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NCT00811733 · OUTCOME

Number of Participants With Overall Response (OR) for Cycle 1 (Including the Redosing Cycle), as Assessed by the Investigator

A Phase II Trial of Ofatumumab in Subjects With Waldenstrom's Macroglobulinemia · Source last updated 2017-05-30

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

Measure
NUMBER
Unit
participants
Interval / dispersion
Not reported
Time frame
Baseline and up to 27 months from the first dose of Cycle 1 (Study Day 1), and before Cycle 2 treatment

What was measured

OR (based on the Consensus Panel recommendations from the 2nd and 3rd International Workshop on WM) included Complete Response (CR), Partial Response (PR), or a Minor Response (MR). CR: Complete disappearance of serum monoclonal (SM) Immunoglobulin (Ig) E (IgE), measured centrally; resolution of adenopathy/organomegaly upon physical exam and computerized tomography (CT) scan; lymph nodes =\<1.5 centimeters; absence of malignant cell by bone marrow histologic examination. PR: a \>=50% reduction from baseline in the SM IgM concentration. MR: \>=25%, but a \<50% reduction of SM IgM from baseline.

Analysis population: Intent-to-Treat (ITT) Population: all participants who were considered eligible for treatment and who had been exposed to study drug irrespective of the planned course of treatment.

Groups in this outcome

300 mg Ofatumumab, Wk. 1; 1000/2000 mg Ofatumumab, Wk. 2-4/2-5

Participants received ofatumumab intravenously (IV) in Cycle 1 (defined as a treatment period of up to 4 weeks \[Weeks (Wk.) 1 through 4\]) (300 milligrams \[mg\] at Week 1 and 1000 mg at Weeks 2 through 4) and were followed up for 11 weeks (Weeks 5-16). After Week 16, during the Redosing Cycle (RC), participants who had Minor Response or stable disease after Cycle 1 and had not received another Waldenstrom's Macroglobulinemia (WM) therapy received 300 mg IV ofatumumab at Week 1 and 2000 mg IV ofatumumab at Weeks 2 through 5. Participants who achieved a response in either Cycle 1 or the RC and subsequently progressed before 36 months entered Cycle 2 of treatment and received IV ofatumumab 300 mg at Week 1 and IV ofatumumab 2000 mg during Weeks 2 through 5.

300 mg Ofatumumab, Wk. 1; 2000 mg Ofatumumab, Wk. 2-5

Participants received ofatumumab IV at 300 mg at Week 1 and 2000 mg at Weeks 2 through 5 in Cycle 1 (defined as a treatment period of up to 5 weeks \[Weeks 1 through 5\]) and were followed up for 10 weeks (Weeks 6-16). After Week 16, during the RC, participants who had Minor Response or stable disease after Cycle 1 and had not received another WM therapy received 300 mg IV ofatumumab at Week 1 and 2000 mg IV ofatumumab at Weeks 2 through 5. Participants who achieved a response and subsequently progressed before 36 months entered Cycle 2 of treatment and received 300 mg at Week 1 and 2000 mg during Weeks 2 through 5.

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

Analysis denominator · Participants

GroupSource count
300 mg Ofatumumab, Wk. 1; 1000/2000 mg Ofatumumab, Wk. 2-4/2-515
300 mg Ofatumumab, Wk. 1; 2000 mg Ofatumumab, Wk. 2-522

Reported measurements

Source class 1
Values in participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
300 mg Ofatumumab, Wk. 1; 1000/2000 mg Ofatumumab, Wk. 2-4/2-57Not reportedNot reportedNot reportedNot reported
300 mg Ofatumumab, Wk. 1; 2000 mg Ofatumumab, Wk. 2-515Not reportedNot reportedNot reportedNot reported

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. ci Lower Limit
    21.3
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    73.4
    estimate Comment
    The estimated value represents the percentage of participants with OR.
    group Ids
    1. OG000
    non Inferiority Type
    SUPERIORITY_OR_OTHER
    param Type
    percentage of participants
    param Value
    47
  2. ci Lower Limit
    45.1
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    86.1
    estimate Comment
    The estimated value represents the percentage of participants with OR.
    group Ids
    1. OG001
    non Inferiority Type
    SUPERIORITY_OR_OTHER
    param Type
    percentage of participants
    param Value
    68
Complete source fields
analyses
  1. ci Lower Limit
    21.3
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    73.4
    estimate Comment
    The estimated value represents the percentage of participants with OR.
    group Ids
    1. OG000
    non Inferiority Type
    SUPERIORITY_OR_OTHER
    param Type
    percentage of participants
    param Value
    47
  2. ci Lower Limit
    45.1
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    86.1
    estimate Comment
    The estimated value represents the percentage of participants with OR.
    group Ids
    1. OG001
    non Inferiority Type
    SUPERIORITY_OR_OTHER
    param Type
    percentage of participants
    param Value
    68
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        7
      2. group Id
        OG001
        value
        15
denoms
  1. counts
    1. group Id
      OG000
      value
      15
    2. group Id
      OG001
      value
      22
    units
    Participants
description
OR (based on the Consensus Panel recommendations from the 2nd and 3rd International Workshop on WM) included Complete Response (CR), Partial Response (PR), or a Minor Response (MR). CR: Complete disappearance of serum monoclonal (SM) Immunoglobulin (Ig) E (IgE), measured centrally; resolution of adenopathy/organomegaly upon physical exam and computerized tomography (CT) scan; lymph nodes =\<1.5 centimeters; absence of malignant cell by bone marrow histologic examination. PR: a \>=50% reduction from baseline in the SM IgM concentration. MR: \>=25%, but a \<50% reduction of SM IgM from baseline.
groups
  1. description
    Participants received ofatumumab intravenously (IV) in Cycle 1 (defined as a treatment period of up to 4 weeks \[Weeks (Wk.) 1 through 4\]) (300 milligrams \[mg\] at Week 1 and 1000 mg at Weeks 2 through 4) and were followed up for 11 weeks (Weeks 5-16). After Week 16, during the Redosing Cycle (RC), participants who had Minor Response or stable disease after Cycle 1 and had not received another Waldenstrom's Macroglobulinemia (WM) therapy received 300 mg IV ofatumumab at Week 1 and 2000 mg IV ofatumumab at Weeks 2 through 5. Participants who achieved a response in either Cycle 1 or the RC and subsequently progressed before 36 months entered Cycle 2 of treatment and received IV ofatumumab 300 mg at Week 1 and IV ofatumumab 2000 mg during Weeks 2 through 5.
    id
    OG000
    title
    300 mg Ofatumumab, Wk. 1; 1000/2000 mg Ofatumumab, Wk. 2-4/2-5
  2. description
    Participants received ofatumumab IV at 300 mg at Week 1 and 2000 mg at Weeks 2 through 5 in Cycle 1 (defined as a treatment period of up to 5 weeks \[Weeks 1 through 5\]) and were followed up for 10 weeks (Weeks 6-16). After Week 16, during the RC, participants who had Minor Response or stable disease after Cycle 1 and had not received another WM therapy received 300 mg IV ofatumumab at Week 1 and 2000 mg IV ofatumumab at Weeks 2 through 5. Participants who achieved a response and subsequently progressed before 36 months entered Cycle 2 of treatment and received 300 mg at Week 1 and 2000 mg during Weeks 2 through 5.
    id
    OG001
    title
    300 mg Ofatumumab, Wk. 1; 2000 mg Ofatumumab, Wk. 2-5
param Type
NUMBER
population Description
Intent-to-Treat (ITT) Population: all participants who were considered eligible for treatment and who had been exposed to study drug irrespective of the planned course of treatment.
reporting Status
POSTED
time Frame
Baseline and up to 27 months from the first dose of Cycle 1 (Study Day 1), and before Cycle 2 treatment
title
Number of Participants With Overall Response (OR) for Cycle 1 (Including the Redosing Cycle), as Assessed by the Investigator
type
PRIMARY
unit Of Measure
participants

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Preserved source evidence · Not medical advice