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.
Post Market Evaluation of Clinical Safety and Performance of the Fitbone Transport and Lengthening System
Recruiting
This is an open-label, prospective, observational, post-market, uncontrolled, multi-center study intended to evaluate the safety and clinical performance of the FITBONE Transport and Lengthening Nail when used according to the manufacturer's Instructions for Use. The FITBONE Transport \& Lengthening Nail is a variant of the FITBONE TAA Nail, which has been commercially available in the US since 2017. The clinical performance and safety of the medical device have been assessed based on mechanical... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Cedars Sanai Medical Center, Los Angeles, California
Conditions: Fractures, Bone, Fractures, Closed, Fractures, Open, Fracture of Femur, Fracture Nonunion, Fracture of Tibia, Limb Deformity, Limb Fracture, Limb Defect, Limb Asymmetry
A Study of I-DXd in Combination With Atezolizumab With or Without Carboplatin as First-Line Induction or Maintenance in Subjects With Extensive Stage-Small Cell Lung Cancer (IDeate-Lung03)
Recruiting
This study is designed to evaluate the safety and efficacy of ifinatamab deruxtecan (I-DXd) in combination with immune checkpoint inhibitor (ICI) atezolizumab with or without carboplatin in participants with extensive stage-small cell lung cancer (ES-SCLC) in the first-line (1L) setting.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: David Geffen School of Medicine, Los Angeles, California
Conditions: Extensive Stage-small Cell Lung Cancer
Efficacy and Safety of Gemlapodect (NOE-105) in Adults and Adolescents With Tourette Syndrome
Recruiting
This study is designed to evaluate the efficacy and safety of gemlapodect (NOE-105) on reducing tics associated with Tourette Syndrome (TS) in adults with TS. Adolescents will be enrolled after a sentinel cohort of adults is complete.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Noema TTS-201 Site #95, Bellflower, California
Conditions: Tourette Syndrome
Global Prospective, Observational Cohort of Adult Patients With Primary Sclerosing Cholangitis (WIND-PSC Study)
Recruiting
Develop an appropriate real-world data comparator cohort to support the design, execution, and serve as an external control for interventional clinical trials in PSC.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/29/2025
Locations: UC Davis, Sacramento, California
Conditions: PSC
A Phase 1 Study Evaluating Safety and Tolerability of RCT2100 in Healthy Participants and in Participants With CF
Recruiting
This is the first-in-human study with RCT2100 and is designed to provide safety and tolerability data for future clinical studies.
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
07/29/2025
Locations: Stanford University, Palo Alto, California
Conditions: Cystic Fibrosis
Study to Evaluate Adverse Events, Optimal Dose, and Change in Disease Activity, With Livmoniplimab in Combination With Budigalimab Plus Chemotherapy Versus IV Infused Pembrolizumab Plus Chemotherapy in Adult Participants With Untreated Metastatic Non-Squamous Non-Small Cell Lung Cancer (NSCLC)
Recruiting
Non-Squamous Non-Small Cell Lung Cancer (NSCLC) remains a leading cause of cancer mortality worldwide, with poor survival prospects for metastatic disease. The purpose of this study is to evaluate the optimized dose, adverse events, and efficacy of livmoniplimab in combination with budigalimab plus chemotherapy versus pembrolizumab plus chemotherapy in participants with untreated metastatic non-squamous non-small cell lung cancer. Livmoniplimab is an investigational drug being developed for the... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: Moores Cancer Center /ID# 267782, La Jolla, California
Conditions: Non-Small Cell Lung Cancer
A Phase 2 Study to Evaluate MORF-057 in Adults With Moderately to Severely Active Crohn's Disease
Recruiting
This is a Phase 2, randomized, double-blind, placebo-controlled, multicenter study to evaluate the efficacy and safety of 2 active dose regimens of MORF-057 in adult study participants with moderately to severely active Crohn's disease (CD).
Gender:
ALL
Ages:
Between 18 years and 85 years
Trial Updated:
07/29/2025
Locations: Gastro Care Institute, Lancaster, California
Conditions: Inflammatory Bowel Diseases, Crohn's Disease
Type I Hybrid Effectiveness-Implementation Trial of Primary Care Brief Mindfulness Training for Veterans
Recruiting
The VA wants to understand what type of integrative and whole health approaches are helpful for Veterans. The study is comparing two primary care based mental health treatments, a mindfulness class that teaches mindfulness meditation and a problem-solving class that teaches problem-solving skills and how to build resilience, for Veterans who are experiencing symptoms of anxiety, depression, and/or PTSD. The goal of the study is to understand if the classes reduce symptoms of anxiety, depression,... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: VA San Diego Healthcare System, San Diego, CA, San Diego, California
Conditions: Post Traumatic Stress Disorder (PTSD), Depression, Anxiety
Phase 3 Extension Study to Evaluate Long-term Safety of Ianalumab in Participants With Systemic Lupus Erythematosus (SIRIUS-SLE Extension).
Recruiting
The purpose of this study is to evaluate long-term safety and tolerability of ianalumab in participants with systemic lupus erythematosus who have previously completed the treatment period in one of the two SIRIUS-SLE core studies (CVAY736F12301 or CVAY736F12302).
Gender:
ALL
Ages:
Between 12 years and 100 years
Trial Updated:
07/29/2025
Locations: Advanced Medical Research, La Palma, California
Conditions: Systemic Lupus Erythematosus
A Global Study of Volrustomig (MEDI5752) for Participants With Unresected Locally Advanced Head and Neck Squamous Cell Carcinoma Following Definitive Concurrent Chemoradiotherapy
Recruiting
The main purpose of this study is to assess the efficacy and safety of volrustomig compared to observation in participants with unresected locally advanced head and neck squamous cell carcinoma (LA-HNSCC) who have not progressed after receiving definitive concurrent chemoradiotherapy (cCRT).
Gender:
ALL
Ages:
Between 18 years and 130 years
Trial Updated:
07/29/2025
Locations: Research Site, Fountain Valley, California
Conditions: Locally Advanced Head and Neck Squamous Cell Carcinoma
Study to Assess the Safety, Tolerability, PK and PD of ABX1100
Recruiting
Study ABX1100-1001 is a first-in-human (FIH), phase 1 study to assess the safety, tolerability, pharmacokinetics and pharmacodynamics of a single ascending dose (SAD) and multiple doses (MD) of ABX1100 administered intravenously to healthy participants and patients with LOPD. * Part A features a SAD study with a double-blind, placebo-controlled, randomized design in NHVs involving 3 cohorts (A1-A3). This Part also includes a single dose, open-labeled cohort (A4) in NHVs which will commence afte... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/29/2025
Locations: UCI, Orange, California
Conditions: Healthy, Late Onset Pompe Disease
A Study to Estimate How Often Post-stroke Spasticity Occurs and to Provide a Standard Guideline on the Best Way to Monitor Its Development
Recruiting
This study will monitor patients during the first year following their stroke. Stroke is a very serious condition where there is a sudden interruption of blood flow in the brain. The main aim of the study will be to find out how many of those who experience their first-ever stroke then go on to develop spasticity that would benefit from treatment with medication. Spasticity is a common post-stroke condition that causes stiff or ridged muscles. The results of this study will provide a standar... Read More
Gender:
ALL
Ages:
Between 18 years and 90 years
Trial Updated:
07/29/2025
Locations: Loma Linda, Anderson, California
Conditions: Spasticity as Sequela of Stroke