Table 2.
DILIsym predictions for telcagepant, MK-3207, and ubrogepant in a simulated patient population of healthy volunteers [63]
| Compound | Dosing protocol | Simulated ALT > 3× ULN | Clinical ALT > 3× ULN |
|---|---|---|---|
| Telcagepant | 280 mg BID 12 weeks | 12.6% (36/285) | 3.2% (8/253) |
| 140 mg BID 12 weeks | 0% (0/285) | 1.9% (5/258) | |
| MK-3207 | 200 mg q2h, 2 daily doses (400-mg daily dose), for 14 days | 3.5% (10/285) | 42% (5/12) among individuals dosed for more than 1 week; most responding were given 600–900 mg per day |
| 300 mg q2h, 2 daily doses (600-mg daily dose), for 14 days | 7% (20/285) | ||
| 450 mg q2h, 2 daily doses (900-mg daily dose), for 14 days | 10.2% (29/285) | ||
| Ubrogepant | 100 mg q2h, 4 days | 0% (0/285) | N/A |
| 1000 mg q2h, 4 days | 0% (0/285) | N/A | |
| 100 mg QD, 8 days | 0% (0/285) | N/A | |
| 1000 mg QD, 8 days | 0% (0/285) | N/A | |
| 50 mg QD, 2 days on, 2 days off for 56 days, 28 total doses | 0% (0/285) | N/A | |
| 100 mg QD, 2 days on, 2 days off for 56 days, 28 total doses | 0% (0/285) | 0.8% 2/256 |
ALT alanine aminotransferase, BID twice daily, N/A not applicable, q2h every 2 hours, QD once daily, ULN upper limit of normal