Clinical trials · Pennsylvania
Breast cancer clinical trials in Pennsylvania
We’re tracking 136 recruiting breast cancer studies with a site in Pennsylvania — including Early Phase 1, Phase 1, Phase 1/Phase 2, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies in Pennsylvania
- NCT04893109RecruitingPhase 2
Study compares two HER2 breast cancer treatments after surgery
This Phase 2 study tests two different medicines given after breast surgery to reduce the risk of cancer coming back. It is only for people with early-stage HER2-positive breast cancer with limited or no lymph node spread.
Philadelphia, PennsylvaniaAges 18 years+ - NCT05625659Recruiting
Breast cancer screening for dense breasts using new X-ray scans
This trial compares two imaging tests—CESM (a contrast-enhanced mammogram) and DBT (3D mammography)—to see which works best for women with dense breast tissue. It may help improve how early breast changes are found in dense breasts.
Philadelphia, PennsylvaniaAges 45–74 - NCT06103864RecruitingPhase 3
Study of Dato-DXd with or without durvalumab for advanced triple-negative breast cancer
This trial is testing whether a new drug combination (Dato-DXd with or without durvalumab) works better than standard chemotherapy plus pembrolizumab for people with a certain type of advanced triple-negative breast cancer that has a protein called PD-L1. The study aims to find a more effective treatment option for this specific group.
York, PennsylvaniaAges 18 years+ - NCT04852887RecruitingPhase 3
Testing shorter breast radiation after low-risk hormone breast cancer
This Phase 3 trial studies whether “less intense” radiation can work as well as standard radiation for certain early-stage hormone receptor–positive, HER2-negative breast cancers that have a low Oncotype DX score. It may help reduce treatment burden while keeping cancer control strong.
Chambersburg, PennsylvaniaAges 50–70 - NCT07319195RecruitingEarly Phase 1
Study of a new drug injected into tumors for breast cancer
This trial tests a drug called mitazalimab injected directly into the tumor for patients with early-stage or recurrent breast cancer who are scheduled for surgery. The goal is to see if this approach can help the immune system fight the cancer before surgery.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06778863RecruitingPhase 1
A study of CLSP-1025 for adults with certain solid tumors
This trial tests a new drug called CLSP-1025 for people with advanced solid tumors that have a specific change in the p53 gene (R175H). The drug targets this change to help fight the cancer.
Philadelphia, PennsylvaniaAges 18 years+ - NCT05283330RecruitingPhase 1
Tested 212Pb imaging drug for certain advanced GRPR tumors
This early-phase study tests how safe and tolerable an experimental radiation drug is for adults with certain advanced or metastatic cancers that show a target called GRPR. Doctors will also use special scans to confirm the tumor has the target so the treatment can be delivered to the right place.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT06695845RecruitingPhase 2
Study of zanidatamab for HER2-positive solid tumors
This trial tests a drug called zanidatamab in people with advanced solid tumors that have high levels of HER2 protein (called HER2-positive). It aims to see if zanidatamab can shrink or slow the growth of these tumors.
Horsham, PennsylvaniaAges 18 years+ - NCT06435429RecruitingPhase 3
Zanidatamab vs trastuzumab for HER2+ breast cancer
This study compares a new drug called zanidatamab against trastuzumab (Herceptin), both given with a chemotherapy of your doctor's choice. It is for people with HER2-positive breast cancer that has spread and who have already tried T-DXd treatment.
Philadelphia, PennsylvaniaAges 18 years+ - NCT03804944RecruitingPhase 2
Vaccine trial for hormone-positive breast cancer
This Phase 2 study tests an individualized vaccine made from your tumor information to help your immune system fight hormone-positive breast cancer. You may be able to participate if you meet specific hormone-receptor, health, and treatment-timing requirements.
Pittsburgh, PennsylvaniaAges 18–90 - NCT07054723Recruiting
Surviving daily life after breast cancer
This study looks at how breast cancer survivors manage daily life. Researchers want to learn from people who are 40 or older and at least 5 years past their diagnosis. The goal is to better understand what helps people thrive after cancer.
Philadelphia, PennsylvaniaAges 40 years+ - NCT05564377RecruitingPhase 2
Find targeted cancer treatments using genetic testing
This study matches people with advanced solid tumors to targeted treatment plans based on genetic testing. It also requires tumor sample testing to help doctors choose the most promising therapy for your specific tumor changes.
Allentown, PennsylvaniaAges Any age - NCT05696626RecruitingPhase 3
Test a new pill plus abemaciclib versus standard therapy
This Phase 3 study compares lasofoxifene plus abemaciclib versus fulvestrant plus abemaciclib for ER-positive, HER2-negative breast cancer that has an ESR1 mutation. It looks for better tumor control in people whose cancer has progressed on hormone therapy (an aromatase inhibitor) and who meet specific safety and testing requirements.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT06492616RecruitingPhase 3
Elacestrant vs standard hormone therapy for high-risk early breast cancer
This trial tests a new hormone therapy pill (elacestrant) against standard hormone therapy for people with a common type of early breast cancer (ER+, HER2-) that has a higher chance of returning. You may qualify if you've already been on hormone therapy for 2 to 5 years and want to see if a different pill works better.
Allen, PennsylvaniaAges 18 years+ - NCT07140172Recruiting
Radiation or surgery for node-positive breast cancer
This trial compares two treatments for people with breast cancer that has spread to the lymph nodes: radiation therapy to the armpit or surgery to remove the lymph nodes. The goal is to see which approach works best after a tailored surgery to remove the most suspicious lymph nodes.
Philadelphia, PennsylvaniaAges 18 years+ - NCT03418961RecruitingPhase 3
Study of heart-risk management for metastatic HER2 breast cancer
This trial follows people with metastatic HER2-positive breast cancer who are at higher risk for heart damage while on HER2-targeted therapy. Some participants are randomly assigned to different monitoring/heart-protection approaches to see what best helps keep the heart safe.
Bryn Mawr, PennsylvaniaAges 18 years+ - NCT05126290Recruiting
Study for CTNNA1 gene family members
This study looks at people who carry a specific “loss-of-function” CTNNA1 gene change—or who are closely related to someone who does. It’s designed to better understand this genetic risk in families and may help guide future care and monitoring.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07214532Recruiting
Using a blood test to guide breast cancer therapy
This study tests whether a blood test can help decide when to start additional hormone-blocking therapy for early-stage breast cancer. It aims to see if starting therapy only when the test detects cancer DNA is as effective as giving it to everyone.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT07182149RecruitingPhase 1
Testing a new drug for advanced solid tumors
This trial tests a new drug called NRM-823 for people with several types of advanced cancer that have stopped responding to standard treatments. The goal is to see if the drug is safe and how well it works.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07262138Recruiting
Active monitoring for older women with early breast cancer
This trial studies whether active monitoring (watchful waiting) can be a safe option instead of immediate surgery or other treatments for women 70 and older who have a small, slow-growing type of breast cancer. If you join, you will not have surgery or other treatments right away, but your cancer will be closely watched.
Pittsburgh, PennsylvaniaAges 70 years+ - NCT04862663RecruitingPhase 3
Capivasertib plus hormone therapy for HR+ breast cancer after progression
This Phase 3 trial studies capivasertib (a targeted pill) plus fulvestrant (a hormone injection) together with a CDK4/6 inhibitor to treat HR+ / HER2- advanced breast cancer that has returned or grown despite earlier hormone therapy. It may help by blocking growth signals linked to cancer cell survival.
Philadelphia, PennsylvaniaAges 18–99 - NCT07038785Recruiting
Can trained dogs find breast cancer from breath?
This trial will see if specially trained dogs can identify breast cancer by smelling breath samples. You would give a breath sample and the dogs will be tested on how well they can detect cancer from it.
Philadelphia, PennsylvaniaAges 18 years+ - NCT01042548Recruiting
Testing blood and tissue markers in breast surgery patients
This study looks at proteins and imaging patterns (from tissue, fluid near the tumor, and blood) to better understand breast cancer markers. It may help researchers find clues that doctors can use to evaluate breast nodules and newly diagnosed invasive breast cancer.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT04802759RecruitingPhase 1/Phase 2
Testing drug combinations for recurrent or advanced ER-positive breast cancer
This early-phase trial tests several combinations of cancer medicines to slow or control ER-positive breast cancer that has returned or progressed. It also checks safety and whether tumor or blood biomarkers can help match the right treatment to the right person.
Philadelphia, PennsylvaniaAges 18 years+
Breast cancer trials by city in Pennsylvania
Where these studies are running in Pennsylvania
Institutions with a site for the recruiting breast cancer studies listed above.
- Fox Chase Cancer Center · 6 studies
- Thomas Jefferson University Hospital · 6 studies
- University of Pennsylvania · 5 studies
- University of Pittsburgh Medical Center · 4 studies
- Guthrie Robert Packer Hospital · 3 studies
- Lankenau Medical Center · 3 studies
- Penn State Milton S Hershey Medical Center · 3 studies
- Allegheny General Hospital · 2 studies
What taking part in a breast cancer study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Breast cancer trials in other states
Common questions
- Are there breast cancer clinical trials in Pennsylvania?
- Yes. We're currently tracking 136 recruiting breast cancer studies with a site in Pennsylvania, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a breast cancer study in Pennsylvania?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Pennsylvania to take part?
- Not necessarily. These studies have a site in Pennsylvania, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a breast cancer trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New breast cancer studies open in Pennsylvania regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.