First-in-Human Study of ATX-295, an Oral Inhibitor of KIF18A, in Patients With Advanced or Metastatic Solid Tumors, Including Ovarian Cancer

Eligibility Criteria

• * Patients with histologically confirmed solid tumors who have locally recurrent or metastatic disease, including HGSOC
• * Refractory to or relapsed after all standard therapies with proven clinical benefit, unless as deemed by the Investigator, the subject is not a candidate for standard treatment, there is no standard treatment, or the subject refuses standard treatment after expressing an understanding of all available therapies with proven clinical benefit
• * For the expansion cohorts, participants must have histological confirmation of HGSOC and be determined to be platinum-resistant, platinum-refractory, or platinum-intolerant
• * There is no limit to the number of prior treatment regimens
• * Have measurable or evaluable disease
• * Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1
• * Clinically unstable central nervous system (CNS) tumors or brain metastasis
• * Any other concurrent anti-cancer treatment, except for hormonal blockade
• * Has undergone a major surgery within 3 weeks of starting study treatment
• * Medical issue that limits oral ingestion or impairment of gastrointestinal function that is expected to significantly reduce the absorption of ATX-295, however participants with a functioning distal ileostomy or colostomy may be permitted on trial
• * Clinically significant (ie, active) or uncontrolled cardiovascular disease
• * Need to use proton pump inhibitors on study or H2-receptor antagonists for the dose escalation portion of the study.
• * Unable to transition off strong or moderate CYP3A4 inhibitors or strong inducers
• * Pregnancy or intent to breastfeed or conceive a child within the projected duration of treatment