Hepatic Impairment Study for Lorlatinib in Cancer Patients

  • STATUS
    Recruiting
  • End date
    Apr 26, 2023
  • participants needed
    76
  • sponsor
    Pfizer
Updated on 25 September 2021

Summary

This is a phase 1 study in advanced cancer patients with varied hepatic fucntions 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.

Description

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.

Details
Condition Advanced Cancers
Treatment Lorlatinib
Clinical Study IdentifierNCT03726333
SponsorPfizer
Last Modified on25 September 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Histologically or cytologically confirmed solid malignancy or lymphoma that is metastatic or unresectable, and for which standard curative or palliative measures do not exist, or are no longer effective
Biliary obstruction with a biliary drain or stent
Neurologically stable gliomas and brain metastases
ECOG performance status of 0, 1, or 2
adequate bone marrow function
adequate pancreatic function
adequate renal function
female patients with negative pregnancy test

Exclusion Criteria

untreated esophageal varices; uncontrolled ascites
episodes of hepatic encephalopathy within the last 4 weeks
spinal cord compression; major surgery within 4 weeks prior to enrollment
radiation therapy within 2 weeks prior to enrollment
last anti-cancer treatment within 2 weeks prior to screening
previous high-dose chemotherapy requiring stem cell rescue
prior to irradiation to >25% of the bone marrow
gastrointestinal abnormalities
known prior or suspected hypersensitivity to lorlatinib or lorlatinib tablet
clinically significant bacterial, fungal or viral infections for non-liver cancer patients
clinically significant cardiovascular disease
uncontrolled hypertension; acute pancreatitis with predisposing characteristics
history of grade 3 or 4 interstitial fibrosis or interstitial lung disease
active hemoelysis or evidence of biliary sepsis
prior major gastrointestinal surgery
concurrent use of known strong CYP3A inhibitors, inducers and P-gp substrates with a narrow therapeutic index
concurrent use of CYP3A substrates with narrow therapeutic indices
prior treatment with lorlatinib; active bleeding disorder
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