Pre-emptive rituximab (pRTX) might represent an effective approach for patients with follicular (FL) and mantle cell lymphoma (MCL) experiencing molecular relapse (M-rel). However, available experience is still limited. We retrospectively collected FL and MCL cases that underwent pRTX with four weekly rituximab infusions (375 mg/m2) due to molecular persistence or M-rel. M-rel was assessed using nested polymerase chain reaction (PCR) and real-time quantitative PCR using the Bcl-1/IGH, Bcl-2/IGH or the immunoglobulin heavy chain rearrangement. Twenty-three occurrences of M-rel or persistence were treated in 18 patients (nine MCL and nine FL). The pRTX reinduced molecular remission (MR) in 17/23 cases (7/9 FL and 10/14 MCL). The median time to MR reinduction was 4.5 months (range 3-12), and the median duration of the first MR reinduction was 34 months (range 12-72). In five MCL cases, pRTX was used to treat subsequent M-rels, with success in four cases. No clinical relapses were seen within 2 years of successful reinduction of MR. Progression-free survival after pRTX was 64 % at a median follow-up of 6 years. pRTX was feasible and safe and effectively reinduced MR in FL and MCL patients (74 %). Prospective trials are needed to verify the clinical benefit of similar approaches.
Rituximab-based pre-emptive treatment of molecular relapse in follicular and mantle cell lymphoma / S. Ferrero, L. Monitillo, B. Mantoan, D. Barbero, E. Genuardi, S. Barbiero, E. Bernocco, D. Caracciolo, M. Ruella, D. Drandi, M. Zanni, F. Renna, C. Lobetti Bodoni, A. Gueli, R. Passera, P. Musto, M. Boccadoro, C. Tarella, M. Ladetto. - In: ANNALS OF HEMATOLOGY. - ISSN 0939-5555. - 92:11(2013), pp. 1503-1511. [10.1007/s00277-013-1797-y]
Rituximab-based pre-emptive treatment of molecular relapse in follicular and mantle cell lymphoma
C. Tarella;
2013
Abstract
Pre-emptive rituximab (pRTX) might represent an effective approach for patients with follicular (FL) and mantle cell lymphoma (MCL) experiencing molecular relapse (M-rel). However, available experience is still limited. We retrospectively collected FL and MCL cases that underwent pRTX with four weekly rituximab infusions (375 mg/m2) due to molecular persistence or M-rel. M-rel was assessed using nested polymerase chain reaction (PCR) and real-time quantitative PCR using the Bcl-1/IGH, Bcl-2/IGH or the immunoglobulin heavy chain rearrangement. Twenty-three occurrences of M-rel or persistence were treated in 18 patients (nine MCL and nine FL). The pRTX reinduced molecular remission (MR) in 17/23 cases (7/9 FL and 10/14 MCL). The median time to MR reinduction was 4.5 months (range 3-12), and the median duration of the first MR reinduction was 34 months (range 12-72). In five MCL cases, pRTX was used to treat subsequent M-rels, with success in four cases. No clinical relapses were seen within 2 years of successful reinduction of MR. Progression-free survival after pRTX was 64 % at a median follow-up of 6 years. pRTX was feasible and safe and effectively reinduced MR in FL and MCL patients (74 %). Prospective trials are needed to verify the clinical benefit of similar approaches.File | Dimensione | Formato | |
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