Actively Recruiting

Phase 1
Age: 2Years +
All Genders
NCT05679895

Safety and Efficacy of OC-1 Therapy in Patients With R/R T-ALL/LL

Led by OneChain Immunotherapeutics · Updated on 2026-03-11

20

Participants Needed

2

Research Sites

252 weeks

Total Duration

On this page

Sponsors

O

OneChain Immunotherapeutics

Lead Sponsor

B

BioClever 2005 S.L.

Collaborating Sponsor

AI-Summary

What this Trial Is About

First in humans, exploratory, open-label, single-arm, multicentre, non-competitive, dose escalation study to assess the safety and efficacy of CD1a-CAR T therapy in patients with relapsed/refractory (R/R) T-cell acute lymphoblastic leukemia/lymphoma (T-ALL/LL)

CONDITIONS

Official Title

Safety and Efficacy of OC-1 Therapy in Patients With R/R T-ALL/LL

Who Can Participate

Age: 2Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Children aged 2 years or older or adults, male and female.
  • Patients must have 20% or more CD1a antigen expression on cancer cells confirmed by flow cytometry or histology.
  • Patients with relapsed or refractory CD1a-positive T-ALL/LL, including failure to achieve remission after at least two chemotherapy cycles, first or subsequent relapse after standard therapy, relapse after stem cell transplant, or primary refractoriness.
  • Patients without reproductive capacity or willing to use effective contraception during the study.
Not Eligible

You will not qualify if you...

  • Uncontrolled organ dysfunction such as heart (ejection fraction <45%), lung, liver, kidney, or central nervous system problems.
  • Stem cell transplant within the last 3 months or ongoing immunosuppressive treatment for graft versus host disease.
  • Uncontrolled epilepsy or severe central nervous system disease.
  • Active uncontrolled infections including bacterial, fungal, or viral.
  • Known HIV, active hepatitis B or C infection.
  • Pregnant or breastfeeding women.
  • Severe illness or medical condition preventing protocol management.
  • Serious autoimmune or immunodeficiency diseases.
  • Participation in another experimental drug trial within 6 weeks before infusion.
  • Other uncontrolled cancers.

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 2 locations

1

Hospital Clínic

Barcelona, Spain

Actively Recruiting

2

Hospital Sant Joan de Déu

Barcelona, Spain

Actively Recruiting

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Research Team

W

Wilmar Castillo

CONTACT

L

Laura Astier

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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Safety and Efficacy of OC-1 Therapy in Patients With R/R T-ALL/LL | DecenTrialz