Evaluating ARC101 for advanced solid tumors

A Phase 1 Study of ARC101 in Advanced Solid Tumors

Phase 1 Interventional Third Arc Bio · NCT06672185

This study is testing a new treatment called ARC101 to see if it is safe and effective for people with advanced solid tumors, like ovarian and testicular cancers, that have a specific marker.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment70 (estimated)
Ages18 Years and up
SexAll
SponsorThird Arc Bio Industry-sponsored
Locations12 sites (Boston, Massachusetts and 11 other locations)
Trial IDNCT06672185 on ClinicalTrials.gov

What this trial studies

This first-in-human trial aims to assess the safety, tolerability, pharmacokinetics, and antitumor activity of ARC101 in patients with advanced solid tumors, including ovarian and testicular cancers that express Claudin 6. The study will enroll participants with measurable or evaluable disease and will monitor their response to the treatment. The trial will follow a Phase 1 design, focusing on determining the appropriate dosage and identifying any potential side effects.

Who should consider this trial

Good fit: Ideal candidates include patients with locally advanced or metastatic solid tumors that are Claudin 6 positive and have an ECOG performance status of 0-1.

Not a fit: Patients with active CNS involvement, other malignancies within the past two years, or significant pulmonary compromise 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.

How similar studies have performed: While this approach is novel, similar studies targeting Claudin 6 in cancer have shown promise in early phases.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Locally advanced or metastatic solid tumor ovarian, testicular or other Claudin 6+ cancers
* Measurable or evaluable disease, per RECIST v1.1
* Eastern Cooperative Oncology Group (ECOG) performance status 0-1
* Adequate organ function

Exclusion Criteria:

* Active CNS involvement
* Malignancy diagnosis other than the disease under study within 2 years prior to the first dose of study drug.
* Presence of uncontrolled ascites
* Toxicity related to prior anticancer therapy that has not returned to Grade ≤1 or baseline levels
* Clinically significant pulmonary compromise
* Active autoimmune disease within 12 months prior to first dose of study drug.
* Female participant who is pregnant, breastfeeding, or plans to become pregnant or male participant who plans to father a child either while enrolled or within 90 days after the final administration of study drug.

Where this trial is running

Boston, Massachusetts and 11 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 Tumor
Last reviewed 2026-06-09 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.