Study of the Pharmacokinetics and Pharmacodynamics of Crystalline PX-866 Tablets and Amorphous PX-866 Capsules in Healthy Volunteers

Volunteers in part 1 of the study will receive two single dose 8 mg treatments of PX-866 (one each of crystalline PX-866 tablets and amorphous PX-866 capsules) in Periods A and B, separated by at least seven days. Volunteers in part 2 of the study will receive two single dose 6 mg treatments of PX-866 (crystalline PX-866 tablets administered in either fed or fasted state), in Periods C and D, separated by at least seven days.