Research Topics
Species | Jørgen G BramnessSummaryAffiliation: University of Oslo Country: Norway Publications
| Collaborators
|
Detail Information
Publications
Amphetamine-induced psychosis--a separate diagnostic entity or primary psychosis triggered in the vulnerable?Jørgen G Bramness
Norwegian Centre for Addiction Research, SERAF, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
BMC Psychiatry 12:221. 2012..Our paper reviews the literature in this field and proposes a stress-vulnerability model for understanding the relationship between amphetamine use and psychosis...
An increased risk of motor vehicle accidents after prescription of methadoneJørgen G Bramness
Norwegian Centre for Addiction Research, University of Oslo, Oslo, Norway
Addiction 107:967-72. 2012..To investigate whether exposure to methadone affects the risk of motor vehicle accident with personal injury...
Does Pregabalin (Lyrica(®) ) help patients reduce their use of benzodiazepines? A comparison with gabapentin using the Norwegian Prescription DatabaseJørgen G Bramness
Norwegian Centre for Addiction Research, University of Oslo, Oslo, Norway
Basic Clin Pharmacol Toxicol 107:883-6. 2010..This study shows that some patients reduced their use of benzodiazepines substantially after starting pregabalin...
The use of lithium, valproate or lamotrigine for psychiatric conditions in children and adolescents in Norway 2004-2007 - a prescription database studyJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, NO 0881 Oslo, Norway
J Affect Disord 117:208-11. 2009..Our study aimed to explore how common the use of lithium, valproate and lamotrigine in psychiatric conditions in children and adolescents in Norway and to describe concomitant use of other psychotropic drugs...
[Abuse of γ-hydroxybutyrate]Jørgen G Bramness
Senter for rus og avhengighetsforskning, Universitetet i Oslo, Norway
Tidsskr Nor Laegeforen 131:2122-5. 2011..There have also been reports of an increasing use of the chemical precursor gamma-butyrolactone (GBL).There is currently a need for knowledge on symptoms, addictiveness and overdoses, as well as targeted preventive measures...
Addiction research centres and the nurturing of creativity The Norwegian Centre for Addiction Research (SERAF)Jørgen G Bramness
Norwegian Centre for Addiction Research, University of Oslo, Oslo, Norway
Addiction 106:1381-5. 2011....
Impairment due to cannabis and ethanol: clinical signs and additive effectsJørgen G Bramness
Norwegian Centre for Addiction Research, University of Oslo, Oslo, Norway
Addiction 105:1080-7. 2010..The purpose of this study was to see how different clinical tests and observations were related to blood THC concentrations and to determine whether the combined influence of THC and ethanol was different from either drug alone...
Starting insomnia treatment: the use of benzodiazepines versus z-hypnotics. A prescription database study of predictorsAnne M Hausken
Division of Epidemiology, Norwegian Institute of Public Health, PO Box 4404, Nydalen, 0403 Oslo, Norway
Eur J Clin Pharmacol 65:295-301. 2009..Drugs prescribed for the treatment of insomnia can be either benzodiazepine hypnotics or the newer z-hypnotics, zopiclone and zolpidem. This paper explores possible explanations for the choice made...
The risk of traffic accidents after prescriptions of carisoprodolJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, P O Box 4404, Nydalen, NO 0403 Oslo, Norway
Accid Anal Prev 39:1050-5. 2007..Carisoprodol, a drug used for acute lower back pain, may cause psychomotor impairment. We wanted to investigate if patients using carisoprodol had increased risk of being involved in a traffic accident...
Road traffic accident risk related to prescriptions of the hypnotics zopiclone, zolpidem, flunitrazepam and nitrazepamIngebjørg Gustavsen
Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, Oslo, Norway
Sleep Med 9:818-22. 2008..We wanted to investigate whether filling a prescription for zopiclone or zolpidem was associated with increased risk of road traffic accidents at a national population level. Nitrazepam and flunitrazepam were used as comparator drugs...
An increased risk of road traffic accidents after prescriptions of lithium or valproate?Jørgen G Bramness
Division of Epidemiology, Department of Pharmacoepidemiology, Norwegian Institute of Public Health, Oslo, Norway
Pharmacoepidemiol Drug Saf 18:492-6. 2009..The objective of the present study was to examine whether the use of lithium or valproate increased the risk of being involved in traffic accidents...
The effect of scheduling and withdrawal of carisoprodol on prevalence of intoxications with the drugGudrun Høiseth
Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
Basic Clin Pharmacol Toxicol 105:345-9. 2009..This, together with previous publications, indicates that the population reflected in our data uses regularly prescribed carisoprodol and, to a lesser degree, drug from an illegal street market...
Impairment related to blood drug concentrations of zopiclone and zolpidem compared to alcohol in apprehended driversIngebjørg Gustavsen
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404 Nydalen, 0403 Oslo, Norway
Accid Anal Prev 41:462-6. 2009..We compared these groups of drivers to a group suspected of alcohol-related impairment...
The CYP2C19 genotype and the use of oral contraceptives influence the pharmacokinetics of carisoprodol in healthy human subjectsJørgen G Bramness
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404, Nydalen, 0403, Oslo, Norway
Eur J Clin Pharmacol 61:499-506. 2005..Impairing effects on psychomotor coordination and feelings of sedation were studied by comparing IMs with EMs following their ingestion of a single dose of 700 mg carisoprodol...
Benzodiazepine use in all alcohol consumers predicts use of opioids in patients 20 years later--a follow-up study of 13,390 men and women aged 40-42 yearsSvetlana Skurtveit
Division of Epidemiology, Norwegian Institute of Public Health, P O Box 4404, Nydalen, 0403 Oslo, Norway
Pharmacoepidemiol Drug Saf 17:926-933. 2008..To evaluate the effect of the consumption of benzodiazepines at age 40-42 years on prescription of opioids later in life...
Carisoprodol use and abuse in Norway: a pharmacoepidemiological studyJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Br J Clin Pharmacol 64:210-8. 2007..Carisoprodol was developed to create a drug with less potential for abuse than meprobamate. However, case reports have established carisoprodol as a drug of abuse. This paper explores the extent of potential abuse of this drug in Norway...
Minor increase in risk of road traffic accidents after prescriptions of antidepressants: a study of population registry data in NorwayJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
J Clin Psychiatry 69:1099-103. 2008..The objective of the present study was to examine whether the use of antidepressants by drivers increased the risk of being involved in traffic accidents...
Psychotropic drug use among persons with mental distress symptoms: a population-based study in NorwayAnne M Hausken
Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Scand J Public Health 35:356-64. 2007..To explore psychotropic drug use in the general population and in particular among non-institutionalized persons with mental distress symptoms...
[Benzodiazepines to people with substance abuse problems?]Helge Waal
Senter for rus og avhengighetsforskning, Universitetet i Oslo, Kirkeveien 166, 0407 Oslo, Norway
Tidsskr Nor Laegeforen 130:610-2. 2010..Indistinct, but important side effects might be overlooked or misunderstood. Evidence-based practice should replace prescriptions based on unclear indications...
Diversity in causes and characteristics of drug-induced deaths in an urban settingLinn Gjersing
Norwegian Centre for Addiction Research, University of Oslo, Oslo, Norway
Scand J Public Health 41:119-25. 2013....
CYP2C19 genetics in fatal carisoprodol intoxicationsGudrun Høiseth
Center for Psychopharmacology, Diakonhjemmet Hospital, Forskningsveien 7, PB 85 Vinderen, 0319, Oslo, Norway
Eur J Clin Pharmacol 68:1561-5. 2012..The objective of this study was to investigate the role of CYP2C19 genetics in mortalities due to carisoprodol intoxication...
Benzodiazepine prescription for patients in opioid maintenance treatment in NorwayJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, PO Box 4404, Nydalen, 0403 Oslo, Norway
Drug Alcohol Depend 90:203-9. 2007..Previous research has used interview or urine analysis to assess benzodiazepine use. In this study a prescription database was applied...
Carisoprodol intoxications: a retrospective study of forensic autopsy material from 1992-2003Gudrun Høiseth
Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, P O Box 4404, Nydalen, 0403 Oslo, Norway
Int J Legal Med 121:403-9. 2007..There were, however, only a small number of cases where the cause of death can be attributed to use of carisoprodol alone...
Testing for benzodiazepine inebriation--relationship between benzodiazepine concentration and simple clinical tests for impairment in a sample of drugged driversJørgen G Bramness
Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, Oslo, Norway
Eur J Clin Pharmacol 59:593-601. 2003..The impact of single-dose intake in non-daily users of benzodiazepines on the clinical picture of inebriation was also studied...
Use of lithium in the adult populations of Denmark, Norway and SwedenJørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
J Affect Disord 118:224-8. 2009..The national prescription databases in Denmark, Norway and Sweden may help provide more reliable information on the epidemiology of lithium use...
Impairment due to intake of carisoprodolJørgen G Bramness
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, 0403 Oslo, Norway
Drug Alcohol Depend 74:311-8. 2004..Possible impairment could further be a product of the parent drug and/or the metabolite meprobamate. The present study aimed to investigate if carisoprodol had an impairing effect by it self...
Clinical impairment of benzodiazepines--relation between benzodiazepine concentrations and impairment in apprehended driversJørgen G Bramness
National Institute of Forensic Toxicology, P O Box 495, Sentrum, N 0105, Oslo, Norway
Drug Alcohol Depend 68:131-41. 2002..Whether this is true in a population of benzodiazepine users is uncertain. We studied the relationship in a population of suspected drugged drivers...
Impairment related to blood amphetamine and/or methamphetamine concentrations in suspected drugged driversIngebjørg Gustavsen
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Norway
Accid Anal Prev 38:490-5. 2006..Despite the performance enhancing qualities of amphetamines demonstrated in some low dose laboratory experiments; this study revealed a positive relationship between blood amphetamines concentration and traffic related impairment...
Relationship between THC concentration in blood and impairment in apprehended driversHassan Z Khiabani
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, Oslo, Norway
Traffic Inj Prev 7:111-6. 2006..The main purpose of the present study was to investigate whether a physician's judgment on impairment in a real-life setting among suspected drugged drivers, was related to blood THC concentration...
Self-reported mental health and its gender differences as a predictor of suicide in the middle-agedJørgen G Bramness
Norwegian Centre for Addiction Research, University of Oslo, Norway
Am J Epidemiol 172:160-6. 2010..3, 95% CI: 1.5, 3.3). This study shows a dose-response effect of self-reported mental health problems on completed suicide and replicates the gender paradox observed in the general population with prospective data...
Prescription drug use among fathers and mothers before and during pregnancy. A population-based cohort study of 106,000 pregnancies in Norway 2004-2006Anders Engeland
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
Br J Clin Pharmacol 65:653-60. 2008..In this registry-based study, we examined more than 100,000 Norwegian pregnancies and described the drug prescription pattern of both fathers and mothers around conception and during pregnancy (mothers)...
Flunitrazepam: psychomotor impairment, agitation and paradoxical reactionsJørgen G Bramness
Norwegian Institute of Public Health, Department of Pharmacoepidemiology, PO Box 4404, Nydalen, NO 0403 Oslo, Norway
Forensic Sci Int 159:83-91. 2006....
Carisoprodol intoxications and serotonergic featuresJørgen G Bramness
Division of Forensic Toxicology and Drug Abuse, Norwegian Institute of Public Health, Oslo, Norway
Clin Toxicol (Phila) 43:39-45. 2005..Since few laboratories routinely screen for carisoprodol it is important to keep this drug in mind when encountering intoxications displaying serotonergic symptoms...
The use and potential abuse of anticholinergic antiparkinson drugs in Norway: a pharmacoepidemiological studyPål Gjerden
Department of Pharmacoepidemiology, Norwegian Institute of Public Health, Oslo, Norway
Br J Clin Pharmacol 67:228-33. 2009..Patients with psychotic conditions have a high prevalence of abuse of drugs, including anticholinergic antiparkinson drugs...
A comparison of symptoms and drug use between patients with methamphetamine associated psychoses and patients diagnosed with schizophrenia in two acute psychiatric wardsSigrid Medhus
Psychiatric Department, Lovisenberg Diakonale Hospital, Oslo, Norway
Psychiatry Res 206:17-21. 2013..We found no clinically or statistically significant relationship between blood methamphetamine levels and severity of psychotic symptoms...
The sales of antidepressants and suicide rates in Norway and its counties 1980-2004Jørgen G Bramness
Department of Pharmacoepidemiology, Division of Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
J Affect Disord 102:1-9. 2007..Suicide is a major public health problem and depression is among the most important risk factors for suicide. Treatment of depression might prevent suicide. To study this hypothesis further we conducted an ecological study...
Comparison of drug concentrations in blood and oral fluid collected with the Intercept sampling deviceHallvard Gjerde
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway
J Anal Toxicol 34:204-9. 2010..1 amphetamine, 2.9 methamphetamine, 5.4 codeine, 1.9 morphine, and 4.7 tetrahydrocannabinol. The correlation coefficients between drug concentrations in oral fluid and blood ranged from 0.15 to 0.96 for the six most prevalent drugs...
Association between blood carisoprodol:meprobamate concentration ratios and CYP2C19 genotype in carisoprodol-drugged drivers: decreased metabolic capacity in heterozygous CYP2C19*1/CYP2C19*2 subjects?Jørgen G Bramness
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway
Pharmacogenetics 13:383-8. 2003..Heterozygous individuals with the CYP2C19*1/*2 genotype have a reduced capacity for metabolizing carisoprodol, and should probably be regarded as intermediate metabolizers of this drug...
The concentrations, appearance and taste of nine sedating drugs dissolved in four different beveragesVigdis Olsen
Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404, Nydalen, 0403 Oslo, Norway
Forensic Sci Int 151:171-5. 2005..The ingestion of all solutions could probably have caused impairment. All the nine drugs were, however, apparent to the consumer from the altered appearance and/or taste of the beverages...
