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Table 6 Gross motor function (GMFM-MLD score or GMFC-MLD) for HSCT versus standard care

From: A systematic review of clinical effectiveness and safety for historical and current treatment options for metachromatic leukodystrophy in children, including atidarsagene autotemcel

Treatment

MLD type

Symptom status

Time point

Outcome definition

n/N (%)

Source

HSCT

LI

Mixed

Last available follow-for each patient^

No. with worsening GMFM score

2/2 (100%)

Boucher [21]—R

LI

NR/unclear

Last available follow-for each patient^

No. with worsening GMFM score

2/2 (100%)

van Rappard [17]—R

LI to J

Mixed

Last available follow-for each patient^

No. with worsening GMFM score

13/16 (81.25%)

Boucher [21]—R

J

NR/unclear

Last available follow-for each patient^

No. with worsening GMFM score

2/5 (40%)

van Rappard [17]—R

J

Mixed

Last available follow-for each patient^

No. with worsening GMFM score

11/14 (78.6%)

Boucher [21]—R

J

NR/unclear

Last available follow-for each patient^

No. with no change in GMFM score

3/14 (21.4%)

van Rappard [17]—R

J

Mixed

10 years**

Progression to GMFC-MLD level 5a

8/20 (40%)

Groeschel [16]—R*

Standard care

LI

NR/unclear

Last available follow-for each patient^

No. with no change in GMFM score

2/6 (33.3%)

van Rappard [17]—R

LI

NR/unclear

Last available follow-for each patient^

No. with worsening GMFM score

4/6 (66.7%)

van Rappard [17]—R

J

NR/unclear

Last available follow-for each patient^

No. with no change in GMFM score

12/12 (100%)

van Rappard [17]—R

J

Mixed

10 years**

Progression to GMFC-MLD level 5a

28/41 (68.29%)

Groeschel[16]—R*

  1. Mixed refers to populations with a mixture of pre-symptomatic and symptomatic patients
  2. GMFM gross motor function measure, I infantile MLD, J Juvenile MLD, LI late infantile MLD, HSCT haemopoietic stem cell transplantation, MLD metachromatic leukodystrophy, mth month, No. number of patients, n number with outcome, N total number analysed, NR not reported, P prospective study, R retrospective study, SD stable disease, yr year
  3. *Indicates that there is a possibility of overlap with populations reported in other studies based in German study centres and/or using the LEUKONET database
  4. Time point is reported as described by the author(s), where possible the baseline from which time is measured is stated: ^After treatment; **After disease onset
  5. aGMFC-MLD Level 5 corresponds to ‘only head control possible’