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A Bioequivalence Study of Open-label, Randomized, Single Oral Dose, Two-way Crossover Design of Two Fixed Dose Combination of Generic Amlodipine Besylate 10 mg and Olmesartan Medoxomil 40 mg Film-coated Tablets and Reference Product in Healthy Thai Subjects under Fasting Conditions

A Bioequivalence Study of Open-label, Randomized, Single Oral Dose, Two-way Crossover Design of Two Fixed Dose Combination of Generic Amlodipine Besylate 10 mg and Olmesartan Medoxomil 40 mg Film-coated Tablets and Reference Product (NORMETECTM 10/40) in Healthy Thai Subjects under Fasting Conditions

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260126004
Enrollment
32
Registered
2026-01-26
Start date
2026-03-09
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

Healthy Thai Volunteers Healthy Thai Volunteers

Interventions

AMEXAN (10 MG/40 MG TABLET),NORMETEC (TABLETS 10 MG/40 MG)
Experimental Drug,Active Comparator Drug
Two Fixed Dose Combination of Generic Amlodipine/Olmesartan 10/40 mg Film-coated Tablets,Two Fixed Dose Combination of Amlodipine/Olmesartan 10/40 mg Film-coated Tablets

Sponsors

Assoc. Prof. Somruedee Chatsiricharoenkul
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: 1. Thai male and/or female age between 18-55 years 2. Has body mass index (BMI) between 18.0-30.0 kg/m2 3. Has been determined healthy by physical examination, assessment of medical history, and vital signs (blood pressure (systolic blood pressure not lower than 100 or not over 139 mmHg, diastolic blood pressure not lower than 70 or not over 89 mmHg), body temperature, pulse rate, respiratory rate) or showing no clinically significant abnormalities in the opinion of principal investigator/clinical investigator or designated physicians 4. Has normal or acceptable results (being assessed as not clinically significant by the principal investigator/clinical investigator) for all screening tests including: Complete Blood Count (CBC) with differential, Fasting Blood Sugar (FBS), Blood Urea Nitrogen (BUN), Creatinine (Cr), Aspartate Aminotransferase (AST or SGOT), Alanine Aminotransferase (ALT or SGPT), Alkaline Phosphatase (ALP), Albumin, Total Bilirubin, Potassium, Sodium, Chloride, Phosphorus and Urinalysis 5. Has negative result for Hepatitis B viral profile (HBsAg) 6. Has normal or acceptable report (being assessed as not clinically significant by the clinical investigator) for EKG 7. Female subjects must agree not to become pregnant for the entire participation period and must have a negative result for a urine pregnancy test performing at screening and prior to dosing at period 1 and period 2. 8. Female subjects who is childbearing potential or male subjects agree to use effective non-hormonal contraceptive methods (e.g., condom, diaphragm, cervical cap or sexual abstinence) or total abstinence from sexual intercourse from screening visit to the follow-up visit. 9. Female subject who is non-childbearing potential (hysterectomy, both ovaries removed, surgically sterilized or postmenopausal (for at least 12 consecutive months of amenorrhea)). 10. Non-smokers (never smoked or no smoking within the previous 1 year) 11. Refrain from using herbal medications, cannabis containing products, dietary supplements (e.g., St. Johns Wort, ginkgo biloba, garlic supplements), vitamins, grapefruit or grapefruit juice, or pomelo within 14 days prior to Day 1. Subjects must agree to refrain from these items until the last collection time-point of period 2. 12. Subjects must have ended the systematic medications at least 30 days prior to Day 1 and agree to continue their refraining throughout the follow-up period. 13. Subjects must refrain from drinking caffeine and alcohol for at least 72 hours prior to Day 1 and agree to continue their refraining throughout the last collection time-point of period 2. 14. Has ability and intention to comply with the requirement of study and available for the whole study period 15. Willing to participate, capable and voluntarily signed the informed consent form prior to participate the study

Exclusion criteria

Exclusion criteria: 1. Known hypersensitivity to Amlodipine besylate/Olmesartan medoxomil and/or related structure and/or its constituents. 2. Has history or concurrent symptoms of cardiovascular, gastrointestinal, hematological disorders, renal and hepatic impairment and/or any disease that may affect the bioavailability of the drug. 3. Alcohol abuse or excessive use (more than 1 time/week) in the last 12 months 4. Alcohol breath test at screening visit or before admission show alcohol concentration more than 0.000 %BAC. 5. History of drug abuse or urine sample shows a positive test for Morphine (Mor), Tetrahydrocannabinol (THC) and Methamphetamine (Meth) at screening visit or before IP dosing in each period. 6. Following a special diet (e.g., vegetarian) or dieting one month before the study initiation. 7. A pregnant woman (positive pregnancy test at screening or prior to IP dosing in each period) or woman in breast feeding period 8. A woman of childbearing potential and using hormonal contraceptive methods including oral contraceptives, hormone replacement therapy and transdermal contraceptives within 14 days prior to IP dosing and during the entire period of the study and/or using injected, intrauterine and implanted hormonal methods of contraception within 3 months prior to IP dosing and during the entire period of the study 9. A participant in any investigation drug study within last 30 days prior to screening (from the last visit that received medication to the screening visit) 10. Has blood donated or loss massive blood within last 3 months prior to Day 1

Design outcomes

Primary

MeasureTime frame
Drug concentration in plasma 0-72 hr AUCA, Cmax, Tmax, T1/2, The terminal rate constant or the slope of the regression line, The 90% CI

Secondary

MeasureTime frame
N/A N/A N/A

Countries

Thailand

Contacts

Public ContactSomruedee Chatsiricharoenkul

Siriraj Institute of Clinical Research (SICRES)

somruedee.cha@mahidol.ac.th024197571

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026