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Study of ART0380 in Patients With Biologically Selected Solid Tumors

About

Brief Summary

This interventional study will evaluate the efficacy and safety of ART0380 as monotherapy in patients whose tumors have a biology to predict for sensitivity to inhibition of Ataxia-Telangiectasia Mutated and Rad3-related protein kinase (ATR).

Primary Purpose
Treatment
Study Type
Interventional
Phase
Phase II

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Inclusion Criteria:

  • Patients who have discontinued all previous treatments for cancer for at least 21 days or 5 half-lives (not including palliative radiotherapy at focal sites), whichever is shorter. Palliative radiotherapy must have completed 1 week prior to start of study treatment.
  • Resolution of all toxicities of prior therapy or surgical procedures to baseline or Grade 1 (except for hypothyroidism requiring medication, neuropathy, and alopecia, which must have resolved to Grade ≤2).
  • Have adequate organ function.
  • Patients of childbearing potential and patients with partners of childbearing potential are required to use highly effective contraception.
  • Have an estimated life expectancy of ≥12 weeks, in the judgment of the investigator.
  • Performance status of 0-1 on the Eastern Cooperative Oncology Group scale.
  • Have a non-irradiated tumor tissue sample (archival or newly obtained core biopsy of a tumor lesion) available.

Inclusion Criteria specific to each Arm

Inclusion Criteria for Arm 1 [ART0380 monotherapy (endometrial cancer patients)]

  • Persistent or recurrent EC with biological selection.
  • Patients should have received taxane/platinum chemotherapy unless contraindicated.
  • Measurable disease.

Inclusion Criteria for Arm 2 [ART0380 monotherapy (solid tumors patients)]

  • Advanced or metastatic solid cancers of any histology with biological selection.
  • If a Programmed cell death protein-1 /Programmed death-ligand-1 inhibitor (e.g., pembrolizumab) is approved and available for the patient's cancer, the patient should have received such treatment before participating in this study.
  • Radiologically evaluable disease.

Exclusion Criteria:

  • Patients who are pregnant.
  • Prior treatment with an inhibitor of ATR, WEE1, checkpoint kinase 1 or PKMYT1.
  • Have a serious concomitant systemic disorder that would compromise the patient's ability to adhere to the protocol.
  • Have ongoing interstitial lung disease or pneumonitis (whether symptomatic or asymptomatic).
  • Patients with treated brain metastases are eligible if follow-up brain imaging after central nervous system (CNS) directed therapy shows no evidence of progression.
  • Have any major gastrointestinal issues that could impact absorption of ART0380.
  • Have a history of allergy or hypersensitivity to study drug components.
  • Have a significant bleeding disorder or vasculitis or had a Grade ≥3 bleeding episode within 12 weeks prior to enrollment.
  • Patients receiving potent inhibitors and inducers of CYP3A4 or CYP3A4 substrates which have a narrow therapeutic range or CYP3A4 sensitive substrates within 2 weeks before the first dose of study treatment will be excluded.
  • Patients receiving the following within 2 weeks of the first dose will be excluded from study treatment.
    • P-glycoprotein or breast cancer resistance protein (BCRP) inhibitors
    • Statins
  • Patients who plan to father a child while in the study or within 16 weeks (5 months in France) after the last administration of study treatment.

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Study Stats
Protocol No.
23-001028
Category
Other Cancer
Ovarian Cancer
Contact
Cynthia Avina
Location
  • UCLA Westwood
For Providers
NCT No.
NCT05798611
For detailed technical eligibility, visit ClinicalTrials.gov.