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Two hundred male and female patients, selected at random from all patients admitted to an inpatient alcoholism treatment facility in 1973-1974, were surveyed 10 years following treatment. Response rate was 80%, and a validity check was done. Of the 158 unstable responses, 61% reported complete or stable remission of their alcoholism for at least 3 years prior to the survey and 84% reported stable psychosocial status. Successful outcome was possible regardless of severity of drinking history or psychosocial status. Seventy-six percent (76%) of those still alive at follow-up reported remission; at most, 23% of the deceased were reported in remission prior to death. Involvement in Alcoholics Anonymous (AA) predicted abstinence, suggesting successful outcome for patients who undergo a treatment regimen, which bridges patients into AA involvement. Of those respondents who continued to sponsor other AA members throughout the follow-up period, 91% were in remission at the time of survey.

The main objective of this investigation was to study the influence of drug dependence on platelet monoamine oxidase (MAO) activity in the presence and absence of alcoholism. One hundred and thirteen admissions to alcohol and drug treatment facilities participated in the study. Twenty-six met the criteria for alcoholism (group I), seventy-eight subjects were alcohol-/cocaine- and cannabis-dependent (group II), and the remaining nine were patients with DSM-III-R diagnosis of cocaine addiction (group III). MAO activity was assayed radiochemically with [14C]tyramine as a substrate (221 microM). The results of this study showed that platelet MAO activity [nmol of product formed x (mg protein)-1 x hr-1] (mean +/- SE) was significantly (p < 0.01) lower in all of these subjects (group I, 5.50 +/- 0.80; group II, 3.90 +/- 0.50; group III, 4.3 +/- 1.60) as compared with controls (14.85 +/- 1.13). Measurements of platelet MAO activity may provide us with a reliable biochemical marker for alcoholism and perhaps addiction to other substances of abuse (i.e., cocaine).

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