Haldol decanoate wiki

Soviet dissidents , including medical staff, have reported several times on the use of haloperidol in the Soviet Union for punitive purposes or simply to break the prisoners' will. [72] [73] [74] Notable dissidents who were administered haloperidol as part of their court-ordered treatment were Sergei Kovalev and Leonid Plyushch . [75] The accounts Plyushch gave in the West, after he was allowed to leave the Soviet Union in 1976, were instrumental in triggering Western condemnation of Soviet practices at the World Psychiatric Association 's 1977 meeting. [76] The use of haloperidol in the Soviet Union's psychiatric system was prevalent because it was one of the few psychotropic drugs produced in quantity in the USSR. [77]

In a related issue, Risperdal sales practices resulted in a 2012 provisional settlement totaling $ billion. [17] The United States Department of Justice began investigating Risperdal sales practices in 2004, and in 2010 joined a whistleblowers suit alleging bribes paid to Omnicare , the largest company supplying pharmaceutical drugs to nursing homes. [18] [19] The allegations include that Johnson & Johnson and Janssen were warned by the . Food and Drug Administration (FDA) not to promote Risperdal as effective and safe for elderly patients when in fact it is associated with early death, but they did so; and that they in fact bribed Omnicare pharmacists tens of millions of dollars to promote the drug to care home physicians for this unapproved use. A settlement was provisionally agreed with Johnson & Johnson of around $ billion for this and related allegations, with Omnicare having already settled for around $100 million. [17] Former head of sales and president of Janssen, Alex Gorsky , who the Dept of Justice say “was actively involved” in the fraud, nevertheless become the new CEO of Johnson & Johnson in 2012. [20]

So far, no statistically acceptable evidence is found to associate long-term use of haloperidol with the potential for increased breast cancer risk in female patients. In an unconfirmed study, relative risks of breast cancer, in inmates of the Buffalo Psychiatric Center undergoing long-term treatment with haloperidol, were (compared to patients hospitalized in general or internal medicine facilities) and (general population), respectively. [14] These results need confirmation by larger studies. If true, carcinogenity is most probably related to the strong increase in plasma-levels of prolactin under long-term treatment with haloperidol. This news is another good reason to avoid any unnecessary use of haloperidol.

Haloperidol is a typical butyrophenone type antipsychotic that exhibits high affinity dopamine D 2 receptor antagonism and slow receptor dissociation kinetics. [42] It has effects similar to the phenothiazines . [17] The drug binds preferentially to D 2 and α 1 receptors at low dose (ED 50 = and  mg/kg, respectively), and 5-HT 2 receptors at a higher dose (ED 50 =  mg/kg). Given that antagonism of D 2 receptors is more beneficial on the positive symptoms of schizophrenia and antagonism of 5-HT 2 receptors on the negative symptoms, this characteristic underlies haloperidol's greater effect on delusions, hallucinations and other manifestations of psychosis. [43] Haloperidol's negligible affinity for histamine H 1 receptors and muscarinic M 1 acetylcholine receptors yields an antipsychotic with a lower incidence of sedation, weight gain, and orthostatic hypotension though having higher rates of treatment emergent extrapyramidal symptoms .

The dose of HALDOL Decanoate 50 or HALDOL Decanoate 100 should be expressed in terms of its haloperidol content. The starting dose of haloperidol decanoate should be based on the patient's age, clinical history, physical condition, and response to previous antipsychotic therapy. The preferred approach to determining the minimum effective dose is to begin with lower initial doses and to adjust the dose upward as needed. For patients previously maintained on low doses of antipsychotics (. up to the equivalent of 10 mg/day oral haloperidol), it is recommended that the initial dose of haloperidol decanoate be 10–15 times the previous daily dose in oral haloperidol equivalents; limited clinical experience suggests that lower initial doses may be adequate.

Haldol decanoate wiki

haldol decanoate wiki

Haloperidol is a typical butyrophenone type antipsychotic that exhibits high affinity dopamine D 2 receptor antagonism and slow receptor dissociation kinetics. [42] It has effects similar to the phenothiazines . [17] The drug binds preferentially to D 2 and α 1 receptors at low dose (ED 50 = and  mg/kg, respectively), and 5-HT 2 receptors at a higher dose (ED 50 =  mg/kg). Given that antagonism of D 2 receptors is more beneficial on the positive symptoms of schizophrenia and antagonism of 5-HT 2 receptors on the negative symptoms, this characteristic underlies haloperidol's greater effect on delusions, hallucinations and other manifestations of psychosis. [43] Haloperidol's negligible affinity for histamine H 1 receptors and muscarinic M 1 acetylcholine receptors yields an antipsychotic with a lower incidence of sedation, weight gain, and orthostatic hypotension though having higher rates of treatment emergent extrapyramidal symptoms .

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