Clinical lymphoma, myeloma & leukemia · 2019
Tolerability and Efficacy of Treatment With Azacytidine as Prophylactic or Preemptive Therapy for Myeloid Neoplasms After Allogeneic Stem Cell Transplantation.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Marini Carolina, Brissot Eolia, Bazarbachi Abdulhamid, Duléry Rémy, Sestili Simona, Battipaglia Giorgia, Médiavilla Clémence, Paviglianiti Annalisa, Belhocine Ramdane, Isnard Francoise, Lapusan Simona, Adaeva Rosa, Bannet Anne, van de Wiegert Zoé, Vekhoff Anne, Ledraa Tounes, Legrand Ollivier, Labopin Myriam, Bonnin Agnes, Ruggeri Annalisa, Malard Florent, Mohty Mohamad
Аннотация
INTRODUCTION/BACKGROUND: Azacytidine (AZA) has been used as a promising treatment for relapse after allogeneic transplantation. A clear benefit has been demonstrated when treating patients with a reduced disease burden, thus a prophylactic and preemptive approach to these patients has emerged.
MATERIALS AND METHODS: We retrospectively analyzed patients with myeloid malignancies treated with azacytidine in the posttransplantation setting between September 2013 and April 2018 in a single tertiary care hospital. Of 32 patients analyzed, 21 were treated for prophylactic use and 11 preemptively, with a median follow-up of 20 months. Prophylactic treatment consisted of AZA at 32 mg/m2 for 5 days every 28 days, and preemptive treatment of AZA 75 mg/m2 for 5 or 7 days per cycle. In addition, 10 patients received one or more donor lymphocyte infusions (DLIs). Two patients presented with infectious complications demanding hospitalization, and 13 patients (10 in the prophylactic group and 3 in the preemptive group) presented graft-versus-host disease (GvHD). Of patients who had GvHD, 3 needed treatment discontinuation. Overall, 12 patients suspended treatment, 8 for disease progression and 1 due to patient request.
RESULTS: In the prophylactic group, all patients are alive at 1 year with an event-free survival (EFS) of 95%, as only 1 patient relapsed. In the preemptive group, 1-year EFS was 54% and 1-year overall survival was 82%.
CONCLUSION: Low-dose AZA in posttransplantation patients with myeloid neoplasms is a well-tolerated therapy with the potential to prevent relapse and maintain stable remissions. Randomized prospective trials are needed to determine patient selection and dosage, timing, and duration of treatment.
MATERIALS AND METHODS: We retrospectively analyzed patients with myeloid malignancies treated with azacytidine in the posttransplantation setting between September 2013 and April 2018 in a single tertiary care hospital. Of 32 patients analyzed, 21 were treated for prophylactic use and 11 preemptively, with a median follow-up of 20 months. Prophylactic treatment consisted of AZA at 32 mg/m2 for 5 days every 28 days, and preemptive treatment of AZA 75 mg/m2 for 5 or 7 days per cycle. In addition, 10 patients received one or more donor lymphocyte infusions (DLIs). Two patients presented with infectious complications demanding hospitalization, and 13 patients (10 in the prophylactic group and 3 in the preemptive group) presented graft-versus-host disease (GvHD). Of patients who had GvHD, 3 needed treatment discontinuation. Overall, 12 patients suspended treatment, 8 for disease progression and 1 due to patient request.
RESULTS: In the prophylactic group, all patients are alive at 1 year with an event-free survival (EFS) of 95%, as only 1 patient relapsed. In the preemptive group, 1-year EFS was 54% and 1-year overall survival was 82%.
CONCLUSION: Low-dose AZA in posttransplantation patients with myeloid neoplasms is a well-tolerated therapy with the potential to prevent relapse and maintain stable remissions. Randomized prospective trials are needed to determine patient selection and dosage, timing, and duration of treatment.