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A Bioequivalence Study of 3 Formulations of Ondansetron in Healthy Adults (0869-095)(COMPLETED)

An Open-Label, Randomized, Single Dose, 3-period Crossover Study to Determine the Bioequivalence of 3 Formulations of Ondansetron in Healthy Young Adult Male and Female Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00971633
Enrollment
12
Registered
2009-09-04
Start date
2003-11-30
Completion date
2004-01-31
Last updated
2016-09-14

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

Conditions

Chemotherapy-Induced Nausea and Vomiting

Brief summary

This study will assess the bioequivalence of a Merck clinical trial formulation of ondansetron compared to a U.S. and non-U.S. marketed formulation of ondansetron.

Interventions

DRUGComparator: Treatment A (Zofran, ondansetron)

an over-encapsulated single 8 mg tablet of United Kingdom (U.K.) Zofran taken by mouth (PO)

DRUGComparator: Treatment B (Zofran, ondansetron)

a single 8 mg tablet of Zofran marketed in the U.K., taken PO

DRUGComparator: Treatment C (Zofran, ondansetron)

a single 8 mg tablet of Zofran marketed in the United States (U.S.), taken PO

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* If female, subject is not pregnant or breast-feeding * Subject is a nonsmoker * Subject is in good general health

Exclusion criteria

* Subject has a history of high blood pressure, asthma, or cardiovascular, liver, neurologic, or kidney disease * Subject is taking prescription or nonprescription drugs that can not be discontinued during the study * Subject is a habitual and heavy consumer of caffeine

Design outcomes

Primary

MeasureTime frame
Area Under the Plasma Concentration-Time Curve From Zero to Infinity (AUC) of Ondansetron0 (predose), 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 18, and 24 hours post dose
Maximum Plasma Concentration (Cmax) of Ondansetron24 hours post dose

Participant flow

Participants by arm

ArmCount
All Participants
All randomized participants
12
Total12

Baseline characteristics

CharacteristicAll Participants
Age, Continuous31.7 years
Height171.1 centimeters
Sex: Female, Male
Female
5 Participants
Sex: Female, Male
Male
7 Participants
Weight78.5 kilograms

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
0 / 120 / 122 / 12
serious
Total, serious adverse events
0 / 120 / 120 / 12

Outcome results

Primary

Area Under the Plasma Concentration-Time Curve From Zero to Infinity (AUC) of Ondansetron

Time frame: 0 (predose), 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 18, and 24 hours post dose

Population: All study participants (N=12)

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Treatment OE U.K. TabletArea Under the Plasma Concentration-Time Curve From Zero to Infinity (AUC) of Ondansetron644 nM*hrStandard Deviation 240
Treatment U.K. TabletArea Under the Plasma Concentration-Time Curve From Zero to Infinity (AUC) of Ondansetron712 nM*hrStandard Deviation 233
Treatment U.S. TabletArea Under the Plasma Concentration-Time Curve From Zero to Infinity (AUC) of Ondansetron649 nM*hrStandard Deviation 255
Comparison: Treatment OE U.K. tablet: an over-encapsulated single 8-mg tablet of United Kingdom (U.K.) ZOFRAN (ondansetron) taken orally Treatment U.K. tablet: a single 8-mg tablet of ZOFRAN (ondansetron) which is marketed in the United Kingdom (U.K.) taken orally95% CI: [0.796, 1.028]
Comparison: Treatment OE U.K. tablet: an over-encapsulated single 8-mg tablet of United Kingdom (U.K.) ZOFRAN (ondansetron) taken orally Treatment U.S. tablet: a single 8-mg tablet of ZOFRAN (ondansetron) which is marketed in the United States (U.S.) taken orally95% CI: [0.873, 1.126]
Primary

Maximum Plasma Concentration (Cmax) of Ondansetron

Time frame: 24 hours post dose

Population: All study participants (N=12)

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Treatment OE U.K. TabletMaximum Plasma Concentration (Cmax) of Ondansetron82 nMStandard Deviation 18
Treatment U.K. TabletMaximum Plasma Concentration (Cmax) of Ondansetron93 nMStandard Deviation 16
Treatment U.S. TabletMaximum Plasma Concentration (Cmax) of Ondansetron86 nMStandard Deviation 20
Comparison: Treatment OE U.K. tablet: an over-encapsulated single 8-mg tablet of United Kingdom (U.K.) ZOFRAN (ondansetron) taken orally Treatment U.K. tablet: a single 8-mg tablet of ZOFRAN (ondansetron) which is marketed in the United Kingdom (U.K.) taken orally95% CI: [0.813, 0.966]
Comparison: Treatment OE U.K. tablet: an over-encapsulated single 8-mg tablet of United Kingdom (U.K.) ZOFRAN (ondansetron) taken orally. Treatment U.S. tablet: a single 8-mg tablet of ZOFRAN (ondansetron) which is marketed in the United States (U.S.) taken orally95% CI: [0.872, 1.037]

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