Bioavailability and Effect of Food on DSM265 Granules in Healthy Adult Subjects

Inclusion Criteria: * Female subjects of non-child bearing potential: * surgically sterile (by hysterectomy and/or bilateral oophorectomy and/or bilateral salpingectomy or bilateral tubal ligation) OR * postmenopausal (without use of hormonal contraceptive and spontaneous amenorrhea for 12 months and follicle stimulating hormone \> 40 IU/mL age appropriate for menopause and no other medical explanation for amenorrhea) * Males: * If he (including those who have had a vasectomy) is sexually active with female partner(s) of childbearing potential, he must agree, from Day 1 through 120 days after the dose of study drug to practice the continuous acceptable methods of contraception with his partner(s). * If he has a female partner who is postmenopausal or permanently sterile, the male subject must agree to use condoms from Day 1 through 120 days after the dose of study drug * Females must have negative pregnancy tests: * at Screening within 28 days prior to initial study drug administration, and * prior to dosing on Study Day -1 * Body Mass Index at least 18.0 and less than / equal to 29.9. Body weight must be \>50 kg * General good health, based on medical history, physical examination, vital signs, laboratory profile and Electrocardiogram * Voluntarily sign and date each informed consent, approved by an Institutional Review Board, prior to any screening or study procedures Exclusion Criteria: * Female who is pregnant, breastfeeding or is considering becoming pregnant during the study or for approximately 60 days after the dose of study drug * Male who is considering fathering a child or donating sperm during the study or for 120 days after the last dose of study drug * History of significant sensitivity to any drug * History of epilepsy, any clinically significant cardiac, respiratory, renal, hepatic, gastrointestinal, hematologic or psychiatric disease or disorder, or any uncontrolled medical illness * History of gastric surgery (except phyloromoyotomy for pyloric stenosis during infancy), vagotomy, bowel resection or any surgical procedure that might interfere with gastrointestinal motility, pH or absorption * Requirement for any over-the-counter or prescription medication, vitamins or herbal supplements, except contraceptives or hormone replacement therapy for females, on a regular basis * Use of any medication, vitamins / herbal supplements except contraceptives or hormone replacement therapy for females, within 2 weeks prior to study drug administration or within 5 half-lives, whichever is longer * Receipt of any drug by injection within 30 days or 5 half-lives, whichever is longer, prior to study drug administration, except parenteral hormonal contraceptives for females * Receipt of any investigational product within 6 weeks prior to study drug administration or 5 half-lives, whichever is longer * Recent (6-month) history of drug or alcohol abuse * Consumption of alcohol within 72 hours prior to study drug administration * Consumption of grapefruit or grapefruit products, Seville oranges, starfruit, or products containing any of these ingredients, and/or quinine/tonic water from 7 days prior to study drug administration * Use of tobacco or nicotine-containing products within 6 months before study drug administration * Positive for hepatitis A virus immunoglobulin M, hepatitis B surface antigen or hepatitis C virus antibody or HIV antibodies. Negative HIV status will be confirmed at Screening and results will be maintained confidentially * Positive screen for drugs of abuse, or alcohol or cotinine or positive and clinically significant urine adulterants test * Donation or loss of 550 mL or more blood volume (including plasmapheresis) or receipt of a transfusion of any blood product in 8 weeks prior to study drug administration * Current enrollment in another clinical study * Previous enrollment in this study * Consideration by the investigator, for any reason, that the subject is an unsuitable candidate to receive DSM265