Clinical trial · Interventional
Potential Role of CD9 and Implication of Motility Process in Pathogenesis of TEL/ALM1-positive ALL Relapses (LAL TEL/ALM1 and CD9).
NCT01282593CI-TRIAL-00066639LAL TEL/ALM1completedN/AClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Down regulation of CD9 in TEL/AML1-positive ALL is addressed in motility assays to explore its role in B-ALL pathogenesis and its potential implication in relapses (and prognosis).
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Acute Lymphoblastic Leukemia (ALL) | Acute Lymphoblastic Leukemia | CURATED_BROADER | 0.80 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Impact of CD9 expression level on motility assays | Other | — | UNRESOLVED |
| Post-transcriptional regulation of CD9 | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- type
- OTHER
- label
- CD9 expression level
- description
- Impact of CD9 expression level on motility assays
- interventionNames
- Other: Impact of CD9 expression level on motility assays
- Other: Post-transcriptional regulation of CD9
Primary outcomes (1)
- measure
- The potential discriminating state of CD9. - To determine the functional impact of CD9 on motility assays in TEL/AML1-positive blasts - To explore the regulation of the expression of the CD9 transcript inTEL/AML1-positive blasts
- timeFrame
- 3 years
- description
- Due to the importance of the motility process in malignant cells and the role of CD9 in cell motility regulation, we considered the potential discriminating state of CD9. * To determine the functional impact of CD9 on motility assays in TEL/AML1-positive blasts * To explore the regulation of the expression of the CD9 transcript inTEL/AML1-positive blasts
Secondary outcomes (3)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 1 Year
- Maximum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * patients \> 1 year and ≤18 years * with B-ALL diagnosis * registered in Rennes for treatment * written informed consent signed by all patients or their parents or legal guardian Exclusion Criteria: * Refusal to participate * Inherited cytogenetic abnormalities
References
Publications (6)
- RESULTDebaize L, Jakobczyk H, Avner S, Gaudichon J, Rio AG, Serandour AA, Dorsheimer L, Chalmel F, Carroll JS, Zornig M, Rieger MA, Delalande O, Salbert G, Galibert MD, Gandemer V, Troadec MB. Interplay between transcription regulators RUNX1 and FUBP1 activates an enhancer of the oncogene c-KIT and amplifies cell proliferation. Nucleic Acids Res. 2018 Nov 30;46(21):11214-11228. doi: 10.1093/nar/gky756. PMID 30500954
- RESULTArnaud MP, Vallee A, Robert G, Bonneau J, Leroy C, Varin-Blank N, Rio AG, Troadec MB, Galibert MD, Gandemer V. CD9, a key actor in the dissemination of lymphoblastic leukemia, modulating CXCR4-mediated migration via RAC1 signaling. Blood. 2015 Oct 8;126(15):1802-12. doi: 10.1182/blood-2015-02-628560. Epub 2015 Aug 28. PMID 26320102
- RESULTGaudichon J, Jakobczyk H, Debaize L, Cousin E, Galibert MD, Troadec MB, Gandemer V. Mechanisms of extramedullary relapse in acute lymphoblastic leukemia: Reconciling biological concepts and clinical issues. Blood Rev. 2019 Jul;36:40-56. doi: 10.1016/j.blre.2019.04.003. Epub 2019 Apr 17. PMID 31010660
- RESULTRouger-Gaudichon J, Cousin E, Jakobczyk H, Debaize L, Rio AG, Forestier A, Arnaud MP, Villacreces A, Praloran V, Jacamo R, Galibert MD, Troadec MB, Gandemer V. Hypoxia regulates CD9 expression and dissemination of B lymphoblasts. Leuk Res. 2022 Dec;123:106964. doi: 10.1016/j.leukres.2022.106964. Epub 2022 Sep 28. PMID 36335655
- RESULTDebaize L, Jakobczyk H, Rio AG, Gandemer V, Troadec MB. Optimization of proximity ligation assay (PLA) for detection of protein interactions and fusion proteins in non-adherent cells: application to pre-B lymphocytes. Mol Cytogenet. 2017 Jul 20;10:27. doi: 10.1186/s13039-017-0328-2. eCollection 2017. PMID 28736577
- RESULTJakobczyk H, Debaize L, Soubise B, Avner S, Rouger-Gaudichon J, Commet S, Jiang Y, Serandour AA, Rio AG, Carroll JS, Wichmann C, Lie-A-Ling M, Lacaud G, Corcos L, Salbert G, Galibert MD, Gandemer V, Troadec MB. Reduction of RUNX1 transcription factor activity by a CBFA2T3-mimicking peptide: application to B cell precursor acute lymphoblastic leukemia. J Hematol Oncol. 2021 Mar 20;14(1):47. doi: 10.1186/s13045-021-01051-z.