Recessive Dystrophic Epidermolysis Bullosa (RDEB)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Clinical diagnosis of RDEB, biallelic recessive COL7A1 mutations (compound heterozygous or homozygous) inherited from biological parents confirmed by genetic testing; 2) Detectable deficiency of COL7A1 expression; 3) Age 14-40, adults preferred; 4) Both sexes/genders; 5) Able to undergo anesthesia necessary for transplantation surgery; 6) Subjects understand and sign informed consent (for subjects under 18 years old, signed ICF also required for their legal guardians).
Exclusion criteria
Exclusion criteria: 1) Apparent evidence of malnutrition (e.g. BMI<18kg/m2) as determined by investigators; 2) Presence of pemphigus or pemphigoid antibodies or COL7A1 autoantibody; 3) History of allogeneic skin transplantation or treatment by recombinant COL7A1 proteins; 4) History of confirmed or suspected squamous skin carcinoma on planned transplantation area; 5) Women in pregnancy or breast-feeding; 6) Subjects that cannot comply with contraceptive measures during the study period; 7) Addiction to drugs or alcohol; 8) Allergy to gentamicin; 9) Participation in other clinical trials in the last 30 days; 10) Subjects with plans to undergo major surgery or other complex therapies; 11) Presence of other severe genetic or non-genetic diseases expected to compromise the safety of the study or complicate the interpretation of study results, including but not limited to: active severe infection, poorly controlled acute/chronic cardiac or pulmonary disease, abnormal liver or renal function, diabetes, autoimmune diseases, malignant tumors. 12) Other Clinically significant medical conditions as determined by investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Adverse events from first transplantation to 12 months after the last transplantation; | — |
Secondary
| Measure | Time frame |
|---|---|
| Graft integration rates;Healing of subject wounds;Expression of COL7A1;Formation of anchoring fibrils; | — |
Countries
China
Contacts
Institute of Dermatology and Hospital for Skin Diseases, Chinese Academy of Medical Sciences