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A Bioequivalence study of a randomized, open-label, single dose, two-way crossover design with two-period, two-treatment and two-sequence of Drospirenone 3 mg + Ethinyl Estradiol 0.03 mg Tablets relative to Yasmin in healthy Thai female volunteers under fasting condition

A Bioequivalence study of a randomized, open-label, single dose, two-way crossover design with two-period, two-treatment and two-sequence of Drospirenone 3 mg + Ethinyl Estradiol 0.03 mg Tablets relative to Yasmin in healthy Thai female volunteers under fasting condition

Status
Unknown
Phases
Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20241030001
Enrollment
32
Registered
2024-10-30
Start date
2025-03-31
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

The study is conducted in healthy Thai human volunteers (used as combined oral contraceptive pills) Bioequivalence Drospirenone 3 mg + Ethinyl Estradiol 0.03 mg Tablets

Interventions

The new generic products which were recently developed. Volunteer will receive a single dose of Drospirenone 3 mg + Ethinyl Estradiol 0.03 mg tablets with 250 mL of drinking water and at least 28 day
Experimental Drug,Active Comparator Drug
Drospirenone 3 mg + Ethinyl Estradiol 0.03 mg Tablets ,Yasmin

Sponsors

Bio-innova Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: 1. Willingness to provide written informed consent prior to participating in the study. 2. Healthy Thai female subjects are between 18 to 55 years of age. 3. The Body Mass Index (BMI) ranges from 18.5 to 30 kg/m2. 4. Comprehensive of the nature and purpose of the study, compliance with the requirements of the entire protocol, and consent to the blood collection by investigators of approximately 10 mL for the screening process and approximately 7 mL for monitoring the subjects safety after the completion of the study. 5. Negative urine pregnancy test for women and no breast-feeding. 6. Absence of significant diseases or clinically significant abnormal laboratory values on the laboratory evaluations, medical history or surgery during the screening. Some of the laboratory values e.g. complete blood count etc. that out of the normal range will be carefully considered by physician

Exclusion criteria

Exclusion criteria: 1. History or evidence of allergy or hypersensitivity to Drospirenone, Ethinyl Estradiol, any related drugs, or any of the excipients in this product. 2. Subject with a systolic blood pressure (BP) < 90 or >= 140 mmHg, diastolic BP < 60 or >= 90 mmHg, or a pulse rate > 100 beats per minute. 3. Serum bilirubin greater than 1.5 times the upper limit of reference range (ULRR).* 4. Serum creatinine greater than 1.5 times the upper limit of reference range (ULRR).* 5. Alanine amino transferase (ALT) or aspartate amino transferase (AST) greater than 2 times the upper limit of reference range (ULRR).* 6. Positive of hepatitis B or C virus. 7. Have more than one abnormal EKG which is considered clinically significant. * 8. History or evidence of heart disease (heart attack, coronary artery disease), renal impairment, liver disease, adrenal insufficiency, hypertension, vascular disease (deep vein thrombotic, pulmonary embolism, retinal thrombosis), stoke, gallbladder disease, migraine with aura, metabolic disorder 9. History or family history of VTE in a first degree relative under the age of 45. 10. History of abnormal uterine bleeding or coagulopathy. 11. History or family history in a first degree of breast cancer. 12. History or evidence of gastrointestinal (GI) disorder likely to influence drug absorption or previous GI surgery other than appendectomy. 13. Any major illness in the past 3 months or any ongoing chronic medical illness. 14. History of psychiatric disorder or depression. 15. History of regular alcohol consumption exceeding 7 drinks/week for females (1 drink = 5 ounces (150 mL) of wine or 12 ounces (360 mL) of beer or 1.5 ounces (45 mL) of hard liquor) and cannot stop at least 2 days before the study drug administration and until the completion of each period of the study. 16. History of regular smoking (more than 10 cigarettes per day within past 1 year), if moderate smokers (less than 10 cigarettes per day) cannot stop at least 7 days before the study drug administration and until the completion of the study. 17. High caffeine/xanthine consumption (more than 5 cups of coffee or tea per day) and cannot stop at least 2 days before the study drug administration and until the completion of each period of the study. 18. History of pomelo or grapefruit or grapefruit products consumption and cannot stop at least 7 days before the study drug administration and until the completion of each period of the study. 19. History of St. Johns Wort products consumption and cannot stop at least 28 days before the study drug administration and until the completion of the study. 20. Positive drug abuse test in urine (Benzodiazepines, Marijuana (THC), Methamphetamine, Cocaine and Opioids). 21. Receipt of any prescription drug therapy within 14 days or 5 half-lives (whichever longer) preceding the first dose of study medication or Over-the-Counter (OTC) drugs or herbal medicines/food supplement within 7 days or hormonal methods of contraception within 28 days (Depo-Provera must be discontinued at least 6 months) prior to receiving the first dose of study medication. 22. History of difficulty in accessibility of veins in left and right arm. 23. Blood donation (one unit or 450 mL) within the past 3 months before the study. 24. Participation in any clinical study within the past 3 months before the study. 25. Subjects who are unwilling or unable to comply with the lifestyle guidelines described in this proto

Design outcomes

Primary

MeasureTime frame
Maximum plasma concentration, area under the plasma concentration curve from dosing to last observed concentration at time t, area under the plasma concentration curve extrapolated to infinite time pre-dose (0.00 hour) and at 0.333, 0.667, 1.000, 1.333, 1.667, 2.000, 2.333, 2.667, 3.000, 3.500, 4.000, 4.500, 6.000, 8.000, 12.000, 16.000, 24.000, 36.00, 48.000 and 72.000 hours post-dose Pharmacokinetics parameter

Secondary

MeasureTime frame
Safety; Adverse events pre-dose, at approximately 1.0, 2.0, 4.0, 12.0, 24.0, 36.0, 48.0, and 72.0 hours post-dose Safety monitoring, vital sign

Countries

Thailand

Contacts

Public ContactSasitorn Kittivoravitkul

Bio-innova Co., Ltd

sasitorn_k@bio-innova.com022549008

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026