Genes, Intermediate Phenotypes and Response to Quetiapine RX
Use of Clinical and Intermediate Phenotypes to Assess Response to Quetiapine: the Role of Putative Causative Genes
Studieoversigt
Status
Status
Betingelser
Betingelser
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Kontakter og lokationer
Studiesteder
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Bari, Italien, 70124
- Clinica Psichiatrica - Azienda Ospedaliera Policlinico Bari
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Provision of written informed consent
- Diagnosis of schizophrenia using the Structured Clinical Interview for Diagnosis for the Diagnostic and Statistical Manual of Mental Disorders-Fourth Edition
- Male or female patients aged between 18 and 65 years
- Female patients of childbearing potential must be using a reliable method of contraception and have a negative urine human chorionic gonadotropin test at enrollment
- Able to understand and comply with the requirements of the study
- Patients with a cut off value for PANSS more than 75
Exclusion Criteria:
- Pregnancy or lactation
- Any DSM-IV Axis I disorder not defined in the inclusion criteria
- Patients who, in the opinion of the investigator, pose an imminent risk of suicide or a danger to self or others
- Known intolerance or lack of response to quetiapine fumarate, as judged by the investigator
- Use of any of the following cytochrome P450 3A4 inhibitors in the 14 days preceding enrollment including but not limited to: ketoconazole, itraconazole, fluconazole, erythromycin, clarithromycin, troleandomycin, indinavir, nelfinavir, ritonavir, fluvoxamine and saquinavir
- Use of any of the following cytochrome P450 inducers in the 14 days preceding enrollment including but not limited to: phenytoin, carbamazepine, barbiturates, rifampin, St. John's Wort, and glucocorticoids
- Administration of a depot antipsychotic injection within one dosing interval before randomization
- Patients treated with clozapine within 28 days before the enrollment
- Substance or alcohol dependence at enrollment (except dependence in full remission, and except for caffeine or nicotine dependence)
- Opiates, amphetamine, barbiturate, cocaine, cannabis, or hallucinogen abuse by DSM-IV criteria within 4 weeks prior to enrollment
- Medical conditions that would affect absorption, distribution, metabolism, or excretion of study treatment
- Unstable or inadequately treated medical illness (e.g. diabetes, angina pectoris, hypertension) as judged by the investigator
- Involvement in the planning and conduct of the study
- Previous enrollment or randomization of treatment in the present study
- Participation in another drug trial within 4 weeks prior to enrollment into this study or longer in accordance with local requirements
- A patient with Diabetes Mellitus
- An absolute neutrophil count of ¬1.5 x 109 per liter
- Pre-existing Organic Mental Disorder or Mental Retardation.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
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The primary outcome measure will be the change from baseline in clinical symptoms assessed by PANSS scores measures based on BDNF genotype in schizophrenic patients after quetiapine XR treatment
Tidsramme: after 56 days of treatment
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after 56 days of treatment
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- 2009-013028-21
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