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.
A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.
NCT06703606
Recruiting
The purpose of the study is to learn about safety, how the body processes marstacimab and how it works in patients with severe hemophilia A without inhibitors. Hemophilia A is rare bleeding disorder where the blood doesn't clot normally. This causes a person to bleed a lot, even from a small cut. These patients who are on emicizumab medicine for routine prophylaxis for at least 6 months, and desire to switch to marstacimab medicine. Inhibitors are antibodies that the immune system develops beca... Read More
Gender:
MALE
Ages:
Between 12 years and 74 years
Trial Updated:
08/11/2025
Locations: Orthopaedic Institute for Children, Los Angeles, California
Conditions: Severe Hemophilia A
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Phase III Study Investigating Heart Failure and Cardiovascular Death With Baxdrostat in Combination With Dapagliflozin
NCT06677060
Recruiting
Participants include men and women ≥ 40 years of age with T2DM, established CV disease, a history of HTN with an SBP of at least 130 mmHg at screening, who meet the predefined serum potassium level, and with at least one additional risk factor for HF. The study will include an optional pre-screening period to facilitate sites' identification of potentially eligible participants to enter the full screening assessments. Participants will not be required to visit the site and no informed consent i... Read More
Gender:
ALL
Ages:
40 years and above
Trial Updated:
08/11/2025
Locations: Research Site, Dublin, California
Conditions: Heart Failure
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Study to Evaluate Contraceptive Efficacy and Safety of a Progestin Only Patch in Women of Childbearing Potential
NCT06672016
Recruiting
The Sponsor is developing a progestin-only contraceptive transdermal system (patch). The main purpose of this study is to look at how safe the study patch is and how well it works in preventing pregnancy. The study will also look at how well the study patch is tolerated. The study patch is a transdermal system that contains the active ingredient, progestin.
Gender:
FEMALE
Ages:
16 years and above
Trial Updated:
08/11/2025
Locations: Velocity Clinical Research Santa Ana, Huntington Park, California
Conditions: Female Contraception
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Long-term Characterization of GORE® TAG® Conformable Thoracic Stent Graft With ACTIVE CONTROL System Performance
NCT06658730
Recruiting
An observational, prospective multi-regional post-market registry collecting mid- and long-term data to assess outcomes through ten years of follow-up for subjects treated with GORE® TAG® Conformable Thoracic Stent Graft with ACTIVE CONTROL System as a part of routine clinical practice. This post-market registry for the GORE® TAG® Conformable Thoracic Stent Graft with ACTIVE CONTROL System (CTAG w/AC) is intended to demonstrate that thoracic endovascular aortic repair (TEVAR) for lesions of the... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: Cedars-Sinai Medical Center, Los Angeles, California
Conditions: Vascular Disease, Dissection, Dissection Aortic Aneurysm, Dissection of Aorta, Aneurysm Thoracic, Aneurysm Dissecting, Transection Aorta, Intramural Hematoma
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A Phase 2, Baseline-Controlled Study Evaluating the Safety and Efficacy of PTX-022 (Sirolimus) Topical Gel 3.9% in the Treatment of Cutaneous Venous Malformations
NCT06653842
Recruiting
A Phase 2, Baseline-Controlled Study Evaluating the Safety and Efficacy of PTX022 (sirolimus) Topical Gel 3.9% in the Treatment of Cutaneous Venous Malformations
Gender:
ALL
Ages:
6 years and above
Trial Updated:
08/11/2025
Locations: Children's Hospital of Orange County, Irvine, California
Conditions: Cutaneous Venous Malformations
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A Study Evaluating the Safety and Efficacy of Glofitamab + Gemcitabine + Oxaliplatin in U.S. Patients With Relapsed or Refractory Diffuse Large B-Cell Lymphoma
NCT06624085
Recruiting
The purpose of the study is to evaluate glofitamab + gemcitabine + oxaliplatin in participants in the United States, including under-represented racial and ethnic populations, that have relapsed or refractory (R/R) diffuse large B-cell lymphoma (DLBCL).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: UC San Diego Moores Cancer Center, La Jolla, California
Conditions: Lymphoma
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A Study to Evaluate Vimseltinib in Adults With Active Chronic Graft-Versus-Host Disease (cGVHD)
NCT06619561
Recruiting
The purpose of this study is to determine if vimseltinib is safe, tolerable and works effectively to treat adults with active moderate to severe cGVHD. Participants will be treated with vimseltinib in 28-day treatment cycles for approximately 2 years.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
08/11/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Chronic Graft-Versus-Host Disease (cGVHD)
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Acute Vitamin D Supplementation on Testosterone in Females
NCT06610968
Recruiting
Participation will take place over two visits to the Clinical Exercise Research Center (CERC) at the University of Southern California Health Sciences Campus. On the first visit, height, weight, and body composition by bioelectrical impedance are recorded. Questionnaires and withdrawal of a sample of blood (1 tablespoon) are also completed. The intervention begins the day following the first visit. The intervention protocol consists of three weeks of consuming either a placebo capsule or a 5000... Read More
Gender:
FEMALE
Ages:
Between 18 years and 35 years
Trial Updated:
08/11/2025
Locations: University of Southern California Health Sciences Campus Center for Health Professions, Los Angeles, California
Conditions: Female Hormone Profile
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School-based Paraeducator Education for Engagement at Recess
NCT06559267
Recruiting
The purpose of the proposed three-site study is to test whether an educator-level implementation strategy, coaching, with or without a school-level implementation strategy, school-based teams, will maximize paraeducators' use (fidelity and sustainment) of an evidence-based social engagement intervention, Remaking Recess (RR). RR aims to improve peer related social skills for autistic students and their non-autistic peers who are socially isolated or peripheral and need support during recess.
Gender:
ALL
Ages:
5 years and above
Trial Updated:
08/11/2025
Locations: University of California Los Angeles, Los Angeles, California
Conditions: Autism Spectrum Disorder, Neurodevelopmental Disorders
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International CRDS Registry
NCT06508164
Recruiting
Calcium Release Deficiency Syndrome (CRDS) is a newly discovered genetic arrhythmia syndrome that confers a risk of life-threatening arrhythmias secondary to RYR2 loss-of-function. The International CRDS registry has been designed to facilitate large-scale evaluation of CRDS, including its phenotypic spectrum, approaches to risk stratification, and optimal treatment strategies.
Gender:
ALL
Ages:
All
Trial Updated:
08/11/2025
Locations: University of California, San Francisco, California
Conditions: Calcium Release Deficiency Syndrome
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Efficacy and Safety of Obefazimod in Subjects With Moderately to Severely Active Crohn's Disease
NCT06456593
Recruiting
This study has 3 treatment phases, a 12-Week Induction Phase, a 40-Week Maintenance Phase, and a 48-Week Extension Phase. The objective is to evaluate the efficacy and safety of obefazimod compared to placebo as induction and maintenance therapy in subjects with moderately to severely active CD after inadequate response (no response, loss of response, or intolerance) to conventional therapies and/or advanced therapies. The primary objective for the 48-Week Extension Phase is to evaluate the sa... Read More
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
08/11/2025
Locations: Hoag Hospital, Irvine, California
Conditions: Moderately to Severely Active Crohn Disease
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Platelet Rich Plasma Injections In Young And Old Human Subjects
NCT06451120
Recruiting
This is a randomized, double-blind, placebo-controlled phase 2 study with a secondary crossover phase at the end of the initial trial to ensure all subjects receive one PRP injection. The goal is to identify what proteins change in the blood following repeated intraarticular knee PRP injections in patients with knee osteoarthritis. The objective is to determine the protein changes resulting from a single autologous PRP injection (5 mL) in comparison to a normal saline control. About 60 subjects... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
08/11/2025
Locations: University of California, San Francisco, California
Conditions: Osteoarthritis, Articular Cartilage, Musculoskeletal Disorders
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