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Vol. 114. Issue 4.
Pages 128-131 (January 2000)
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Vol. 114. Issue 4.
Pages 128-131 (January 2000)
Originales
Trasplante de células progenitoras hematopoyéticas como tratamiento de rescate en pacientes con linfomas no hodgkinianos agresivos
Hematopoietic stem cell transplantation as salvage treatment in patients with aggresive non-Hodgkin's lymphoma
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Reyes Arranz
Corresponding author
rarranzs@aehh.org

Correspondencia: Servicio de Hematología. Hospital Universitario de la Princesa. Diego de León, 62. 28006 Madrid.
, César Sanz-Rodríguez, Francisco J. Pajuelo, Carmen Martínez Chamorro, José Ma Fernández Rañada.
Anatomía Patológica del Hospital Universitario de la Princesa. Leganés. Madrid
Agustín Acevedoa, Guillermo Pérezb
a Servicios de Hematología Leganés. Madrid
b Servicio de Hematología del Hospital Severo Ochoa. Leganés. Madrid
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Fundamento

La realizacion precoz del trasplante de celulas progenitoras hematopoyeticas (TPH)en pacientes con linfomas no hodgkinianos (LNH) agresivos es una indicacion controvertida.

Metodos

Analisis retrospectivo de 86 pacientes con LNH agresivos tratados con quimioterapiaMACOP/VACOP-B. El TPH se utilizo como tratamiento de rescate en pacientes con edad inferioro igual a 65 anos con progresion o recaida quimiosensible. Se determinaron las supervivenciaslibre de progresion (SLP) y global (SG) con el metodo de Kaplan-Meier. Se compararon losporcentajes de respuesta y las funciones de supervivencia entre los grupos del Indice PronosticoInternacional (IPI) mediante las pruebas χ2 y log-rank, respectivamente

Resultados

La mediana de edad de los pacientes fue de 48 anos. El 22% tenian LNH-T y el57% tenian IPI de intermedio-alto y alto riesgo. Hubo 6 muertes por toxicidad (7%), y 42(48,8%) pacientes fracasaron al tratamiento de primera linea. De ellos, 31 fueron candidatos aTPH por edad inferior o igual a 65 anos, aunque finalmente se trasplantaron 21 (incluyendo13 de mayor riesgo). Se observo una asociacion estadisticamente significativa entre la SLP y elIPI: 61,9% para los grupos bajo y bajo-intermedio (menor riesgo) frente al 28,2% para los demayor riesgo (p = 0,0007). Con una mediana de seguimiento de 4,8 anos, la SG fue del80,5% para los grupos de menor riesgo frente al 52,6% (p = 0,01) para los de mayor riesgo, ydel 83,7% frente al 62,0% (p = 0,02) para los mismos grupos en pacientes con edad inferior oigual a 65 anos. La mediana de seguimiento posfracaso del tratamiento quimioterapico fue de42,7 meses.

Conclusiones

En este analisis retrospectivo la SG de los pacientes con LNH agresivos utilizandoel TPH como tratamiento de rescate es similar a la comunicada utilizando el TPH mas precozmente.

Palabras clave:
Linfoma no hodgkiniano
Trasplante de células progenitoras hematopoyéticas
Quimioterapia
Quimioterapia MACOP/UACOP-B
Background

The indication of early hematopoietic stem cell transplantation (HSCT) in patientswith aggressive non-Hodgkin's lymphoma (LNH) is controversial.

Patients and methods

Retrospective analysis of 86 patients with aggressive NHL treated withMACOP/VACOP-B chemotherapy. HSCT was performed as salvage treatment to patients under65 years of age with proggressive disease or chemosensitive relapse. Progression free survival(PFS) and overall survival (OS) were determined by the Kaplan-Meier method. Rates of responseand survival functions were compared between the International Prognostic Index (IPI)groups using the Chi-square and log-rank tests, respectively.

Results

Patients median age was 48 years; 22% had T cell NHL and 57% had intermediatehighand high risk (high risk) IPI. There were 6 toxic deaths (7%), and treatment failure wasobserved in 42 patients (48.8%). Thirty one of them were candidates for TPH due to age under65 years, although 21 were finally transplanted (including 13 with high risk IPI). A significantassociation between PFS and IPI was observed, 61.9% for low risk (low and low-intermediate)versus 28.2% for high risk groups (p = 0.0007). With a median follow up of 4.8 years, OS was64%; 80.5% for low risk versus 52.6% for high risk IPI groups (p = 0.01), and 83.7% versus62% for the same groups in patients under 65 years of age (p = 0.02). The median follow upafter failure to chemotherapy was 42.7 months.

Conclusions

In this retrospective study, OS rate in high risk IPI patients with NHL using HSCTas salvage treatment is similar to that reported using HSCT during earlier phases of treatment.

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