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Comparative pharmacokinetic study of two different formulations of Olsalazine under fasting conditions in healthy adult volunteers.

An open-label, balanced, randomized, three-treatment, four-sequence, four-period, single dose, partial replicate, crossover, oral bioequivalence study of Test product 1 (T1), Olsalazine sodium 250 mg (250 mg x 2) capsules (Zuventus Healthcare Limited, India) and Test product 2 (T2), Olsalazine sodium 500 mg (500 mg x 1) capsules (Zuventus Healthcare Limited, India) with Reference product (R), Olsalazine Sodium 250 mg (250 mg x 2) capsules (Atnahs Pharma UK Limited, Sovereign House, Miles Gray Road, Basildon, Essex, SS14 3FR, United Kingdom) in healthy, adult, human subjects under fasting conditions. - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/03/083410
Enrollment
28
Registered
2025-03-25
Start date
Unknown
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

None listed

Interventions

Intervention1: Olsalazine sodium 250 mg (250 mg x 2) capsules (Zuventus Healthcare Limited, India) and Olsalazine sodium 500 mg (500 mg x 1) capsules (Zuventus Healthcare Limited, India): 1 capsule as

Sponsors

Zuventus Healthcare Limited
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Healthy adult human subjects between 18-45 years of age (including both) 2. Subjects are able to communicate effectively. 3. Voluntary participation. 4. Subjects willing to give written informed consent and adhere to all the requirements of this protocol. 5. Body mass index in the range of 18.5 to 29.9 kg/m and weight equal to or more than 50 kgs. 6. Normal 12-lead ECG. 7. Normal chest X-ray. 8. Non-smokers and non-alcoholics. 9. Normal laboratory parameters. 10. Subject willing to abstain from all kinds of St John wort or grapefruit or citrus containing foods or juices from 07 days prior to admission until the last post dose blood sample collection in each study period and caffeine/xanthine containing foods or beverages (i.e., coffee, tea, chocolate, and caffeine-containing sodas, colas, etc.) from 72.00 hours prior to admission until the last post dose blood sample collection in each study period. 11. Female subjects of childbearing potential practicing an acceptable method of birth control for the duration of the study and willing to practice an acceptable method of birth control for 05 days after last dose as judged by the investigator(s), such as condoms, foams, jellies, diaphragm, intrauterine device (IUD) or abstinence. Or Surgically sterile (bilateral tubal ligation, bilateral oophorectomy, or hysterectomy has been performed on the subject).

Exclusion criteria

Exclusion criteria: 1. Volunteers with a known history of contraindication or hypersensitivity (e.g., anaphylaxis) to olsalazine or related class of drugs and any of its ingredients. 2. A history or presence of significant asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs, severe, rarely fatal, anaphylactic-like reactions to NSAIDs, seizures, diabetes, migraine, hypertension, cardiovascular, pulmonary, neurological or psychiatric disease/disorder, dermatological, endocrine, immunological, hepatic impairment (such as Child-Pugh Class C), renal impairment, hematopoietic, gastrointestinal, ongoing infectious diseases, or any other significant abnormality as evidenced by medical history and physical examination or according to the opinion of the physician. 3. History or presence of gastrointestinal (GI) inflammation, bleeding, ulceration, and perforation of the stomach, small intestine, or large intestine 4. History or evidence of exfoliative dermatitis, Stevens Johnson syndrome (SJS), and toxic epidermal necrolysis (TEN). 5. Any known enzyme inducing or inhibiting drug taken within 14 days before the study. 6. Participation in a drug research study within 90 days prior to dosing of this study. 7. Blood loss (more than 100 ml) or whole blood donation within 90 days prior to dosing. 8. A depot injection or implant of any drug within 3 months prior to the first dose of study medication. 9. History of addiction to any recreational drug or drug dependence. 10. An unusual or abnormal diet, for whatever reason within 48.00 hours prior to admission of each period, e.g., fasting due to religious reasons. 11. History of dehydration from diarrhea, vomiting or any other reason within a period of 24.00 hours prior to study admission of each study period. 12. Positive results for drugs of abuse (benzodiazepines, cocaine, opioids, amphetamines, cannabinoids and barbiturates) in urine during the admission of each study period. 13. Positive results for alcohol consumption during the admission of each study period. 14. Intolerance to venipuncture. 15. Difficulty with donating blood. 16. Difficulty in swallowing investigational products. 17. Blood pressure on the day of admission of each study period. 18. Systolic blood pressure less than 100 mm Hg or more than 140 mm Hg. 19. Diastolic blood pressure less than 60 mm Hg or more than 90 mm Hg. 20. Pulse rate less than 60 beats/minute or more than 100 beats/minute on the day of admission of each study period. 21. Use of any prescribed medication or OTC medicinal products including vitamins and herbal drugs within the 2 weeks or at least 5 half-lives of the compound whichever period is longer prior to commencement of the study. 22. History of alcohol abuse and/or dependence within six months of screening visit or History of drug abuse or use of illegal drugs within 90 days prior to dosing of this study. 23. Females with positive results on serum pregnancy test. 24. Females currently breast-feeding. 25. Female volunteer who has used implanted or injected hormonal contraceptives anytime during the 6 months prior to study or used oral hormonal contraceptives within 14 days before dosing.

Design outcomes

Primary

MeasureTime frame
Pharmacokinetic parameters Cmax, AUC0-t and AUC0-inf of Olsalazine from the test product to that of reference product will be assessed.Timepoint: Pre-dose (00.00 hour) and 00.25, 00.50, 00.75, 01.00, 01.25, 01.50, 02.00, 03.00, 04.00, 06.00, 08.00, 12.00, 16.00 and 24.00 hours post-dose.

Secondary

MeasureTime frame
Assessment of safety of single oral dose of test and reference product.Timepoint: Through-out the study period;Pharmacokinetic parameters Tmax, T1/2, Kel and AUC_%Extrap of Olsalazine from test products to that of reference product will be assessed.Timepoint: Pre-dose (00.00 hour) and 00.25, 00.50, 00.75, 01.00, 01.25, 01.50, 02.00, 03.00, 04.00, 06.00, 08.00, 12.00, 16.00 and 24.00 hours post-dose.

Countries

India

Contacts

Public ContactDr Bhupesh Dewan

Zuventus Healthcare Limited

bhupesh.dewan@zuventus.com02235060000

Outcome results

None listed

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