials.gov →

Conditions: Advanced Solid Tumor, Ovarian Cancer, Endometrial Cancer, NSCLC, claudin6

Last reviewed 2026-05-15 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.