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Spots Global Cancer Trial Database for Screening of IDH1 and IDH2 Gene Mutations in Adult Acute Myeloid Leukemia for Possible Targeted Therapy

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Trial Identification

Brief Title: Screening of IDH1 and IDH2 Gene Mutations in Adult Acute Myeloid Leukemia for Possible Targeted Therapy

Official Title: Screening of IDH1 and IDH2 Gene Mutations in Adult Acute Myeloid Leukemia for Possible Targeted Therapy

Study ID: NCT03499912

Interventions

Study Description

Brief Summary: 1. To assess the incidence of IDH1 and IDH2 mutations in adult AML patients, and to explore their associations with the patients' clinical, cytogenetic, and molecular characteristics as well as with treatment response and outcome. 2. To delineate the similarities and distinctions among mutations at IDH1-R132, IDH2-R140 and IDH2-R172 in AML, both clinically and molecularly (including cytogenetics, immunophenotyping, mutation co-occurrence patterns). 3. The results can be references for future selection of targeted therapy (targeting IDH mutant proteins).

Detailed Description: Isocitrate dehydrogenases (IDH) are enzymes that catalyze oxidative decarboxylation of isocitrate into alpha-ketoglutarate (α-KG). IDH1 and IDH2 mutations in AML give the enzymes neomorphic enzymatic activity to transform α-KG to D-2HG, an oncometabolite which acts as a competitive inhibitor of dioxygenases, and causes dysregulation of TET2 and histone demethylases, consequently leading to epigenetic reprogramming of a cell, blocking differentiation and contributing to a transformed phenotype, and leukemogenesis. Investigators plan to recruit 300 adult AML patients (newly diagnosed or relapsed). 10mL of peripheral blood or marrow blood will be obtained from routine practice blood/marrow sampling specimens (no extra venipuncture or bone marrow aspiration would be required) and sent for routine tests such as cytogenetics, immunophenotyping, and gene mutation analyses. IDH1 R132, IDH2 R140, and IDH2 R172 mutations will be screened by PCR followed by Sanger sequencing, as previously described. Investigators will first assess the incidence of IDH1 and IDH2 mutations in adult AML patients, and then explore their associations with the patients' clinical course, cytogenetic, and molecular characteristics as well as with treatment response and outcome. Investigators also seek to delineate the similarities and distinctions among IDH mutation variants at IDH1-R132, IDH2-R140 and IDH2-R172, both clinically and molecularly (including cytogenetics, immunophenotyping, mutation co-occurrence patterns).

Eligibility

Minimum Age: 20 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

National Taiwan University Hospital, Taipei, , Taiwan

Contact Details

Name: Wen-Chien Chou

Affiliation: National Taiwan University Hospital

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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