How do I find clinical trials for HER2-Positive Breast Cancer

HER2-Positive Breast CancerMay 20, 2026Navis AI

For informational purposes only

This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

Finding Clinical Trials for HER2-Positive Breast Cancer

Finding the right clinical trial can be an important part of your treatment journey. Here's a practical guide based on current guidelines and resources.

Why Clinical Trials Matter for HER2-Positive Breast Cancer

HER2-positive breast cancer is an area with significant clinical trial activity because HER2 (human epidermal growth factor receptor 2) is a well-understood target. According to the NCCN Guidelines for Patients, everyone with cancer should carefully consider all available treatment options, including standard treatments and clinical trials. For HER2-positive disease, trials often test newer targeted therapies and combinations that may offer additional benefits beyond standard care.

Where to Search for Trials

According to NCCN Guidelines, here are the main resources:

In the United States:

NCI (National Cancer Institute) Clinical Trials Database: cancer.gov/about-cancer/treatment/clinical-trials/search
NCCN Cancer Centers: NCCN.org/cancercenters (many NCCN centers actively recruit for trials)
ClinicalTrials.gov: The U.S. National Library of Medicine's comprehensive database

Worldwide:

The U.S. National Library of Medicine also maintains international trial listings

What to Know About Clinical Trial Phases

Understanding trial phases helps you evaluate options:

Phase 1: Tests safety, side effects, and early effectiveness of new drugs
Phase 2: Studies how well the drug works against your specific cancer type
Phase 3: Compares the new drug directly against standard treatment (if results are good, FDA approval may follow)
Phase 4: Monitors long-term safety and benefits of FDA-approved treatments

Important Questions to Ask About Clinical Trials

According to NCCN Guidelines, before enrolling, ask your care team:

What clinical trials are available for my type and stage of breast cancer?
What treatments are used in the trial?
What does the treatment do?
Has the treatment been used before? Has it been used for other cancer types?
What are the risks and benefits of this treatment?
What side effects should I expect, and how will they be managed?
How long will I be in the clinical trial?
Will I be able to get other treatments if this doesn't work?
How will you know the treatment is working?
Will the clinical trial cost me anything?

Key Facts About Clinical Trial Participation

Eligibility: Every trial has specific rules called "eligibility criteria" about age, cancer stage, treatment history, and general health. These ensure participants are similar and the trial is safe.

Placebos: Placebos (inactive medicines) are almost never used alone in cancer clinical trials. You'll typically receive either a placebo with standard treatment, or a new drug with standard treatment. You'll be informed in writing before enrolling.

Cost: There is rarely a fee to enroll. The study sponsor pays for research-related costs, including the study drug. However, you may need to pay for other services like transportation or childcare due to extra appointments. Standard cancer care continues to be covered by insurance.

Your Rights: You can leave a clinical trial at any time and seek treatment outside the trial. Take time to read the informed consent form carefully and discuss it with people you trust.

Taking the First Step

Don't wait for your doctor to bring up clinical trials. According to NCCN Guidelines, start the conversation yourself and learn about all your treatment options. If you find a study you may be eligible for, ask your treatment team if you meet the requirements.

If you've already started standard treatment, you may not be eligible for certain trials—but don't be discouraged. New clinical trials are constantly becoming available.