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Study aim
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Demonstration of bioequivalence of Methylphenidate10-mg Tablets of Vana Darou Gostar with Ritalin® tablet manufactured by Novartis after single dose administration.
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Design
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Single dose, not blind, randomized, and crossover bioequivalence study of Methylphenidate 10 mg tablets by Vana Darou Gostar Company with Ritalin® (Novartis Co.) in 24 healthy male volunteers in two groups
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Settings and conduct
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Study place and the place for blood sample analysis are the Drug Applied Research Center affiliated to Tabriz University of Medical Science, respectively. 24 healthy male volunteers will receive one of the two Methylphenidate10 mg tablets test or reference in random sequence according to the randomization schedule. The interval between receiving the medicine (washout period) is 7 days, If the first sequence receives Iranian medicine, they will receive brand medicine. Blood samples will be taken from all participants before and after receiving the drug at0.5,1,1.5,2, 2.5, 3, 3.5, 4,6,8,10and12hours after dosing.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: Healthy male subjects in the age range of 18-60 years and BMI (Body Mass Index) of 18-30. Exclusion criteria: Subjects with Blood Pressure ≤ 90/60 mm/Hg or BP ≥ 140/90 mm/Hg. Any evidence of impairment of renal, hepatic, cardiac, lung or gastrointestinal function or a history of tuberculosis, epilepsy, asthma, diabetes, psychosis or glaucoma and regular smoker.
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Intervention groups
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Intervention group 1:Methylphenidate 10 mg tablets by Vana Darou Gostar is the test product. Intervention group 2:Ritalin® by Novartis company is the reference product. In each period, 12 of 24 subjects will be given single dose of this product. After the washout period, the volunteers are placed in the opposite group.
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Main outcome variables
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Peak Plasma Concentration (Cmax); Area under the concentration-time curve (AUC).