- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00666055
Sex, Aging and Antiretroviral Pharmacokinetics
CID 0708 - Sex, Aging and Antiretroviral Pharmacokinetics
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
Purpose: To longitudinally quantify systemic and genital tract antiretroviral pharmacokinetics and viral responses in HIV-infected post-menopausal women. These parameters will be compared to pre-menopausal women to determine if the absence or presence of estrogen influences treatment responses and infectiousness of HIV.
Participants: 30 post-menopausal and 12 pre-menopausal HIV-infected women Procedures (methods): First dose, steady state, and longitudinal pharmacokinetics of the most commonly prescribed antiretroviral agents will be assessed in the systemic and genital tract compartments in a cohort of post- and pre-menopausal HIV-infected women. Concurrent blood plasma and genital secretions HIV RNA will be measured. Systemic and genital tract virologic responses will be correlated with antiretroviral concentrations and with each other.
Studietyp
Inskrivning (Faktisk)
Kontakter och platser
Studieorter
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North Carolina
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Chapel Hill, North Carolina, Förenta staterna, 27599-7215
- The University of North Carolina at Chapel Hill
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- HIV-infected women >18 years of age
- There are no specific entry criteria for CD4+ T-cell counts and plasma HIV RNA.
Menopause status will be determined at screening.
- Post-menopausal will be defined as the cessation of menses for >12 months (or undergone a bilateral oophorectomy with or without a hysterectomy) AND a FSH >25 miu/mL and estradiol level <20 pg/mL establishing both physiological and biochemical evidence of menopause.
- Pre-menopausal women must have regular cycles without peri-menopausal vasomotor symptoms and not receiving exogenous hormones.
- Women may be changing to a new regimen because of virologic failure or intolerability. Women in whom resistance testing is available, two or more drugs to which the virus is susceptible needs to be included in the proposed treatment regimen.
- Women may also be naïve to either NNRTI or PIs and initiating their first, second or third HAART regimen (ARVs to be investigated: zidovudine, lamivudine, emtricitabine, abacavir, tenofovir, efavirenz, lopinavir/ritonavir, atazanavir with or without ritonavir).
- Provided the ARV regimens contain one or more of the agents under study they may also include new agents such as maraviroc (CCR5 inhibitor), raltegravir (integrase inhibitor) and/or etravirine (NNRTI). Samples will be stored so that the pharmacokinetics of these agents can be evaluated in future studies once the assays are available in our lab.
- Women must be free from sexually transmitted infections (STI's) at the time of enrollment.
- Women must be able to abstain from douching and sexual activity for 72 hours prior to all study visits.
- Subjects must be willing to have genital tract samples taken.
Exclusion Criteria:
- Women currently receiving medication with known drug-drug interaction with the ARVs under study.
- Women currently receiving any exogenous hormone therapy (contraception, estrogen replacement therapy or androgen supplements). Women must be off all exogenous hormone therapy for > 16 weeks prior to enrollment.
- Women who are pregnant or breast-feeding.
- Women with a hemoglobin <9.0g/dL and/or hematocrit <28%.
- Women unable to complete, or have a caretaker complete, a dose administration card.
- Women who, in the judgement of the investigator, are unable to comply with the protocol requirements.
- Women who are unable to give written informed consent.
- Women who cannot comply with abstaining from intercourse or douching 48 hours prior to study examination.
- Male or transgender individuals.
Studieplan
Hur är studien utformad?
Designdetaljer
Kohorter och interventioner
Grupp / Kohort |
Intervention / Behandling |
---|---|
Group 1
30 post-menopausal HIV-infected women
|
Women may also be naïve to either NNRTI or PIs and initiating their first, second or third HAART regimen (ARVs to be investigated: zidovudine, lamivudine, emtricitabine, abacavir, tenofovir, efavirenz, lopinavir/ritonavir, atazanavir with or without ritonavir). Provided the ARV regimens contain one or more of the agents under study they may also include new agents such as maraviroc (CCR5 inhibitor), raltegravir (integrase inhibitor) and/or etravirine (NNRTI).
Andra namn:
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Group 2
12 pre-menopausal HIV-infected women
|
Women may also be naïve to either NNRTI or PIs and initiating their first, second or third HAART regimen (ARVs to be investigated: zidovudine, lamivudine, emtricitabine, abacavir, tenofovir, efavirenz, lopinavir/ritonavir, atazanavir with or without ritonavir). Provided the ARV regimens contain one or more of the agents under study they may also include new agents such as maraviroc (CCR5 inhibitor), raltegravir (integrase inhibitor) and/or etravirine (NNRTI).
Andra namn:
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Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
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To measure and compare steady state blood plasma pharmacokinetics of antiretroviral therapies in post- and pre-menopausal HIV-infected women.
Tidsram: 6 months
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6 months
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Sekundära resultatmått
Resultatmått |
Tidsram |
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To longitudinally quantify and compare genital tract antiretroviral drug exposure in post- and pre-menopausal HIV-infected women
Tidsram: 6 months
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6 months
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To determine and compare sexual HIV infectivity in post- and pre-menopausal HIV-infected women by measuring HIV RNA dynamics in blood plasma and genital tract secretions before and after the initiation of highly active antiretroviral therapy.
Tidsram: 6 months
|
6 months
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Samarbetspartners och utredare
Sponsor
Samarbetspartners
Publikationer och användbara länkar
Allmänna publikationer
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Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie (Faktisk)
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
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Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
- RNA-virusinfektioner
- Virussjukdomar
- Blodburna infektioner
- Smittsamma sjukdomar
- Sexuellt överförbara sjukdomar, virala
- Sexuellt överförbara sjukdomar
- Lentivirusinfektioner
- Retroviridae-infektioner
- Immunologiska bristsyndrom
- Immunsystemets sjukdomar
- Långsamma virussjukdomar
- HIV-infektioner
- Infektioner
- Förvärvat immunbristsyndrom
- Molekylära mekanismer för farmakologisk verkan
- Anti-infektionsmedel
- Antivirala medel
- Omvända transkriptashämmare
- Nukleinsyrasynteshämmare
- Enzyminhibitorer
- Anti-HIV-medel
- Antiretrovirala medel
- Antimetaboliter
- Proteashämmare
- Cytokrom P-450 CYP3A-hämmare
- Cytokrom P-450 enzymhämmare
- Cytokrom P-450 enzyminducerare
- Cytokrom P-450 CYP3A-inducerare
- HIV-integrashämmare
- Integrashämmare
- HIV-proteashämmare
- Virala proteashämmare
- Cytokrom P-450 CYP2B6-inducerare
- Cytokrom P-450 CYP2C9-hämmare
- HIV-fusionshämmare
- Virala fusionsproteinhämmare
- CCR5-receptorantagonister
- Cytokrom P-450 CYP2C19-hämmare
- Tenofovir
- Emtricitabin
- Raltegravir kalium
- Ritonavir
- Lopinavir
- Lamivudin
- Zidovudin
- Maraviroc
- Etravirin
- Atazanavirsulfat
- Efavirenz
Andra studie-ID-nummer
- CID 0708
- 1K23AI077355-01 (U.S.S. NIH-anslag/kontrakt)
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