Pharmacokinetics and Pharmacodynamics of PARP Inhibitors in Oncology

Maaike A.C. Bruin, Gabe S. Sonke, Jos H. Beijnen, Alwin D.R. Huitema

Onderzoeksoutput: Bijdrage aan tijdschriftArtikel recenserenpeer review

Samenvatting

Olaparib, niraparib, rucaparib, and talazoparib are poly (ADP-ribose) polymerase (PARP) inhibitors approved for the treatment of ovarian, breast, pancreatic, and/or prostate cancer. Poly (ADP-ribose) polymerase inhibitors are potent inhibitors of the PARP enzymes with comparable half-maximal inhibitory concentrations in the nanomolar range. Olaparib and rucaparib are orally dosed twice a day, extensively metabolized by cytochrome P450 enzymes, and inhibitors of several enzymes and drug transporters with a high risk for drug–drug interactions. Niraparib and talazoparib are orally dosed once a day with a lower risk for niraparib and a minimal risk for talazoparib to cause drug–drug interactions. All four PARP inhibitors show moderate-to-high interindividual variability in plasma exposure. Higher exposure is associated with an increase in toxicity, mostly hematological toxicity. For talazoparib, exposure–efficacy relationships have been described, but for olaparib, niraparib, and rucaparib this relationship remains inconclusive. Further studies are required to investigate exposure–response relationships to improve dosing of PARP inhibitors, in which therapeutic drug monitoring could play an important role. In this review, we give an overview of the pharmacokinetic properties of the four PARP inhibitors, including considerations for patients with renal dysfunction or hepatic impairment, the effect of food, and drug–drug interactions. Furthermore, we focus on the pharmacodynamics and summarize the available exposure–efficacy and exposure–toxicity relationships.

Originele taal-2Engels
Pagina's (van-tot)1649-1675
Aantal pagina's27
TijdschriftClinical Pharmacokinetics
Volume61
Nummer van het tijdschrift12
DOI's
StatusGepubliceerd - dec. 2022

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