As of August 2026, 50 paid clinical trials are recruiting for Breast cancer in Los Angeles, California. Compensation typically covers time, travel, and study visits, and many studies also include study-related medical care at no cost.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
Researchers run research studies in Los Angeles, CA at 25 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.
| Site | Specializes in | Active trials |
|---|---|---|
| Cedars-Sinai Medical Center | Heart Failure, Acute Myeloid Leukemia, Breast Cancer | 227 |
| Children's Hospital Los Angeles | Neuroblastoma, Acute Myeloid Leukemia, Anesthesia | 129 |
| University of California, Los Angeles | Amyotrophic Lateral Sclerosis, Depression, Focal Epilepsy | 109 |
| University of Southern California | Acute Pancreatitis, Breast Cancer, Cervical Cancer | 96 |
| USC / Norris Comprehensive Cancer Center | Breast Carcinoma, Clinical Stage III Gastric Cancer AJCC v8, Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8 | 66 |
| UCLA / Jonsson Comprehensive Cancer Center | Prostate Carcinoma, Glioblastoma, Anatomic Stage II Breast Cancer AJCC v8 | 65 |
| Cedars Sinai Medical Center | Anxiety, Crohn's Disease, Heart Failure | 64 |
| University of California Los Angeles | Parkinson Disease, Bladder Cancer, Breast Cancer | 64 |
| UCLA | Bladder Cancer, Colorectal Cancer, Acute Lymphoblastic Leukemia (ALL) | 56 |
| Los Angeles General Medical Center | Advanced Esophageal Adenocarcinoma, Advanced Gastric Adenocarcinoma, Advanced Gastroesophageal Junction Adenocarcinoma | 52 |
| USC Norris Comprehensive Cancer Center | Advanced Solid Tumors, Colorectal Cancer, Endometrial Cancer | 50 |
| Kaiser Permanente Los Angeles Medical Center | Intracerebral Hemorrhage, Ischemic Stroke, Stage IV Lung Cancer AJCC v8 | 42 |
| Children's Hospital of Los Angeles | Acute Lymphoblastic Leukemia, Cystic Fibrosis, Von Willebrand Disease (VWD) | 35 |
| Valkyrie Clinical Trials | Multiple Myeloma, Non-Small Cell Lung Cancer, Breast Cancer | 33 |
| Ronald Reagan UCLA Medical Center | Ischemic Stroke, Esophageal Adenocarcinoma, Esophageal Squamous Cell Carcinoma | 25 |
| UCLA Medical Center | Colorectal Cancer, CRC, Cancer | 22 |
| USC/Norris Comprehensive Cancer Center | Breast Neoplasms, Bladder Cancer, Breast Cancer | 22 |
| Kaiser Permanente West Los Angeles | Breast Cancer, Adenocarcinoma of the Colon, Adenocarcinoma of the Rectum | 16 |
| GSK Investigational Site | Gastrointestinal Neoplasms, Non-alcoholic Fatty Liver Disease, Breast Neoplasms | 15 |
| START Los Angeles | Advanced Solid Tumors, Colorectal Cancer, Endometrial Cancer | 14 |
| Cedars Sinai | 1st Line NSCLC, Advanced Solid Tumor, Aortic Valve Disease Mixed | 13 |
| Keck Hospital of USC | Advanced Hepatocellular Carcinoma, Advanced or Metastatic Solid Tumors, Airway Disease | 13 |
| Keck Medicine of USC Koreatown | Advanced Esophageal Adenocarcinoma, Advanced Gastric Adenocarcinoma, Advanced Gastroesophageal Junction Adenocarcinoma | 13 |
| David Geffen School of Medicine at UCLA | Developmental and Epileptic Encephalopathy, Diffuse Large B-cell Lymphoma (DLBCL), Dravet Syndrome | 12 |
| Mattel Children's Hospital UCLA | Malignant Solid Neoplasm, Ganglioneuroblastoma, Nodular, Hematopoietic and Lymphatic System Neoplasm | 12 |
Recruiting trials in Los Angeles grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
There are approximately 1,968 recruiting clinical trials in Los Angeles, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Most recruiting trials in Los Angeles compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
The most common conditions under active study in Los Angeles include Breast Cancer (38), Colorectal Cancer (31), Prostate Cancer (27), Ovarian Cancer (23), among many others. Browse the list above to explore every recruiting trial.
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Los Angeles on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Recruiting research sites in Los Angeles include Cedars-Sinai Medical Center, Children's Hospital Los Angeles, University of California, Los Angeles, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
The largest active categories in Los Angeles are Cancer & tumors (637), Neurology & pain (111), Cardiovascular (96). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.