A Study of TPX-0131, a Novel Oral ALK Tyrosine Kinase Inhibitor, in Patients With ALK+ Advanced or Metastatic NSCLC

Inclusion Criteria:

* Age ≥ 18 (or as required by local regulation).
* Histological or cytological confirmation of advanced/metastatic ALK+ NSCLC.
* Pretreated with up to three prior lines of an ALK TKI treatment, including at least one prior line of a second or third-generation ALK TKI (alectinib, brigatinib, ensartinib, or lorlatinib) in Phase 1.
* ECOG performance status ≤ 1.
* Existence of measurable or evaluable disease (according to Response evaluation criteria in solid tumors \[RECIST v1.1\] criteria).
* Subjects with asymptomatic CNS metastases and/or asymptomatic leptomeningeal carcinomatosis are eligible.
* Adequate organ function.

Exclusion Criteria:

* Major surgery within four weeks of the start of TPX-0131 treatment.
* Clinically significant cardiovascular disease
* Any of the following cardiac criteria:

  * Mean resting corrected QT interval (QTc) \> 470 msec obtained from three ECGs and any factors that increase the risk of QTc prolongation or arrhythmic events
  * Any clinically important abnormalities in rhythm, conduction, or morphology of resting ECG
* Known clinically significant active infections not controlled with systemic treatment (bacterial, fungal, viral including HIV positivity).
* Gastrointestinal disease or other malabsorption syndromes that would impact drug absorption.
* Subjects being treated with or anticipating the need for treatment with strong CYP3A4 inhibitors or inducers.
* Subjects with current or anticipated need for drugs that are sensitive CYP2C9 substrates with narrow therapeutic indices.