Trial Outcomes & Findings for High-dose Sequential Chemoimmunotherapy for B-cell Lymphomas With Central Nervous System Involvement (NCT NCT00801216)

Results Overview

No new pathological events in a 2 ys follow-up period

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

40 participants

Primary outcome timeframe

2-year

Results posted on

2024-12-10

Participant Flow

40 patients were registered, but only 38 patients met the inclusion critaria and was treatted

Participant milestones

Participant milestones
Measure	High-dose Sequential Chemoimmunotherapy Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI). High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Overall Study STARTED	40
Overall Study COMPLETED	38
Overall Study NOT COMPLETED	2

Reasons for withdrawal

Reasons for withdrawal
Measure	High-dose Sequential Chemoimmunotherapy Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI). High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Overall Study Screening Failure	2

Baseline Characteristics

High-dose Sequential Chemoimmunotherapy for B-cell Lymphomas With Central Nervous System Involvement

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure	High-dose Sequential Chemoimmunotherapy n=38 Participants Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Ph VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Age, Categorical <=18 years	0 Participants n=99 Participants
Age, Categorical Between 18 and 65 years	30 Participants n=99 Participants
Age, Categorical >=65 years	8 Participants n=99 Participants
Age, Continuous	59 years n=99 Participants
Sex: Female, Male Female	15 Participants n=99 Participants
Sex: Female, Male Male	23 Participants n=99 Participants
Region of Enrollment Italy	38 Participants n=99 Participants

PRIMARY outcome

Timeframe: 2-year

Population: No Event registered at a 2ys follow-up of the population included

No new pathological events in a 2 ys follow-up period

Outcome measures

Outcome measures
Measure	High-dose Sequential Chemoimmunotherapy n=38 Participants Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(PH I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Event-free Survival	16 Participants

SECONDARY outcome

Timeframe: 2-year

Time elapsed from Lymphoma diagnosis and CNS involvement

Outcome measures

Outcome measures
Measure	High-dose Sequential Chemoimmunotherapy n=38 Participants Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(PH I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Time to Progression (TTP)	1 Months Interval 0.0 to 69.0

SECONDARY outcome

Timeframe: 5 Years

Patients alive after 5 years long follow-up

Outcome measures

Outcome measures
Measure	High-dose Sequential Chemoimmunotherapy n=38 Participants Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(PH I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Overall Survival	16 Participants

SECONDARY outcome

Timeframe: 2-year

Population: Number of Chemotherapy cycles planned

For the 38 patients enrolled the number of chemotherapy administered / expected during treatment period

Outcome measures

Outcome measures
Measure	High-dose Sequential Chemoimmunotherapy n=152 Chemotherapy Expected Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(PH I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Tolerability OF THE TREATMENT	123 Number of Chemotherapy cycles

SECONDARY outcome

Timeframe: 2-year

Total number of patients with neurotoxic events during treatment

Outcome measures

Outcome measures
Measure	High-dose Sequential Chemoimmunotherapy n=38 Participants Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(PH I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Ph III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Neurotoxicity	2 Participants

Adverse Events

High-dose Sequential Chemoimmunotherapy

Serious events: 4 serious events

Other events: 3 other events

Deaths: 22 deaths

Serious adverse events

Serious adverse events
Measure	High-dose Sequential Chemoimmunotherapy n=38 participants at risk Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
Blood and lymphatic system disorders death	10.5% 4/38 • Number of events 4 • 5 years Serius

Other adverse events

Other adverse events
Measure	High-dose Sequential Chemoimmunotherapy n=38 participants at risk Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Ph I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Ph II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Ph IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI) High-dose sequential chemotherapy and autologous transplant: Two courses of methotrexate 3.5 g/mq day 1 and cytarabine 2 g/mq twice a day, for two days, Rituximab 375 mg/mq days 3 \& 11 and Intrathecal liposomal cytarabine 50 mg day 6(Phase I) followed in case of response by cyclophosphamide 7 g/mq plus Rituximab 375 mg/mq and Intrathecal liposomal cytarabine 50 mg Leukapheresis A and cryopreservation (Phase II), Cytarabine 2 g/mq twice a day for 4 days, Rituximab 375 mg/m2 and Reinfusion of stem cells (Phase III), etoposide 2 g/mq, Intrathecal liposomal cytarabine 50 mg (Phase IV) and high-dose Thiotepa-BCNU supported by autologous stem cell transplant (Phase V), and whole-brain radiotherapy in patients who do not achieve a complete remission after chemotherapy (Phase VI)
General disorders febril neutropenia	7.9% 3/38 • Number of events 4 • 5 years Serius

Additional Information

Dr. Andrés José Maria Ferreri

IRCCS Ospedale San Raffaele

Phone: 022643 7649

Email: [email protected]

Results disclosure agreements

Principal investigator is a sponsor employee
Publication restrictions are in place