Table 3.
Possible pharmacokinetic interactions between bedaquiline/delamanid and hypoglycemic agents and their expected clinical effects
| Interaction level | Possible pharmacokinetics | Expected clinical effects |
|---|---|---|
| Transporter level (ABCB1) | Inhibition of SU and SGLT-2 inhibitors | Lack of hypoglycemic efficacy |
| Protein-binding level | Competition for protein-binding sites (bedaquiline/delamanid vs SU, glinides, SGLT-2 inhibitors) | Unclear |
| Hepatic metabolism level | Decreased exposure to bedaquiline/delamanid with strong CYP3A4 inducers (bromocriptine) | Lack of antituberculosis efficacy |
| Increased exposure to oral hypoglycemic agents mainly metabolized by CYP3A4 (nateglinide, sitagliptin, saxagliptin) due to inhibitory effect of M2 | Hypoglycemic episodes | |
| Increased exposure to bedaquiline in severe infection (downregulation of P450 expression) | Toxicity of bedaquiline | |
| Increased exposure to oral hypoglycemic agents in severe infections (downregulation of P450 expression) | Hypoglycemic episodes |
Note: ABCB1 is a P-glycoprotein, and M2 is the bedaquiline metabolite.
Abbreviation: SU, sulfonylureas.