A Study of PARP1 Selective Inhibitor, EIK1004 (IMP1707) in Participants With Advanced Solid Tumors.
A Phase 1/2, Open-label, Multicenter, Dose-escalation, and Dose-Optimization Study to Evaluate the Safety, Tolerability, and Activity of EIK1004 (IMP1707) as Monotherapy in Participants With Advanced Solid Tumors
Eikon Therapeutics
130 participants
Apr 30, 2025
INTERVENTIONAL
Conditions
Summary
This study will evaluate the safety, tolerability, and preliminary efficacy of EIK1004 (IMP1707) in participants with recurrent advanced/metastatic breast cancer, ovarian cancer, metastatic castrate resistant prostate cancer (mCRPC) and pancreatic cancer with deleterious/suspected deleterious mutations of select homologous recombination repair (HRR) genes. Condition or disease Intervention/treatment Phase Advanced Solid Tumors Drug: EIK1004 (IMP1707) Phase 1/Phase 2
Eligibility
Inclusion Criteria12
- • Breast cancer: must have received at least one prior chemotherapy in neoadjuvant/adjuvant/metastatic setting, must have received hormonal therapy if HR+, HGSOC or high grade endometrioid EOC, fallopian tube or primary peritoneal cancer; must have received at least one prior platinum-based chemotherapy for advanced disease.
- mCRPC with ongoing ADT, must have received NHA and up to 1 prior line of taxane chemotherapy; Pancreatic cancer, must have prior 1L therapy
- Age ≥ 18 years at the time of informed consent
- Eastern Cooperative Oncology Group (ECOG) performance status ≤1
- Adequate organ function
- Life expectancy ≥ 12 weeks
- Should have evaluable disease as defined by RECIST1.1 and/or CA125 or PSA
- Female subjects of childbearing potential and male subjects must agree to use an effective method of contraception from study entry up to 6 months after the last dose of EIK1004 (IMP1707)
- Deleterious or suspected deleterious germline or somatic mutations of select HRR genes
- Up to 1 prior line of PARP inhibitor containing treatment
- Untreated CNS metastases (measurable and/or non-measurable) not needing immediate local therapy.
- Previously treated CNS metastases
Exclusion Criteria12
- Any investigational or approved anti-cancer therapies administered within 28 days/ before the first dose of EIK1004 (IMP1707)
- Have received prior PARP1 selective inhibitors
- Mean resting QTcF \> 470 ms or QTcF \< 340 ms
- Infections
- \- An active hepatitis B/C infection
- Any known predisposition to bleeding
- Unable to swallow oral medications OR have malabsorption syndrome or any other uncontrolled gastrointestinal condition that might impair the bioavailability
- Any untreated brain lesions \> 2.0 cm in size.
- Ongoing use of systemic corticosteroids for control of symptoms of CNS metastases \< 7 days prior to the first dose of study treatment or requirement for \> 10 mg prednisone/day.
- Any brain lesion requiring immediate local therapy, including (but not limited to) a lesion in an anatomic site where an increase in size or possible treatment-related edema may pose risk to the participant (eg, brain stem lesions).
- Known, symptomatic leptomeningeal disease.
- Have poorly controlled seizures.
Interventions
PARP1 selective inhibitor
Locations(10)
View Full Details on ClinicalTrials.gov
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NCT06907043