- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00001968
Once-Daily Drug Regimen for HIV-Infected Patients
A Pilot Study of Once-Daily Therapy With Amprenavir, Ritonavir, Lamivudine and Abacavir in HIV-Infected, Antiretroviral-Naive Patients
This study will examine the safety of giving antiviral therapy for HIV infection in a once-daily dosing schedule, and assess how well patients tolerate this regimen. A once a day dosing schedule may be easier for some people to follow than one that requires taking medicine 2 or 3 times a day. The ease of treatment is important, because not following the prescribed dosing regimen may make therapy less effective or ineffective.
HIV-infected patients 18 years and older who have never been treated for their infection may be eligible for this study. Candidates will be screened with a history and physical examination, including blood tests. Participants will take the following medications once a day: 1200 mg of amprenavir (8 capsules); 300 mg of ritonavir (3 capsules); 600 mg of abacavir (2 pills); and 300 mg of lamivudine (2 pills). Patients will have routine blood tests and be seen by a nurse or doctor, or both, at follow-up visits at weeks 2, 4, 8, 12, and 16; then every 8 weeks until week 48; and then every 3 months for up to 3 years. At week 2, a special blood test will be done over the course of a day to measure blood drug levels. For this test, blood samples will be drawn 8 times over a 24-hour period. A heparin lock (a device that allows the needle to remain in the vein) will be used to avoid multiple needle sticks.
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
Studietyp
Inskrivning
Fas
- Fas 1
Kontakter och platser
Studieorter
-
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Maryland
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Bethesda, Maryland, Förenta staterna, 20892
- National Institute of Allergy and Infectious Diseases (NIAID)
-
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
- Barn
- Vuxen
- Äldre vuxen
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Adults (greater than 18 years) infected with HIV-1.
Plasma viral burden greater than 8,000 and less than 60,000 RNA copies per ml. by bDNA method at screening.
CD4 cell count above 200 cells per microliter at screen.
No prior treatment with any anti-retroviral agent.
Laboratory values at screen: hemoglobin greater than 9 g per dl; granulocyte count greater than 900 cells per microliter; platelet count greater than 80,000 cells per microliter; AST (SGOT) less than 151 U/L; creatinine less than 2 mg/dL.
Must not be pregnant or breast-feeding and willing to avoid pregnancy by the use of non-hormonal methods of birth control during study participation. Pregnancy test (blood or urine) must be negative within two weeks prior to dosing with study medications.
Willing and able to provide written informed consent.
No history suggestive of malabsorption.
No chronic diarrhea.
Must not have had treatment with systemic corticosteroids at greater than physiologic replacement doses, interleukins, interferons, radiation therapy or cytotoxic chemotherapeutic agents within 30 days of study drug administration or an anticipated need for radiation or chemotherapy treatment within the next 48 weeks (with the exception of local treatment of Kaposi's sarcoma).
Must not have current or anticipated therapy with other agents with documented activity against HIV-1 in vitro.
Must not have active, untreated opportunistic infection or other major illness that would, in the opinion of the investigator, increase the risk that adverse events might pose to the patient or might render the patient too ill to return for study visits.
Must not have significant substance abuse or psychiatric illness that might interfere with assessment or compliance.
Must not have current or anticipated future need for any of the following drugs which are contraindicated with an amprenavir-ritonavir regimen because of drug-drug interactions: Terfenadine (Seldane), Astemizole (Hismanal), Cisapride (Propulsid), Triazolam (Halcion), Bepridil (Vascor), Medazolam (Versed), Rifampin (Rifadin, Rifamate, Rifater), Ergotamine/Dihydroergotamine containing regimens (Ergomar, Wygraine, Ercaf, DHE, Migranal), Amiodarone (Cordarone), Flecanaide (Tambocor), Propafenone (Rythmol), Quinidine (Quinaglute, Cardioquin), and Pimozide (Orap).
Must not have current or anticipated future need for the following anticonvulsants: phenobarbital, phenytoin, carbamazepine.
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
Samarbetspartners och utredare
Publikationer och användbara länkar
Allmänna publikationer
- Drusano GL, D'Argenio DZ, Symonds W, Bilello PA, McDowell J, Sadler B, Bye A, Bilello JA. Nucleoside analog 1592U89 and human immunodeficiency virus protease inhibitor 141W94 are synergistic in vitro. Antimicrob Agents Chemother. 1998 Sep;42(9):2153-9. doi: 10.1128/AAC.42.9.2153.
- Bilello JA, Bauer G, Dudley MN, Cole GA, Drusano GL. Effect of 2',3'-didehydro-3'-deoxythymidine in an in vitro hollow-fiber pharmacodynamic model system correlates with results of dose-ranging clinical studies. Antimicrob Agents Chemother. 1994 Jun;38(6):1386-91. doi: 10.1128/AAC.38.6.1386.
- Hsu A, Granneman GR, Witt G, Locke C, Denissen J, Molla A, Valdes J, Smith J, Erdman K, Lyons N, Niu P, Decourt JP, Fourtillan JB, Girault J, Leonard JM. Multiple-dose pharmacokinetics of ritonavir in human immunodeficiency virus-infected subjects. Antimicrob Agents Chemother. 1997 May;41(5):898-905. doi: 10.1128/AAC.41.5.898.
Studieavstämningsdatum
Studera stora datum
Studiestart
Avslutad studie
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
- RNA-virusinfektioner
- Virussjukdomar
- Infektioner
- Blodburna infektioner
- Smittsamma sjukdomar
- Sexuellt överförbara sjukdomar, virala
- Sexuellt överförbara sjukdomar
- Lentivirusinfektioner
- Retroviridae-infektioner
- Immunsystemets sjukdomar
- Långsamma virussjukdomar
- HIV-infektioner
- Förvärvat immunbristsyndrom
- Immunologiska bristsyndrom
- Molekylära mekanismer för farmakologisk verkan
- Anti-infektionsmedel
- Antivirala medel
- Omvända transkriptashämmare
- Nukleinsyrasynteshämmare
- Enzyminhibitorer
- Anti-HIV-medel
- Antiretrovirala medel
- Proteashämmare
- Antibakteriella medel
- Cytokrom P-450 CYP3A-hämmare
- Cytokrom P-450 enzymhämmare
- HIV-proteashämmare
- Virala proteashämmare
- Antituberkulära medel
- Antibiotika, Antituberkulära
- Ritonavir
- Lamivudin
- Abacavir
- Amprenavir
Andra studie-ID-nummer
- 000053
- 00-I-0053
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