Phase III Randomized Study of Poloxamer 188 for Vaso-Occlusive Crisis of Sickle Cell Disease
poloxamer 188
Anemia+10
+ Anemia Hemolítica
+ Anemia congénita hemolítica
Estudio de Tratamiento
Resumen
Fecha de inicio: 1 de noviembre de 1997
Fecha en la que se inscribió al primer participante.PROTOCOL OUTLINE: This is a randomized, double blind, placebo controlled, multicenter study. Patients are stratified according to hydroxyurea use. Patients are randomized to treatment poloxamer 188 or placebo. Treatment begins within 12 hours of presentation with crisis. Patients receive poloxamer 188 or placebo by continuous infusion for 48 hours. Pain is assessed before, during, and after treatment. Patients are followed on days 7-14 and 28-35.
Protocolo
Esta sección proporciona detalles del plan del estudio, incluyendo cómo está diseñado y qué se está evaluando.Se reclutarán 300 pacientes
Número total de participantes que el ensayo clínico espera reclutar.Estudio de Tratamiento
Elegibilidad
Los investigadores buscan pacientes que cumplan ciertos criterios, conocidos como criterios de elegibilidad: estado general de salud o tratamientos previos.Cualquier sexo
Sexo biológico de los participantes elegibles para inscribirse.De 10 a 65 años
Rango de edades de los participantes que pueden unirse al estudio.Voluntarios sanos no permitidos
Indica si personas sanas, sin la condición que se estudia, pueden participar.Condiciones
Patología
Criterios
PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- Sickle cell disease confirmed by electrophoresis or high pressure liquid chromatography At least one prior documented painful crisis episode but no greater than 10 crises per year for the last two years Sudden onset of acute pain lasting 4-12 hours and involving at least one site Severe crisis pain that requires parenteral analgesics and hospitalization, but not within the preceding 2 weeks --Prior/Concurrent Therapy-- Surgery: At least 2 weeks since prior major surgery No concurrent surgery Other: At least 2 weeks since prior puncture of noncompressible vessels No prior therapy using poloxamer 188 No concurrent investigational drug No concurrent use of nonsteroidal anti-inflammatory drugs --Patient Characteristics-- Hematopoietic: No significant bleeding or bleeding disorder Hepatic: ALT no greater than 2 times normal Renal: No active renal disease Creatinine no greater than 1.0 mg/dL OR Creatinine clearance greater than 50 mL/min Protein less than 300 mg/dL Cardiovascular: No evidence of acute myocardial ischemia or infarction Neurologic: At least 6 months since prior cerebrovascular accident or seizure Other: Not pregnant Fertile patients must use effective contraception during and for at least 30 days after treatment No history of chronic bacterial osteomyelitis No history of drug or alcohol abuse At least 6 months since prior use of illicit drug Have adequate IV access No crisis with life-threatening complications such as: Hepatic or splenic sequestration Acute chest syndrome Aplastic crisis No known infection or infection with encapsulated organism No evidence of septic shock Not concurrently hospitalized for other conditions Not concurrently on hypertransfusion program