CLINICAL TRIALS

Breast Cancer Clinical Trials in California

10+ recruiting Breast Cancer trials in California, simplified into plain English.

Informational only. Not medical advice. Always consult a qualified healthcare professional.
Data sourced from ClinicalTrials.gov (NLM/NIH).

RECRUITINGPhase 1

Study of the Kinesin Oral Molecular Degrader BBI-940 in Subjects With Advanced or Metastatic Breast Cancer

This is a first-in-human, open-label, Phase 1 study evaluating BBI-940, an investigational kinesin oral molecular degrader, administered as monotherapy or in combination with fulvestrant in adults with advanced or metast

NCT07408089 · Los Angeles
RECRUITINGPhase 2

Atezolizumab + Sacituzumab Govitecan to Prevent Recurrence in TNBC (ASPRIA)

The purpose of this study is to determine if a combination of two drugs sacituzumab govitecan and atezolizumab works as a treatment for residual cancer in the breast or lymph nodes and have circulating tumor DNA in the b

NCT04434040 · San Francisco
ACTIVE NOT RECRUITINGPhase 1

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

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 canc

NCT07038369 · Los Angeles
ACTIVE NOT RECRUITINGPhase 1

TACTIVE-U: A Study to Learn About the Study Medicine (Vepdegestrant) When Given With Other Medicines in People With Advanced or Metastatic Breast Cancer. (Sub-Study C)

The purpose of this study is to learn about the safety and effects of the study medicine called vepdegestrant. The safety and effects of vepdegestrant will be see when given with other medicines. Vepdegestrant is studied

NCT06125522 · Palo Alto
ACTIVE NOT RECRUITINGNA

Improving Nutrition and Physical Activity for Cancer Survivors (Tools To Be Fit)

This clinical trial studies the effect of four different intervention components "tools" on body weight, nutrition, and physical activity in cancer survivors. Studies indicate that people with a history of cancer whose n

NCT05056077 · San Francisco
ACTIVE NOT RECRUITINGPhase 2

Carboplatin and Paclitaxel With or Without Atezolizumab Before Surgery in Treating Patients With Newly Diagnosed, Stage II-III Triple-Negative Breast Cancer

This phase II trial studies how well carboplatin and paclitaxel with or without atezolizumab before surgery works in treating patients with newly diagnosed, stage II-III triple negative breast cancer. Immunotherapy with

NCT02883062 · Sacramento
RECRUITINGPhase 2

Study of Patritumab Deruxtecan Plus Pembrolizumab With Other Anticancer Agents in Participants With High-Risk Early-Stage Triple-Negative or Hormone Receptor-Low Positive/HER-2 Negative Breast Cancer (MK-1022-010, HERTHENA-Breast-03)

Researchers are looking for new ways to treat triple-negative breast cancer (TNBC) and hormone receptor (HR) low positive/human epidermal growth factor receptor-2 (HER2) negative breast cancer. The main goals of this stu

NCT06797635 · Santa Monica
ACTIVE NOT RECRUITINGPhase 1

Study of Oral MRT-2359 in Selected Cancer Patients

This Phase 1/2, open-label, multicenter study is conducted in patients with previously treated selected solid tumors, including non-small cell lung cancer (NSCLC), small cell lung cancer (SCLC), high-grade neuroendocrine

NCT05546268 · San Diego
ACTIVE NOT RECRUITINGPhase 3

Olaparib as Adjuvant Treatment in Patients With Germline BRCA Mutated High Risk HER2 Negative Primary Breast Cancer

Olaparib treatment in patients with germline BRCA1/2 mutations and high risk HER2 negative primary breast cancer who have completed definitive local treatment and neoadjuvant or adjuvant chemotherapy

NCT02032823 · Baldwin Park
RECRUITINGPhase 3

A Study of Metastases Free Survival With Saruparib vs Placebo Added to a Standard RT/ADT in Men With High-risk Prostate Cancer With a BRCA Mutation

The purpose of the study is to demonstrate superiority of Saruparib (AZD5305) relative to placebo added to a standard radiation therapy (RT) + androgen deprivation therapy (ADT) regimen by assessment of metastases-free s

NCT06952803 · La Jolla

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COMMON QUESTIONS

Are there Breast Cancer clinical trials in California?

Yes. Clinicals AI lists 10+ recruiting Breast Cancer trials in California sourced from ClinicalTrials.gov. Browse them above or search across all states.

How do I qualify for a Breast Cancer trial in California?

Eligibility varies by study. Most trials require a confirmed Breast Cancer diagnosis, fall within a specific age range, and may have restrictions based on prior treatments. Review each listing's criteria and submit a contact request for more details.

Are Breast Cancer clinical trials free to join?

Most trials cover the investigational treatment and all study-related visits. Some also offer compensation for travel and time. Always confirm the cost structure with the trial coordinator before enrolling.