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Brief Title: Study on Tailored Treatment in Elderly Patients With Newly Diagnosed Primary Lymphoma of Central Nervous System
Official Title: Randomized Phase II Trial on Fitness- and Comorbidity- Tailored Treatment in Elderly Patients With Newly Diagnosed Primary CNS Lymphoma (FIORELLA Trial)
Study ID: NCT03495960
Brief Summary: Primary central nervous system lymphomas are rare aggressive malignancies, usually treated in two steps: an induction phase (where a combination of chemotherapy is given) followed by a consolidation phase (where patients usually receive one of the following: whole-brain irradiation, chemotherapy supported by autologous stem-cell transplantation, other type of chemotherapy, or are just observed). The feasibility of this overall strategy, for several reasons, is limited in elderly patients . This study involves patients aged ≥70 years. The more fit patients will receive the standard chemotherapy combination (high-dose methotrexate, procarbazine and rituximab) as induction. Responding patients will receive either procarbazine or lenalidomide as maintenance therapy; the aim is to evaluate the efficacy of these two drugs. The more fragile patients will receive a less aggressive therapy consisting of concomitant whole-brain radiotherapy, temozolomide and rituximab as induction therapy, followed by temozolomide as maintenance treatment; the aim is to evaluate the efficacy of this combination of treatment.
Detailed Description: Primary central nervous system lymphomas (PCNSL) are rare aggressive malignancies, mostly of B-cell origin, representing 4% of intracranial neoplasms and 4-6% of extranodal non-Hodgkin's lymphomas (NHL). Despite improvements in treatment, PCNSL is associated with an aggressive course and unsatisfactory outcome. The median age at diagnosis is 61 years and age over 60 years has been reported to be an independent factor for a poorer outcome. The modern treatment of PCNSL includes two phases: induction and consolidation. The induction phase usually consists of a polychemotherapy combination, including high-dose methotrexate as a critical drug, while there are at least four different strategies that can be used as consolidation: whole-brain irradiation, myeloblative chemotherapy supported by autologous stem-cell transplantation, non-myeloblative chemotherapy, observation (only in patients who achieve complete remission after induction). The feasibility of this overall strategy is limited, for several reasons, in elderly patients with newly diagnosed PCNSL. High-doses of antimetabolite-based chemotherapy, the standard induction for patients younger than 70 years, is often not feasible in elderly patients. Among maintenance strategies, simple observation results in unacceptably high relapse rate and associated mortality while whole-brain irradiation and aggressive chemotherapies are associated with unacceptable toxicity and poor outcome. Thus, new strategies aimed at obtaining durable responses with an acceptable tolerability and reduced risk of neurocognitive decline are needed and these strategies should be tailored not only based on the patients' age but also on their specific co-morbidities and general health conditions. For the present trial, all patients aged ≥70 years taken into care at the participating sites will be invited to participate and after informed consent signature their baseline data will be collected in the trial database, including data of patients resulting in screening failure. This will allow to verify any potential screening bias by comparing the characteristics of included and excluded patients. Patients fulfilling the eligibility criteria are then screened for their suitability to receive a more or less aggressive anticancer treatment and assigned to two different treatment strategies accordingly. Part A: The more fit patients are assigned to the trial Part A and will receive the standard combination of high-dose methotrexate, procarbazine and rituximab as induction. Responding patients will subsequently be randomized to receive either procarbazine or lenalidomide as maintenance therapy. Procarbazine is a lipophilic oral alkylating agent, easily crossing the blood brain barrier (up to 100% of plasma levels). There is no known cumulative toxicity for procarbazine and it is therefore currently in use as a viable maintenance treatment option aimed at eliminating residual lymphoma cells in the CNS and reduce the risk of relapse. Lenalidomide is an oral immunomodulatory agent, active against diffuse large B cell lymphoma, the most common category in PCNSL, which can be taken for years, showing an excellent safety profile. On this background, the Part A of the present trial consists of a randomized phase II trial conducted in elderly patients with newly diagnosed PCNSL responsive to high-dose methotrexate-based chemotherapy, comparing two different maintenance strategies: the oral chemotherapeutic drug procarbazine and the oral immunomodulatory agent lenalidomide. Part B: The more fragile patients are assigned to the trial Part B and will receive a less aggressive therapy consisting of concomitant whole-brain radiotherapy, temozolomide and rituximab as induction therapy, followed by temozolomide single-agent as maintenance treatment. Whole-brain radiotherapy is the main therapeutic choice for patients with contraindications to chemotherapy and in particular for elderly patients. Brain irradiation is usually associated with transient disruption of the blood-tumor barrier, occurring from 1 week after the initiation of radiotherapy to 1 month after its completion, during which pharmaceutical agents have maximum access to tumor tissue. Concomitant delivery of active cytostatics, therefore, could result in increased tumor uptake. Concomitant delivery of radiotherapy and temozolomide is currently used as standard approach for the treatment of high-grade gliomas, with acceptable toxicity despite the use of a larger irradiation dose. Based on the above, in the Part B of the present trial, temozolomide and rituximab, two agents active against PCNSL, are delivered concomitantly to whole-brain radiotherapy to obtain a synergistic effect of radiation damage, antineoplastic effect of rituximab and cytostatic and radiomimetic effects of temozolomide. Finally, temozolomide maintenance has shown to be beneficial regarding sustained remission after initial response to induction therapy and its suitability to improve disease control in responding patients not fit for more aggressive therapies will therefore be tested in the Part B of this trial.
Minimum Age: 70 Years
Eligible Ages: OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Aarhus University Hospital, Aarhus, , Denmark
Odense University Hospital, Odense, , Denmark
Oulu University Hospital, Oulu, , Finland
Tampere University Hospital, Tampere, , Finland
Tel Aviv Sourasky Medical Center, Tel Aviv, , Israel
Centro di Riferimento Oncologico, Aviano, (pn), Italy
Ospedale C.e G. Mazzoni, Ascoli Piceno, , Italy
Bari IRCCS Istituto Tumori, Bari, , Italy
ASST Spedali Civili di Brescia, Brescia, , Italy
Ospedale Antonio Perrino, Brindisi, , Italy
Azienda Ospedaliera Universitaria (AOU) Careggi, Firenze, , Italy
Meldola, IRST - ISTITUTO SCIENTIFICO ROMAGNOLO PER LO STUDIO E LA CURA DEI TUMORI, Meldola, , Italy
Milano, IRCCS Ospedale San Raffaele, Milan, , Italy
Milano - Îstituto Besta, Milan, , Italy
Milano Niguarda, Milan, , Italy
Modena, Policlinico Universitario, Modena, , Italy
ASST Monza - Ospedale S. Gerardo, Monza, , Italy
Pescara, Presidio Ospedaliero UOS dipartimentale centro di diagnosi e terapia Linfomi, Pescara, , Italy
Piacenza, Piacenza, , Italy
Ravenna - Ospedale di Ravenna - IRST, Ravenna, , Italy
Reggio Emilia - Arcispedale Santa Maria Nuova - IRCCS, Reggio Emilia, , Italy
AUSL della Romagna - Presidio Ospedaliero Rimini - Ospedale "Infermi", Rimini, , Italy
Policlinico Umberto I - Università La Sapienza, Roma, , Italy
Roma - Unicampus-Bio, Roma, , Italy
S. Giovanni Rotondo - Casa Sollievo della sofferenza, San Giovanni Rotondo, , Italy
Siena - Azienda Ospedaliera Universitaria Senese, Siena, , Italy
Terni - Ospedale di Terni, Terni, , Italy
Torino neurooncologia - AOU CITTA' DELLA SALUTE E DELLA SCIENZA DI TORINO, Torino, , Italy
Tricase - Ospedale "Card. G. Panico", Tricase, , Italy
Udine, Azienda Ospedaliera Universitaria, Udine, , Italy
Basel - Universitätsspital, Basel, , Switzerland
IOSI - Oncology Institute of Southern Switzerland, Bellinzona, , Switzerland
Bern - Inselspital, Bern, , Switzerland
St. Gallen - Kantonsspital, Saint Gallen, , Switzerland
Universitätsspital Zürich, Zürich, , Switzerland
Name: Andrès JM Ferreri, MD
Affiliation: IRCCS San Raffaele Scientific Institute, Milan, Italy
Role: STUDY_CHAIR