Table 2 Primary outcome of treatment-related, treatment-emergent adverse events by system organ class and preferred term at 2 years

From: Gene therapy with bidridistrogene xeboparvovec for limb-girdle muscular dystrophy type 2E/R4: phase 1/2 trial results

System organ class preferred term

Cohort 1 (dose, 1.85 × 1013 vg kg−1)a (n = 3)

Cohort 2 (dose, 7.41 × 1013 vg kg−1)b (n = 3)

Total (n = 6)

Subjects with any treatment-related, treatment-emergent adverse event

2 (66.7%)

3 (100.0%)

5 (83.3%)

Gastrointestinal disorders

1 (33.3%)

3 (100.0%)

4 (66.7%)

 Abdominal pain

0

2 (66.7%)

2 (33.3%)

 Abdominal pain, upper

1 (33.3%)

1 (33.3%)

2 (33.3%)

 Nausea

0

2 (66.7%)

2 (33.3%)

 Vomiting

1 (33.3%)

3 (100.0%)

4 (66.7%)

General disorders and administration site conditions

0

1 (33.3%)

1 (16.7%)

 Pyrexia

0

1 (33.3%)

1 (16.7%)

Hepatobiliary disorders

1 (33.3%)

0

1 (16.7%)

 Hepatitis

1 (33.3%)c

0

1 (16.7%)

 Hyperbilirubinemia

1 (33.3%)

0

1 (16.7%)

Investigations

2 (66.7%)

3 (100.0%)

5 (83.3%)

 GGT increased

2 (66.7%)

1 (33.3%)

3 (50.0%)

 Neutrophil count decreased

0

1 (33.3%)

1 (16.7%)

 White blood cell count decreased

0

2 (66.7%)

2 (33.3%)

Metabolism and nutrition disorders

1 (33.3%)

1 (33.3%)

2 (33.3%)

 Decreased appetite

1 (33.3%)

0

1 (16.7%)

 Dehydration

0

1 (33.3%)c

1 (16.7%)

Nervous system disorders

1 (33.3%)

0

1 (16.7%)

 Dizziness

1 (33.3%)

0

1 (16.7%)

  1. Treatment-emergent adverse events are defined as all adverse events that started on or after the study drug administration date. Adverse events are coded using Medical Dictionary for Regulatory Activities v.22.0. Cutoff dates for safety data were 14 January 2021 (Cohort 1) and 18 January 2022 (Cohort 2).
  2. a1.85 × 1013 vg kg−1 (linear standard qPCR).
  3. b7.41 × 1013 vg kg−1 (linear standard qPCR).
  4. cSAE.