An antipsychotic ester is an ester of an antipsychotic.[1] They are used clinically as prodrugs to increase fat solubility and thereby prolong duration when antipsychotics are used as depot injectables.[1]

Haloperidol decanoate, an antipsychotic ester.

List of clinically used antipsychotic esters

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Typical antipsychotics

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Atypical antipsychotics

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Pharmacology

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Pharmacokinetics of long-acting injectable antipsychotics
Medication Brand name Class Vehicle Dosage Tmax t1/2 single t1/2 multiple logPc Ref
Aripiprazole lauroxil Aristada Atypical Watera 441–1064 mg/4–8 weeks 24–35 days ? 54–57 days 7.9–10.0
Aripiprazole monohydrate Abilify Maintena Atypical Watera 300–400 mg/4 weeks 7 days ? 30–47 days 4.9–5.2
Bromperidol decanoate Impromen Decanoas Typical Sesame oil 40–300 mg/4 weeks 3–9 days ? 21–25 days 7.9 [2]
Clopentixol decanoate Sordinol Depot Typical Viscoleob 50–600 mg/1–4 weeks 4–7 days ? 19 days 9.0 [3]
Flupentixol decanoate Depixol Typical Viscoleob 10–200 mg/2–4 weeks 4–10 days 8 days 17 days 7.2–9.2 [3][4]
Fluphenazine decanoate Prolixin Decanoate Typical Sesame oil 12.5–100 mg/2–5 weeks 1–2 days 1–10 days 14–100 days 7.2–9.0 [5][6][7]
Fluphenazine enanthate Prolixin Enanthate Typical Sesame oil 12.5–100 mg/1–4 weeks 2–3 days 4 days ? 6.4–7.4 [6]
Fluspirilene Imap, Redeptin Typical Watera 2–12 mg/1 week 1–8 days 7 days ? 5.2–5.8 [8]
Haloperidol decanoate Haldol Decanoate Typical Sesame oil 20–400 mg/2–4 weeks 3–9 days 18–21 days 7.2–7.9 [9][10]
Olanzapine pamoate Zyprexa Relprevv Atypical Watera 150–405 mg/2–4 weeks 7 days ? 30 days
Oxyprothepin decanoate Meclopin Typical ? ? ? ? ? 8.5–8.7
Paliperidone palmitate Invega Sustenna Atypical Watera 39–819 mg/4–12 weeks 13–33 days 25–139 days ? 8.1–10.1
Perphenazine decanoate Trilafon Dekanoat Typical Sesame oil 50–200 mg/2–4 weeks ? ? 27 days 8.9
Perphenazine enanthate Trilafon Enanthate Typical Sesame oil 25–200 mg/2 weeks 2–3 days ? 4–7 days 6.4–7.2 [11]
Pipotiazine palmitate Piportil Longum Typical Viscoleob 25–400 mg/4 weeks 9–10 days ? 14–21 days 8.5–11.6 [4]
Pipotiazine undecylenate Piportil Medium Typical Sesame oil 100–200 mg/2 weeks ? ? ? 8.4
Risperidone Risperdal Consta Atypical Microspheres 12.5–75 mg/2 weeks 21 days ? 3–6 days
Zuclopentixol acetate Clopixol Acuphase Typical Viscoleob 50–200 mg/1–3 days 1–2 days 1–2 days 4.7–4.9
Zuclopentixol decanoate Clopixol Depot Typical Viscoleob 50–800 mg/2–4 weeks 4–9 days ? 11–21 days 7.5–9.0
Note: All by intramuscular injection. Footnotes: a = Microcrystalline or nanocrystalline aqueous suspension. b = Low-viscosity vegetable oil (specifically fractionated coconut oil with medium-chain triglycerides). c = Predicted, from PubChem and DrugBank. Sources: Main: See template.

References

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  1. ^ a b Spanarello S, La Ferla T (2014). "The pharmacokinetics of long-acting antipsychotic medications". Current Clinical Pharmacology. 9 (3): 310–7. doi:10.2174/15748847113089990051. PMID 23343447.
  2. ^ 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.
  3. ^ a b 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.
  4. ^ a b Reynolds JE (1993). "Anxiolytic sedatives, hypnotics and neuroleptics.". Martindale: The Extra Pharmacopoeia (30th ed.). London: Pharmaceutical Press. pp. 364–623.
  5. ^ 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.
  6. ^ a b 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.
  7. ^ 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.
  8. ^ 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.
  9. ^ 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.
  10. ^ 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.
  11. ^ 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.