Table 1.
Case 1 | Case 2 | Case 3 | Case 4 | |
---|---|---|---|---|
Gender | F | M | M | M |
Present age | 25 years | 36 years | 31 years | 26 years |
Diagnosis | 1.5 years | 4 years | 12 years | 14 years |
Age at transplantation | 4 years | 8 years | 15 years | 15 years |
Follow up duration | 21 years | 28 years | 16 years | 11 years |
Regimen of BMT | busulfan (20 mg/kg ), cyclophosphamide (200 mg/kg), anti T- lymphocytic globulin (10 mg/kg/day) | cyclophosphamide (200 mg/kg), thoracoabdominal irradiation 8 Gy | Detailed data not avialble (Performed at Nippon Medical School) | busulfan (4 mg/kg), cyclophosphamide (50 mg/kg), anti T-lymphocytic globulin (15 mg/kg/day) |
Genotype | p.M318R/undefined | Double deletion/p.Q148X | ins ex1/undefined | Undefined |
Donor | HLA-identical sibling | HLA-identical unrelated donor | HLA-identical heterozygous sibling | HLA-identical heterozygous sibling |
GVHD | grade I | grade I | None | None |
Engraftment | Full | Full | Full | Full |
Enzyme activity | Normal | Normal | carrier level | carrier level |
Walking | walk independently | walk independently | walk independently | walk independently |
Height | 113 cm at 20 years | 115 cm at 24 years | 137 cm at 18 years | 103 cm at 25 years |
ADL score (full score 60: higher is better) | 59 | 33 | 55 | 34 to 46* |
Other MPS Symptoms (full score 60: higher is better) | 50 | 42.5 | 51 | 44 to 56* |
Orthopedic Surgical Intervention post BMT | ND | ND | ND | Osteotomies of both femurs at 16 years |
ND: not done
pre-BMT to post-BMT