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NCT03951220 · OUTCOME

Primary Outcome 1: Quantifying Tumour Burden [Correlations With Myeloma Response Assessment and Diagnosis System (MY-RADS) Pattern of Disease]

The Development and Pilot Testing of a New MR Imaging Protocol to Quantify Myeloma Disease Burden and Bone Loss · Source last updated 2025-08-19

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

Measure
MEAN
Unit
grams per liter (g/L)
Interval / dispersion
Standard Deviation
Time frame
At baseline

What was measured

Primary Objective 1: To assess whether the novel MR protocol and exploratory bone biomarkers can improve quantification of tumour burden in patients with new or relapsed myeloma at baseline assessment, compared to paraprotein levels alone. Participants' baseline novel MR scan was analysed by an expert radiologist, and pattern of disease was qualitatively classified using the MY-RADS (Myeloma Response Assessment and Diagnosis System) imaging recommendations, described in Figure 2 by Messiou et. al. \[1\]. This particular section analysed whether standard clinical correlate of tumour burden (serum paraprotein) differed by radiological pattern of disease (e.g., normal, focal, diffuse). \[1\] Messiou, Christina, et al. "Guidelines for acquisition, interpretation, and reporting of whole-body MRI in myeloma: myeloma response assessment and diagnosis system (MY-RADS)." Radiology 291.1 (2019): 5-13.

Analysis population: Population is all participants who had a novel MR scan at baseline with: i) available MY-RADS pattern of disease assessment; ii) available baseline serum paraprotein.

Groups in this outcome

MY-RADS: Normal

MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans

MY-RADS: Focal

MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans

MY-RADS: Micronodular

MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans

MY-RADS: Not Determined

MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans

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

Analysis denominator · Participants

GroupSource count
MY-RADS: Normal18
MY-RADS: Focal6
MY-RADS: Micronodular1
MY-RADS: Not Determined1

Reported measurements

Source class 1
Values in grams per liter (g/L) · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
MY-RADS: Normal13.19.4Not reportedNot reportedNot reported
MY-RADS: Focal11.77.8Not reportedNot reportedNot reported
MY-RADS: Micronodular5.4NANot reportedNot reportedOnly one data point, hence standard deviation could not be calculated
MY-RADS: Not Determined17.2NANot reportedNot reportedOnly one data point, hence standard deviation could not be calculated

Source statistical analyses

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

  1. group Ids
    1. OG000
    2. OG001
    3. OG002
    non Inferiority Type
    SUPERIORITY
    p Value
    0.7343
    statistical Method
    ANOVA
Complete source fields
analyses
  1. group Ids
    1. OG000
    2. OG001
    3. OG002
    non Inferiority Type
    SUPERIORITY
    p Value
    0.7343
    statistical Method
    ANOVA
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        9.4
        value
        13.1
      2. group Id
        OG001
        spread
        7.8
        value
        11.7
      3. comment
        Only one data point, hence standard deviation could not be calculated
        group Id
        OG002
        spread
        NA
        value
        5.4
      4. comment
        Only one data point, hence standard deviation could not be calculated
        group Id
        OG003
        spread
        NA
        value
        17.2
denoms
  1. counts
    1. group Id
      OG000
      value
      18
    2. group Id
      OG001
      value
      6
    3. group Id
      OG002
      value
      1
    4. group Id
      OG003
      value
      1
    units
    Participants
description
Primary Objective 1: To assess whether the novel MR protocol and exploratory bone biomarkers can improve quantification of tumour burden in patients with new or relapsed myeloma at baseline assessment, compared to paraprotein levels alone. Participants' baseline novel MR scan was analysed by an expert radiologist, and pattern of disease was qualitatively classified using the MY-RADS (Myeloma Response Assessment and Diagnosis System) imaging recommendations, described in Figure 2 by Messiou et. al. \[1\]. This particular section analysed whether standard clinical correlate of tumour burden (serum paraprotein) differed by radiological pattern of disease (e.g., normal, focal, diffuse). \[1\] Messiou, Christina, et al. "Guidelines for acquisition, interpretation, and reporting of whole-body MRI in myeloma: myeloma response assessment and diagnosis system (MY-RADS)." Radiology 291.1 (2019): 5-13.
dispersion Type
Standard Deviation
groups
  1. description
    MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans
    id
    OG000
    title
    MY-RADS: Normal
  2. description
    MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans
    id
    OG001
    title
    MY-RADS: Focal
  3. description
    MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans
    id
    OG002
    title
    MY-RADS: Micronodular
  4. description
    MY-RADS disease pattern classification, as assessed by an expert MSK Radiologist, on baseline scans
    id
    OG003
    title
    MY-RADS: Not Determined
param Type
MEAN
population Description
Population is all participants who had a novel MR scan at baseline with: i) available MY-RADS pattern of disease assessment; ii) available baseline serum paraprotein.
reporting Status
POSTED
time Frame
At baseline
title
Primary Outcome 1: Quantifying Tumour Burden [Correlations With Myeloma Response Assessment and Diagnosis System (MY-RADS) Pattern of Disease]
type
PRIMARY
unit Of Measure
grams per liter (g/L)

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