Clinical trial Recruiting at 39 sites Phase1; Phase2 Interventional Ages 18 and up

Investigating ALE.P02 for treating specific solid tumors in adults

Official title: A Phase I/II, Open-Label, Multicenter Study of ALE.P02 (Claudin-1 Targeted Antibody-Drug Conjugate) as a Monotherapy or in Combination With Pembrolizumab (Anti-PD-1 Antibody) in Adult Patients With Selected Advanced or Metastatic CLDN1+Squamous Solid Tumors

Run by Alentis Therapeutics AG · NCT06747585 · Data updated 2026-11-12

This study is testing a new treatment called ALE.P02 to see if it can safely help adults with advanced solid tumors that have a specific marker called Claudin-1.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment235 (estimated)
SponsorAlentis Therapeutics AG
Industry-sponsored
Drugs / interventionspembrolizumab
Locations41 sites (Scottsdale, Arizona and 40 other locations)
StatusRecruiting
StartedDecember 16, 2024
Main results expectedFebruary 15, 2028
Study endsAugust 15, 2028
Registry record updatedOctober 28, 2026
Trial IDNCT06747585 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with advanced or metastatic squamous solid tumors that are Claudin-1 positive and have previously received standard treatments.

Probably not a fit

Patients with predominantly non-squamous histology cancers or those who have not received prior systemic treatment may not benefit from this study.

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

What this trial studies

This study evaluates the safety and effectiveness of ALE.P02, a targeted antibody-drug conjugate, as a monotherapy for adult patients with advanced or metastatic Claudin-1 positive solid tumors, including various types of squamous cell carcinomas. It consists of a Phase I dose escalation to determine the recommended Phase II dose and a subsequent Phase II study to assess its anti-tumor activity. Patients will be monitored for pharmacokinetics, pharmacodynamics, and overall tolerability throughout the trial.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with difficult-to-treat squamous solid tumors.

How similar studies have gone: Other studies using targeted therapies for similar cancer types have shown promising results, indicating potential for success with this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have disease and treatment history as: histologically or cytologically confirmed advanced locally recurrent and inoperable or metastatic SqNSCLC, HNSCC (nasopharyngeal cancer included), ESCC or CSCC.
* Phase I Dose Escalation: Have received at least one systemic standard of care regimen and being refractory or intolerant to the treatment.
* Phase I Monotherapy RDE and Phase II: Have received no more than 2 lines of systemic standard of care regimen and being refractory or intolerant to the treatment.
* Phase I Combination Therapy RDE: Have received no previous systemic therapy in incurable recurrent or metastatic setting
* Have provided tissue for CLDN1 analysis in a central laboratory.
* Have a performance status of 0 or 1 on the Eastern Cooperative Oncology Group Performance Scale.
* Demonstrate adequate bone marrow and organ function.
* Patients must have recovered from all toxicities led by prior treatment.
* Have measurable disease based on RECIST 1.1 as determined by the site.

Exclusion Criteria:

* Diagnosed with cancers of predominantly non-squamous histology (eg, adenosquamous carcinoma) or adenocarcinoma.
* Has received antineoplastic therapies prior to study intervention within specified time frame.
* Has rapidly progressing disease (eg, tumor bleeding, uncontrolled tumor pain).
* Patients with uncontrolled diabetes.
* Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
* Has clinically significant gastrointestinal bleeding and has an active infection requiring systemic treatment and has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the clinical study, interfere with the patient's participation for the full duration of the clinical study, or is not in the best interest of the patient to participate.
* Concomitant use of drugs that are known to prolong or shorten QT and/or have known risk of Torsades de Pointes.

Where it's running

  • Mayo Foundation for Medical Education and Research - Mayo Cl
    Scottsdale, Arizona, United States
    Recruiting
  • Providence Medical Foundation
    Fullerton, California, United States
    Recruiting
  • USC Norris Comprehensive Cancer Center
    Los Angeles, California, United States
    Recruiting
  • The University of Chicago Medical Center - Oncology
    Chicago, Illinois, United States
    Recruiting
  • Hackensack University Medical Center
    Hackensack, New Jersey, United States
    Recruiting
  • NEXT Oncology Virginia
    Fairfax, Virginia, United States
    Recruiting
Show 35 more locations
  • Institut Bergonie
    Bordeaux, France
    Recruiting
  • Centre Georges Francois Leclerc - Oncologie Medicale
    Dijon, France
    Recruiting
  • CHRU De Lille- Hôpital Claude Huriez - Medical Oncology
    Lille, France
    Recruiting
  • AP-HM Hôpital de La Timone CEPCM
    Marseille, France
    Recruiting
  • Centre Hospitalier Universitaire (CHU) de Toulouse - IUCT Oncopole
    Toulouse, France
    Recruiting
  • Institut Gustave Roussy
    Villejuif, France
    Recruiting
  • Chinese University of Hong Kong - Prince of Wales Hospital
    Shatin, N.t., Hong Kong
    Recruiting
  • Istituto Clinico Humanitas
    Milan, Italy
    Recruiting
  • Ospedale San Raffaele, IRCCS
    Milan, Italy
    Recruiting
  • Istituto Nazionale del Tumori, Fondazione IRCCS
    Milan, Italy
    Recruiting
  • IEO - Istituto Europeo di Oncologia, IRCCS
    Milan, Italy
    Recruiting
  • Ospedale Santa Maria delle Croci di Ravenna Oncologia
    Ravenna, Italy
    Recruiting
  • PU A. Gemelli, Universita Cattolica del Sacro Cuore
    Roma, Italy
    Recruiting
  • Centro Ricerche Cliniche Verona
    Verona, Italy
    Recruiting
  • National University Cancer Institue
    Singapore, South West, Singapore
    Recruiting
  • National Cancer Centre Singapore
    Singapore, South West, Singapore
    Recruiting
  • National Cancer Center
    Goyang-si, South Korea
    Recruiting
  • Seoul National University Hospital
    Seoul, South Korea
    Recruiting
  • Severance Hospital, Yonsei University Health System
    Seoul, South Korea
    Recruiting
  • Asan Medical Center - Oncology
    Seoul, South Korea
    Recruiting
  • START Madrid- Centro Integral Oncologico Clara Campal
    PAU de Sanchinarro, Madrid, Spain
    Recruiting
  • Hospital Universitario Quironsalud Madrid
    Pozuelo de Alarcón, Madrid, Spain
    Recruiting
  • NEXT Oncology Barcelona
    Barcelona, Spain
    Recruiting
  • Hospital Universitari Vall D Hebron
    Barcelona, Spain
    Recruiting
  • START Hospital HM Nou Delfos
    Barcelona, Spain
    Recruiting
  • Hospital Universitario 12 de Octubre
    Madrid, Spain
    Recruiting
  • Hospital Universitario Virgen De La Victoria
    Málaga, Spain
    Recruiting
  • Hospital Universitario Virgen De La Macarena
    Seville, Spain
    Recruiting
  • Hospital Universitario Y Politécnico La Fe
    Valencia, Spain
    Recruiting
  • Changhua Christian Medical Foundation Changhua Christian Hospital
    Changhua, Taiwan
    Recruiting
  • Changhua Christian Medical Foundation Changhua Christian Hospital
    Changhua, Taiwan
    Recruiting
  • National Taiwan University Hospital
    Taipei, Taiwan
    Recruiting
  • Buddihist Tzu Chi Medical Foundation - Taipei Tzu Chi Hospital
    Taipei, Taiwan
    Recruiting
  • Yale Comprehensive Cancer Center
    New Haven, Connecticut, United States
    Withdrawn
  • Norton Cancer Institue Downtown
    Louisville, Kentucky, United States
    Withdrawn

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.