California is currently home to 5602 active clinical trials, seeking participants for engagement in research studies. These trials take place at a variety of cities in the state, including Los Angeles, San Francisco, San Diego and Sacramento. Whether you're a healthy volunteer interested in paid medical research or someone seeking trials related to a specific condition, the state offers a diverse array of opportunities in your vicinity.
Health Questionnaire Study
Recruiting
We want to explore if emphasizing certain instructions (i.e. "bothered by") will affect the way participants respond to a questionnaire.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/30/2025
Locations: University of California - Irvine, Orange, California
Conditions: Anxiety Disorder (Panic Disorder or GAD), Depression - Major Depressive Disorder
Pregnancy Registry, Infants, Serum/Milk Analysis (PRISMA)
Recruiting
PRISMA, is a pregnancy registry study, focused on comprehensively collecting information about pregnancy in women with chronic neurological conditions from across the United States and internationally. Depending on their specific condition (MS, CIS, NMOSD, or other) and their specific treatment, participants will be asked to contribute to different aspects of the study. (1) The biosamples will be blood, breast milk, infant stool, maternal stool and vaginal swab samples, collected at specific ti... Read More
Gender:
FEMALE
Ages:
Between 18 years and 64 years
Trial Updated:
04/30/2025
Locations: University of California-San Francisco, San Francisco, California
Conditions: Multiple Sclerosis, Clinically Isolated Syndrome, NMOSD, Myasthenia Gravis
Suramin for the Treatment of Autism Trial: KZ101 in a Male Pediatric Population With Autism Spectrum Disorder (ASD)
Recruiting
Suramin has been found to correct the symptoms, metabolism, and brain synaptic abnormalities in two classical genetic and environmental mouse models of autism. A preliminary clinical trial (SAT-1) examined the safety and activity of a single low-dose of suramin in children with ASD and concluded suramin showed promise as a novel approach to treatment of ASD. The current study, STAT-2A, will be a randomized, double-blind, crossover, 30-week study to evaluate the preliminary proof of concept, safe... Read More
Gender:
MALE
Ages:
Between 5 years and 14 years
Trial Updated:
04/30/2025
Locations: Children's Hospital Orange County, Thompson Autism and Neurodevelopmental Center, Orange, California
Conditions: Autism Spectrum Disorder (ASD)
Family Foundations for Individuals Pregnant Via ART
Recruiting
The purpose of this study is to help expectant single mothers build a coparenting bond and improve communication with a support person (co-caregiver). Participation will include completing two online surveys (one at 12-30 weeks gestation \& one at 3 months postpartum), providing two at-home bloodspot collections and return via mail. Studies suggest that stress increases inflammation. Investigators aim to explore this by collecting a small amount of blood at the first and last session; attending... Read More
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
04/30/2025
Locations: Cedars Sinai Medical Center, Los Angeles, California
Conditions: Assisted Reproductive Technology
A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 in Healthy Infants
Recruiting
The objective of the study is to evaluate the safety, tolerability, and immunogenicity of 4 injections of VAX-31 (at 3 dose levels) compared to PCV20 in infants at 2, 4, 6, and 12-15 months of age, in addition to receiving routine US concomitant vaccines. Stage 1 of the study will comprise 3 dose ascending cohorts. Stage 2 of the study will enroll the remainder of the sample size.
Gender:
ALL
Ages:
Between 42 days and 89 days
Trial Updated:
04/30/2025
Locations: Orange County Research Institute, Ontario, California
Conditions: Pneumococcal Vaccines
A First-in-human Study of KK8123 in Adults With X-linked Hypophosphatemia
Recruiting
A first-in-human study of KK8123 in adults with X-linked hypophosphatemia.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
04/30/2025
Locations: University of California - San Francisco, San Francisco, California
Conditions: X-linked Hypophosphatemia
AltaValve Pivotal Trial
Recruiting
This is a prospective, single arm, multicenter, clinical trial designed to evaluate the safety and performance of the AltaValve System for the treatment of mitral regurgitation in a targeted patient population.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/30/2025
Locations: Sutter Bay Hospitals, San Francisco, California
Conditions: Mitral Regurgitation, Mitral Insufficiency, Mitral Valve Incompetence, Mitral Valve Regurgitation, Mitral Incompetence
CM for Patients With ALD After Liver Transplant
Recruiting
Alcohol associated liver disease (ALD) refers to liver injury, such as cirrhosis, that is caused by alcohol use. It affects 2 million adults in the U.S. and is now the leading cause of cirrhosis-related hospitalizations, cirrhosis- related deaths, and liver transplantation. Alcohol use disorder (AUD), the root cause of ALD, affects 15 million Americans each year. While research studies have shown that behavioral therapy and medications specific for alcohol use have helped people overcome their a... Read More
Gender:
ALL
Ages:
Between 18 years and 99 years
Trial Updated:
04/30/2025
Locations: Pfleger Liver Institute, Los Angeles, California
Conditions: Alcohol Use Disorder, Alcohol; Liver, Post Liver Transplant, Contingency Management, Alcohol Liver Disease
Study to Investigate the Safety, Tolerability, Pharmacokinetics, Pharmocodynamics and Preliminary Antitumor Activity of AT-1965 in Patients With Advanced, Refractory or Recurrent Solid Tumors
Recruiting
This is a first-in-human, multicenter, open-label, dose escalation and dose expansion Phase 1/2 study to determine the MTD and/or the recommended Phase 2 dose (RP2D) and to characterize DLTs of AT-1965 as well as to investigate the safety, pharmacokinetics (PK), pharmacodynamics, and preliminary antitumor activity of AT-1965 in patients with advanced, refractory or recurrent solid tumors (nonresectable and/or metastatic) including mTNBC.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
04/30/2025
Locations: CBCC Global Research Site 005, Bakersfield, California
Conditions: Solid Tumor
A Study on the Safety of TAK-279 and Whether it Can Reduce Inflammation in the Bowel of Participants With Moderately to Severely Active Crohn's Disease
Recruiting
Crohn's disease (CD) is a long-lasting condition causing inflammation that can affect any part of the gut. The purpose of this study is to evaluate the efficacy and safety of TAK-279 versus placebo in participants with moderately to severely active Crohn's disease (CD). The main aim of this study is to learn if the 3 different doses of TAK-279 reduce bowel inflammation and ulcers in the bowel compared to the placebo after 12 weeks of treatment. Another aim is to compare any medical problems that... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
04/30/2025
Locations: GastroIntestinal BioSciences, Los Angeles, California
Conditions: Crohn's Disease
Treating Pulmonary Embolism With Laguna Thrombectomy System (TRUST)
Recruiting
This is a prospective, multi-center, pivotal study to demonstrate the safety and effectiveness of the Laguna Thrombectomy System for the treatment of pulmonary embolism. The Laguna Thrombectomy System is an investigational device which consists of the Laguna Clot Retriever™ System and the Malibu Aspiration Catheter™ System. These devices are manufactured by Innova Vascular, Inc.
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
04/30/2025
Locations: University of California Irvine, Irvine, California
Conditions: Pulmonary Embolism
The Pediatric Lupus Nephritis Mycophenolate Mofetil (PLUMM) Study
Recruiting
The study is a 1-year 2-part double-blinded placebo controlled 2-arm clinical trial. Treatment arms are (1) MMF dosed as per body-surface area (MMFBSA; 600mg/m2 body surface area per dose about every 12 hours) and (2) pharmacokinetically-guided precision-dosing of MMF (MMFPK; MMF dosed twice daily to achieve an area under the concentration-time curve (AUC0-12h) of MPA \>60-70 mg\*h/L. The study goal is to determine the safety and efficacy of MMFPK compared to MMFBSA for the treatment of prolifer... Read More
Gender:
ALL
Ages:
Between 8 years and 20 years
Trial Updated:
04/30/2025
Locations: University of California, San Francisco, San Francisco, California
Conditions: Lupus Nephritis