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
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 235 (estimated) |
| Sponsor | Alentis Therapeutics AG Industry-sponsored |
| Drugs / interventions | pembrolizumab |
| Locations | 41 sites (Scottsdale, Arizona and 40 other locations) |
| Status | Recruiting |
| Started | December 16, 2024 |
| Main results expected | February 15, 2028 |
| Study ends | August 15, 2028 |
| Registry record updated | October 28, 2026 |
| Trial ID | NCT06747585 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
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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
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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
- Study coordinator: Alentis Clinical Trial Contact
- Email: patientinfo@alentis.ch
- Phone: +41782304288
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ALE.P03 alone for adults with advanced CLDN1-positive solid tumors
This trial tests whether ALE.P03 given alone is safe and can shrink tumors in adults with advanced CLDN1-positive cancers who have already tried standard treatments.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.