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Study identifier: NCT07038369 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Active Not Recruiting

A Phase 1 Study of ATV-1601 in Patients With Advanced Cancer That Have AKT1 E17K Mutations

Condition: Advanced Solid Tumors · Breast Cancer · Breast Carcinoma  ·  Sponsor: Atavistik Bio, Inc

PhasePhase 1
Planned participants134
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNoCheck eligibility criteria ↓
Where8 locations · 4 countries

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

This is a Phase 1, open-label study to evaluate the safety and tolerability of ATV-1601 administered orally in adults with AKT1 E17K-mutant, advanced solid tumors and also in HR+/HER2- advanced and metastatic breast cancer, with or without fulvestrant.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: 1. Histologically or cytologically confirmed metastatic or advanced-stage solid malignant tumor or HR+/HER2- breast cancer. 2. Have progressed on, were intolerant to, or experienced disease recurrence after standard therapy and have no available effective or tolerable treatment options to derive clinically meaningful benefit. 3. Tumor must have documented specific mutation profile as outlined below based on local laboratory testing. 4. Participants with solid tumors or HR+/HER2- breast cancer with AKT1 E17K mutations. 5. Measurable disease according to RECIST v1.1 criteria. 6. Formalin-fixed paraffin-embedded tumor specimen available for submission. 7. Eastern Cooperative Oncology Group performance status of 0 or 1. Exclusion Criteria: 1. Previously documented activating mutations in KRAS, NRAS, HRAS, or BRAF. 2. Inadequate bone marrow reserve or organ function. 3. Clinically significant abnormalities of glucose metabolism. 4. Participants who are symptomatic or have uncontrolled brain metastases. 5. Requires treatment with certain medications. Participants must meet other inclusion/exclusion criteria.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (8)

USC Norris Comprehensive Cancer CenterLos Angeles, California, United States
Florida Cancer Specialists & Research Institute - Lake MaryLake Mary, Florida, United States
Massachusetts General HospitalBoston, Massachusetts, United States
Washington UniversitySt Louis, Missouri, United States
MD Anderson Cancer CenterHouston, Texas, United States
Centre Leon BerardLyon, France
National Cancer Centre SingaporeSingapore, Singapore
START Madrid - CIOCCMadrid, Spain

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