Hypothesized risk factors for inhibitor development
| Patient-related . | Treatment-related . |
|---|---|
| Race | Number of fVIII exposure days |
| Family history | Age at first exposure to fVIII concentrates |
| fVIII mutation | Type of fVIII concentrate used |
| MHC class | Concurrent infection/inflammatory state |
| Polymorphisms of immune-response genes (IL10, TNF, CTLA4) | Intensive exposure to fVIII concentrates |
| Patient-related . | Treatment-related . |
|---|---|
| Race | Number of fVIII exposure days |
| Family history | Age at first exposure to fVIII concentrates |
| fVIII mutation | Type of fVIII concentrate used |
| MHC class | Concurrent infection/inflammatory state |
| Polymorphisms of immune-response genes (IL10, TNF, CTLA4) | Intensive exposure to fVIII concentrates |