The city of Los Angeles, California, currently has 14 active clinical trials seeking participants for COVID19 research studies.
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
Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research
Recruiting
The unhide® Project is a non-interventional, longitudinal research study designed to establish a secure data repository of demographic, health, and lifestyle information from individuals with brain inflammation and related neuroinflammatory conditions. Participants in the United States aged 2 years and older will provide self-reported health data, biometrics, and symptom diaries through the MyDataHelps™ app (branded as unhide® for this study). The goal is to create comprehensive longitudinal pro... Read More
Gender:
ALL
Ages:
2 years and above
Trial Updated:
08/18/2025
Locations: Brain Inflammation Collaborative, Delafield, Wisconsin
Conditions: ME/CFS, Post-Acute COVID-19 Syndrome, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Bipolar Disorder (BPD), Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Major Depression, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease
Recruiting
The purpose of the study is to evaluate whether ibuzatrelvir is effective and safe in adults and adolescents with COVID-19 who do not need to be in the hospital but who are at high risk for progression to severe disease. Eligible participants will be randomly assigned (by chance) to receive ibuzatrelvir or matching placebo orally for 5 days. Co-administration of locally available standard of care is allowed. The total duration of the study is around 6 months.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
08/13/2025
Locations: Downtown L.A. Research Center, Inc., Los Angeles, California
Conditions: COVID-19 SARS-CoV-2 Infection
A Phase 1/2A, Randomized Study of a T Follicular Helper (TFH)-Targeting Genetic Vaccine Strategy Designed to Induce Broad, Durable Immune Responses
Recruiting
The goal of this clinical trial is to test two investigational COVID-19 booster vaccines, called CoTend-s3BXBB and CoTend-BXBB, in healthy volunteers ages 40-64. The CoTend-s3BXBB vaccine includes a component called "s3", which was designed to improve the body's response to the vaccine. CoTend-BXBB is the same vaccine without s3. The main questions the study aims to answer are: 1) Is the investigational vaccine safe? 2) Does "s3" lead to bigger, broader, and longer-lasting responses to the vacc... Read More
Gender:
ALL
Ages:
Between 40 years and 64 years
Trial Updated:
08/13/2025
Locations: UCLA Westwood, Los Angeles, California
Conditions: COVID-19
A Pilot rTMS Trial for Neuropsychiatric Symptoms of Long-COVID
Recruiting
This is a pilot randomized trial of rTMS for symptoms of fatigue and brain fog, and other neuropsychiatric symptoms of Long-COVID (Post-COVID, post-acute sequelae of COVID-19 infection, PASC). Twenty participants diagnosed with Long-COVID and recruited from the UCLA Long-COVID clinic will be randomized to receive active rTMS versus sham stimulation for 15 treatments followed by another 15 open-label rTMS treatments. Investigators will compare the safety and tolerability of rTMS vs Sham and exami... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/31/2025
Locations: UCLA Semel Institute, Los Angeles, California
Conditions: Long Covid-19, PASC Post Acute Sequelae of COVID 19, Brain Fog, Fatigue
COVID-19 Vaccines International Pregnancy Exposure Registry
Recruiting
The objective of the COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER) is to evaluate obstetric, neonatal, and infant outcomes among women vaccinated during pregnancy with a COVID-19 vaccine. Specifically, the C-VIPER will estimate the risk of obstetric outcomes (spontaneous abortion, antenatal bleeding, gestational diabetes, gestational hypertension, intrauterine growth restriction, postpartum hemorrhage, fetal distress, uterine rupture, placenta previa, chorioamnionitis, C... Read More
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/28/2025
Locations: Pregistry, Los Angeles, California
Conditions: Covid19
COVID-19 International Drug Pregnancy Registry
Recruiting
The objective of the COVID-19 International Drug Pregnancy Registry (COVID-PR) is to evaluate obstetric, neonatal, and infant outcomes among women treated with monoclonal antibodies or antiviral drugs indicated for mild, moderate, or severe COVID-19 from the first day of the last menstrual period (LMP) to end of pregnancy. For monoclonal antibodies, the exposure period also includes 90 days prior to the first day of the LMP.
Gender:
FEMALE
Ages:
Between 18 years and 50 years
Trial Updated:
07/28/2025
Locations: Pregistry, Los Angeles, California
Conditions: Covid19
EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe Disease
Recruiting
The purpose of this clinical trial is to learn about the safety, pharmacokinetics (pharmacokinetics helps us understand how the drug is changed and eliminated from your body after you take it), and efficacy (how well a study treatment works in the study) of the study medicine (called nirmatrelvir/ritonavir) for potential treatment of coronavirus disease 2019 (COVID-19). The study medicine will be given to patients under 18 years of age with COVID-19 that are not hospitalized but are at risk for... Read More
Gender:
ALL
Ages:
Between 0 years and 17 years
Trial Updated:
07/16/2025
Locations: Children's Hospital Los Angeles, Los Angeles, California +3 locations
Conditions: COVID-19
A Study to Evaluate VXA-CoV2-3.3 COVID-19 Vaccine Against Currently Approved/Authorized mRNA COVID-19 Injectable Booster Vaccine in Adults Previously Immunized Against COVID-19 Infection
Recruiting
The primary objective of the study is to determine the relative efficacy of the investigational oral severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) vaccine tablet VXA-CoV2-3.3 compared to a currently recommended vaccine for the prevention of symptomatic Coronavirus Disease 2019 (COVID-19). In order to represent a more recently circulating SARS-CoV-2 variant, the main study endpoints will now evaluate the VXA-CoV2-3.3 (KP.2 strain) vaccine, and not the VXA-CoV2-3.1 (XBB.1.5 strain)... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/03/2025
Locations: Velocity Clinical Research (National Research Institute) - Panorama City, Los Angeles, California
Conditions: SARS-CoV2, COVID-19
Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
Recruiting
The study investigators are interested in learning more about how drugs, that are given to children by their health care provider, act in the bodies of children and young adults in hopes to find the most safe and effective dose for children. The primary objective of this study is to evaluate the PK of understudied drugs currently being administered to children per SOC as prescribed by their treating provider.
Gender:
ALL
Ages:
Between 0 years and 20 years
Trial Updated:
03/11/2025
Locations: University of California, Los Angeles Medical Center, Los Angeles, California
Conditions: Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Hemophilia, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Phase III DAS181 Lower Tract PIV Infection in Immunocompromised Subjects (Substudy: DAS181 for COVID-19): RCT Study
Recruiting
This study will seek to enroll immunocompromised patients with Lower Tract parainfluenza infection. It also contains a sub-study to enroll patients with severe COVID-19.
Gender:
ALL
Ages:
All
Trial Updated:
11/18/2024
Locations: UCLA, Los Angeles, California
Conditions: Lower Respiratory Tract Infection, Parainfluenza, Immunocompromised, COVID-19
A Study to Learn About Variant-Adapted COVID-19 RNA Vaccine Candidate(s) in Healthy Children
Recruiting
The purpose of this clinical trial is to learn about the safety, extent of the side effects, and immune responses of the study vaccine (called variant-adapted BNT162b2 RNA-based vaccine) in healthy children. The trial is divided into 5 individual studies or substudies based on age group and prior history of COVID-19 vaccinations. All participants in each of the 5 sub-studies will receive study vaccine as a shot depending on what group they are in. * Substudy A design: Phase 1 includes participa... Read More
Gender:
ALL
Ages:
Between 6 months and 11 years
Trial Updated:
05/13/2024
Locations: Kaiser Permanente, Los Angeles, California
Conditions: SARS-CoV-2 Virus, Severe Acute Respiratory Syndrome Coronavirus 2, COVID-19