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A Study to Evaluate Orally-Administered Oseltamivir and Intravenous Zanamivir in Healthy Subjects

Phase 1, Open-Label Study to Evaluate Potential Pharmacokinetic Interactions Between Orally-Administered Oseltamivir and Intravenous Zanamivir in Healthy Thai Adult Subjects

Status
Withdrawn
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00540501
Enrollment
0
Registered
2007-10-08
Start date
2007-10-31
Completion date
2007-10-31
Last updated
2010-05-31

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

Conditions

Healthy Subjects

Keywords

zanamivir,, influenza virus,, healthy volunteer,, PK, drug interaction,, IV, and oseltamivir.

Brief summary

This study is a 4 period study to see if there is any interaction between Orally-Administered Oseltamivir and Intravenous Zanamivir in Healthy Thai Adult Subjects

Interventions

DRUGOseltamivir and Intravenous Zanamivir

Oseltamivir will be administered PO q12h for 3 days (for a total of 5 doses ending the morning of day 3. Both drugs will be administered simultaneously starting on Day 1 of Period 3. Zanamivir will be administered IV q12h for 3 days (for a total of 5 doses ending on the morning of day 3. Zanamivir to be given four (4) hours after the oral dose of oseltamivir and infused over 30 minutes.

Sponsors

GlaxoSmithKline
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy Volunteer(s)confirmed by physical exam, clinical labs, ECGs, and vitals * Must be woman of non-childbearing potential or willing to abstain from intercourse for two weeks prior to study drug administration and throughout the study or be willing to use two acceptable methods of birth control.

Exclusion criteria

* Subjects with history of certain heart problems or subjects with Hepatitis B, C or HIV.

Design outcomes

Primary

MeasureTime frame
Oseltamivir carboxylate levels: Cmax and AUC(0-12)-Period 2: Day 1, 2 & 3. Period 3: Day 1, 2 & 3. Period 4: Day 1, 2 & 3.

Secondary

MeasureTime frame
Oseltamivir: Cmax, AUC(0-12)& C12. Oseltamivir carboxylate: C12, AUC(0-24)& t1/2.Period 2-4 Day 1-3
Zanamivir: Cmax, AUC(0-12), C12, t1/2, CL, tmax & V2 .Period 1, 3 & 4 Day 1-3
Safety:labs, vitals, ECGs & AEs.Period 1-4, Days 1-4.

Outcome results

None listed

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