TMC114-TiDP3-C181: Study to Assess the Pharmacokinetics of Darunavir (DRV) With Different Doses of Ritonavir in Healthy Volunteers.
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Purpose
The objectives are to determine the effect of different ritonavir doses on darunavir (DRV) oral exposure following once-daily oral dosing of DRV/rtv for 7 days, in order to establish an optimal ritonavir boosting dose for DRV and to evaluate short-term safety and tolerability.
| Condition | Intervention | Phase |
|---|---|---|
|
HIV AIDS |
Drug: Darunavir |
Phase 1 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Pharmacokinetics Study Intervention Model: Crossover Assignment Masking: Open Label Primary Purpose: Treatment |
| Official Title: | Phase I, Open-label, Randomized, 3-way Crossover Trial to Assess the Pharmacokinetics of Darunavir (DRV) Given Once-daily With Different Doses of Ritonavir in Healthy Subjects. |
- To determine the effect of different ritonavir doses (20, 50, 100 mg ritonavir) in DRV oral exposure following once-daily oral dosing of DRV/rtv for 7 days, in order to establish an optimal ritonavir boosting dose for DRV
- To evaluate short-term safety and tolerability of DRV following administration of DRV 800 mg once-daily in the presence of different doses of ritonavir for 7 days in healthy volunteers
| Enrollment: | 21 |
| Study Start Date: | August 2008 |
| Study Completion Date: | December 2008 |
| Primary Completion Date: | December 2008 (Final data collection date for primary outcome measure) |
This is a Phase I, open-label, randomized (study drug assigned by chance), 3-way crossover trial in healthy volunteers to assess the pharmacokinetics of darunavir (DRV), co-administered with different doses of ritonavir. The trial population will consist of 18 healthy adult volunteers. During 3 subsequent sessions, each volunteer will receive in a randomized way: Treatments A, B and C. In Treatment A, 800 mg DRV once-daily and 100 mg ritonavir once-daily will be administered. In Treatment B, 800 mg DRV once-daily and 50 mg ritonavir once-daily will be administered. In Treatment C, 800 mg DRV once-daily and 20 mg ritonavir once-daily will be administered. All treatments will be administered for 7 days and intake of DRV and ritonavir will be under fed conditions. DRV will be formulated as a 400 mg tablet; ritonavir will be formulated as an oral solution containing 80mg/mL ritonavir. In each treatment session, full pharmacokinetic profiles of DRV and ritonavir will be determined up to 24 hours after administration on Day 1 and up to 72 hours after administration on Day 7. There will be a washout period of at least 7 days between subsequent treatments. Safety and tolerability will be evaluated continuously throughout the trial. During 3 subsequent sessions, each volunteer will receive in a randomized way Treatments A, B and C. In Treatment A, 800/100 mg DRV/rtv once-daily will be administered. In Treatment B, 800/50 mg DRV/rtv once-daily will be administered. In Treatment C, 800/20 mg DRV/rtv once-daily will be administered. All treatments will be administered for 7 days. DRV will be formulated as a 400 mg tablet; ritonavir will be formulated as an oral solution containing 80mg/mL ritonavir.
Eligibility| Ages Eligible for Study: | 18 Years to 55 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Healthy on the basis of a medical evaluation that reveals the absence of any clinically relevant abnormality and includes a physical examination, medical history, electrocardiogram (ECG), vital signs, and the results of blood biochemistry, blood coagulation and hematology tests and a urinalysis carried out at screening
Exclusion Criteria:
- A positive HIV-1 or HIV-2 test at screening
- Hepatitis A, B, or C infection (confirmed by hepatitis A antibody IgM, hepatitis B surface antigen [with a positive hep B PCR], or hepatitis C virus antibody, respectively) at Screening
- Any history of significant skin disease such as, but not limited to, rash or eruptions, food or drug allergy, dermatitis, eczema, psoriasis, folliculitis, or urticaria
- Use of concomitant medication, including over-the-counter products, herbal preparations and dietary supplements. Concomitant medication must have been discontinued at least 14 days before the first dose of trial medication except for paracetamol (acetaminophen), hormone replacement therapy and hormonal contraceptives
- Participation in an investigational drug trial within 60 days prior to the first intake of trial medication.
Contacts and Locations More Information
Additional Information:
No publications provided
| ClinicalTrials.gov Identifier: | NCT00744887 History of Changes |
| Other Study ID Numbers: | CR015421 |
| Study First Received: | August 29, 2008 |
| Last Updated: | June 8, 2011 |
| Health Authority: | United States: Food and Drug Administration Ireland: Irish Agriculture and Food Development Authority |
Keywords provided by Tibotec Pharmaceuticals, Ireland:
|
TMC114-TiDP3-C181 TMC114-C181, health volunteers, Darunavir, ritonavir oral solution |
Additional relevant MeSH terms:
|
Ritonavir Darunavir HIV Protease Inhibitors Protease Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action |
Pharmacologic Actions Anti-HIV Agents Anti-Retroviral Agents Antiviral Agents Anti-Infective Agents Therapeutic Uses |
ClinicalTrials.gov processed this record on June 17, 2013