Table 2.
Number of off-label drugs and encounters for each drug category and subcategory
| Category | Number off-label drugs (%) 1 | Off-label encounters (%) 2 | Subcategories | Number Off-label drugs (%) 2 | Off-label encounters (%) 2 |
|---|---|---|---|---|---|
| Chemotherapies | 24 (55.8%) | 1153 (14.1%) | Topoisomerase inhibitor | 4 (100%) | 61 (27.9%) |
| Alkylating agents | 7 (58.3%) | 485 (26.2%) | |||
| Anti-metabolites | 8 (61.5%) | 103 (8.5%) | |||
| Anti-tumor antibiotics | 3 (37.5%) | 75 (6.3%) | |||
| Anti mitotics | 2 (28.6%) | 429 (11.6%) | |||
| Other agents | 12 (54.5%) | 483 (8.4%) | Targeted therapies | 2 (50.0%) | 11 (37.9%) |
| Immunotherapies | 5 (45.5%) | 233 (8.2%) | |||
| Hormone therapies | 5 (62.5%) | 239 (8.2%) |
1Expressed as a percentage of all drugs including those indicated for breast cancer in a given therapeutic category or subcategory.
2Expressed as a percentage of all encounters including those indicated for breast cancer in a given therapeutic category or subcategory.