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Clinico-biological Characterization and Survival of Patients With Adult T-cell Leukemia / Lymphoma (ATL) and Patients Chronically Infected With the HTLV-1 Virus (HTLV-OBS)

Caractérisation Clinico- Biologique et Survie Des Patients Porteurs d'Une lymphoprolifération HTLV-1 Induite (ou Lymphome/leucémie lié au Virus HTLV-1) et Des Patients infectés Par le Virus HTLV-1

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05237245
Acronym
HTLV-OBS
Enrollment
69
Registered
2022-02-14
Start date
2022-03-23
Completion date
2027-03-01
Last updated
2026-03-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HTLV-1 Adult T-cell Lymphoma / Leukemia, HTLV-1 Infection, Lymphoproliferation Induced by HTLV-1

Keywords

Human T-lymphotropic Virus 1, lymphoma, leukemia

Brief summary

The purpose of this study is to evaluate the outcome (survival) of Adult T-cell leukemia / lymphoma (ATL) patients who receive or not specific treatment for their hemopathy (cohort 1) and the outcome (survival) of HTLV-1 chronically infected patients with / without extra-haematological disorders (cohort 2).

Interventions

None listed

Sponsors

Assistance Publique - Hôpitaux de Paris
Lead SponsorOTHER
URC-CIC Paris Descartes Necker Cochin
CollaboratorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 18 years old or older * HTLV-1 infected * T lymphoproliferation induced by HTLV-1 (cohort 1) * without T lymphoproliferation induced by HTLV-1 (cohort 2) * informed and accepted the collection of data

Exclusion criteria

\- Patients refusal of participation

Design outcomes

Primary

MeasureTime frameDescription
Number of survivorsUp to 1 yearfor cohorts 1 and 2

Secondary

MeasureTime frameDescription
Number of survivors at 2 yearsAt 2 yearsfor cohorts 1 and 2
Number of survivors at 5 years5 yearsfor cohorts 1 and 2
HTLV-1 proviral loadday 1for cohorts 1 and 2
viral integration profileday 1for cohorts 1 and 2
lymphocyte phenotyping of tumor cellsday 1for cohorts 1 and 2
genetic analysis of tumor cells by Next-generation sequencing (NGS)day 1for cohorts 1 and 2
number of patients with HTLV-1-related hematological disordersday 1for cohort 1
number of patients with HTLV-1-related extra-hematological disordersday 1for cohort 1
types of ATLday 1According the Shimoyama classification (smoldering, chronic, Acute and Lymphoma) for cohort 1
Treatment linesduring 5 yearsChemotherapy type, number of Chemotherapy cycles, efficacity of Chemotherapy : Number of complete remissions following treatment : for cohort 1
Response to induction therapyduring 5 yearsaccording to established response criteria for ATL for cohort 1
Progression free survival (PFS)during 5 yearsfor cohort 1
relapse-related mortalityduring 5 yearsfor cohort 1
chemotherapy-related mortalityduring 5 yearsfor cohort 1
transplant-related mortalityduring 5 yearsfor cohort 1
Number of serious adverse events according to WHO classification related to treatment receivedduring 5 yearsfor cohort 1
Allograft-specific characteristicduring 5 years(donor type, conditioning type, engraftment, graft-related mortality) for cohort 1
number of progression to ATLat 2 years
Number of progression to ATLAt 5 years
number of patients with HTLV-1-related extrahematological disordersduring 5 years
Number of patients with corticotherapy for extrahematological complicationsduring 5 yearsDose of corticotherapy for extrahematological complications, number of days with corticotherapy for extrahematological complications
Number of Serious adverse events according to WHO classification related to treatment receivedduring 5 years

Countries

France

Contacts

PRINCIPAL_INVESTIGATORAmbroise MARCAIS, MD

Assistance Publique-Hôpitaux Paris

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 26, 2026