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HIV InfectionsPhase 1NCT00017758

The Effect of Efavirenz and Nelfinavir on the Blood Levels of Certain Lipid-Lowering Drugs

A Phase 1 study testing Pravastatin sodium, Simvastatin and Atorvastatin calcium in people with HIV Infections and HIV Seronegativity, run by National Institute of Allergy and Infectious Diseases (NIAID) at 10 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to find out whether certain anti-HIV drugs (efavirenz [EFV] and nelfinavir [NFV]) affect the amount of certain fat-lowering drugs (atorvastatin, pravastatin, and simvastatin) in the blood. Read more about this study

Who is it for?
Ages 18 to 60 yearsHealthy volunteers can take part
Conditions the study is for
HIV Infections, HIV Seronegativity, Lipodystrophy
What is being tested?
Pravastatin sodium, Simvastatin and Atorvastatin calcium
How many people
56 participants
Where
10 sitesUnited States
Study dates
Start not givento not given
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 60 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Volunteers may be eligible for this study if they:
  • Are HIV-negative.
  • Are 18 to 60 years old.
  • Weigh at least 50 kg (110 lbs) and are within 30 percent of their ideal body weight.
  • Cannot have children (have reached menopause [change of life] for at least 24 straight months or have had a hysterectomy), if female and enrolling to Group A, B, or C.
  • Have a negative pregnancy test within 14 days before study entry and within 24 hours before starting the study drugs, if female, able to have children, and enrolling to Group D.
  • Agree to avoid trying to become pregnant or causing someone to become pregnant. Agree not to donate sperm or participate in other fertilization procedures. If participating in sexual activity that could lead to pregnancy, the study volunteer and/or partner must use 2 reliable methods of birth control at the same time, while taking study drugs, and for 6 weeks after stopping the drugs. Male volunteers are allowed to be sexually active without the use of birth control if they have had a successful vasectomy or are sterile.

Who cannot join

  • Volunteers will not be eligible for this study if they:
  • Have or have had heart, kidney, blood, nerve, digestive, mental, hormonal, or immune system diseases. These include high blood pressure, blocked arteries, arthritis, diabetes, stomach or intestinal problems, depression, and past use of antidepressant drugs.
  • Are pregnant or breast-feeding.
  • Have used experimental, prescription, or over-the-counter drugs within 14 days before study entry, except for aspirin (ASA), acetaminophen (Tylenol), diphenhydramine (Benadryl), daily multivitamins, mineral supplements, birth control pills or implants, and hormone replacement therapy for women who have reached menopause.
  • Are allergic to study drugs or their ingredients.
  • Abuse drugs or alcohol.
Show all 10Show fewer
  • Have a medical condition that, in the opinion of the investigator, would interfere with their participation in the study.
  • Have participated in any experimental drug study within 30 days before study entry.
  • Are not able to keep their usual diet during the study or are unable to write down their food intake before the study visits.
  • Have an abnormal urine test result, e.g., urinary tract infection, kidney disease, or kidney stones.

Trial locations and contacts

10 sites in 1 country.

10 sites in 1 country

United States10 sites
  • Johns Hopkins Hosp

    Baltimore, Maryland, 21287

  • Univ of Cincinnati

    Cincinnati, Ohio, 452670405

  • Univ of Colorado Health Sciences Ctr

    Denver, Colorado, 80262

  • Univ of Minnesota

    Minneapolis, Minnesota, 55455

  • Univ of Pittsburgh

    Pittsburgh, Pennsylvania, 15213

  • Univ of Rochester Medical Center

    Rochester, New York, 14642

  • Univ of Washington

    Seattle, Washington, 98104

  • Washington Univ / St Louis Connect Care

    St Louis, Missouri, 63108

  • Washington Univ School of Medicine

    St Louis, Missouri, 63108

  • Stanford Univ Med Ctr

    Stanford, California, 943055107

Other trials in United States

About this study

Official title: The Effect of Efavirenz and Nelfinavir on the Pharmacokinetics of Hydroxymethylglutaryl Coenzyme A Reductase Inhibitors

The purpose of this study is to find out whether certain anti-HIV drugs (efavirenz [EFV] and nelfinavir [NFV]) affect the amount of certain fat-lowering drugs (atorvastatin, pravastatin, and simvastatin) in the blood.

Protease inhibitors (PIs), a type of anti-HIV drug, are known to cause increased lipids (fats) in the blood of HIV-infected patients. EFV also is known to increase blood fats. HIV-infected patients who take PIs and/or EFV may need to take fat-lowering drugs to correct this problem. So it is important to look at possible drug interactions when these drugs are taken together. This study will see if taking EFV or NFV, a protease inhibitor, affects the blood level of simvastatin, atorvastatin, or pravastatin (all fat-lowering drugs). To obtain results more quickly, the study population will be healthy HIV-negative volunteers.

Read the detailed description

Abnormalities in lipid metabolism are a recognized side effect of protease inhibitor (PI) therapy in HIV-infected patients. EFV also is known to increase plasma cholesterol. In an attempt to normalize serum lipids in HIV-infected patients on PIs and/or EFV, Hydroxymethylglutaryl Coenzyme A (HMG-CoA) reductase inhibitors (also known as statins) may be prescribed. Therefore, it is important to study how PIs and EFV affect the PK of concurrently-administered statins. Many of the statins utilize the cytochrome P450 (CYP) 3A4 enzyme for metabolism. In addition, atorvastatin and simvastatin have active metabolites, generated via CYP3A4, that contribute to the drugs' lipid-lowering activity and probably to their toxicity. Pravastatin is not metabolized by CYP3A4 but is inactivated by conjugation, non-CYP3A4-induced hydroxylation, and renal excretion. NFV, the most commonly used PI, is an inhibitor of CYP3A4 and an inducer of other CYPs and conjugative pathways. EFV is a mixed CYP3A4 inhibitor and inducer. This study examines the effect of NFV on the PK of pravastatin and the effect of EFV on the PK of simvastatin, atorvastatin, and pravastatin. As EFV with pravastatin is expected to be a common drug combination during the treatment of HIV infection, it should be explored further, even though drug interactions are not expected. To expedite this study, the study population is comprised of healthy control volunteers.

Volunteers are assigned to 1 of 4 groups. Volunteers in Groups A, B, and C take a statin (simvastatin, atorvastatin, or pravastatin, respectively) on Days 0 to 3. After Day 3, the statin is stopped and EFV is begun. Volunteers take EFV until Day 14 and the statin and EFV together from Days 15 to 18. Volunteers in Group D take pravastatin on Days 0 to 3, NFV on Days 4 to 12, and pravastatin and NFV together on Days 13 to 16. Fasting lipid profiles are performed on Days 0, 4, 15, and 19 for Groups A, B, and C, and on Days 0, 3, 13, and 16 for Group D. PK sampling is performed on Days 3, 14, and 18 for Groups A, B, and C (requiring an overnight stay), and on Days 3 and 16 for Group D. Volunteers receive monetary compensation for participation in this study.

Being tested
Pravastatin sodium, Simvastatin, Atorvastatin calcium, Nelfinavir mesylate, Efavirenz
Keywords
Drug Interactions, Nelfinavir, Reverse Transcriptase Inhibitors, Anti-HIV Agents, Pharmacokinetics, Pravastatin, efavirenz, Simvastatin, atorvastatin, Hydroxymethylglutaryl-CoA Reductase Inhibitors
Medical subject headings
HIV Infections, Lipodystrophy

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Pravastatin sodiumDrug

  • SimvastatinDrug

  • Atorvastatin calciumDrug

  • Nelfinavir mesylateDrug

  • EfavirenzDrug

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Aug 2001 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Enrolment
56 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00017758
Sponsor's protocol ID
ACTG A5108
Other IDs
AACTG A5108
Status last verified
Feb 2004
First submitted
11 Jun 2001
Last updated
14 Mar 2006
Results posted
No

Publications

  • Aberg JA, Rosenkranz SL, Fichtenbaum CJ, Alston BL, Brobst SW, Segal Y, Gerber JG; ACTG A5108 team. Pharmacokinetic interaction between nelfinavir and pravastatin in HIV-seronegative volunteers: ACTG Study A5108. AIDS. 2006 Mar 21;20(5):725-9. doi: 10.1097/01.aids.0000216373.53819.92.

    PubMed 16514303

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Pravastatin sodium, Simvastatin and Atorvastatin calcium in people with HIV Infections and HIV Seronegativity, run by National Institute of Allergy and Infectious Diseases (NIAID) at 10 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 14 Mar 2006. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 10 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00017758, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Mar 2006.

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Clinical Trial NCT00017758 | AzTrials