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Drug-Drug Interaction of Darunavir/Ritonavir on Pitavastatin

Drug-Drug Interaction Study to Assess the Effects of Steady-State Darunavir/Ritonavir on Steady-State Pitavastatin in Healthy Adult Volunteers

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01422369
Enrollment
28
Registered
2011-08-24
Start date
2011-04-30
Completion date
2011-06-30
Last updated
2012-07-13

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

Conditions

Healthy

Keywords

Healthy Volunteers

Brief summary

This is a Phase 4, single center, open label, fixed-sequence, multiple dose, 2-way drug-drug interaction study.

Detailed description

This is a Phase 4, single center, open label, fixed-sequence, 2-way drug-drug interaction study. Each subject will qualify for entry into the study not more than 30 days before admission into the clinical unit. Subjects will check into the clinical unit on Day -1 for baseline assessments. There will be 1 treatment period, with each subject receiving a once daily dose of pitavastatin 4 mg on Days 1 through 5 and Days 12 through 16 and a once daily dose of darunavir/ritonavir 800 mg/100 mg on Days 6 through 16. On Days 1 through 4, 6 through 10, and 12 through 15, study drug will be administered 30 minutes before a standard breakfast. On Days 5, 11, and 16, subjects will fast at least 8 hours before receiving study drug and remain fasted for 4 hours after dosing.

Interventions

Pitavastatin (NK-104) 4mg once daily (QD)

DRUGDarunavir/Ritonavir (Prezista)

Darunavir/Ritonavir (Prezista) 800 mg/100 mg

Sponsors

Kowa Research Institute, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy adult male or female volunteer aged 18 to 45 years, inclusive. * Subject has a body mass index of 18 to 30 kg/m2, inclusive. * Subject has normal hematology, serum chemistry, and urinalysis test results * Subject is able and willing to abstain from alcohol, grapefruit, caffeine or caffeine containing products, St John's wort, and herbal supplements for 4 days before Day 1 and until completion of the study * Subject is a nonsmoker or has quit smoking at least 6 months before the first dose of study drug and until study completion.

Exclusion criteria

* Subject has had any surgery of the gastrointestinal tract likely to affect drug absorption, distribution, metabolism, or excretion. * Subject has had a previous allergy or intolerance to treatment with pitavastatin, darunavir, ritonavir, sulfonamides, or any drugs in these classes. * Subject has a history of drug or alcohol abuse. * Subject has had a clinically significant illness within 4 weeks before the first dose of study drug.

Design outcomes

Primary

MeasureTime frame
NK-104 AUC16 Days

Secondary

MeasureTime frame
Number of Participants With at Least One Adverse Event.16 Days

Countries

United States

Participant flow

Recruitment details

1st Subject Enrolled 20 April 2011 Last Subject Completed 10 June 2011

Participants by arm

ArmCount
All Subjects
All randomized subjects
28
Total28

Baseline characteristics

CharacteristicAll Subjects
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
28 Participants
Age Continuous30.5 years
STANDARD_DEVIATION 6.61
Region of Enrollment
United States
28 participants
Sex: Female, Male
Female
7 Participants
Sex: Female, Male
Male
21 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
13 / 28
serious
Total, serious adverse events
0 / 28

Outcome results

Primary

NK-104 AUC

Time frame: 16 Days

Population: All subjects with measurable pharmacokinetic (PK) values.

ArmMeasureValue (MEAN)Dispersion
NK-104NK-104 AUC192.00 ng * h/mLStandard Deviation 80.8
Secondary

Number of Participants With at Least One Adverse Event.

Time frame: 16 Days

Population: All subjects who took at least one dose of study medication.

ArmMeasureValue (NUMBER)
NK-104Number of Participants With at Least One Adverse Event.2 Participants

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