There are currently 1889 clinical trials in Los Angeles, California looking for participants to engage in research studies. Trials are conducted at various facilities, including Cedars-Sinai Medical Center, USC / Norris Comprehensive Cancer Center, Childrens Hospitla Los Angeles and University of California Los Angeles. Whether you're a healthy volunteer looking to participate in paid medical research or seeking trials related to a specific condition, the city provides a diverse range of opportunities near you.
A Study of BGB-16673 Compared to Investigator's Choice in Participants With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma Previously Exposed to Both Bruton Tyrosine Kinase (BTK) and B-cell Leukemia/Lymphoma 2 Protein (BCL2) Inhibitors
Recruiting
The purpose of this study is to investigate the efficacy and safety of BGB-16673 compared with investigator's choice (idelalisib plus rituximab \[for CLL only\] or bendamustine plus rituximab or venetoclax plus rituximab retreatment) in participants with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) previously exposed to both BTK inhibitors (BTKi) and BCL2 inhibitors (BCL2i).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: UCLA Department of Medicine Hematologyoncology, Los Angeles, California
Conditions: CLL, Chronic Lymphocytic Leukemia
A Study to Compare the Efficacy of Nivolumab and Relatlimab Plus Chemotherapy vs Pembrolizumab Plus Chemotherapy for Stage IV/Recurrent Non-squamous Non-small Cell Lung Cancer With PD-L1 Expression ≥ 1%
Recruiting
The purpose of this study is to compare the efficacy of Nivolumab and Relatlimab in combination with chemotherapy to Pembrolizumab with Chemotherapy in participants with stage IV or recurrent Non-squamous Non-small Cell Lung Cancer with PD-L1 expression ≥ 1%
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: Local Institution - 0112, Los Angeles, California
Conditions: Non-small Cell Lung Cancer
A Study to Evaluate Efficacy and Safety of an Investigational Drug Named Volixibat in Patients With Itching Caused by Primary Sclerosing Cholangitis (PSC)
Recruiting
The purpose of this clinical research study is to learn more about the use of the study medicine, volixibat, for the treatment of pruritus (itching) associated with Primary Sclerosing Cholangitis (PSC), and to assess the possible impact on the disease progression of PSC.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/19/2025
Locations: Cedars Sinai Medical Center, Los Angeles, California
Conditions: Primary Sclerosing Cholangitis
Efficacy, Safety, and Tolerability of Two Administrations of COMP360 in Participants With TRD
Recruiting
Efficacy, Safety, and Tolerability of two administrations of COMP360 in participants with treatment-resistant depression (TRD)
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/19/2025
Locations: CalNeuro Research Group, Inc, Los Angeles, California
Conditions: Treatment Resistant Depression
Strategies and Treatments for Respiratory Infections & Viral Emergencies (STRIVE): Shionogi Protease Inhibitor (Ensitrelvir)
Recruiting
Treatments are needed to improve outcomes among patients hospitalized for COVID-19, including direct-acting antiviral (DAA) agents to mitigate the pathology driven by ongoing viral replication. This trial will evaluate S-217622 (ensitrelvir), an anti-SARS-CoV2 3C-like protease inhibitor (PI) developed by Shionogi \&; Co. Ltd. The study design is a randomized, placebo-controlled, multi-center international clinical trial that will evaluate the clinical efficacy of ensitrelvir when given in addit... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Cedars-Sinai Medical Center (Site 208-002), Los Angeles, California +1 locations
Conditions: COVID-19
A Trial to Evaluate Intravesical Nadofaragene Firadenovec Alone or in Combination With Chemotherapy or Immunotherapy in Participants With High-grade BCG Unresponsive Non-muscle Invasive Bladder Cancer
Recruiting
The pivotal phase 3 trial (rAd-IFN-CS 003) evaluating the efficacy of nadofaragene firadenovec showed that 55 (53.4%) of 103 subjects with CIS ± high-grade Ta/T1 achieved a complete response (CR) at 3 months. In this trial, the safety and efficacy of intravesical instillation of nadofaragene firadenovec alone or in combination with chemotherapy or immunotherapy will be evaluated in participants with NMIBC CIS (± high-grade Ta/T1).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: American Institute of Research, Los Angeles, California
Conditions: Non-muscle Invasive Bladder Cancer With Carcinoma in Situ
ELEMENT-MDS: A Study to Compare the Efficacy and Safety of Luspatercept in Participants With Myelodysplastic Syndrome (MDS) and Anemia Not Receiving Blood Transfusions
Recruiting
The purpose of the study is to compare the efficacy and safety of Luspatercept vs epoetin alfa in the treatment of anemia in adults due to IPSS-R very low, low, intermediate-risk MDS in ESA-naïve participants who are non-transfusion dependent (NTD).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: UCLA Hematology/Oncology - Westwood (Building 200 Suite 120), Los Angeles, California
Conditions: Myelodysplastic Syndromes
DECIDE: A Comparative Effectiveness Trial of Metformin Versus Insulin for the Treatment of Gestational Diabetes
Recruiting
This is a non-inferiority patient-centered and pragmatic comparative-effectiveness pregnancy randomized controlled trial (RCT) with postpartum maternal and child follow-up through 2 years of 1,572 individuals with gestational diabetes mellitus (GDM) randomized to oral metformin versus injectable insulin. This study will determine if metformin is not inferior to insulin in reducing adverse pregnancy outcomes, is comparably safe for exposed individuals and children, and if patient-reported factor... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Cedars Sinai Medical Center, Los Angeles, California
Conditions: Gestational Diabetes Mellitus, Pregnancy, High Risk
Strategy for Improving Stroke Treatment Response
Recruiting
SISTER is a Phase-II, prospective, randomized, placebo-controlled, blinded, dose finding trial that aims to determine the safety and preliminary efficacy of TS23, a monoclonal antibody against the alpha-2 antiplasmin (a2-AP), in acute ischemic stroke.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Kaiser Permanente Los Angeles, Los Angeles, California
Conditions: Ischemic Stroke
A Study Evaluating Efruxifermin in Subjects With Non-Cirrhotic Nonalcoholic Steatohepatitis (NASH)/Metabolic Dysfunction-Associated Steatohepatitis (MASH) and Fibrosis
Recruiting
This is a multi-center evaluation of efruxifermin (EFX) in a randomized, double-blind, placebo-controlled study in subjects with non-cirrhotic NASH/MASH and fibrosis stage 2 or 3 (F2 or F3). The study will enroll subjects in two cohorts for a total samples size of 1650 subjects.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
08/18/2025
Locations: Akero Clinical Study Site, Los Angeles, California +1 locations
Conditions: NASH With Fibrosis, MASH With Fibrosis
Phase 3 Study of T-DXd and Rilvegostomig Versus SoC in Advanced HER2-expressing Biliary Tract Cancer
Recruiting
The purpose of this study is to measure the efficacy and safety of T-DXd with rilvegostomig or T-DXd monotherapy compared with gemcitabine plus cisplatin and durvalumab in patients with advanced treatment naïve HER2-expressing BTC.
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
08/18/2025
Locations: Research Site, Los Angeles, California +1 locations
Conditions: Biliary Tract Cancer
A Study to Test the Efficacy and Safety of Riliprubart Against the Usual Treatment of Intravenous Immunoglobulin (IVIg) in People With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Recruiting
The purpose of the study is to evaluate efficacy of riliprubart compared to IVIg in adult participants with CIDP who are receiving maintenance treatment with IVIg. The study duration will be for a maximum of 109 weeks including screening, treatment phases, and follow-up.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/18/2025
Locations: Keck School of Medicine of University of Southern California- Site Number : 8400002, Los Angeles, California
Conditions: Chronic Inflammatory Demyelinating Polyneuropathy