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Ursodiol Tablets 500 mg Under Fasting Conditions

A Single-Dose, Comparative Bioavailability Study of Two Formulations of Ursodiol 500 mg Tablets Under Fasting Conditions

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00909610
Enrollment
80
Registered
2009-05-28
Start date
2006-12-31
Completion date
2007-01-31
Last updated
2024-08-19

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

Conditions

Healthy

Keywords

Bioequivalence, Healthy Subjects

Brief summary

The objective of this study was to evaluate the comparative bioavailability between Ursodiol 500 mg Tablets (test) and Urso Forte™ 500 mg Tablets (reference) after a single-dose in healthy subjects under fasting conditions.

Detailed description

Criteria for Evaluation: FDA Bioequivalence Criteria Statistical Methods: FDA bioequivalence statistical methods

Interventions

Ursodiol Tablets, 500 mg

Urso Forte™ Tablets, 500 mg

Sponsors

Teva Pharmaceuticals USA
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Healthy, non-smoking male and female subjects, 18 years of age or older. * BMI ≥ 19 and ≤ 30. * Negative for: 1. HIV. 2. Hepatitis B surface antigen and Hepatitis C antibody. 3. Using drugs of abuse test (marijuana, amphetamines, barbiturates, cocaine, opiates, benzodiazepines and methadone). 4. Urine cotinine test 5. Serum HCG consistent with pregnancy (females only) * No significant diseases or clinically significant findings in a physical examination. * No clinically significant abnormal laboratory values. * No clinically significant findings in vital signs measurements and a 12-lead electrocardiogram (ECG). * Be informed of the nature of the study and given written consent prior to receiving any study procedure. * Females who participate in this study are: 1. unable to have children (e.g. post-menopausal, tubal ligation, hysterectomy) OR 2. willing to remain abstinent \[not engage in sexual intercourse\] OR 3. willing to use an effective method of double-barrier birth control (e.g. partner using condom and female using diaphragm, contraceptive sponge, spermicide or IUD) * Females who participate in this study are not pregnant and/or non-lactating.

Exclusion criteria

* Known history or presence of any clinically significant medical condition. * Known or suspected carcinoma. * Known history or presence of: 1. Hypersensitivity or idiosyncratic reaction to ursodiol and/or any other drug substances with similar activity. 2. Alcoholism within the last 12 months. 3. Drug dependence and/or substance abuse. 4. Use of tobacco or nicotine-containing products within the last 6 months. * On a special diet within 4 weeks prior to drug administration (e.g. liquid, protein, raw food diet). * Participated in another clinical trial or received and investigational product within 30 days prior to drug administration. * Donated up to 250 mL of blood within the previous 30 days OR Donated from 251 to 499 mL of blood in the previous 45 days OR Donated more than 499 mL of blood in the previous 56 days (based on the Canadian Blood Services guideline for blood donation. * Females taking oral or transdermal hormonal contraceptives within 14 days preceding period 1 dosing. * Females having taken implanted or injected hormonal contraceptives within 6 months prior to period 1 dosing. * Requirement of any non-topical medication (prescription and/or over-the-counter, with systemic absorption) on a routine basis. * Difficulty fasting or consuming the standard meals. * Do not tolerate venipuncture. * Unable to read or sign the ICF.

Design outcomes

Primary

MeasureTime frameDescription
Cmax - Maximum Observed Concentration - for Total UrsodiolBlood samples collected over 72 hour periodBioequivalence based on Cmax
AUC0-72 - Area Under the Concentration-time Curve From Time Zero to 72 Hours - for Total UrsodiolBlood samples collected over 72 hour periodBioequivalence based on AUC0-72
Cmax for Baseline Corrected Total UrsodiolBlood samples collected over 72 hour periodBioequivalence based on Cmax
AUC0-72 for Baseline Corrected Total UrsodiolBlood samples collected over 72 hour periodBioequivalence based on AUC0-72
Cmax for Unconjugated UrsodiolBlood samples collected over 72 hour periodBioequivalence based on Cmax
AUC0-72 for Unconjugated UrsodiolBlood samples collected over 72 hour periodBioequivalence based on AUC0-72
Cmax for Unconjugated Ursodiol - Baseline CorrectedBlood samples collected over 72 hour periodBioequivalence based on Cmax
AUC0-72 for Unconjugated Ursodiol - Baseline CorrectedBlood samples collected over 72 hour periodBioequivalence based on AUC0-72

Countries

Canada

Participant flow

Participants by arm

ArmCount
Ursodiol
Ursodiol Tablets, 500 mg (test) dosed in first period followed by Urso Forte™ Tablets, 500 mg (reference) dosed in second period.
40
Urso Forte™
Urso Forte™ Tablets, 500 mg (reference) dosed in first period followed by Ursodiol Tablets, 500 mg (test) dosed in second period.
40
Total80

Withdrawals & dropouts

PeriodReasonFG000FG001
Period: First InterventionAdverse Event01
Period: Second InterventionAdverse Event10
Period: Washout of 28 DaysWithdrawal by Subject36

Baseline characteristics

CharacteristicUrsodiolUrso Forte™Total
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
40 Participants40 Participants80 Participants
Race/Ethnicity, Customized
Asian
4 Participants6 Participants10 Participants
Race/Ethnicity, Customized
Black
10 Participants11 Participants21 Participants
Race/Ethnicity, Customized
Caucasian
26 Participants23 Participants49 Participants
Region of Enrollment
Canada
40 participants40 participants80 participants
Sex: Female, Male
Female
20 Participants16 Participants36 Participants
Sex: Female, Male
Male
20 Participants24 Participants44 Participants

Outcome results

Primary

AUC0-72 - Area Under the Concentration-time Curve From Time Zero to 72 Hours - for Total Ursodiol

Bioequivalence based on AUC0-72

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolAUC0-72 - Area Under the Concentration-time Curve From Time Zero to 72 Hours - for Total Ursodiol76949.818 ng*h/mLStandard Deviation 29582.802
Urso Forte™AUC0-72 - Area Under the Concentration-time Curve From Time Zero to 72 Hours - for Total Ursodiol73342.048 ng*h/mLStandard Deviation 32482.856
90% CI: [101, 112]
Primary

AUC0-72 for Baseline Corrected Total Ursodiol

Bioequivalence based on AUC0-72

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolAUC0-72 for Baseline Corrected Total Ursodiol71039.735 ng*h/mLStandard Deviation 25782.013
Urso Forte™AUC0-72 for Baseline Corrected Total Ursodiol68003.665 ng*h/mLStandard Deviation 27591.922
90% CI: [100, 111]
Primary

AUC0-72 for Unconjugated Ursodiol

Bioequivalence based on AUC0-72

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolAUC0-72 for Unconjugated Ursodiol26739.080 ng*h/mLStandard Deviation 15149.751
Urso Forte™AUC0-72 for Unconjugated Ursodiol24303.192 ng*h/mLStandard Deviation 11676.848
90% CI: [103, 117]
Primary

AUC0-72 for Unconjugated Ursodiol - Baseline Corrected

Bioequivalence based on AUC0-72

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolAUC0-72 for Unconjugated Ursodiol - Baseline Corrected24795.871 ng*h/mLStandard Deviation 14561.991
Urso Forte™AUC0-72 for Unconjugated Ursodiol - Baseline Corrected22948.483 ng*h/mLStandard Deviation 10755.947
90% CI: [100, 115]
Primary

Cmax for Baseline Corrected Total Ursodiol

Bioequivalence based on Cmax

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolCmax for Baseline Corrected Total Ursodiol4864.646 ng/mLStandard Deviation 1910.294
Urso Forte™Cmax for Baseline Corrected Total Ursodiol4954.583 ng/mLStandard Deviation 2255.564
90% CI: [91.9, 111]
Primary

Cmax for Unconjugated Ursodiol

Bioequivalence based on Cmax

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolCmax for Unconjugated Ursodiol4412.700 ng/mLStandard Deviation 1714.737
Urso Forte™Cmax for Unconjugated Ursodiol4475.406 ng/mLStandard Deviation 2066.537
90% CI: [92.5, 111]
Primary

Cmax for Unconjugated Ursodiol - Baseline Corrected

Bioequivalence based on Cmax

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolCmax for Unconjugated Ursodiol - Baseline Corrected4384.711 ng/mLStandard Deviation 1716.444
Urso Forte™Cmax for Unconjugated Ursodiol - Baseline Corrected4456.451 ng/mLStandard Deviation 2066.59
90% CI: [92.2, 111]
Primary

Cmax - Maximum Observed Concentration - for Total Ursodiol

Bioequivalence based on Cmax

Time frame: Blood samples collected over 72 hour period

Population: Data from all subjects who completed the study was included in the statistical analysis.

ArmMeasureValue (MEAN)Dispersion
UrsodiolCmax - Maximum Observed Concentration - for Total Ursodiol4946.800 ng/mLStandard Deviation 1919.778
Urso Forte™Cmax - Maximum Observed Concentration - for Total Ursodiol5026.891 ng/mLStandard Deviation 2274.811
90% CI: [92.3, 111]

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026