Skip to content

A study to evaluate the bioequivalence of Quetiapine with Seroquel in adult schizophrenic patients.

An open label, balanced, randomized, two treatment, two-period, two-sequence, crossover, multicentric experimental bioequivalence study comparing Quetiapine film coated tablets 300 mg (Manufactured by Intas Pharmaceuticals Ltd., India) to the reference listed drug Seroquel® film coated tablets 300mg (Manufactured by AstraZeneca USA) under fasting conditions after multiple dose administration at steady state in adult schizophrenic patients stabilized on Quetiapine 600 mg per day. - NA

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2010/091/000001
Enrollment
48
Registered
2010-01-19
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: F209- Schizophrenia, unspecified

Interventions

Intervention1: Quetiapine film coated tablets 300 mg (as quetiapine fumarate): Patients will be administered either Test or Reference product twice daily for the first four days followed by crossover
film coated tablets 300 mg(Each film coated tablet containing quetiapine 300 mg as quetiapine fumarate): Patients will be administered either Test or Reference product twice daily for the first four d

Sponsors

Intas Pharmaceuticals Ltd
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Written informed consent for participation in the study by the patient and Patient?s Legally Authorized Representative (LAR). 2.Schizophrenic patients, between 18 and 60years of age (inclusive). 3.Patient has a documented clinical diagnosis of schizophrenia (DSM IV-TR) on a stable dose of Quetiapine 600 mg per day for at least 10 days prior to screening. 4.Having a Body Mass Index (BMI) between 18 and 30 (inclusive), calculated as weight in kg / height in m2. 5.Not having any significant diseases or clinically significant abnormal findings except schizophrenia during screening, medical history, physical examination, laboratory evaluations, 12-lead ECG and X-ray chest (postero-anterior view) recordings. 6.The investigator must ensure that the respective hepatic, renal, haematopoietic, cardiac and respiratory functions are appropriate to include the patient in the study. 7.Able to comply with study procedures in the opinion of the investigator. 8.In case of female patient the serum pregnancy test at screening visit and urine pregnancy test at day 1 and day 5 (before dosing) must be negative.

Exclusion criteria

Exclusion criteria: 1. Known hypersensitivity or idiosyncratic reaction to Quetiapine and its excipients. 2. Current or relevant history of serious, severe or unstable psychiatric illness (Meeting the criteria for any other (Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) Axis I) except schizophrenia. 3. Presence of Postural Hypotension (Defined as systolic blood pressure decrease of at least 20 mm Hg or a diastolic blood pressure decrease of at least 10 mm Hg within three minutes of standing up). 4. History of syncope or orthostatic hypotension. 5. Smokers who smoke 10 or more than 10 cigarette/day or inability to abstain from smoking during the study. 6. The presence of clinically significant abnormal laboratory values during screening. 7. Donation of blood (1 unit or 350 mL) within 90 days prior to receiving the first dose of study medication or during the study. Note: In case the blood loss is less than or equal to 200 mL; Patient may be dosed 60 days after blood donation. 8. A positive hepatitis screen including hepatitis B surface antigen, HCV and HAV IgM antibodies. 9. Known case of HIV infection. 10. Supine blood pressure less than 110/70 mm Hg or pulse rate less than 60 or more than 100 beats per minute at screening. 11. Presence of cataract on Opthalmoscopic examination (slit lamp exam). 12. History of seizures. 13. History of agranulocytosis. 14. Patients having Hypertension or on any antihypertensive medication. 15. Patients with Diabetes mellitus or fasting blood glucose ≥ 126 mg/dl at screening visit. 16. Patients with abnormal thyroid function test at screening visit which as judged by Investigator could lead to safety risk to the patient upon participation in the trial or could interfere with the conduct of the trial. 17. Patient with hyperprolactinemia at screening visit which as judged by Investigator could lead to safety risk to the patient upon participation in the trial or could interfere with the conduct of the trial. 18. Dementia related psychosis. 19. Pregnant or lactating females.

Design outcomes

Primary

MeasureTime frame
Primary PK Parameters: Cmax,ss and AUC,ssTimepoint: NIL

Secondary

MeasureTime frame
Secondary PK Parameters: Cmin,ss, Tmax, PTF and Css,avTimepoint: NIL

Countries

India

Contacts

Public ContactDr Ankit Ranpura

Lambda Therapeutic Research Ltd

praveenshetty@lambda-cro.com079-40202098

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026