Table 1 Summary of toxicology studies of BMTP-78 in nonhuman primates
Study | Protocol | Animals | Sex | Number of animals | Doses schedule | Dose (no. of animals) | Adverse effects and necropsy results (no. of affected animals) |
---|---|---|---|---|---|---|---|
1 | Multiple dose range study s.c injections of BMTP-78 | Macaca fascicularis | M | 3 | 1 dose every 3 days for 2 weeks s.c | 0.3, 3, 30, 100 and 200āmgākgā1 (3) | Kidney toxicity (after 100āmgākgā1 dose) Lesions at s.c. injection site |
2 | Multiple dose i.v. infusion | Macaca fascicularis | M | 3 | 4 weekly i.v. | 3āmgākgā1 (3) | Necrotizing and inflammatory lesions at i.v. injection site (3) Kidney lesions (1) |
3 | Single dose i.v. infusion | Macaca fascicularis | M | 2 | Single infusion | 0.75āmgākgā1 (2) | None |
4 | Dose range study of weekly infusions of BMTP-78 | Macaca mulatta | M | 4 | 4 weekly i.v. | Low: 1āmgākgā1 (1) Mid-low: 3āmgākgā1 (1) Mid-high: 6āmgākgā1 (1) High: 9āmgākgā1 (1) | Dose-dependent kidney toxicity (3 at ⩾3āmgākgā1 doses) Lesions at i.v. injection site (3 at ⩾3āmgākgā1 doses) Heart toxicity (1 at 9āmgākgā1 doses) |
5 | 22-day repeat infusion of BMTP-78 | Macaca mulatta | F | 20 | 4 infusions every 5 days i.v. Followed by 29-day recovery period | Control: vehicle (4) Low: 3āmgākgā1 (5) Mid-low: 9āmgākgā1 (8) Mid-high: 15āmgākgā1 (1) High: 30āmgākgā1 (2) | Heart toxicity (15 at ⩾3āmgākgā1 doses), lethal at mid-high doses (5 at ⩾9āmgākgā1 doses) |