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About
Phase 1 study designed to evaluate the relative bioavailability of a single dose of a test formulation, DSM265-TPGS 34% SDD powder in comparison with a reference DSM265 25% SDD powder formulation used in early clinical trials.
Full description
The objective of this study is to compare the relative bioavailability of oral DSM265-TPGS 34% SDD formulation with that of a reference 25% SDD powder for suspension used in previous clinical trials. Another objective of the study is to evaluate the effect of food on bioavailability of the DSM265-TPGS 34% SDD formulation.
The current 25% SDD powder for suspension clinical formulation is a suspension which requires reconstitution/administration in 240 mL sucralose based vehicle (for a 400 mg adult dose). This volume is too large for paediatric patients with malaria (e.g., translates into a 30 mL volume for 0.5-2 yr old patients); also, the dosing vehicle is not commercially viable. The new formulation dissolves in a smaller volume of a more common vehicle, water (40 mL for 400 mg adult dose).
Enrollment
Sex
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Volunteers
Inclusion and exclusion criteria
Subjects or their legally authorized representative must voluntarily sign and date each informed consent, approved by an Independent Ethics Committee(IEC) / Institutional Review Board (IRB), prior to the initiation of any screening or study-specific procedures.
Male or female between 18 and 55 years of age inclusive at the time of screening.
Body Mass Index (BMI) is ≥ 18.0 to ≤ 29.9 kg/m2 after rounding to the tenths decimal. BMI is calculated as weight in kg divided by the square of height measured in meters.
Females must be of Non-Childbearing Potential as defined below
Females do not need to use birth control during or following study drug treatment if considered of non-childbearing potential due to meeting any of the following criteria:
Female who is not pregnant, breastfeeding, or considering becoming pregnant during the study or for approximately 120 days after the last dose of study drug.
Male subjects who are sexually active with a female partner of childbearing potential, must agree to use condoms, even if the male subject has undergone a successful vasectomy, from Study Day 1 through 120 days after the last dose of study drug. His female partner(s) must also use at least one of the following methods of birth control:
Male who is not considering fathering a child or donating sperm during the study or for approximately 120 days after the last dose of study drug.
Laboratory values meet the following criteria:
No clinically significant ECG abnormalities including
A condition of general good health, based upon the results of a medical history, physical examination, vital signs, laboratory profile and a 12-lead ECG.
No history of: epilepsy, any clinically significant cardiac, respiratory (except mild asthma as a child), renal, hepatic, gastrointestinal, hematologic or psychiatric disease or disorder, or any uncontrolled medical illness.
No history of any clinically significant sensitivity or allergy to any medication or food.
No history of or active medical condition(s) or surgical procedure(s) that might affect gastrointestinal motility, pH, or absorption [e.g., Crohn's disease, celiac disease, gastroparesis, short bowel syndrome, gastric surgery (except pyloromyotomy for pyloric stenosis during infancy), cholecystectomy, vagotomy, bowel resection].
No evidence of dysplasia or history of malignancy (including lymphoma and leukemia) other than successfully treated non-metastatic cutaneous squamous cell, basal cell carcinoma or localized carcinoma in situ of the cervix.
No history of any clinically significant illness/infection/major febrile illness, hospitalization, or any surgical procedure within 30 days prior to the first dose of study drug.
Has not donated blood (including plasmapheresis), lost ≥ 550 mL blood volume, or received a transfusion of any blood product within 8 weeks prior to study drug administration.
No consumption of alcohol, grapefruit products, Seville oranges, starfruit products or quinine/tonic water within the 72-hour period prior to study drug administration.
No use of tobacco or nicotine-containing products within 180 days prior to the first dose of study drug.
No history of clinically significant (per Investigator's judgment) drug or alcohol abuse within the last 6 months.
Is not currently enrolled in another interventional clinical study.
Has not been previously enrolled in this study.
In the opinion of the investigator, this subject is a suitable candidate for enrollment in the study.
Subjects must not have been treated with any investigational drug within 30 days or 5 half-lives of the drug (whichever is longer) prior to the first dose of study drug.
Subject must not have received any live vaccine within 4 weeks prior to the first dose of study drug, or expected need of live vaccination during study participation including at least 4 weeks after the last dose of study drug.
Subject must not require any over-the-counter and/or prescription medication, vitamins and/or herbal supplements, with the exception of contraceptives or hormonal replacement therapies for females, on a regular basis.
Subject must not use any medications within the 2-week period prior to study drug administration.
Receipt of any drug by injection within 30 days or within a period defined by 5 half-lives, whichever is longer, prior to study drug administration.
No use of known inhibitors (e.g., ketoconazole) or inducers (e.g., carbamazepine) of cytochrome P450 3A (CYP3A) within 1 month prior to study drug administration.
No exposure to DSM265 within the past 90 days prior to first dose of study drug.
Primary purpose
Allocation
Interventional model
Masking
42 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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