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.
Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE
NCT06669754
Recruiting
This is a Phase 3, multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of once-daily orally administered deucrictibant extended-release tablet compared to placebo for prophylaxis to prevent angioedema attacks in participants aged ≥ 12 years with hereditary angioedema.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
07/28/2025
Locations: Study site, Santa Monica, California
Conditions: Hereditary Angioedema (HAE)
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PUL-042 Treatment in Patients With Parainfluenza Virus (PIV), Human Metapneumovirus (hMPV) or Respiratory Syncytial Virus (RSV)
NCT06665100
Recruiting
The purpose of this research study is to try to see whether an experimental drug, PUL 042 Inhalation Solution (PUL 042), is effective in reducing the severity of lung infections in patients with hematologic malignancies and recipients of hematopoietic stem cell transplantation with documented viral infections due to PIV, hMPV, or RSV. PUL-042 or a placebo will be administered 3 times over a 6-day period. The total duration of the study will be approximately 30 days.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: City of Hope National Medical Center, Duarte, California
Conditions: Hematologic Malignancies, Hematopoietic Stem Cell Transplant (HSCT)
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Phase 2 Study Evaluating Rapcabtagene Autoleucel in Participants With Diffuse Cutaneous Systemic Sclerosis
NCT06655896
Recruiting
The purpose of this study is to evaluate the efficacy, safety and tolerability of rapcabtagene autoleucel (administered once following lymphodepletion) in participants with severe refractory diffuse cutaneous systemic sclerosis relative to rituximab.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/28/2025
Locations: UCSF, San Francisco, California
Conditions: Scleroderma, Diffuse
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Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors
NCT06625775
Recruiting
First in human study to evaluate the safety, tolerability, and pharmacokinetics (PK) of BBO-10203, a PI3Kα:RAS breaker, alone and in combination with other anti-cancer agents in patients with advanced solid tumors.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: University of California Los Angeles, Los Angeles, California
Conditions: Solid Tumor, Adult, Metastatic Breast Cancer, Advanced Breast Cancer, HER2 Mutation-Related Tumors, HER2-positive Metastatic Breast Cancer, HER2-Positive Advanced Breast Cancer, KRAS Mutant Metastatic Colorectal Cancer, Metastatic Lung Cancer, Metastatic Colorectal Cancer, Advanced Lung Cancer, HR-positive, HER2-negative Advanced Breast Cancer
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A Study to Evaluate the Efficacy and Safety of GDC-8264 in Preventing Cardiac Surgery-Associated Acute Kidney Injury (AKI) and Major Adverse Kidney Events (MAKE)
NCT06602453
Recruiting
The aim of this study is to evaluate the efficacy and safety of GDC-8264 compared with placebo in participants undergoing cardiac surgery who are determined to be at moderate to high risk of developing AKI and subsequent MAKE at 90 days after surgery (MAKE90). The study will be performed in two parts- Part 1 and Part 2.
Gender:
ALL
Ages:
40 years and above
Trial Updated:
07/28/2025
Locations: Ronald Reagan UCLA Medical Center, Los Angeles, California
Conditions: Acute Kidney Injury
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Safety and Pharmacodynamic Effects of BIIB122 in Participants With LRRK2-Associated Parkinson's Disease (LRRK2-PD)
NCT06602193
Recruiting
This Phase 2a, multicenter, randomized, 12-week double-blind, placebo-controlled, parallel-group study, followed by an OLE, is designed to evaluate the safety, tolerability, and pharmacodynamic effects of BIIB122 in participants with LRRK2-PD. LRRK2-PD is defined as Parkinson's Disease (PD) in individuals who are heterozygous or homozygous carriers of a pathogenic LRRK2 variant that increases LRRK2 kinase activity.
Gender:
ALL
Ages:
30 years and above
Trial Updated:
07/28/2025
Locations: Cedars-Sinai Department of Neurology, Los Angeles, California
Conditions: Parkinson Disease
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Study to Evaluate Efficacy and Safety of Inclisiran in Children With Heterozygous Familial Hypercholesterolemia
NCT06597019
Recruiting
This is a pivotal phase III study designed to evaluate safety, tolerability, and efficacy of inclisiran in children (aged 6 to \<12 years) with heterozygous familial hypercholesterolemia (HeFH) and elevated low density lipoprotein cholesterol (LDLC).
Gender:
ALL
Ages:
Between 6 years and 11 years
Trial Updated:
07/28/2025
Locations: UC San Francisco Medical Center, San Francisco, California
Conditions: Familial Hypercholesterolemia - Heterozygous
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A Study to Assess the Efficacy and Safety of Afimkibart (Also Known as RO7790121) for Induction and Maintenance Therapy in Participants With Moderately to Severely Active Ulcerative Colitis
NCT06589986
Recruiting
This Phase III, multicenter, double-blind, placebo-controlled, treat-through study will evaluate the efficacy and safety of Afimkibart (RO7790121) compared with placebo in participants with moderately to severely active ulcerative colitis (UC).
Gender:
ALL
Ages:
Between 16 years and 80 years
Trial Updated:
07/28/2025
Locations: 310 Clinical Research, Inglewood, California
Conditions: Moderately to Severely Active Ulcerative Colitis
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A Study to Assess the Efficacy and Safety of Induction Therapy With Afimkibart (Also Known as RO7790121) in Participants With Moderately to Severely Active Ulcerative Colitis
NCT06588855
Recruiting
This Phase III, multicenter, double-blind, placebo-controlled study will evaluate the efficacy and safety of induction therapy with Afimkibart (RO7790121) compared with placebo in participants with moderately to severely active ulcerative colitis (UC).
Gender:
ALL
Ages:
Between 16 years and 80 years
Trial Updated:
07/28/2025
Locations: Om Research LLC, Apple Valley, California
Conditions: Moderately to Severely Active Ulcerative Colitis
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A Study of Rapcabtagene Autoleucel in Systemic Lupus Erythematosus (SLE) Patients With Active, Refractory Lupus Nephritis (LN)
NCT06581198
Recruiting
The purpose of this study is to evaluate the efficacy and safety of rapcabtagene autoleucel (administered once following lymphodepletion) versus Standard of Care (SOC) in patients with systemic lupus erythematosus (SLE) with active, refractory lupus nephritis (LN).
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/28/2025
Locations: UCSF, San Francisco, California
Conditions: Lupus Erythematosus, Systemic, Lupus Nephritis
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A Comparison of NeuroSpan Bridge, NeuraGen Nerve Guide, and Nerve Autograft for Peripheral Nerve Repair
NCT06529835
Recruiting
This is a multicenter, prospective, randomized, subject and evaluator blinded clinical trial to asses the efficacy of Auxilium's NeuroSpan Bridge.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
07/28/2025
Locations: UCSF Orthopedic Institute, San Francisco, California
Conditions: Peripheral Nerve Injuries
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A Study Evaluating Efruxifermin in Subjects With Compensated Cirrhosis Due to NASH/MASH
NCT06528314
Recruiting
This is a multi-center evaluation of efruxifermin (EFX) in a randomized, double-blind, placebo-controlled study in subjects with compensated cirrhosis due to NASH/MASH.
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
07/28/2025
Locations: Akero Clinical Study Site, Coronado, California
Conditions: NASH - Nonalcoholic Steatohepatitis, MASH - Metabolic Dysfunction-Associated Steatohepatitis
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