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Clinical Trials/NCT02842333
NCT02842333CompletedNot Applicable

Study of Predictive Immunological Parameters of Molecular Complete Remission in Patients With Chronic Myelogenous Leukemia in Chronic Phase and Treated With Tyrosine Kinase Inhibitor

Centre Hospitalier Universitaire de Besancon4 sites in 1 country57 target enrollmentStarted: May 1, 2016Last updated:
Conditions
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Completed
Enrollment
57
Locations
4
Primary Endpoint
UCP-specific Th1 responses measured by ELISPOT assay

Study Overview

Brief Summary

The investigators recently identified promiscuous HLA-DR-derived epitopes from the human telomerase reverse transcriptase (TERT) called universal cancer peptides (UCP), to study tumor-specific CD4+ T cell responses.

The aim of this prospective preliminary study is to evaluate the presence of UCP-specific Th1 responses in patients in complete remission of CML two years after end of Tyrosine Kinase Inhibitor (TKi) treatments.

Study Design

Study Type
Interventional
Allocation
Na
Intervention Model
Single Group
Primary Purpose
Other
Masking
None

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •For cohort A :
  • •patient with chronic myelogenous leukemia in chronic phase in deep molecular response (MR4.0) persistent for 2 years or more after end of TKi treatments
  • •patient with total cessation of TKi treatment
  • •signed written informed consent
  • •For cohort B :
  • •patient with chronic myelogenous leukemia in chronic phase, for whom a diagnosis of relapse was increased 1 year or less after stopping treatment with TKIs (inclusion of patient under TKi treatment after relapse is possible).
  • •signed written informed consent

Exclusion Criteria

  • •(for all patients) :
  • •patients under chronic treatment with systemic corticoids or other immunosuppressive drugs (corticoids ≤ 10 mg/day is allowed)
  • •active autoimmune diseases, HIV, hepatitis C or B virus
  • •patient with any medical or psychiatric condition or disease which would make the patient inappropriate for entry into this study.
  • •patient under guardianship, curator or under the protection of justice.

Arms & Interventions

Additional biological samples

Experimental

Blood samples will be realized at inclusion and 6 months after inclusion (optional).

Peripheral Blood Mononuclear Cells (PBMC) will be collected.

Intervention: Additional biological samples (Other)

Outcomes

Primary Outcomes

UCP-specific Th1 responses measured by ELISPOT assay

Time Frame: at inclusion

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (4)

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