Skip to content
← Full study record

NCT00422383 · OUTCOME

Peripheral Cluster of Differentiation (CD) 19 Positive (+) B Cell Count at BL in Cells Per Microliter (Cells/µL)

A Study of Retreatment With MabThera (Rituximab) in Combination With Methotrexate in Patients With Rheumatoid Arthritis (RA) · Source last updated 2015-05-04

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

Measure
MEAN
Unit
cells/µL
Interval / dispersion
Standard Deviation
Time frame
BL

What was measured

Surface expression of CD19 was assessed by fluorescence-activated cell sorting (FACS) analysis as a marker of absolute B lymphocyte count.

Analysis population: ITT-M2 population. 7, 8, 3, 1, and 2 participants were not analyzed for this outcome measure from the Low Dose, Escalated Dose, High Dose, Placebo, and Decreased Dose groups, respectively.

Groups in this outcome

Rituximab Low Dose + Methotrexate

Participants received rituximab, 0.5 g, IV, on Days 1, 15, 168, and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.

Rituximab Escalated Dose + Methotrexate

Participants received rituximab, 0.5 g, IV, on Days 1 and 15 and 1.0 g, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.

Rituximab High Dose + Methotrexate

Participants received rituximab, 1.0 g, IV, on Days 1, 15, 168, and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.

Rituximab/Placebo + Methotrexate

Participants received rituximab, 1.0 g, IV, on Days 1 and 15, and a placebo, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose. This treatment group was not part of the planned analysis and was not analyzed for all outcomes measures since they did not receive the planned treatment.

Rituximab Decreased Dose + Methotrexate

Participants received rituximab, 1.0 g, IV, on Days 1 and 15 and 0.5 g, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose. This treatment group was not part of the planned analysis and was not analyzed for all outcomes measures since they did not receive the planned treatment.

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

Analysis denominator · Participants

GroupSource count
Rituximab Low Dose + Methotrexate127
Rituximab Escalated Dose + Methotrexate111
Rituximab High Dose + Methotrexate90
Rituximab/Placebo + Methotrexate5
Rituximab Decreased Dose + Methotrexate23

Reported measurements

Source class 1
Values in cells/µL · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Rituximab Low Dose + Methotrexate183.6142.31Not reportedNot reportedNot reported
Rituximab Escalated Dose + Methotrexate168.994.98Not reportedNot reportedNot reported
Rituximab High Dose + Methotrexate205.3171.91Not reportedNot reportedNot reported
Rituximab/Placebo + Methotrexate318.2174.62Not reportedNot reportedNot reported
Rituximab Decreased Dose + Methotrexate235.4112.56Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        142.31
        value
        183.6
      2. group Id
        OG001
        spread
        94.98
        value
        168.9
      3. group Id
        OG002
        spread
        171.91
        value
        205.3
      4. group Id
        OG003
        spread
        174.62
        value
        318.2
      5. group Id
        OG004
        spread
        112.56
        value
        235.4
denoms
  1. counts
    1. group Id
      OG000
      value
      127
    2. group Id
      OG001
      value
      111
    3. group Id
      OG002
      value
      90
    4. group Id
      OG003
      value
      5
    5. group Id
      OG004
      value
      23
    units
    Participants
description
Surface expression of CD19 was assessed by fluorescence-activated cell sorting (FACS) analysis as a marker of absolute B lymphocyte count.
dispersion Type
Standard Deviation
groups
  1. description
    Participants received rituximab, 0.5 g, IV, on Days 1, 15, 168, and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.
    id
    OG000
    title
    Rituximab Low Dose + Methotrexate
  2. description
    Participants received rituximab, 0.5 g, IV, on Days 1 and 15 and 1.0 g, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.
    id
    OG001
    title
    Rituximab Escalated Dose + Methotrexate
  3. description
    Participants received rituximab, 1.0 g, IV, on Days 1, 15, 168, and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose.
    id
    OG002
    title
    Rituximab High Dose + Methotrexate
  4. description
    Participants received rituximab, 1.0 g, IV, on Days 1 and 15, and a placebo, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose. This treatment group was not part of the planned analysis and was not analyzed for all outcomes measures since they did not receive the planned treatment.
    id
    OG003
    title
    Rituximab/Placebo + Methotrexate
  5. description
    Participants received rituximab, 1.0 g, IV, on Days 1 and 15 and 0.5 g, IV, on Days 168 and 182. Participants also received methylprednisolone 100 mg, IV, by slow infusion, which was completed at least 30 minutes prior to each infusion of rituximab Days 1, 15, 168, and 182. Participants also received methotrexate 10-25 mg/mL, PO or parenterally, as prescribed by the treating physician and in accordance with the local label. Participants also received a stable dose of folate ≥ 5 mg/week given either as a single dose or as a divided weekly dose. This treatment group was not part of the planned analysis and was not analyzed for all outcomes measures since they did not receive the planned treatment.
    id
    OG004
    title
    Rituximab Decreased Dose + Methotrexate
param Type
MEAN
population Description
ITT-M2 population. 7, 8, 3, 1, and 2 participants were not analyzed for this outcome measure from the Low Dose, Escalated Dose, High Dose, Placebo, and Decreased Dose groups, respectively.
reporting Status
POSTED
time Frame
BL
title
Peripheral Cluster of Differentiation (CD) 19 Positive (+) B Cell Count at BL in Cells Per Microliter (Cells/µL)
type
SECONDARY
unit Of Measure
cells/µL

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice