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Outcome and Toxicities of Modified Augmented Berlin-Frankfurt-Muenster (ABFM) Therapy Used in the Treatment of Acute Lymphoblastic Leukemia in Adolescent and Young Adult Patients, Single Center Experience From Saudi Arabia

Abstract ▪3569▪This icon denotes a clinically relevant abstract Acute lymphoblastic leukemia (ALL) is a neoplasm of precursor lymphoid cells known as lymphoblasts. ALL is the most common cancer in children. The prognosis among Adolescents and young adults (AYA) is intermediate between children, who...

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Published in:Blood 2012-11, Vol.120 (21), p.3569-3569
Main Authors: Radi, Suhaib, Merdad, Anas, Al-Dabbagh, Mona, Absi, Ahmed Almohanad, Alsaeed, Ahmad, El-Hemaidi, Ihab
Format: Article
Language:English
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Summary:Abstract ▪3569▪This icon denotes a clinically relevant abstract Acute lymphoblastic leukemia (ALL) is a neoplasm of precursor lymphoid cells known as lymphoblasts. ALL is the most common cancer in children. The prognosis among Adolescents and young adults (AYA) is intermediate between children, who have a very good prognosis with a 5-year survival rate of 80%, and adults, who have a worse prognosis with an overall survival of about 30–50%. We found no studies in Saudi Arabia which assessed the use of a Berlin-Frankfurt-Muenster (BFM) to treat patients in the AYA group. The purpose of this study is to measure the outcome and toxicities of the BFM protocol used in treatment of ALL patients in the AYA population seeking treatment at Princess Noorah Oncology Center (PNOC), at the National Guard Hospital, Jeddah, Saudi Arabia. PNOC is a tertiary referral center for the Western region of the Kingdom of Saudi Arabia. Patients referred between the ages of 14 to 25 were treated according to an augmented modified version of the Berlin-Frankfurt-Muenster (BFM) protocol. Patients’ treatments were based on risk factor stratification. High risk category was identified based on the presence of one of following factors: phenotype of the leukemia (i.e. T-cell ALL is considered high risk), lack of response to therapy on day 29 of induction, cytogenetics, presence of extramedullary disease e.g. testicular or CNS disease and whether they have received steroid treatment prior to the first diagnostic marrow. High risk group was treated with doubled blocks of interim maintenance, delayed intensification the first of delayed intensification blocks included a high dose methotrexate at the dose of 5g/m2 which was first started at our center in 2008. This study is a retrospective chart review. Patients who met the inclusion criteria within the last five years were included. The inclusion criteria were those with confirmed ALL (excluding mature B cell phenotype) aged between 14 to 25 years, and were treated with the Modified Augmented Berlin-Frankfurt-Muenster (ABFM) therapy protocol. 45 patients were indentified who fulfilled the above criteria 4 were excluded due to the lack of data and loss to follow up. Data were analyzed using SPSS version 19. The mean age of 41 patients treated was 16.4 years (range; 14 – 25 years). Of 41 patients treated, 23 (56%) were males. Only one patient (2%) had CNS involvement at presentation. B cell ALL compromised 61% of the patients while 39% were T
ISSN:0006-4971
1528-0020
DOI:10.1182/blood.V120.21.3569.3569