All publications of “Ricardo Helman”

3 results

Use of gemtuzumab ozogamycin combined with conventional chemotherapy in patients with acute myeloid leukemia

Guilherme Fleury Perini, Fabio Pires de Souza Santos, Iracema Esteves, Claudia Mac-Donald Bley do Nascimento, Morgani Rodrigues, Reijane Alves de Assis, [...]

DOI: 10.1590/S1679-45082011AO1987

ABSTRACT Objective: To analyze the outcome of patients treated with gemtuzumab ozogamycin combined with conventional therapy treated at Hospital Israelita Albert Einstein. Methods: 14 patients who had high risk features (secondary leukemia, unfavorable cytogenetics, and refractory disease) were treated with gemtuzumab ozogamycin combined with conventional therapy and their outcome was analysed by reviewing their medical records. Results: Overall response rate was 58%, with 43% achieving complete response, with a median follow-up of 11 months, event-free survival was 3 months. Eleven […]

Acute myeloid leukemia: update in diagnosis and treatment in Brazil

Ricardo Helman, Fabio Pires de Souza Santos, Belinda Simões, Elias Hallack Atta, Fernando Callera, Jane de Almeida Dobbin, [...]

DOI: 10.1590/S1679-45082011AO1853

ABSTRACT Objective: To identify how the Brazilian hematology centers treated and diagnosed cases of acute myeloid leukemia in 2009. Methods: An epidemiological observational multicenter study of 11 listed Brazilian centers that treat acute myeloid leukemia and perform bone marrow transplantation. Data were collected from clinical charts of patients with acute myeloid leukemia treated at the said centers between 2005 and 2009. The availability for immunophenotyping and cytogenetic tests was assessed. Results: During 2009, a total of 345 new cases of […]

Incidence of alloimunization in sickle cell disease: experience of a center in São Paulo

Ricardo Helman, Rodolfo Delfini Cançado, Cristina Olivatto

DOI: 10.1590/S1679-45082011AO2003

ABSTRACT Objective: To identify the incidence of alloimmunization in sickle cell disease patients, as well as autoantibodies and the phenotypic profile of these patients for the following erythrocyte antigen groups: Rh, Kell, Kidd, Duffy and MNS. Methods: fifty-seven patients were evaluated during follow-up at the Anemia Outpatient Clinic of Irmandade da Santa Casa de São Paulo, where a search for irregular antibodies and phenotyping was carried out. Results: Patients’ median alloimmunization age in sickle cell disease was 25 years, and […]