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OBJECTIVE Ethanol blocks N-methyl-d-aspartic acid (NMDA) glutamate receptors. Increased NMDA receptor function may contribute to motivational disturbances that contribute to alcoholism. The authors assessed whether the NMDA receptor antagonist memantine reduces cue-induced alcohol craving and produces ethanol-like subjective effects. METHOD Thirty-eight(More)
Seventy detoxified heroin-addicted patients were randomly assigned to one of two groups receiving ketamine psychotherapy (KPT) involving two different doses of ketamine. The patients of the experimental group received existentially oriented psychotherapy in combination with a hallucinogenic ("psychedelic") dose of ketamine (2.0 mg/kg im). The patients of(More)
Ninety alcoholic patients with the secondary affective disorders (anxiety, depression) were divided into four groups. Patients in the first group received GABAB receptor ligands (baclofen), those in the second group, diazepam, those in the third group, amitriptyline and those in the fourth group, placebo. The results of clinical, psychological (tests of(More)
In a double blind placebo-controlled investigation it was shown that transcranial electric treatment (TET), comprising the combination of a constant current with a pulse current of square impulses of 70-80 Hz is an effective method to correct affective disturbances (anxiety, depression) in alcoholic patients. The medical effects of TET are accompanied by(More)
Ketamine blocks the calcium channel associated with N-methyl-D-aspartate (NMDA) glutamate receptors. It has transient behavioral effects in healthy humans that resemble aspects of schizophrenia, dissociative disorders, and ethanol intoxication. Ethanol is an antagonist of both NMDA receptors and L-type voltage-sensitive calcium channels (VSCC) and it has(More)
CONTEXT Sustained-release naltrexone implants may improve outcomes of nonagonist treatment of opioid addiction. OBJECTIVE To compare outcomes of naltrexone implants, oral naltrexone hydrochloride, and nonmedication treatment. DESIGN Six-month double-blind, double-dummy, randomized trial. SETTING Addiction treatment programs in St Petersburg, Russia.(More)
90 patients with alcoholism stage II suffering from secondary affective disorders (anxiety, depression) were divided into 4 groups: treated with GABA-B-receptor ligand baclofen (group 1), with sibazon (group 2), amitriptylin (group 3), placebo (group 4). As shown by clinical, experimental psychological and electrophysiological examinations, baclofen is not(More)
AIMS Ethological approach followed by multimetric statistical analysis was applied to characterize and discriminate alcohol, heroin and dual, alcohol and heroin, dependent subjects. DESIGN Heroin, alcohol, and dual dependent patients (n=51) after one month of stabilization of remission and control volunteers (n=34) without a history of significant drug or(More)
BACKGROUND Naltrexone is a μ-opioid receptor antagonist that blocks opioid effects. Craving, depression, anxiety, and anhedonia are common among opioid dependent individuals and concerns have been raised that naltrexone increases them due to blocking endogenous opioids. Here, we present data that address these concerns. OBJECTIVE Assess the relationship(More)
This case describes a heroin addict who was participating in a placebo-controlled randomized trial of naltrexone as an aid to relapse prevention. The patient tried to commit suicide by taking a heroin overdose after learning that he was HIV-positive. He was on naltrexone at the time and, as a result, survived what would probably have been a fatal overdose.(More)