Publications by authors named "L H Ottesen"

Background: Adavosertib is a first-in-class, selective small-molecule inhibitor of Wee1. Olaparib is an inhibitor of poly(ADP-ribose) polymerase (PARP). Preclinical data suggest that adavosertib enhances the antitumor effect of PARP inhibitors.

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Time to subsequent therapy (TST) is an end point that may complement progression-free survival (PFS) and overall survival (OS) in determining the treatment effect of anticancer drugs and may be a potential surrogate for PFS and OS. We systematically reviewed the correlation between TST and both PFS and OS in published phase 2/3 studies in advanced solid tumors. Trial-level correlational analyses were performed for TST versus PFS (by investigator and/or central review) and TST versus OS.

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Purpose: Adavosertib may alter exposure to substrates of the cytochrome P450 (CYP) family of enzymes. This study assessed its effect on the pharmacokinetics of a cocktail of probe substrates for CYP3A (midazolam), CYP2C19 (omeprazole), and CYP1A2 (caffeine).

Methods: Period 1: patients with locally advanced or metastatic solid tumors received 'cocktail': caffeine 200 mg, omeprazole 20 mg, and midazolam 2 mg (single dose); period 2: after 7- to 14-day washout, patients received adavosertib 225 mg twice daily on days 1-3 (five doses), with cocktail on day 3.

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Article Synopsis
  • Adavosertib, an ATP-competitive inhibitor of Wee1 kinase, was studied for its impact on the QTc interval in patients with advanced solid tumors who lacked standard treatment options.
  • The study involved 21 patients who took the drug for three days, with evaluations of QTc intervals and plasma concentrations of the drug conducted to assess safety.
  • Results showed no significant increase in QTc prolongation, indicating that adavosertib does not pose a clinically important risk for cardiac issues related to QTc interval.
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