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Pharmacokinetics of second generation antipsychotics

Pharmacokinetics of second generation antipsychotics
  Time to therapeutic peak plasma level (hours) Half-life (hours), therapeutic Protein binding (%) Volume of distribution (L/kg) Major route(s) of metabolism Active metabolite(s)
Aripiprazole 3 to 5

74 (aripiprazole)

94 (active metabolite)

146 (poor metabolizers)

>99 4.9

CYP2D6

CYP3A4

Dehydroaripiprazole
Asenapine

0.5 to 1.5 (SL)

12 to 24 (TD)

24 (SL)

30 (TD)

95 20 to 25

CYP1A2

UGT1A4 glucuronidation

None
Brexpiprazole 4 91 >99 1.6

CYP2D6

CYP3A4

None
Cariprazine 3 to 6

2 to 4 days (cariprazine)

1 to 21 days (active metabolites)

91 to 97 NR CYP3A4

Desmethyl cariprazine

Didesmethyl cariprazine

Clozapine 1 to 6 7 to 13 97 2 to 5

CYP1A2

CYP3A4

N-desmethylclozapine (limited activity)
Iloperidone 2 to 4

18 (iloperidone)

23 to 26 (active metabolites)

31 to 37 (poor metabolizers)

97 17 to 35

CYP2D6

CYP3A4

P88

P95

Lumateperone 1 to 2 18 97 4.1

CYP3A4

UGT 1A1,1A4, 2B15 glucuronidation

IC200161
Lurasidone 1 to 3

18 to 40 (Lurasidone)

7.5 to 10 (active metabolites)

99 77 CYP3A4

ID-14283

ID-14326

Olanzapine 5 to 6 30 (21 to 54) 93 10 to 20

CYP1A2

UGT1A4 glucuronidation

None
Paliperidone 24

23

24 to 51 (kidney impairment)

74 NR Minimal hepatic metabolism; excreted mainly unchanged in urine None
Pimavanserin 6

57 (pimavanserin)

200 (active metabolite)

95 27 CYP3A4/5 AC-279
Quetiapine

1 to 2 (IR)

6 (ER)

4 to 10 (quetiapine)

12 (active metabolite)

83 10 CYP3A4 N-desalkyl quetiapine
Risperidone 1 to 2

3 (risperidone)

21 (active metabolite)

20 to 30 (poor metabolizers)

90 (risperidone)

77 (active metabolite)

1 to 2

CYP2D6

CYP3A4

Substrate of P-glycoprotein efflux

9-hydroxyrisperidone
Ziprasidone 6 to 8 7 (4 to 10) >99 1.5 CYP3A4 None
This table is intended for use in conjunction with UpToDate content on second-generation (atypical) antipsychotic medication poisoning. Pharmacokinetic data are derived from plasma sampling in adults following oral administration of immediate-release preparation(s) (except as noted) dosed within the therapeutic range.
ER: extended release; IR: immediate release; NR: not reported, SL: sublingual, TD: transdermal patch.
Data from: UpToDate Lexidrug. More information available at https://online.lexi.com/.
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