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Raltegravir Kaletra Pharmacokinetics

An Open-Label, Sequential, 3-Period Study to Evaluate Pharmacokinetics of Coadministered Raltegravir (Isentress) and Lopinavir-Ritonavir (Kaletra) in Healthy Adults

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00564772
Acronym
RAL-KAL
Enrollment
15
Registered
2007-11-28
Start date
2007-11-30
Completion date
2007-12-31
Last updated
2019-03-20

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

Conditions

Healthy

Keywords

raltegravir, lopinavir, ritonavir, pharmacokinetics

Brief summary

This will be an open-label, 3-period, fixed sequence study in young, healthy, male and female subjects of the pharmacokinetic interaction between raltegravir and Kaletra.

Detailed description

This will be an open-label, 3-period, fixed sequence study in young, healthy, male and female subjects. The initial cohort, to be studied simultaneously, will be 15 subjects with intention to collect complete data from 12 subjects. Replacements will be subsequently enrolled if necessary. Subjects will be reimbursed. The periods will be * Period 1: Raltegravir (RAL) 400 mg q12h for 4 days (7 doses of RAL). * Period 2: Kaletra 200 mg 2 pills bid for 10 days (19 doses of Kaletra). * Period 3: both regimens for 4 days (7 doses of both drugs). All morning doses will be observed at Prism Research, Inc. Evening doses will be distributed each morning. 12 hour PK studies will be done on the last day of each period. Specimens will be obtained 0, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 10, 12 hours after the morning dose of the last dosing day of each period.

Interventions

DRUGRaltegravir, lopinavir, ritonavir

4 days of raltegravir, then 10 days of Kaletra, then 4 days of both with 12 PK sampling at the end of each period.

Sponsors

Allina Health System
Lead SponsorOTHER

Study design

Allocation
NON_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, male or female, age 18-55. * Anti-HIV, anti-HCV, HBsAg negative. * Normal history and physical at screening. * Normal complete blood count, creatinine and ALT at screening. * Negative urine pregnancy test at screening. * BMI 18-30.

Exclusion criteria

* Donated blood in the month before Day 1. * Participated in another research study in the month before Day 1. * Tobacco use in the 3 months before Day 1, unwillingness to avoid tobacco use during the study. * Use of any illegal drug in the year before Day 1, positive drug screen for an illegal drug at screening. * Unwillingness to restrict coffee use to 6 or fewer cups of coffee during the study. * Unwillingness on the part of fertile female subjects to be abstinent or to use two effective birth control methods, one of which is a barrier method, for any vaginal intercourse. * Unwillingness to avoid use of any prescribed medication during the study * Allergy to RAL, lopinavir or ritonavir.

Design outcomes

Primary

MeasureTime frame
drug levels of lopinavir, ritonavir, raltegravir2 months

Secondary

MeasureTime frame
safety2 months

Countries

United States

Outcome results

None listed

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