Pipotiazine

Pipotiazine

Pipotiazine

Typical antipsychotic medication


Pipotiazine (Piportil), also known as pipothiazine, is a typical antipsychotic of the phenothiazine class[2] used in the United Kingdom and other countries for the treatment of schizophrenia.[3] Its properties are similar to those of chlorpromazine. A 2004 systematic review investigated its efficacy for people with schizophrenia:

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Medical uses

Pipotiazine palmitate is used to treat schizophrenia.[15]

Contraindications

Pipotiazine palmitate is contraindicated in people with circulatory collapse (shock), altered states of consciousness, including drug intoxication, or other serious health conditions (liver disease, kidney disease, pheochromocytoma, severe cardiovascular disease, or blood dyscrasias). It is contraindicated in people with severe depression. Pipotiazine palmitate should not be used in people who have a history of allergic reactions to any component of the medicine or to chemically similar medicines (phenothiazines).[15]

Pharmacokinetics

Pipotiazine was available as a long-acting injectable formulation (pipotiazine palmitate). After deep intramuscular injection, pipotiazine palmitate reaches maximum plasma concentration in 7-14 days, has an elimination half-life of 15 days, and reaches steady-state levels after 2 months of usual dosing (given every 4 weeks).[16]

Synthesis

Patents:[17][18] Sino:[19]

The alkylation of 2-Dimethylaminosulfonylphenthiazine [1090-78-4] (1) with 1-Bromo-3-chloropropane (2) gives 10-(3-chloropropyl)-N,N-dimethylphenothiazine-2-sulfonamide [40051-12-5] (3). Alkylation with 4-Piperidineethanol [622-26-4] (4) completes the synthesis of Pipothiazine (5).

History

The long-acting injectable formulation of pipotiazine (pipotiazine palmitate) was withdrawn from all markets globally in March 2015 due to a shortage of the active ingredient.[20]


References

  1. Anvisa (2023-03-31). "RDC Nº 784 - Listas de Substâncias Entorpecentes, Psicotrópicas, Precursoras e Outras sob Controle Especial" [Collegiate Board Resolution No. 784 - Lists of Narcotic, Psychotropic, Precursor, and Other Substances under Special Control] (in Brazilian Portuguese). Diário Oficial da União (published 2023-04-04). Archived from the original on 2023-08-03. Retrieved 2023-08-16.
  2. Bechelli LP, Ruffino-Netto A, Hetem G (December 1983). "A double-blind controlled trial of pipotiazine, haloperidol and placebo in recently-hospitalized acute schizophrenic patients". Brazilian Journal of Medical and Biological Research. 16 (4): 305–11. PMID 6143579.
  3. Dinesh M, David A, Quraishi SN (October 2004). "Depot pipotiazine palmitate and undecylenate for schizophrenia". The Cochrane Database of Systematic Reviews. 3 (4): CD001720. doi:10.1002/14651858.CD001720.pub2. PMC 7025786. PMID 15495016.
  4. Parent M, Toussaint C, Gilson H (1983). "Long-term treatment of chronic psychotics with bromperidol decanoate: clinical and pharmacokinetic evaluation". Current Therapeutic Research. 34 (1): 1–6.
  5. Jørgensen A, Overø KF (1980). "Clopenthixol and flupenthixol depot preparations in outpatient schizophrenics. III. Serum levels". Acta Psychiatrica Scandinavica. Supplementum. 279: 41–54. doi:10.1111/j.1600-0447.1980.tb07082.x. PMID 6931472.
  6. Reynolds JE (1993). "Anxiolytic sedatives, hypnotics and neuroleptics.". Martindale: The Extra Pharmacopoeia (30th ed.). London: Pharmaceutical Press. pp. 364–623.
  7. Ereshefsky L, Saklad SR, Jann MW, Davis CM, Richards A, Seidel DR (May 1984). "Future of depot neuroleptic therapy: pharmacokinetic and pharmacodynamic approaches". The Journal of Clinical Psychiatry. 45 (5 Pt 2): 50–9. PMID 6143748.
  8. Curry SH, Whelpton R, de Schepper PJ, Vranckx S, Schiff AA (April 1979). "Kinetics of fluphenazine after fluphenazine dihydrochloride, enanthate and decanoate administration to man". British Journal of Clinical Pharmacology. 7 (4): 325–31. doi:10.1111/j.1365-2125.1979.tb00941.x. PMC 1429660. PMID 444352.
  9. Young D, Ereshefsky L, Saklad SR, Jann MW, Garcia N (1984). Explaining the pharmacokinetics of fluphenazine through computer simulations. (Abstract.). 19th Annual Midyear Clinical Meeting of the American Society of Hospital Pharmacists. Dallas, Texas.
  10. Janssen PA, Niemegeers CJ, Schellekens KH, Lenaerts FM, Verbruggen FJ, van Nueten JM, Marsboom RH, Hérin VV, Schaper WK (November 1970). "The pharmacology of fluspirilene (R 6218), a potent, long-acting and injectable neuroleptic drug". Arzneimittel-Forschung. 20 (11): 1689–98. PMID 4992598.
  11. Beresford R, Ward A (January 1987). "Haloperidol decanoate. A preliminary review of its pharmacodynamic and pharmacokinetic properties and therapeutic use in psychosis". Drugs. 33 (1): 31–49. doi:10.2165/00003495-198733010-00002. PMID 3545764.
  12. Reyntigens AJ, Heykants JJ, Woestenborghs RJ, Gelders YG, Aerts TJ (1982). "Pharmacokinetics of haloperidol decanoate. A 2-year follow-up". International Pharmacopsychiatry. 17 (4): 238–46. doi:10.1159/000468580. PMID 7185768.
  13. Larsson M, Axelsson R, Forsman A (1984). "On the pharmacokinetics of perphenazine: a clinical study of perphenazine enanthate and decanoate". Current Therapeutic Research. 36 (6): 1071–88.
  14. "Piportil® L4 (pipotiazine palmitate)" (PDF). Archived from the original (PDF) on 2021-12-02. Retrieved 11 December 2023.
  15. , FR 7835M (1970).
  16. ZA6801990 idem Jean-Claude Rene Georg Blondel, 2 More », U.S. patent 3,875,156 (1975 to Rhone Poulenc Sa).
  17. Schussen, & Li Haixia, et al. CN 106568857 (2019 to YUEYANG XINHUADA PHARMACEUTICAL CO Ltd).
  18. Haddad P, Taylor M, Patel MX, Taylor D (June 2015). "Guidance on switching away from Piportil Depot® (pipotiazine palmitate) injection". The British Journal of Psychiatry. 206 (6): 521. doi:10.1192/bjp.206.6.521. PMID 26034183.



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