Phoenix, ARIZONA18 Active Studies

Breast Cancer Clinical Trials in Phoenix, ARIZONA

Find 18 actively recruiting breast cancer clinical trials in Phoenix, ARIZONA. Connect with local research sites and explore new treatment options.

18
Active Trials
16
Sponsors
26,845
Enrolling

Recruiting Breast Cancer Studies in Phoenix

RecruitingPhoenix, ARIZONANCT05514054

A Study of Imlunestrant Versus Standard Endocrine Therapy in Participants With Early Breast Cancer

The main purpose of this study is to measure how well imlunestrant works compared to standard hormone therapy in participants with early breast cancer that is estrogen receptor positive (ER+) and huma...

8,000 participants
Eli Lilly and Company
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RecruitingPhoenix, ARIZONANCT05952557

An Adjuvant Endocrine-based Therapy Study of Camizestrant (AZD9833) in ER+/HER2- Early Breast Cancer (CAMBRIA-2)

This is a Phase III open-label study to assess if camizestrant improves outcomes compared to standard adjuvant endocrine therapy for patients with ER+/HER2- early breast cancer with intermediate-high ...

5,500 participants
AstraZeneca
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RecruitingPhoenix, ARIZONANCT05929768

Shorter Chemo-Immunotherapy Without Anthracycline Drugs for Early-Stage Triple Negative Breast Cancer

This phase III trial compares the effects of shorter chemotherapy (chemo)-immunotherapy without anthracyclines to usual chemo-immunotherapy for the treatment of early-stage triple negative breast canc...

2,400 participants
SWOG Cancer Research Network
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RecruitingPhoenix, ARIZONANCT04852887

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

This Phase III Trial evaluates whether breast conservation surgery and endocrine therapy results in a non-inferior rate of invasive or non-invasive ipsilateral breast tumor recurrence (IBTR) compared ...

1,670 participants
NRG Oncology
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RecruitingPhoenix, ARIZONANCT05633654

Study of Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice in Patients With Triple Negative Breast Cancer Who Have Residual Invasive Disease After Surgery and Neoadjuvant Therapy (ASCENT-05/AFT-65 OptimICE-RD/GBG 119/NSABP B-63)

The goal of this study is to find out if the experimental product, sacituzumab govitecan-hziy (SG) in combination with pembrolizumab given after surgery, is effective and safe compared to the treatmen...

1,514 participants
Gilead Sciences
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RecruitingPhoenix, ARIZONANCT05705401

Testing Radiation and HER2-targeted Therapy Versus HER2-targeted Therapy Alone for Low-risk HER2-positive Breast Cancer

This Phase III trial compares the recurrence-free interval (RFI) among patients with early-stage, low risk HER2+ breast cancer who undergo breast conserving surgery and receive HER2-directed therapy, ...

1,300 participants
NRG Oncology
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RecruitingPhoenix, ARIZONANCT05812807

Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab

The phase III trial compares the effect of pembrolizumab to observation for the treatment of patients with early-stage triple-negative breast cancer who achieved a pathologic complete response after p...

1,295 participants
Alliance for Clinical Trials in Oncology
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RecruitingPhoenix, ARIZONANCT06671912

Testing Low Dose Tamoxifen for Invasive Breast Cancer, the (LoTam) Trial

This phase III trial compares the effect of low dose tamoxifen to usual hormonal therapy, including aromatase inhibitors, in treating post-menopausal women with hormone positive, HER2 negative early s...

1,156 participants
Alliance for Clinical Trials in Oncology
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RecruitingPhoenix, ARIZONANCT06760637

Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease

The purpose of this study is to determine the safety and efficacy of PF-07220060 with letrozole compared to approved treatments (ie, palbociclib, ribociclib or abemaciclib with letrozole) in people wi...

1,020 participants
Pfizer
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RecruitingPhoenix, ARIZONANCT06324357

Beamion BCGC-1: A Study to Find a Suitable Dose of Zongertinib Used Alone and in Combination With Other Treatments to Test Whether it Helps People With Different Types of HER2+ Cancer That Has Spread

This study is open to adults aged 18 years and older with different types of HER2+ cancer that has spread and cannot be removed by surgery. People can take part in this study if their tumours show HER...

582 participants
Boehringer Ingelheim
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RecruitingPhoenix, ARIZONANCT06435429

A Study Comparing the Efficacy and Safety of Zanidatamab to Trastuzumab, Each in Combination With Physician's Choice Chemotherapy, for the Treatment of Participants With Metastatic HER2-positive Breast Cancer

The efficacy and safety of zanidatamab in combination with physician's choice of chemotherapy compared with trastuzumab in combination with physician's choice of chemotherapy will be evaluated for the...

550 participants
Jazz Pharmaceuticals
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RecruitingPhoenix, ARIZONANCT06377852

The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study

The purpose of this study is to generate evidence on an alternative dosing strategy for CDK4/6 inhibitors to help more patients with Metastatic Breast Cancer (MBC) (age ≥ 65 years) tolerate side effec...

500 participants
American Society of Clinical Oncology
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RecruitingPhoenix, ARIZONANCT05563220

Open-Label Umbrella Study To Evaluate Safety And Efficacy Of Elacestrant In Various Combination In Participants With Metastatic Breast Cancer

This is a multicenter, Phase 1b/2 trial in participants with estrogen receptor positive/human epidermal growth factor receptor 2 negative (ER+/HER2-) advanced/metastatic breast cancer. The phase 1b pa...

435 participants
Stemline Therapeutics, Inc.
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RecruitingPhoenix, ARIZONANCT05710328

Testing the Role of FDG-PET/CT to Predict Response to Therapy Prior to Surgery for HER2-positive Breast Cancer, The DIRECT Trial

This phase II trial tests how well an imaging procedure called fludeoxyglucose F-18 (FDG) positron emission tomography/computed tomography (PET/CT) works in predicting response to standard of care che...

235 participants
ECOG-ACRIN Cancer Research Group
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RecruitingPhoenix, ARIZONANCT05607004

(Z)-Endoxifen for the Treatment of Premenopausal Women With ER+/HER2- Breast Cancer

This open-label research study is studying (Z)-endoxifen as a possible treatment for pre-menopausal women with ER+/HER2- breast cancer. (Z)-endoxifen belongs to a group of drugs called selective estro...

214 participants
Atossa Therapeutics, Inc.
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RecruitingPhoenix, ARIZONANCT05467891

Ribociclib And Endocrine Treatment of Physician's Choice for Locoregional Recurrent, Resected Hormone Receptor Positive HER2 Negative Breast Cancer

This is an open label, multicenter, single arm phase II study to evaluate the efficacy and safety of ribociclib and ET in patients with locoregional recurrence of HR-positive, HER2-negative breast can...

200 participants
Oana Danciu
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RecruitingPhoenix, ARIZONANCT06369285

A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer

PUMA-ALI-1201 is a randomized, dose optimization, multicenter, Phase 2 study of alisertib administered in combination with endocrine therapy in participants with pathology-confirmed HR-positive/HER2-n...

150 participants
Puma Biotechnology, Inc.
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RecruitingPhoenix, ARIZONANCT06590857

Trial of 225Ac-DOTATATE (RYZ101) in Subjects With ER+, HER2-negative Unresectable or Metastatic Breast Cancer Expressing SSTRs.

Phase 1b/2 open-label trial of 225Ac-DOTATATE (RYZ101) in subjects with ER+, HER2-negative unresectable or metastatic breast cancer expressing SSTRs....

124 participants
RayzeBio, Inc.
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About Breast Cancer Clinical Trials in Phoenix

Breast cancer is a disease in which cells in the breast grow out of control. It is the most common cancer in women worldwide and can also occur in men. Treatment options include surgery, radiation, chemotherapy, hormone therapy, and targeted therapies.

There are currently 18 breast cancer clinical trials recruiting participants in Phoenix, ARIZONA. These studies are seeking a combined 26,845 participants. Research is being sponsored by Eli Lilly and Company, AstraZeneca, SWOG Cancer Research Network and 13 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.

Breast Cancer Clinical Trials in Phoenix — FAQ

Are there breast cancer clinical trials in Phoenix?

Yes, there are 18 breast cancer clinical trials currently recruiting in Phoenix, ARIZONA. Browse the studies on this page to find one that fits.

How do I join a clinical trial in Phoenix?

Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Phoenix research site will contact you about next steps.

Are clinical trials in Phoenix free?

Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Phoenix studies also compensate for your time and travel.

What breast cancer treatments are being tested?

The 18 active trials in Phoenix are testing new therapies including novel drugs, biologics, and treatment approaches for breast cancer.

Data updated March 2, 2026 from ClinicalTrials.gov