California is currently home to 5616 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.
Study of ABX-002 for the Adjunctive Treatment of Major Depressive Disorder (AMPLIFY)
NCT06633016
Recruiting
The goal of this clinical trial is to learn if ABX-002 added to an existing antidepressant treatment will benefit depression symptoms in adults with moderate to severe major depressive disorder who have had an inadequate response to their antidepressant. This is a double-blind, placebo-controlled, 2-arm, parallel-group, Phase 2 study, randomized 1:1 (ABX-002: placebo). The study will include the following stages: 1. Screening, approximately 35 days 2. 42-day Treatment Period 3. 2-week post do... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/17/2025
Locations: Autobahn Site #113, Encino, California
Conditions: Major Depressive Disorder
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Fasedienol Nasal Spray for the Acute Treatment of Anxiety in Adults With Social Anxiety Disorder (PALISADE-4)
NCT06615557
Recruiting
This U.S. Phase 3 clinical trial is designed to evaluate the efficacy, safety, and tolerability of the acute intranasal (i.n.) administration of Fasedienol Nasal Spray (fasedienol) (3.2 µg) to relieve symptoms of acute anxiety in adult subjects ages 18 through 65 with Social Anxiety Disorder induced by a public speaking challenge (PSC) in a clinical setting. In addition, safety and tolerability of i.n. administration of 3.2 µg of fasedienol, as-needed, up to 6 times per day for up to 12 months,... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/17/2025
Locations: Vistagen Clinical Site, Bellflower, California
Conditions: Social Anxiety Disorder (SAD)
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GATE-251 or Placebo for the Reduction of Symptoms of Major Depressive Disorder
NCT06547489
Recruiting
The goal of this clinical trial is to learn if GATE-251 works to treat depression in adults. It will also learn about the safety of GATE-251. The main questions it aims to answer are: Does GATE-251 reduce depression scores in participants compared to participants who take a placebo (a look-alike tablet that contains no GATE-251)? What medical problems are observed in participants who take GATE-251? Participants will take one tablet of GATE-251 or placebo every week for 6 weeks. Participants w... Read More
Gender:
ALL
Ages:
Between 18 years and 64 years
Trial Updated:
06/17/2025
Locations: Wr-Pri, Llc, Encino, California
Conditions: Major Depressive Disorder
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A Research Study Comparing How Well Different Doses of the Medicine NNC0487-0111 Lower Blood Sugar in People With Type 2 Diabetes
NCT06542874
Recruiting
The study will look at how well different doses of a new medicine called NNC0487-0111 help lower the blood sugar and body weight in people with type 2 diabetes. NNC0487-0111 is a new medicine which cannot be prescribed by doctors but has previously been tested in humans. Participants will either get NNC0487-0111, which is given as tablets or as injections, or placebo. Which treatment the participant get is decided by chance.The study will last for about 43 weeks.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/17/2025
Locations: Southern Cal Clinical Research, Santa Ana, California
Conditions: Type 2 Diabetes (T2D)
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Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL
NCT06468202
Recruiting
The overall goal of this large, pragmatic, comparative effectiveness trial is to test the hypothesis that among at-risk individuals, 162 mg/day aspirin is superior to 81 mg/day in preventing Hypertensive disorders of pregnancy (HDP), and that there are multiple factors associated with adherence with aspirin therapy that will be important to identify to enable optimal implementation of study findings and population-level benefits.
Gender:
FEMALE
Ages:
Between 14 years and 35 years
Trial Updated:
06/17/2025
Locations: Cedars Sinai Medical Center, Los Angeles, California
Conditions: Hypertensive Disorders of Pregnancy, Preeclampsia, Gestational Hypertension
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An Extension Study for Patients Previously Enrolled in Studies With Pelabresib
NCT06401356
Recruiting
The purpose of this study is to evaluate the long-term safety and the clinical benefit of pelabresib in patients with hematological and/or solid tumor indications or advanced malignancies. Additionally, participants previously enrolled in studies with pelabresib who received placebo or participants who discontinued pelabresib (for any other reason than participating in this extension study), may be enrolled in this extension study to evaluate the survival and leukemia-free survival (for patients... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/17/2025
Locations: Hematologic Malignancy/Stem (Department of Medicine, Division of Hematology/Oncology), Los Angeles, California
Conditions: Hematologic Malignancy, Solid Tumor, Advanced Malignancies
Register for Updates
Fasedienol Nasal Spray for the Acute Treatment of Anxiety in Adults With Social Anxiety Disorder (PALISADE-3)
NCT06358651
Recruiting
This U.S. Phase 3 clinical trial is designed to evaluate the efficacy, safety, and tolerability of the acute intranasal (i.n.) administration of Fasedienol Nasal Spray (fasedienol) (3.2 µg) to relieve symptoms of acute anxiety in adult subjects ages 18 through 65 with Social Anxiety Disorder induced by a public speaking challenge (PSC) in a clinical setting. In addition, safety and tolerability of i.n. administration of 3.2 µg of fasedienol, as-needed, up to 6 times per day for up to 12 months,... Read More
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
06/17/2025
Locations: Vistagen Clinical Site, Lafayette, California
Conditions: Social Anxiety Disorder
Register for Updates
A Study to Investigate the Safety and Efficacy of NST-628 Oral Tablets in Subjects With Solid Tumors
NCT06326411
Recruiting
This is a two-part Phase 1, open label, multi-center, single arm, non-randomized, multiple dose, safety, pharmacokinetic (PK) and preliminary efficacy study of single agent NST-628 in adult patients with MAPK pathway mutated/dependent advanced solid tumors who have exhausted standard treatment options.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/17/2025
Locations: UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
Conditions: Oncology, MEK Mutation, RAF Gene Mutation, Ras (KRAS or NRAS) Gene Mutation, Melanoma, NSCLC, Glioma, Solid Tumor, Adult, MAPK Pathway Gene Mutation
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A Research Study to Look at Long-term Treatment With a Medicine Called NNC6019-0001 for People Who Have Heart Failure Due to Transthyretin Amyloidosis
NCT06260709
Recruiting
This study will test a medicine, NNC6019-0001, for people who have a heart disease due to TTR amyloidosis. It will look at how safe this medicine is in the long term and if it can reduce symptoms of a heart disease due to TTR amyloidosis, such as heart failure. It is an extension to a study called "A research study to look at how a new medicine called NNC6019-0001 works and how safe it is for people who have a heart disease due to TTR amyloidosis". Only participants who have completed that study... Read More
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
06/17/2025
Locations: Cedars-Sinai Medical Center_Los Angeles, Los Angeles, California
Conditions: Transthyretin Amyloid Cardiomyopathy (ATTR CM)
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Effects of Goji vs. Fiber on Macular Degeneration
NCT06237127
Recruiting
The goal of this project is to conduct a clinical trial in 60 participants ranging from age 65-95 who are at risk for age-related macular degeneration (AMD). The study will evaluate the effects of 14g of goji berry intake or an equivalent amount and type of fiber, five days a week for six months, on visual health, gut microbiome profiles, skin carotenoid measures, and lipoprotein profiles.
Gender:
ALL
Ages:
Between 65 years and 95 years
Trial Updated:
06/17/2025
Locations: UC Davis Eye Center, Tschannen Eye Institute, Sacramento, California
Conditions: Age-Related Macular Degeneration
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A Research Study Looking Into How Ziltivekimab Works Compared to Placebo in Participants With Heart Failure and Inflammation
NCT06200207
Recruiting
The study is being done to see if ziltivekimab can be used to treat participants living with heart failure and inflammation. Participants will either get ziltivekimab (active medicine) or placebo (inactive substance that looks like the study medicine but does not contain any medicine). The treatment participants get is decided by chance. Participant's chance of getting ziltivekimab or placebo is the same. Ziltivekimab is not yet approved in any country or region in the world. It is a new medicin... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/17/2025
Locations: Valley Clinical Trials, Inc., Northridge, California
Conditions: Heart Failure, Systemic Inflammation
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Study on Efficacy and Safety of Givinostat Versus Hydroxyurea in Patients With Polycythemia Vera
NCT06093672
Recruiting
The goal of this clinical trial is to compare the efficacy and safety of givinostat to hydroxyurea in Jak2V617F-positive high risk polycythemia vera patients.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/17/2025
Locations: Emad Ibrahim, MD, Inc, Redlands, California
Conditions: Polycythemia Vera
Register for Updates