NCT01011920 · OUTCOME

Complete Remission Rate After Primary Chemotherapy

Trial for Patients With Newly Diagnosed Primary Central Nervous System (CNS) Lymphoma · Source last updated 2026-03-19

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure: NUMBER
Unit: Percentage of participants
Interval / dispersion: 95% Confidence Interval
Time frame: 3 months after treatment start

What was measured

Percentage of patients with complete remission after 3 month of treatment. Percentage values are rounded to whole numbers.

Groups in this outcome

Arm A / MTX + AraC

Arm A Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses

Arm B / MTX + Ara-C + Rituximab

Arm B Rituximab 375 mg/m2 conventional infusion d -5 \& 0 Methotrexate 3.5 g/m2 0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses Rituximab: Rituximab 375 mg/m2 conventional infusion on day - 5 \& 0 every 3 weeks for a maximum of 4 cycles

Arm C / MTX + Ara-C + Rituximab+Thiotepa

Arm C Rituximab 375 mg/m2 conventional infusion d -5 \& 0 Methotrexate 3.5 g/m2 0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Thiotepa 30 mg/m2 30 min. Infusion d 4 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses Rituximab: Rituximab 375 mg/m2 conventional infusion on day - 5 \& 0 every 3 weeks for a maximum of 4 cycles Thiotepa: ARM C: Thiotepa 30 mg/m2 (30 min. Infusion) on day 4 every 3 weeks for a maximum of 4 courses ARM E: Thiotepa 5 mg/kg in 250 ml saline sol 2-hr inf. every 12 hrs days -5 \& -4

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

Group	Source count
Arm A / MTX + AraC	75
Arm B / MTX + Ara-C + Rituximab	69
Arm C / MTX + Ara-C + Rituximab+Thiotepa	75

Reported measurements

Source class 1

Values in Percentage of participants · Interval/dispersion: 95% Confidence Interval
Group	Value	Spread	Lower	Upper	Comment
Arm A / MTX + AraC	23	Not reported	14	31	Not reported
Arm B / MTX + Ara-C + Rituximab	30	Not reported	21	42	Not reported
Arm C / MTX + Ara-C + Rituximab+Thiotepa	49	Not reported	38	60	Not reported

Complete source fields

classes

categories
measurements
group Id
OG000
lower Limit
14
upper Limit
31
value
23
group Id
OG001
lower Limit
21
upper Limit
42
value
30
group Id
OG002
lower Limit
38
upper Limit
60
value
49

denoms

counts
group Id
OG000
value
75
group Id
OG001
value
69
group Id
OG002
value
75
units
Participants

description

Percentage of patients with complete remission after 3 month of treatment. Percentage values are rounded to whole numbers.

dispersion Type

95% Confidence Interval

groups

description
Arm A Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses
id
OG000
title
Arm A / MTX + AraC
description
Arm B Rituximab 375 mg/m2 conventional infusion d -5 \& 0 Methotrexate 3.5 g/m2 0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses Rituximab: Rituximab 375 mg/m2 conventional infusion on day - 5 \& 0 every 3 weeks for a maximum of 4 cycles
id
OG001
title
Arm B / MTX + Ara-C + Rituximab
description
Arm C Rituximab 375 mg/m2 conventional infusion d -5 \& 0 Methotrexate 3.5 g/m2 0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion d 1 Cytarabine 2 g/m2 1 hr infusion, twice a day (every 12 hs.) d 2 - 3 Thiotepa 30 mg/m2 30 min. Infusion d 4 Methotrexate: Methotrexate 3.5 g/m2 (0.5 g/m2 in 15 min. + 3 g/m2 in 3-hr infusion) on day 1, every 3 weeks for a maximum of 4 courses. Ara-C: Cytarabine 2 g/m2 (1 hr infusion, twice a day every 12 hours), on d 2 - 3 every 3 weeks for a maximum of 4 courses Rituximab: Rituximab 375 mg/m2 conventional infusion on day - 5 \& 0 every 3 weeks for a maximum of 4 cycles Thiotepa: ARM C: Thiotepa 30 mg/m2 (30 min. Infusion) on day 4 every 3 weeks for a maximum of 4 courses ARM E: Thiotepa 5 mg/kg in 250 ml saline sol 2-hr inf. every 12 hrs days -5 \& -4
id
OG002
title
Arm C / MTX + Ara-C + Rituximab+Thiotepa

param Type

NUMBER

reporting Status

POSTED

time Frame

3 months after treatment start

title

Complete Remission Rate After Primary Chemotherapy

type

PRIMARY

unit Of Measure

Percentage of participants

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Preserved source evidence · Not medical advice