Independent directory Public ClinicalTrials.gov records United States
Location Directory

Clinical trials in Los Angeles, California

This page shows live ClinicalTrials.gov search results for Los Angeles, California, with direct links to official study records plus on-page filtering and sorting for broad location searches.

ClinicalTrials.gov public records Last synced Nov 1, 2026, 2:08 PM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official matching trials
4629
Shown on this page
12
Local exact-city summaries
3549
Based on exact city/state matches in the local index.
Local exact-city recruiting
1835
Live official results below use the broader ClinicalTrials.gov location search.

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

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These controls apply only within Los Angeles, California. Default order is Recently updated. Use recruitment status if you want to focus on actively recruiting studies in this location.

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Showing 1–12 of 4,629 matching trials in Los Angeles, CA.
Live ClinicalTrials.gov results.
The summary panels count exact city/state matches in the stored directory for Los Angeles, CA. The trial list uses ClinicalTrials.gov location matching when live results are available, which can differ from those local counts. No distance radius is applied; check each official record for its listed facilities. During an upstream outage, the list may use the clearly labeled local fallback.

Institutions in Los Angeles

Campus pages list official records that name the campus as a study site. Listed in directory order, not ranked.

Live official records

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Conditions
Heart Failure, Left Ventricular Systolic Dysfunction
Interventions
Vericiguat tablet, Vericiguat suspension, Placebo tablet, Placebo suspension
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
29 Days to 17 Years
Enrollment
342 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Los Angeles, California • Palo Alto, California • San Bernardino, California + 17 more
Conditions
Cytomegalovirus Prophylaxis
Interventions
Letermovir
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
Up to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
22
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 18 more
Conditions
Essential Thrombocythemia
Interventions
INCA033989, Best Available Treatment
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
43
States / cities
Birmingham, Alabama • Gilbert, Arizona • Duarte, California + 36 more
Conditions
Advanced Cervical Adenocarcinoma, Advanced Cervical Adenosquamous Carcinoma, Advanced Cervical Squamous Cell Carcinoma, Advanced Vaginal Adenocarcinoma, Advanced Vaginal Adenosquamous Carcinoma, Advanced Vaginal Squamous Cell Carcinoma, Stage IB2 Cervical Cancer AJCC v6 and v7, Stage II Cervical Cancer AJCC v7, Stage II Vaginal Cancer AJCC v6 and v7, Stage III Vaginal Cancer AJCC v6 and v7, Stage IIIB Cervical Cancer AJCC v6 and v7, Stage IVA Cervical Cancer AJCC v6 and v7, Stage IVA Vaginal Cancer AJCC v6 and v7
Interventions
Biospecimen Collection, Brachytherapy, Cisplatin, Computed Tomography, External Beam Radiation Therapy, Fludeoxyglucose F-18, High-Dose Rate Brachytherapy, Intensity-Modulated Radiation Therapy, Magnetic Resonance Imaging, Pharmacological Study, Positron Emission Tomography, Triapine
Procedure · Radiation · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
17
States / cities
Birmingham, Alabama • Los Angeles, California • Pasadena, California + 13 more
Conditions
Recurrent Langerhans Cell Histiocytosis, Refractory Langerhans Cell Histiocytosis
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Echocardiography Test, FDG-Positron Emission Tomography and Computed Tomography Scan, Lumbar Puncture, Multigated Acquisition Scan, Tovorafenib
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
180 Days to 22 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
108
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Downey, California + 85 more
Conditions
Clostridoides Difficile Associated Disease
Interventions
C.difficile vaccine, Saline Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
32,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
142
States / cities
Athens, Alabama • Guntersville, Alabama • Huntsville, Alabama + 90 more
Conditions
Bladder Adenocarcinoma, Bladder Clear Cell Adenocarcinoma, Bladder Mixed Adenocarcinoma, Bladder Neuroendocrine Carcinoma, Bladder Small Cell Neuroendocrine Carcinoma, Bladder Squamous Cell Carcinoma, Chromophobe Renal Cell Carcinoma, Collecting Duct Carcinoma, Invasive Bladder Giant Cell Urothelial Carcinoma, Invasive Bladder Lymphoepithelioma-Like Carcinoma, Invasive Bladder Nested Urothelial Carcinoma, Invasive Bladder Plasmacytoid Urothelial Carcinoma, Invasive Bladder Sarcomatoid Urothelial Carcinoma, Invasive Bladder Urothelial Carcinoma, Kidney Medullary Carcinoma, Large Cell Neuroendocrine Carcinoma, Malignant Testicular Leydig Cell Tumor, Malignant Testicular Sertoli Cell Tumor, Metastatic Bladder Carcinoma, Metastatic Bladder Clear Cell (Glycogen-Rich) Urothelial Carcinoma, Metastatic Bladder Giant Cell Urothelial Carcinoma, Metastatic Bladder Large Cell Neuroendocrine Carcinoma, Metastatic Bladder Lipid-Rich Urothelial Carcinoma, Metastatic Bladder Micropapillary Urothelial Carcinoma, Metastatic Bladder Plasmacytoid Urothelial Carcinoma, Metastatic Bladder Sarcomatoid Urothelial Carcinoma, Metastatic Bladder Small Cell Neuroendocrine Carcinoma, Metastatic Bladder Squamous Cell Carcinoma, Metastatic Chromophobe Renal Cell Carcinoma, Metastatic Kidney Medullary Carcinoma, Metastatic Malignant Genitourinary System Neoplasm, Metastatic Papillary Renal Cell Carcinoma, Metastatic Penile Carcinoma, Metastatic Prostate Small Cell Neuroendocrine Carcinoma, Metastatic Sarcomatoid Renal Cell Carcinoma, Metastatic Urethral Carcinoma, Papillary Renal Cell Carcinoma, Sarcomatoid Renal Cell Carcinoma, Stage IV Bladder Cancer AJCC v8, Stage IV Penile Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v8, Stage IV Urethral Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8, Urachal Adenocarcinoma, Urethral Clear Cell Adenocarcinoma
Interventions
Biospecimen Collection, Bone Scan, Cabozantinib S-malate, Computed Tomography, Echocardiography Test, Ipilimumab, Magnetic Resonance Imaging, Nivolumab, Positron Emission Tomography
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
581
States / cities
Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 376 more
Conditions
Advanced Malignant Solid Neoplasm, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Malignant Solid Neoplasm, Malignant Female Reproductive System Neoplasm, Metastatic HER2-Negative Breast Carcinoma, Metastatic Malignant Solid Neoplasm, Recurrent Endometrial Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Malignant Female Reproductive System Neoplasm, Recurrent Malignant Solid Neoplasm, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma, Unresectable HER2-Negative Breast Carcinoma, Unresectable Malignant Solid Neoplasm
Interventions
Alpelisib, Binimetinib, Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Bone Scan, Computed Tomography, Echocardiography Test, Fluorouracil, Fulvestrant, Ipatasertib, Leucovorin, Magnetic Resonance Imaging, Multigated Acquisition Scan, Mutation Carrier Screening, Neratinib Maleate, Nilotinib Hydrochloride Monohydrate, Olaparib, Oxaliplatin, Paclitaxel, Palbociclib, Panitumumab, Positron Emission Tomography, Selumetinib Sulfate, Sotorasib
Drug · Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
2,900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
480
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 355 more
Conditions
Metastatic Castrate Resistant Prostate Cancer (mCRPC)
Interventions
PF-06821497, Docetaxel, Enzalutamide
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Male only
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
70
States / cities
Homewood, Alabama • Chandler, Arizona • Gilbert, Arizona + 49 more
Conditions
Progressive Glioblastoma, Recurrent Glioblastoma
Interventions
Biopsy Procedure, Biospecimen Collection, Lomustine, Magnetic Resonance Imaging, Nivolumab, Relatlimab, Surgical Procedure
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
325
States / cities
Jonesboro, Arkansas • Auburn, California • Duarte, California + 252 more
Conditions
Parkinson Disease, Parkinson, Idiopathic Parkinson Disease, Early Parkinson Disease (Early PD), Parkinson Disease, Idiopathic
Interventions
NEU-411, Placebo
Drug · Other
Lead sponsor
Neuron23 Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
45
States / cities
Sun City, Arizona • Little Rock, Arkansas • Fresno, California + 40 more
Conditions
Clostridium Difficile, Clostridium Difficile Infections, Clostridium Difficile Infection Recurrence, Clostridioides Difficile Infection, Clostridioides Difficile Infection Recurrence, CDI, C. Diff Infection, Recurrent Clostridium Difficile Infection, C.Difficile Diarrhea, Diarrhea Infectious
Interventions
VE303, Placebo
Biological
Lead sponsor
Vedanta Biosciences, Inc.
Industry
Eligibility
12 Years and older
Enrollment
852 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
84
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 73 more