Perphenazine enanthate

Perphenazine enanthate, sold under the brand name Trilafon Enantat among others, is a typical antipsychotic and a depot antipsychotic ester which is used in the treatment of schizophrenia and has been marketed in Europe.^{[1][2][3][4][5][6]} It is formulated in sesame oil and administered by intramuscular injection and acts as a long-lasting prodrug of perphenazine.^{[2][3][4][5][6]} Perphenazine enanthate is used at a dose of 25 to 200 mg once every 2 weeks by injection, with a time to peak levels of 2 to 3 days and an elimination half-life of 4 to 7 days.^{[2][3][4][5][6]}

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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	[7]
Clopentixol decanoate	Sordinol Depot	Typical	Viscoleob	50–600 mg/1–4 weeks	4–7 days	?	19 days	9.0	[8]
Flupentixol decanoate	Depixol	Typical	Viscoleob	10–200 mg/2–4 weeks	4–10 days	8 days	17 days	7.2–9.2	[8][9]
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	[10][11][12]
Fluphenazine enanthate	Prolixin Enanthate	Typical	Sesame oil	12.5–100 mg/1–4 weeks	2–3 days	4 days	?	6.4–7.4	[11]
Fluspirilene	Imap, Redeptin	Typical	Watera	2–12 mg/1 week	1–8 days	7 days	?	5.2–5.8	[13]
Haloperidol decanoate	Haldol Decanoate	Typical	Sesame oil	20–400 mg/2–4 weeks	3–9 days	18–21 days		7.2–7.9	[14][15]
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	[16]
Pipotiazine palmitate	Piportil Longum	Typical	Viscoleob	25–400 mg/4 weeks	9–10 days	?	14–21 days	8.5–11.6	[9]
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.

Perphenazine enanthate

Clinical data
Trade names	Decentan Depot, Peratsin Enantaatti, Trilafon, Trilafon Enantato, Trilafon Enantat, Trilifan Retard
Other names	Perphenazine enantate
Routes of administration	Intramuscular injection
Drug class	Typical antipsychotic
ATC code	N05AB03 (WHO)
Legal status
Legal status	In general: ℞ (Prescription only)
Identifiers
IUPAC name 2-[4-[3-(2-chlorophenothiazin-10-yl)propyl]piperazin-1-yl]ethyl heptanoate
CAS Number	17528-28-8
PubChem CID	62871
DrugBank	DB14651
ChemSpider	56601
UNII	Z6RS3DKN8J
KEGG	D08342
CompTox Dashboard (EPA)	DTXSID40169963
ECHA InfoCard	100.037.739
Chemical and physical data
Formula	C28H38ClN3O2S
Molar mass	516.14 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCCCCCC(=O)OCCN1CCN(CC1)CCCN2C3=CC=CC=C3SC4=C2C=C(C=C4)Cl
InChI InChI=1S/C28H38ClN3O2S/c1-2-3-4-5-11-28(33)34-21-20-31-18-16-30(17-19-31)14-8-15-32-24-9-6-7-10-26(24)35-27-13-12-23(29)22-25(27)32/h6-7,9-10,12-13,22H,2-5,8,11,14-21H2,1H3 Key:PWEGQJCIAMJJHC-UHFFFAOYSA-N

See also

• List of antipsychotics § Antipsychotic esters