A Study of Oral Lorlatinib in Patients With Relapsed ALK Positive Lymphoma (CRU3)

  • participants needed
  • sponsor
    University of Milano Bicocca
Updated on 28 January 2023


The purpose of this study is to define the objective response rates (ORR) of Lorlatinib in subjects with ALK+ lymphomas resistant or refractory to ALK inhibitors.


Lorlatinib is a selective and potent tyrosine kinase inhibitor of ALK and ROS1 that pre-clinically demonstrated dose-dependent inhibition of mutations that confer resistance to other ALK inhibitors; it is also a brain-penetrant thus it might be active in patients with CNS metastases.

Study Objectives Primary Define the objective response rates (ORR) of PF-06463922 in subjects with ALK+ lymphomas resistant or refractory to ALK inhibitors.


  • Define the Progression Free Survival (PFS) in subjects with ALK+ lymphomas resistant or refractory to ALK inhibitors.
  • Define the overall survival (OS) in ALK+ lymphoma patients treated with Lorlatinib, that are resistant or refractory to ALK inhibitors.
  • Determine the toxicity profile of Lorlatinib in ALK+ lymphoma patients resistant or refractory to ALK inhibitors.
  • Determine the Quality of Life (QoL) in this population of patients using the EORTC-C30 Quality of Life questionnaire.
  • Study the mutational status of ALK pre/post Lorlatinib treatment through next-generation sequencing (NGS).

Study design This is a phase 2 study open to 12 eligible patients with lymphoma with a confirmed ALK rearrangement. All patients must have been pretreated with at least one line of standard cytotoxic chemotherapy and at least one ALK inhibitor and they must have demonstrated progression (regardless of initial response) or resistance on the last treatment.

The study begins with a screening period to assess eligibility, up to and including 28 days prior to the first dose of Lorlatinib. Treatment will continue until patient experiences unacceptable toxicity or progressive disease (PD), starts a new anti-cancer therapy or dies.

The study will remain open until all patients have completed 3 years from the enrollment.

Study treatment Patients will receive an oral administration of Lorlatinib at a dose of 100mg QD. In case of toxicity, it is possible to proceed to a dose reduction (75mg or 50mg QD) or a temporary interruption of Lorlatinib.

Condition Anaplastic Large Cell Lymphoma, ALK-Positive
Treatment Lorlatinib
Clinical Study IdentifierNCT03505554
SponsorUniversity of Milano Bicocca
Last Modified on28 January 2023

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