- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT00929955
Role of Anti-Inflammatory Agents in Patients With Schizophrenia
Study of Role of Anti-Inflammatory Agents in Patients With Schizophrenia
There is some evidence that anti-inflammatory treatment may have beneficial effects in schizophrenia and major depression. Cox-2 inhibitors have been tested in preliminary clinical trials for schizophrenia and depression, showing favourable effects compared to placebo (Muller and Schwarz et al 2009).
Statins were introduced as cholesterol-lowering agents but have found much wider usage. They are anti-inflammatory agents and thus similar to the Cox-2 inhibitors, which have shown some ability as adjuncts to improve the symptoms of schizophrenia in preliminary studies. The statins are also known to decrease C-reactive protein (CRP), which has been shown in an SMRI-funded study to be elevated in a study of individuals with schizophrenia. Fan et al (2007) demonstrated in a small study in patients with schizophrenia that higher than normal levels of CRP (>0.50 mg/dl) was associated with marked negative symptoms and higher total PANSS scores.
Ondansetron is a serotonin (5-HT3) receptor antagonist that is generic and widely used to prevent nausea and vomiting in patients receiving chemotherapy for cancer. GSK did a small study on it as an antipsychotic in the 1980s. Since then, several small studies have suggested that it is effective as an adjunct drug in improving the symptoms of schizophrenia.
Statins are widely used in schizophrenia sufferers, particularly those taking second generation antipsychotics, to treat hypercholesterolemia. Both drugs are well tolerated and their side effect profiles well understood.
We propose to conduct a feasibility study in patients with chronic schizophrenia to explore the adjunct use of simvastatin and ondansetron on positive, negative and general psychopathology in comparisons to treatment as usual (TAU) over a 12 week period.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Studietype
Registrering (Faktiske)
Fase
- Fase 1
Kontakter og plasseringer
Studiesteder
-
-
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Karachi, Pakistan
- Dow University of Health Sciences
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Karachi, Pakistan
- Karwan e hayat
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-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Diagnostic and Statistical Manual-IV (DSM-IV) diagnosis of schizophrenia, schizoaffective disorder, psychosis not otherwise specified or schizophreniform disorder
- competent and willing to give informed consent
- stable on medication 4 weeks prior to baseline
- able to take oral medication and likely to complete the required evaluations
- female participants of child bearing age must be willing to use adequate contraceptives for the duration of the study, and, willing to have a pregnancy test pre treatment and at ten weekly intervals while on study medication.
Exclusion Criteria:
- Relevant medical illness [renal and hepatic] in the opinion of the investigators
- history of high alcohol intake
- any change of psychotropic medications within the previous six weeks
- diagnosis of substance abuse (except nicotine or caffeine) or dependence within the last three months according to DSM-IV criteria
- pregnant or breast-feeding.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Enkelt
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
---|---|
Placebo komparator: Placebo
|
Placebo lagt til TAU
|
Aktiv komparator: Simvastatin
|
Simvastatin lagt til TAU Simvastatin 20 mg tatt som en gang daglig dose
|
Aktiv komparator: Ondansetron
|
ondansetron lagt til TAU Ondansetron vil bli administrert i en dose på 8 mg én gang daglig
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
acceptability and tolerability of simvastatin and ondansetron added to TAU
Tidsramme: 3 months
|
3 months
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
---|---|
simvastatin and ondansetron added to TAU prevents the accumulation of negative symptoms in patients with schizophrenia
Tidsramme: 3 months
|
3 months
|
simvastatin and ondansetron added to TAU prevents cognitive decline
Tidsramme: 3 months
|
3 months
|
To compare the effect size
Tidsramme: 3 months
|
3 months
|
Samarbeidspartnere og etterforskere
Etterforskere
- Hovedetterforsker: Imran B Chaudhry, MD, University of Manchester
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
- Psykiske lidelser
- Patologiske prosesser
- Schizofrenispektrum og andre psykotiske lidelser
- Schizofreni
- Sykdom
- Psykotiske lidelser
- Fysiologiske effekter av legemidler
- Nevrotransmittere agenter
- Molekylære mekanismer for farmakologisk virkning
- Sentralnervesystemdepressiva
- Autonome agenter
- Agenter fra det perifere nervesystemet
- Enzymhemmere
- Antimetabolitter
- Antiemetika
- Gastrointestinale midler
- Dermatologiske midler
- Antikolesteremiske midler
- Hypolipidemiske midler
- Lipidregulerende midler
- Hydroksymetylglutaryl-CoA-reduktasehemmere
- Antipsykotiske midler
- Beroligende midler
- Psykotropiske stoffer
- Serotoninmidler
- Serotonin-antagonister
- Anti-angst midler
- Antipruritika
- Simvastatin
- Ondansetron
Andre studie-ID-numre
- PILL-UoM-0110
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