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AzTrials

Healthy VolunteerPhase 1NCT01325051

Study to Characterize the Pharmacokinetics of Raltegravir in the Gastrointestinal (GI) Tract of Healthy Male Volunteers

A Phase 1 study testing Raltegravir in people with Healthy Volunteer, run by Angela Kashuba, PharmD at 1 site 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 characterize the way the first commercially available integrase inhibitor, raltegravir, a new class of antiretrovirals that is used to treat HIV, is distributed into the rectal mucosal tissue. Read more about this study

Who is it for?
Ages 18 to 49 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy Volunteer
What is being tested?
Raltegravir
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
15 participants
Where
1 siteUnited States
Study dates
Apr 2011to Nov 2011
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 49 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy male subjects between the ages of 18 and 49 years, inclusive, with intact genital tract and gastrointestinal tract. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG, and clinical laboratory tests.
  • Body Mass Index (BMI) of approximately 18 to 30 kg/m^2; and a total body weight greater than or equal to 50 kg (110 lbs).
  • Evidence of a personally signed and dated informed consent document indicating that the subject has been informed of all pertinent aspects of the trial.
  • Willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other trial procedures.

Who cannot join

  • 1) any medical condition or finding deemed by the investigators to be ineligible

Trial locations and contacts

1 site in 1 country.

United States1 site

  • University of North Carolina at Chapel Hill

    Chapel Hill, North Carolina, 27599

Other trials in United States

About this study

Official title: A Phase IV, Open-Label Study to Characterize the First-Dose and Multiple-Dose Pharmacokinetics of Raltegravir in the Gastrointestinal Tract of Healthy Male Volunteers

The purpose of this study is to characterize the way the first commercially available integrase inhibitor, raltegravir, a new class of antiretrovirals that is used to treat HIV, is distributed into the rectal mucosal tissue. This information will generate important information regarding the drug's penetration into lymphoid tissues that are rapidly depleted in HIV infection. Subsequently strategies to prevent the sexual transmission of HIV and for treating HIV-infected individuals will be designed.

Read the detailed description

Participants: 14 HIV-uninfected, healthy, male volunteers, ≥18 and ≤49 years of age, will be recruited and enrolled. Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG, and clinical laboratory tests. Participants of all races and ethnicities will be considered for enrollment. This study will be conducted at a single site in the United States: the University of North Carolina at Chapel Hill.

Procedures (methods): An outpatient screening visit will be conducted on all potential participants to obtain informed consent and evaluate for eligibility. Once enrolled, all subjects will take 400 mg oral dose of raltegravir twice daily from Day 1 to Day 7. The healthy men enrolled in this study will undergo single-dose and multiple-dose pharmacokinetic sampling. Blood will be collected via peripheral IV at pre-dose, and at 1, 2, 3, 4, 6, 8 and 12 hours post-dose. Subjects will undergo two colonoscopies during sampling visits (Day 1 and Day 7) for the purpose of obtaining gastrointestinal-associated lymphoid tissue (GALT). Each subject will have his biopsy obtained at one of the following time points post-dose: 1, 2, 3, 4, 6, 8, and 12 hours. Seven to ten days after their last inpatient sampling visit, all subjects will complete a follow-up visit.

Being tested
Raltegravir
Keywords
raltegravir, pharmacokinetics, healthy, male, volunteers, gastrointestinal, tract

What participants receive

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

  • RaltegravirDrug

    Also called MK-0518, ISENTRESS

    400 mg tablets by mouth BID from Day 1 - Day 7 after enrollment visit

Study groups in NCT01325051
Study groupRoleWhat they receive
RaltegravirNo interventionTo test raltegravir to see if it can be detected in gastrointestinal tissue of healthy men.
Receives: Drug: Raltegravir

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. AUC = Area under the concentration versus time curve of raltegravir

    Measured: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)

Secondary outcomes (4)

  1. Cmax = maximum concentration of raltegravir

    Measured: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)

  2. Tmax = time to maximum concentration of raltegravir

    Measured: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)

  3. C12 = concentration at 12 hours after dose of raltegravir

    Measured: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)

  4. t1/2 = half-life of raltegravir

    Measured: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)

Timeline

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

  1. First posted29 Mar 2011 (estimated)
  2. Study startApr 2011
  3. Primary completionNov 2011
  4. Study completionNov 2011

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
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
15 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01325051
Sponsor's protocol ID
CID 1020; IRB 10-2321
Status last verified
Jan 2012
First submitted
23 Mar 2011
Last updated
5 Jan 2012
Results posted
No
Data monitoring committee
No

Publications

  • Musicco M, Lazzarin A, Nicolosi A, Gasparini M, Costigliola P, Arici C, Saracco A. Antiretroviral treatment of men infected with human immunodeficiency virus type 1 reduces the incidence of heterosexual transmission. Italian Study Group on HIV Heterosexual Transmission. Arch Intern Med. 1994 Sep 12;154(17):1971-6.

    PubMed 8074601

  • Otten RA, Smith DK, Adams DR, Pullium JK, Jackson E, Kim CN, Jaffe H, Janssen R, Butera S, Folks TM. Efficacy of postexposure prophylaxis after intravaginal exposure of pig-tailed macaques to a human-derived retrovirus (human immunodeficiency virus type 2). J Virol. 2000 Oct;74(20):9771-5. doi: 10.1128/jvi.74.20.9771-9775.2000.

    PubMed 11000253

  • Lallemant M, Jourdain G, Le Coeur S, Mary JY, Ngo-Giang-Huong N, Koetsawang S, Kanshana S, McIntosh K, Thaineua V; Perinatal HIV Prevention Trial (Thailand) Investigators. Single-dose perinatal nevirapine plus standard zidovudine to prevent mother-to-child transmission of HIV-1 in Thailand. N Engl J Med. 2004 Jul 15;351(3):217-28. doi: 10.1056/NEJMoa033500. Epub 2004 Jul 9.

    PubMed 15247338

  • Blankson JN, Persaud D, Siliciano RF. The challenge of viral reservoirs in HIV-1 infection. Annu Rev Med. 2002;53:557-93. doi: 10.1146/annurev.med.53.082901.104024.

    PubMed 11818490

  • Pierson T, Hoffman TL, Blankson J, Finzi D, Chadwick K, Margolick JB, Buck C, Siliciano JD, Doms RW, Siliciano RF. Characterization of chemokine receptor utilization of viruses in the latent reservoir for human immunodeficiency virus type 1. J Virol. 2000 Sep;74(17):7824-33. doi: 10.1128/jvi.74.17.7824-7833.2000.

    PubMed 10933689

  • Isentress (raltegravir) Prescribing Guide. Merck & Co, Inc. October 2007.

  • Markowitz M, Morales-Ramirez JO, Nguyen BY, Kovacs CM, Steigbigel RT, Cooper DA, Liporace R, Schwartz R, Isaacs R, Gilde LR, Wenning L, Zhao J, Teppler H. Antiretroviral activity, pharmacokinetics, and tolerability of MK-0518, a novel inhibitor of HIV-1 integrase, dosed as monotherapy for 10 days in treatment-naive HIV-1-infected individuals. J Acquir Immune Defic Syndr. 2006 Dec 15;43(5):509-15. doi: 10.1097/QAI.0b013e31802b4956.

    PubMed 17133211

  • Barau C, Delaugerre C, Braun J, de Castro N, Furlan V, Charreau I, Gerard L, Lascoux-Combe C, Molina JM, Taburet AM. High concentration of raltegravir in semen of HIV-infected men: results from a substudy of the EASIER-ANRS 138 trial. Antimicrob Agents Chemother. 2010 Feb;54(2):937-9. doi: 10.1128/AAC.01261-09. Epub 2009 Dec 7.

    PubMed 19995925

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Raltegravir in people with Healthy Volunteer, run by Angela Kashuba, PharmD at 1 site 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 4 inclusion and 1 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 5 Jan 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site 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.

What does the primary outcome measure?

AUC = Area under the concentration versus time curve of raltegravir (time frame: 0, 1, 2, 3, 4, 6, 8, and 12 hours after single dose (Day 1) and 0, 1, 2, 3, 4, 6, 8, and 12 hours after 13 doses (Day 7)). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01325051, which also lists 8 linked publications.

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 5 Jan 2012.

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