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Bioequivalence Study of Torrent Pharmaceutical Ltd.'s Topiramate Tablets Under Fed Conditions

Information source: Torrent Pharmaceuticals Limited
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Healthy

Intervention: topiramate (Drug)

Phase: Phase 1

Status: Completed

Sponsored by: Torrent Pharmaceuticals Limited

Summary

- Objective:

- Compare the bioequivalence of a test topiramate formulation (Torrent

Pharmaceuticals Limited) to an equivalent oral dose of the commercially available topiramate (Topamax«, Ortho-McNeil Neurologics, Inc.) in a test population of adult subjects under fed conditions.

- Clinical Design:

- Studies were Randomized, Two-Way Crossover, Single-Dose,Open-Label in healthy

human adult subjects.

Clinical Details

Official title: Study to Evaluate the Bioequivalence of a Test Tablet Formulation of Topiramate (2 x 25 mg), Compared to an Equivalent Dose of a Commercially Available Reference Drug Product (Topamax«, Ortho-McNeil Neurologics, Inc.) in Fed, Healthy, Adult Subjects

Study design: Allocation: Randomized, Endpoint Classification: Bio-equivalence Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Screening

Primary outcome:

Maximum Plasma Concentration (Cmax)

Area Under the Concentration Versus Time Curve From Time 0 to Time t [AUC(0-t)]

The Area Under the Plasma Concentration Versus Time Curve From Time 0 to Infinity AUC(0-Ôł×)

Eligibility

Minimum age: 18 Years. Maximum age: 55 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- Sex: Male or Female; similar proportions of each preferred.

- Age: At least 18 - 55 years (inclusive).

- Weight: BMI (Body Mass Index) 19 kg/m2 - 30 kg/m2 (inclusive).

- Qualifying subjects must be in good health and physical condition as determined by

medical history, complete physical examination, and laboratory tests, all obtained within four (4) weeks prior to study start. The subject may not have a history of significant past illness expected to affect the investigation. The normal status of subjects will be confirmed by the following procedures: 1. Laboratory Tests: Serum pregnancy test (female subjects only), hemoglobin, hematocrit, RBC, WBC, platelet count, differential count, serum electrolytes (Na, K, Cl), fasting blood glucose, BUN, bilirubin, creatinine, AST, ALT, LD, alkaline phosphatase, urinalysis, drugs of abuse, HIV, Hepatitis B, and Hepatitis C will be done for screening purposes. Laboratory values which are greater than 20% of the normal range will not qualify unless specifically accepted by a physician who is an investigator or sub-investigator for the clinical trial. Results of a serum pregnancy test (female subjects only), HIV, Hepatitis B, Hepatitis C, and drugs of abuse must be negative or non-reactive for the subject to qualify for the study. 2. Electrocardiogram A 12-lead electrocardiogram (ECG) will be obtained for all subjects. The original tracings, plus interpretation, will be included in the case report form packet.

- Subjects must read and sign the Consent Form.

Exclusion Criteria:

- Subjects not complying with the above inclusion criteria must be excluded from the

study.

- In addition, any one (1) of the conditions listed below will exclude a subject from

the study: 1. History of treatment for alcoholism, substance abuse, or drug abuse within the past 24 months. 2. History of malignancy, stroke, diabetes, cardiac, renal or liver disease, or other serious illness. 3. History of GERD (gastroesophageal reflux disease), malabsorption syndrome, colon cancer, or chronic colitis, including Crohn's disease. 4. History of treatment for asthma within the past five (5) years. 5. History of predisposition to renal calculi. 6. History of surgery within the past eight (8) weeks. 7. History of application of tattoo(s) within the past 30 days. 8. History of body piercing(s) within the past 30 days. 9. Females who are pregnant or lactating. 10. History of hypersensitivity to topiramate or any anticonvulsant medication.

- Conditions upon screening which might contraindicate or require that caution be used

in the administration of topiramate, including: 1. Sitting systolic blood pressure below 90 mm Hg, or diastolic pressure below 50 mm Hg. 2. Heart rate less than 50 beats per minute after a 5-minute rest in a seated position.

- Inability to read and/or sign the consent form.

- Treatment with any other investigational drug during the 30 days prior to the initial

dosing for this study.

- Subjects who have donated blood within 30 days prior to the initial dosing for this

study.

- Subjects who smoke more than 10 cigarettes per day.

- Subjects who do not tolerate venipuncture.

- Subjects who have difficulty fasting or consuming standardized meals.

Locations and Contacts

Gateway Medical Research, Inc., St, Charles, Missouri, United States
Additional Information


Last updated: September 8, 2011

Page last updated: August 23, 2015

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