Verapamil maintenance therapy in bipolar patients.
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Bipolar Disorder↗
Biomedical subjects
R H Loiselle
Publications and source records attributed to R H Loiselle.
Depressed men's lower ability to interpret nonverbal cues: a preliminary study.
The ability to interpret nonverbal facial cues was tested with 20 depressed males prior to treatment. Each subject and matched control was asked to interpret videotaped facial cues of individuals engaged in a gambling task. Interpretive ability was significantly lower for the nontreated depressed white men than for their matched controls.
Adult↗
Clonidine in the treatment of premenstrual syndrome: a subgroup study.
The authors studied the effects of clonidine on a subgroup of women who had symptoms associated with premenstrual syndrome; the subgroup comprised 24 women aged 19 to 41 years who had "moderate" to "severe" cyclic decreases in beta-endorphin levels. All of the women received clonidine and placebo in a double-blind cross-over design that spanned four menstrual cycles. Clonidine was significantly (p less than .05) more effective than placebo in reducing symptoms.
Adult↗
Verapamil and lithium in maintenance therapy of manic patients.
A year-long double-blind cross-over study was used to compare the long-term therapeutic effects of lithium versus verapamil in a group of 20 manic volunteers. Subjects received each medication for six months. Before cross-over, verapamil patients showed a significant improvement after 60 days, lithium-treated patients after 180 days. After cross-over, verapamil-treated subjects showed improvement at day 240. Lithium-treated patients showed no improvement after cross-over. The data indicate that verapamil may be effective as an agent in the maintenance treatment of manic patients.
Adult↗
Augmentation of haloperidol by ascorbic acid in phencyclidine intoxication.
The authors studied 40 white men with acute phencyclidine (PCP) intoxication. On a random basis, 10 were treated with ascorbic acid, 10 with placebo, 10 with haloperidol, and 10 with a combination of ascorbic acid and haloperidol. While haloperidol was significantly more effective than ascorbic acid, the combination was significantly more effective than either used alone. This combination may have a specific antipsychotic role in the emergency treatment of PCP psychosis.
Adult↗
Space-based abstinence: alleviation of withdrawal symptoms in combinative cocaine-phencyclidine abuse.
Twenty male combinative cocaine free-base/phencyclidine (space-base) abusers were studied for forty-five days, in a double-blind design. Treatment with desipramine was significantly more effective than placebo in alleviating abstinence symptoms. This study tends to support the catecholamine-depletion hypothesis of cocaine and phencyclidine withdrawal.
Adult↗
Blunting of TSH response to TRH in chronic cocaine and phencyclidine abusers.
The TRH stimulation test was administered to 10 cocaine and 10 phencyclidine abusers as well as to 10 controls. No subjects had clinical evidence of depression. Significantly more blunting of the response of TSH to TRH was shown in cocaine and phencyclidine abusers compared with that seen in controls. No significant differences in blunting of response were seen between the cocaine and phencyclidine groups.
Adult↗
Treatment of depression in chronic cocaine and phencyclidine abuse with desipramine.
An open field trial was conducted comparing desipramine and an active placebo in separate populations of chronic cocaine and phencyclidine (PCP) abusers, who discontinued their abuse. Subjects who received desipramine showed a decrease in depressive symptoms after a 20-40 day period regardless of whether they abused PCP or cocaine.
Adult↗
Comparison of clonidine and lithium in the treatment of mania.
The authors compared the antimanic effects of clonidine with lithium carbonate in a double-blind crossover design with 24 volunteers. Lithium was observed to be more effective than clonidine. Some patients reported experiencing hypotension (N=8) and depression (N=7) while taking clonidine.
Adult↗
Bulimia precipitated by pregnancy.
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Adult↗
Reversibility of serotonin irritation syndrome with atmospheric anions.
Clinical reports and animal studies support the existence of a "serotonin irritation syndrome." This is a putative anxiety state caused by a rise in atmospheric cations and reversed by a corresponding rise in anions. Volunteers were exposed to generated ambient cations and anions under controlled conditions. Cations were found to increase anxiety, excitement, and suspicion. Anions reversed the effects of cations and, in addition, reduced suspicion and excitement to levels below those occurring before cationization. Implications of these findings and the possible mediation of effects by serotonin are discussed.
Air Ionization↗
Treatment of phenylcyclohexylpyrrolidine (PHP) psychosis with haloperidol.
Twenty white males who presented with psychosis were later found to have ingested PHP. Treatment with haloperidol 5 mg IM caused significant improvement while placebo treatment did not. Results of haloperidol treatment of PHP psychosis were similar to previously published reports with phencyclidine (PCP) psychosis.
Haloperidol↗
Phencyclidine and the dissociatives.
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Anesthetics↗
Hyperphagia in premenstrual tension syndrome.
The relationship between premenstrual tension syndrome and dietary intake was studied in a population of 20 young adult women. Caloric intake was measured during the 10 days preceding and following the menstrual cycle. Those women with more severe symptoms recorded a greater increase in caloric intake. Caloric intake during the premenstrual period also increased with age. It is hypothesized that this caloric intake may be due to increased beta-endorphin levels.
Adult↗
Chlorpromazine vs. meperidine in the treatment of phencyclidine psychosis.
Patients with phencyclidine psychosis were treated with two 50 mg injections of either chlorpromazine (N = 10) or meperidine (N = 10). The chlorpromazine-treated group responded more rapidly, but the meperidine-treated group had greater overall improvement. It is suggested that meperidine may have a role in the emergency treatment of phencyclidine psychosis. These findings may provide support for the hypothesis that dopaminergic psychosis is mediated by opioids.
Acute Disease↗
Pseudocholinesterase and trait anxiety in premenstrual tension syndrome.
Volunteers (N=71) with premenstrual syndrome (PMS) were given the Peck-Abraham PMS Questionnaire and separated by resulting scores into mild, moderate, and severe groups. Fourteen subjects were randomly selected from each group. Pseudocholinesterase serum levels were measured on the first day of menses for all group members. Trait anxiety was measured by the State Trait Anxiety Inventory (STAI). Pseudocholinesterase, a possible marker for trait anxiety, was found elevated in 6 of 14 (43%) of the severe PMS subjects, in 2 of the 14 (14%) moderate PMS subjects, and in none of the mild PMS subjects. Trait anxiety was found in 8 of these subjects. None of the subjects with mild PMS showed trait anxiety, while 25% of those with moderate PMS and 75% of those with severe PMS showed trait anxiety. No subject with mild PMS had trait anxiety. In this study PMS is treated as a trait-dependent form of anxiety.
Adult↗
Comparison of haloperidol and chlorpromazine in the treatment of phencyclidine psychosis.
Phencyclidine (PCP) is a widely abused drug inducing a psychosis relieved by such dopamine antagonists as the neuroleptics. In the current study we compared two neuroleptics which act at different dopamine receptor sites. Haloperidol, a DA-2 receptor antagonist, and chlorpromazine, a DA-1 antagonist, were used to treat a total of 20 patients who experienced a phencyclidine psychosis. Ten patients each received two doses of one or the other neuroleptic on an alternating basis. Haloperidol 5 mg i.m. was shown to be superior to chlorpromazine 50 mg i.m. in relieving all signs of psychosis. The authors hypothesize that the DA-2 receptor is site-specific for PCP.
Adult↗
beta-Endorphin withdrawal: a possible cause of premenstrual tension syndrome.
The authors propose that premenstrual tension syndrome (PMS) is the result of beta-endorphin withdrawal. Sixteen women were included in this study which measured beta-endorphin levels on the 7th and 24th day of each woman's menstrual cycle. A significant decline in beta-endorphin levels was noted during the progression of the cycle. The severity of symptoms, however, was inversely proportional to the amount of decline in beta-endorphin levels. It is hypothesized that the attenuation of endorphin decline may be a compensatory mechanism to moderate the severity of PMS symptoms.
Adult↗