About this trial
Study ATX-898-101 is a phase 1/2 open-label study evaluating the safety, tolerability, pharmacokinetic, and preliminary efficacy of ATX-898 as monotherapy and in combination with anti-neoplastic agents in selected solid tumors. This study consists of 2 parts. Part 1 evaluates ATX-898 as monotherapy and Part 2 evaluates ATX-898 in combination with anti-neoplastic agents of interest. Both parts will consists of a dose escalation portion and a dose expansion portion.
Eligibility criteria
Qualifiers
Has histologically or cytologically confirmed advanced solid tumor malignancy that is metastatic or locally advanced and unresectable
Is ≥18 years of age at the time of signing the informed consent form
ECOG performance status score of 0 or 1
Adequate organ function
Disqualifiers
Has history (within ≤2 years before screening) of a solid tumor or hematological malignancy that is histologically distinct from the cancer being studied
Has symptomatic CNS metastases at screening or asymptomatic CNS metastases requiring corticosteroids to control symptoms within 28 days prior to the first dose of ATX-898.
Has toxicities from previous anticancer therapies that have not resolved to baseline levels or to CTCAE Grade ≤1, with the exception of alopecia any grade and Grade ≤2 peripheral neuropathy
Has any condition for which, in the opinion of the Investigator, participation would not be in the best interest of the participant or would prevent, limit, or confound the protocol-specified assessments
Trial design
Treatments tested in this trial
- ATX-898
- ATX-898
- ATX-898
- ATX-898
- ATX-898
- ATX-898, fulvestrant, ribociclib
- ATX-898, fulvestrant, ribociclib
- ATX-898, fulvestrant, ribociclib
Treatment groups
8
Treatment groupsSee each treatment group below.