- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT01637233
MARCH Central Nervous System Substudy
Maraviroc Switch Central Nervous System (CNS) Substudy: a Substudy of MARCH, a Randomised, Open-label Study to Evaluate the Efficacy and Safety of Maraviroc (MVC) as a Switch for Either Nucleoside or Nucleotide Analogue Reverse Transcriptase Inhibitors (N(t)RTI) or Boosted Protease Inhibitors (PI/r) in HIV-1 Infected Individuals With Stable, Well-controlled Plasma HIV-RNA While Taking Their First N(t)RTI + PI/r Regimen of Combination Antiretroviral Therapy (cART).
This substudy is a prospective, observational, open-label, randomised study within the MARCH study. The purpose of this substudy is to investigate the changes in cerebral function parameters at 5 timepoints over 96 weeks of the three different treatment arms within the MARCH study. The investigators hypothesise that there will be improvements in cerebral function in those patients randomised, as part of the parent study, into the maraviroc arms.
the assessments in this CNS substudy will include:
- Neurocognitive function as assessed by a computerised testing battery called CogState;
- changes in cerebral metabolites as measured via 1H Magnetic Resonance Spectroscopy (1H-MRS)
In those randomised to the maraviroc arms (arms 2 and 3) there is an optional Lumbar puncture at week 48. The cerebrospinal fluid will be used to measure maraviroc levels and an ultrasensitive CSF HIV-1 viral load. These results will be matched with levels in the plasma.
Studieöversikt
Status
Betingelser
Detaljerad beskrivning
Studietyp
Inskrivning (Faktisk)
Kontakter och platser
Studieorter
-
-
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Buenos Aires, Argentina, C1405CKC
- Fundacion IDEAA
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Buenos Aires, Argentina, C1221ADC
- Hospital Ramos Mejía
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Rosario, Argentina
- CAICI
-
-
-
-
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London, Storbritannien, W2
- Imperial Healthcare, St. Mary's Hospital
-
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Sussex
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Brighton, Sussex, Storbritannien, BN21ES,
- Brighton & Sussex University NHS Trust
-
-
-
-
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Bangkok, Thailand, 10330
- Chulalongkorn University Hospital
-
-
Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Testmetod
Studera befolkning
Beskrivning
Inclusion Criteria:
- Provision of written, informed consent for participation in the substudy
- Enrolled into the substudy either at or before the week 0 visit of the main study
Exclusion Criteria:
- Pre-existing CNS diseases
- Recent head injury (past three months)
- Current history of major depression or psychosis
Studieplan
Hur är studien utformad?
Designdetaljer
Kohorter och interventioner
Grupp / Kohort |
Intervention / Behandling |
|---|---|
|
NRTI + PI
This is the randomisation of the main study, Arm 1
|
NRTI+PI
Andra namn:
|
|
maraviroc + PI
this is the randomisation of the main study, Arm 2
|
maraviroc + PI
Andra namn:
|
|
maraviroc + NRTI
this is the randomisation of the main study, Arm 3
|
maraviroc + NRTI
Andra namn:
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
To assess changes in NC function over 96 weeks, measured via a computerised testing battery in HIV-infected subjects stable on antiretroviral therapy randomised to three different treatment approaches
Tidsram: 96 weeks
|
using CogState testing at 5 timepoints, weeks 0, 12, 24, 48, 96
|
96 weeks
|
|
To assess changes in cerebral metabolites over 96 weeks, measured via 1H Magnetic Resonance Spectroscopy (1H-MRS), in HIV-infected subjects stable on antiretroviral therapy randomised to three different treatment approaches
Tidsram: 96 weeks
|
Assessment of CNS metabolites via 1H-MRS at week 0, 48, 96
|
96 weeks
|
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
to assess CSF HIV-1 RNA and CSF maraviroc concentration (in the MVC treatment arms) versus plasma HIV -1 RNA and MVC concentration after 48 weeks of therapy
Tidsram: 48 weeks
|
A LP examination at week 48 (optional and only in the MVC treatment arms, and only if there is no contraindication to LP) to assess, with matched plasma samples:
|
48 weeks
|
Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: Alan Winston, MD, Imperial Healthcare, London, UK
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
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
- Infektioner
- Molekylära mekanismer för farmakologisk verkan
- Anti-infektionsmedel
- Antivirala medel
- Nukleinsyrasynteshämmare
- Enzyminhibitorer
- Anti-HIV-medel
- Antiretrovirala medel
- Antimetaboliter
- Cytokrom P-450 CYP3A-hämmare
- Cytokrom P-450 enzymhämmare
- Virala proteashämmare
- HIV-fusionshämmare
- Virala fusionsproteinhämmare
- CCR5-receptorantagonister
- Tenofovir
- Emtricitabin
- Ritonavir
- Lopinavir
- Lamivudin
- Zidovudin
- Proteashämmare
- Maraviroc
- Omvända transkriptashämmare
- Darunavir
- Atazanavirsulfat
- Abacavir
- Dideoxinukleosider
- Fosamprenavir
- HIV-proteashämmare
Andra studie-ID-nummer
- MARCH-Kirby CNS
- 2011-002107-15 (EudraCT-nummer)
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