Population pharmacokinetics of rucaparib in patients with advanced ovarian cancer or other solid tumors
Purpose To develop a population pharmacokinetics (PPK) model for rucaparib, an oral poly(ADP-ribose) polymerase inhibitor. Methods The PPK analysis used PK data from patients in Study 1014 (NCT01009190, n = 35), Study 10 (NCT01482715, n = 123), and ARIEL2 (NCT01891344, n = 300), including intensive intravenous data (12–40 mg), intensive and sparse oral data (12–360 mg single-dose, 40–500 mg once daily, and 240–840 mg twice daily [BID]), and intensive single-dose oral data under fasted conditions and after a high-fat meal (40, 300, and 600 mg). Results Rucaparib PK was well described by a two-compartment model with sequential zero-order release and first-order absorption and first-order elimination. A high-fat meal slightly increased bioavailability at 600 mg but not at lower doses; this is not considered clinically significant, and rucaparib can be taken with or without food. Covariate effects of baseline creatinine clearance and albumin on rucaparib clearance were identified. Despite numerical increases in exposure with renal impairment, no dose adjustment is recommended for patients with mild or moderate renal impairment. No statistically significant relationships were detected for demographics, hepatic function (normal versus mild impairment), CYP1A2 and CYP2D6 phenotypes, or strong CYP1A2 or CYP2D6 inhibitors. Concomitant proton pump inhibitors showed no clinically significant effect on absorption. External validation of the model with data from ARIEL3 (NCT01968213) and TRITON2 (NCT02952534) studies showed no clinically meaningful PK differences across indications or sex. Conclusion The PPK model adequately described rucaparib PK, and none of the covariates evaluated had a clinically relevant effect. ClinicalTrials.gov Study 1014 (NCT01009190), Study 10 (NCT01482715), ARIEL2 (NCT01891344), ARIEL3 (NCT01968213), and TRITON2 (NCT02952534)..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:89 |
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| Enthalten in: |
Cancer chemotherapy and pharmacology - 89(2022), 5 vom: 10. Apr., Seite 671-682 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Green, Michelle L. [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
Poly(ADP-ribose) polymerase inhibitor |
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| Anmerkungen: |
© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 |
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| doi: |
10.1007/s00280-022-04413-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Purpose To develop a population pharmacokinetics (PPK) model for rucaparib, an oral poly(ADP-ribose) polymerase inhibitor. Methods The PPK analysis used PK data from patients in Study 1014 (NCT01009190, n = 35), Study 10 (NCT01482715, n = 123), and ARIEL2 (NCT01891344, n = 300), including intensive intravenous data (12–40 mg), intensive and sparse oral data (12–360 mg single-dose, 40–500 mg once daily, and 240–840 mg twice daily [BID]), and intensive single-dose oral data under fasted conditions and after a high-fat meal (40, 300, and 600 mg). Results Rucaparib PK was well described by a two-compartment model with sequential zero-order release and first-order absorption and first-order elimination. A high-fat meal slightly increased bioavailability at 600 mg but not at lower doses; this is not considered clinically significant, and rucaparib can be taken with or without food. Covariate effects of baseline creatinine clearance and albumin on rucaparib clearance were identified. Despite numerical increases in exposure with renal impairment, no dose adjustment is recommended for patients with mild or moderate renal impairment. No statistically significant relationships were detected for demographics, hepatic function (normal versus mild impairment), CYP1A2 and CYP2D6 phenotypes, or strong CYP1A2 or CYP2D6 inhibitors. Concomitant proton pump inhibitors showed no clinically significant effect on absorption. External validation of the model with data from ARIEL3 (NCT01968213) and TRITON2 (NCT02952534) studies showed no clinically meaningful PK differences across indications or sex. Conclusion The PPK model adequately described rucaparib PK, and none of the covariates evaluated had a clinically relevant effect. ClinicalTrials.gov Study 1014 (NCT01009190), Study 10 (NCT01482715), ARIEL2 (NCT01891344), ARIEL3 (NCT01968213), and TRITON2 (NCT02952534). | ||
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| 700 | 1 | |a Harding, Thomas C. |4 aut | |
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