This is a phase 1 study in advanced cancer patients with varied hepatic functions to
evaluate the potential effect of hepatic impairment on pharmacokinetics and safety of
lorlatinib and provide dose recommendation for patients with hepatic impairment if
possible.
Study sponsor and potential other locations can be found on ClinicalTrials.gov for NCT03726333.
This will be a Phase 1, open label, multi center, multiple dose, non randomized, Phase 1
clinical trial of lorlatinib in advanced cancer patients with varying degrees of hepatic
impairment and necessary age , weight , and gender matched prospect normal hepatic
function patients. This study is intended to evaluate the potential effect of hepatic
impairments on the PK and safety of lorlatinib after daily administration of lorlatinib
and to provide dosing recommendation for patients with varied degree of hepatic
impairment if possible.
Patients in the study will be assigned to different groups (A1, normal liver function,
control for group B; A2, normal liver function, control for group C; B, mild hepatic
impairment; C, moderate hepatic impairment; D, severe hepatic impairment) according to
their liver function. The enrollment of approximately 76 advanced cancer patients is
anticipated in this study in order to have 8 PK-evaluable patients in each of Groups A1,
A2, B and C, and 6 PK-evaluable patients in Group D for final statistical analysis.
Evaluable patients are those who complete the planned PK sample collection on Cycle 2 Day
1 and have no lorlatinib dose modification until completion of Cycle 2 Day 1 PK
evaluation. Patients who are not evaluable for PK will be replaced. Each patient will be
treated with repeated oral once daily doses of lorlatinib in 21-day cycles until disease
progression, patient refusal, or unacceptable toxicity occurs. The dose schedule may be
modified as necessary for individual patients according to tolerability.
Lead OrganizationPfizer Inc