NCT07021898 · Erasca, Inc.
A Study of ERAS-4001 in Patients With Advanced or Metastatic Solid Tumors.
(BOREALIS-1)
What this study is about
The main purpose of the study is to assess whether the study drug, ERAS-4001, is safe and tolerable when administered to patients with advanced or metastatic solid tumors with certain KRAS mutations. ERAS-4001 will be given alone or in combination with other treatments.
View original scientific description
The main purpose of the study is to assess whether the study drug, ERAS-4001, is safe and tolerable when administered to patients with advanced or metastatic solid tumors with certain KRAS mutations. ERAS-4001 will be given alone or in combination with other treatments.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- Age ≥ 18 years
- Willing and able to give written informed consent
- Pathological documentation of tumor type and mutation prior to the first dose of study drug(s)
- There is no available standard systemic therapy available for the patient's tumor histology and/or molecular biomarker profile; or standard therapy is intolerable, not effective, or not accessible; or patient has refused standard therapy
- Able to swallow oral medication
- Have Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0 or 1
- Adequate cardiovascular, hematological, liver, and renal function
- Willing to comply with all protocol-required visits, assessments, and procedures
Exclusion criteria
- Previous treatment with a RAS inhibitor
- Is currently receiving another study therapy or has participated in a study of an investigational agent and received study therapy within 4 weeks of the first dose of ERAS-4001
- Received prior palliative radiation within 14 days of Cycle 1, Day 1
- Have primary central nervous system (CNS) tumors
- Prior surgery (e.g., gastric bypass surgery, gastrectomy) or gastrointestinal dysfunction (e.g., Crohn's disease, ulcerative colitis, short gut syndrome) that may affect drug absorption
- Have any underlying medical condition, psychiatric condition, or social situation that, in the opinion of the Investigator, would compromise study administration as per protocol or compromise the assessment of AEs
- Are pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the trial
Where
- Nashville, Tennessee
- Houston, Texas
- Irving, Texas
- San Antonio, Texas
- Seattle, Washington
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Dec 3, 2025 · Source of record for eligibility and locations