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There is a need for laboratory measures to guide clinical treatment with antipsychotic drugs. For serum concentration of the classical antipsychotic drug perphenzine an optimal therapeutic interval has been identified between 2 and 6 nmol/l. Positron emission tomography (PET) studies have suggested an optimal interval in central dopamine D2 receptor(More)
The problem of the advantage of using nortriptyline (NT) plasma level during treatment for endogenous depression has been approached. In an ordinary psychiatric department, 34 patients had their NT level checked the second week of treatment and their dosage subsequently adjusted, if it was outside the recommended therapeutic plasma range (50–150 ng/ml). A(More)
Two hundred and twenty-eight acute paranoid psychotic in-patients received continuous treatment with perphenazine for a period of at least 5 weeks, before blood samples were taken to determine perphenazine plasma levels and conclusions regarding therapeutic efficacy and motor side effects. Patients with plasma concentrations within the range of 2–6 nmol/l(More)
A group of 26 acute psychotic patients received continuous oral treatment with perphenazine for a period of 5 weeks. Once-weekly blood samples were drawn for measurements of perphenazine levels and, simultaneously, the therapeutic outcome was registered. Another 26 acute psychotic patients received continuous oral treatment with perphenazine for a period of(More)
Perinatal lethal osteogenesis imperfecta (OI type II), a heritable disorder of connective tissue occurs approximately once in 60,000 live births. Phenotypic characteristics include defective cranial ossification and severe skeletal deformity due to intrauterine rib and long bone fractures. Lethal OI may be associated with intracranial hemorrhage or severe(More)
BACKGROUND Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease defined by recurrent nodules, tunnels and scarring involving the intertriginous skin. Patients with HS often report an array of systemic symptoms such as fatigue and malaise. The aetiology of these symptoms remains unclear. Previously, various bacteria have been associated with(More)
Two groups of schizophrenic outpatients were treated with perphenazine decanoate (N=20) andcis(z)-flupentixol decanoate (N=24) respectively. Every 3 months the dose was gradually reduced until symptoms appeared that were suggestive of a prodromal phase of a psychotic episode. A slightly higher dose was then promptly reinstituted (the minimum effective(More)
Plasma concentrations of perphenazine (PPZ) (Trilafon®) and perphenazinesulphoxide (PPZSO) were estimated during a 2-week period in 16 patients receiving peroral PPZ treatment for various psychotic disorders. The results demonstrated that the average concentration of three plasma samples was a reasonably good expression of the steady-state plasma level(More)
AIMS Grapefruit juice inhibits CYP3A4 in the intestinal wall leading to a reduced intestinal first pass metabolism and thereby an increased oral bioavailability of certain drugs. For example, it has been shown that the oral bioavailability of midazolam, a CYP3A4 substrate, increased by 52% in healthy subjects after ingestion of grapefruit juice. However,(More)
To study the distribution of the thiopurine methyltransferase (TPMT) genotype among azathioprine (Aza)-tolerant and -intolerant patients with various disorders, and to investigate a possible relationship with the Aza metabolite levels. Forty-six Aza-tolerant and six Aza-intolerant patients had the TPMT genotype distribution determined using a polymerase(More)