Autologous Dendritic Cell Vaccine Therapy Targeting HTLV-1 Specific Antigen for Adult T-Cell Leukemia/Lymphoma

Phase 2

Recruiting

• Conditions: Adult T-Cell Leukemia/Lymphoma; D015459

• Registration Number: JPRN-jRCT2073210013
• Lead Sponsor: Suehiro Youko

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-04-20
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 34

Inclusion Criteria

(1) Pre-treated ATL patient with following criterias
1) PR or better results with the pretreatment
2) ATL in acute type lymphoma type, or chronic type with unfaborable prognostic factors
3) Pre-treatment of chemo therapy and/or radio therapy
4) no nessecity of having target lesion (mesurable mass, ATL cells in peripheral blood, or skin lesion)
(2) Positive for any of HLA-A*0201, *2402, *1101, or *0207
(3) 20 years old and over
(4) No recurrence has been confirmed for at least four weeks after previous therapy (chemo therapy and/ or radio therapy)
(5) ECOG performance status 0 or 1
(6) Meet the following criteria for organ function
serum-Cr < 2.0 mg/dL.
AST, ALT < 3 X ULN value,
(7) Negative for hepatitis B antigen, anti-hepatitis C antibody, anti-HIV antibody, anti-HTLV-1 antibody and syphilis serodiagnosis
(8) Writtenn consent for participation to this study

Exclusion Criteria

(1) Patients with severe complications: cardiovascular disorders, respiratory disorders, renal dysfunction, immunodeficiency, hematological disorders, autoimmune diseases.
(2) Patients who receive systemic administration of steroid or immunosuppressive agents.
(3) Patients with severe active infectious disease (except for HTLV-1 infection)
(4) Patiients with allogeneic transplantation have been carried out or scheduled.
(5) Patients with severe allergy and/ or drug hypersensitivity. Patients with a history of shock due to benzylpenicillin.
(6) Presence of active central nervous system lesion
(7) Pregnant, lactating, or possiblly pregnant women, or willing to be pregnant
(8) Severe psychiatric disorder
(9) History of HAM/TSP
(10) Active multiple cancers
(11) Inappropriate for study entry judged by an attending physician

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Progression Free Survival

Secondary Outcome Measures

Name	Time	Method
Safety and tolerability<br>Effectiveness