Cataract Clinical Trials in Los Angeles, CA

Los Angeles, California hosts paid clinical trials for Cataract when studies are open for enrollment. 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: .

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Newly added in Los Angeles

Posted to ClinicalTrials.gov within the last 60 days — these studies are just starting to recruit.

1 clinical trial for Cataract

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Top Research Study Locations in Los Angeles

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.

SiteSpecializes inActive trials
Cedars-Sinai Medical CenterAcute Myeloid Leukemia, Breast Cancer, Heart Failure226
Children's Hospital Los AngelesNeuroblastoma, Acute Myeloid Leukemia, Anesthesia133
University of California, Los AngelesAlzheimer Disease, Depression, Focal Epilepsy111
University of Southern CaliforniaAcute Pancreatitis, Breast Cancer, Cervical Cancer92
UCLA / Jonsson Comprehensive Cancer CenterProstate Carcinoma, Glioblastoma, Stage II Prostate Cancer AJCC v869
Cedars Sinai Medical CenterAnxiety, Crohn's Disease, Heart Failure68
University of California Los AngelesParkinson Disease, Bladder Cancer, Breast Cancer66
USC / Norris Comprehensive Cancer CenterMalignant Solid Neoplasm, Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v864
UCLABladder Cancer, Colorectal Cancer, Type2diabetes53
Los Angeles General Medical CenterAdvanced Esophageal Adenocarcinoma, Advanced Gastric Adenocarcinoma, Advanced Gastroesophageal Junction Adenocarcinoma52
USC Norris Comprehensive Cancer CenterColorectal Cancer, Endometrial Cancer, NSCLC52
Kaiser Permanente Los Angeles Medical CenterAnatomic Stage IV Breast Cancer AJCC v8, Intracerebral Hemorrhage, Ischemic Stroke43
Children's Hospital of Los AngelesAcute Lymphoblastic Leukemia, Cystic Fibrosis, Von Willebrand Disease (VWD)35
Valkyrie Clinical TrialsMultiple Myeloma, Breast Cancer, Breast Neoplasms34
Ronald Reagan UCLA Medical CenterIschemic Stroke, Esophageal Adenocarcinoma, Esophageal Squamous Cell Carcinoma25
USC/Norris Comprehensive Cancer CenterBreast Neoplasms, Bladder Cancer, Breast Cancer21
UCLA Medical CenterColorectal Cancer, CRC, Cancer20
Kaiser Permanente West Los AngelesAnatomic Stage IV Breast Cancer AJCC v8, Breast Cancer, Adenocarcinoma of the Colon17
GSK Investigational SiteGastrointestinal Neoplasms, Non-alcoholic Fatty Liver Disease, Breast Neoplasms13
Keck Hospital of USCAdvanced Hepatocellular Carcinoma, Advanced or Metastatic Solid Tumors, Airway Disease13
Keck Medicine of USC KoreatownAdvanced Esophageal Adenocarcinoma, Advanced Gastric Adenocarcinoma, Advanced Gastroesophageal Junction Adenocarcinoma13
University of California at Los AngelesASD, Advanced Tumors, Alzheimer's Disease13
Cedars Sinai1st Line NSCLC, Advanced Solid Tumor, Aortic Valve Disease Mixed12
David Geffen School of Medicine at UCLADevelopmental and Epileptic Encephalopathy, Diffuse Large B-cell Lymphoma (DLBCL), Dravet Syndrome12
Mattel Children's Hospital UCLAMalignant Solid Neoplasm, Ganglioneuroblastoma, Nodular, Hematopoietic and Lymphatic System Neoplasm12

Active & Upcoming Studies in Los Angeles (2026)

Recruiting trials in Los Angeles grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.

Neurology & pain (115 active studies)

Mental health & behavior (64 active studies)

Diabetes & metabolic (62 active studies)

Common conditions studied in Los Angeles

Leading research sponsors in Los Angeles

  • University of California, Los Angeles
  • University of Southern California
  • Cedars-Sinai Medical Center
  • Jonsson Comprehensive Cancer Center
  • National Cancer Institute (NCI)

Frequently asked questions

How many paid clinical trials are currently recruiting in Los Angeles?

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.

Do clinical trials in Los Angeles pay participants?

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.

Who can participate in a clinical trial in Los Angeles?

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.

What conditions are most commonly studied in Los Angeles?

The most common conditions under active study in Los Angeles include Breast Cancer (42), Colorectal Cancer (31), Prostate Cancer (27), Cancer (22), among many others. Browse the list above to explore every recruiting trial.

Are there clinical trials for healthy volunteers in Los Angeles?

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.

How do I enroll in a clinical trial in Los Angeles?

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.

Where can I take part in paid clinical trials in Los Angeles?

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.

What kinds of studies are recruiting in Los Angeles right now?

The largest active categories in Los Angeles are Cancer & tumors (635), Neurology & pain (115), Cardiovascular (90). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.

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Related healthcare resources in California

Trials by condition in Los Angeles