California is currently home to 5626 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 of Orforglipron (LY3502970) in Adolescent Participants With Obesity, or Overweight With Related Comorbidities
Recruiting
The main purpose of this study, performed under Master Protocol J4M-MC-PWMP, is to evaluate the efficacy, safety, and pharmacokinetics of orforglipron once daily oral versus Placebo in adolescent participants with obesity, or overweight with related comorbidities. Participation in the study will last about 18 months.
Gender:
ALL
Ages:
Between 12 years and 17 years
Trial Updated:
07/22/2025
Locations: Carey Chronis MD Pediatric, Infant and Adolescent Medicine, Ventura, California
Conditions: Obesity, Overweight
A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)
Recruiting
The purpose of this pediatric, chronic weight management, Phase 3 Master Protocol (PWMP) is to create a framework to evaluate the safety and efficacy of pharmacologic agents for the treatment of obesity or overweight in pediatric participants.
Gender:
ALL
Ages:
Between 6 years and 17 years
Trial Updated:
07/22/2025
Locations: Carey Chronis MD Pediatric, Infant and Adolescent Medicine, Ventura, California
Conditions: Obesity, Overweight
A Study to Evaluate the Efficacy and Safety of Subcutaneous Tildrakizumab in Subjects With Moderate to Severe Genital Psoriasis.
Recruiting
Phase 3 study to evaluate the efficacy and safety of subcutaneous tildrakizumab in subjects with moderate to severe genital psoriasis.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: Smary Cures Clinical Research, Anaheim, California
Conditions: Moderate to Severe Genital Psoriasis
A Study to Investigate Weight Management With LY3841136 and Tirzepatide (LY3298176), Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 Diabetes
Recruiting
The main purpose of this study, performed under the master protocol W8M-MC-CWMM (NCT06143956), is to investigate the safety and efficacy of LY3841136 for chronic weight management alone or in combination with Tirzepatide across a wide dose range in participants with Type 2 Diabetes. Participation in the study will last about 64 weeks.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/22/2025
Locations: NorCal Medical Research, Inc, Greenbrae, California
Conditions: Obesity, Overweight
A Study of LY4100511 (DC-853) in Adult Participants With Moderate-to-Severe Plaque Psoriasis
Recruiting
The main purpose of this study is to assess the safety and efficacy of LY4100511 in adult participants with moderate-to-severe plaque psoriasis.
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
07/22/2025
Locations: Zenith Research, Inc., Beverly Hills, California
Conditions: Plaque Psoriasis
A Study of Eltrekibart and Mirikizumab in Adult Patients With Moderately to Severely Active Ulcerative Colitis
Recruiting
The main purpose of this study is to determine the safety and efficacy of eltrekibart and mirikizumab in adult participants with moderately to severely active ulcerative colitis (UC).
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/22/2025
Locations: Southern California GI and Liver Centers (SCLC), Coronado, California
Conditions: Ulcerative Colitis, Ulcerative Colitis Chronic
Once Daily Versus Twice Daily Budesonide Orodispersible Tablets for Induction of Remission in EoE
Recruiting
The purpose of this study is to prove the non-inferiority of a 6-weeks treatment with 1 mg budesonide orodispersible tablets BID versus 2 mg budesonide orodispesible tabletss for the induction of clinico-pathological remission in adult patients with active eosinophilic esophagitis.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
07/22/2025
Locations: Dr. Falk Investigational Site, La Jolla, California
Conditions: Eosinophilic Esophagitis
Effects of LY3848575 Versus Placebo in Participants With Painful Distal Sensory Polyneuropathy
Recruiting
The purpose of this study is to evaluate how safe and how well a treatment works compared to placebo for people with nerve pain that begins in their feet and moves up the leg to just below the knee. Participation may last up to 30 weeks including screening.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: Neuro-Pain Medical Center, Fresno, California
Conditions: Neuropathic Pain, Distal Sensory Polyneuropathy
TraNsvenous TrIcuspid Valve ReplacemenT With LuX-Valve Plus System (TRINITY-US)
Recruiting
The LuX-Valve Plus System is intended for the treatment of patients with at least severe TR who are symptomatic and determined by a Heart Team not to be suitable for surgical treatment. This study aims to assess the safety and effectiveness of the LuX-Valve Plus System in high-surgical risk patients with at least severe tricuspid regurgitation (TR).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: Cedars-Sinai Medical Center, Los Angeles, California
Conditions: Tricuspid Regurgitation (TR)
A Study of PRT7732, an Oral SMARCA2 Degrader, in Patients With Advanced or Metastatic Solid Tumors With a SMARCA4 Mutation
Recruiting
This is a Phase 1 study to determine the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary efficacy of PRT7732 in patients with select advanced or metastatic solid tumors with a SMARCA4 mutation.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
Conditions: Advanced Solid Tumor, Metastatic Solid Tumor, Non-small Cell Lung Carcinoma, SMARCA4 Mutation
EF-41/KEYNOTE D58: Phase 3 Study of Optune Concomitant With Temozolomide Plus Pembrolizumab in Newly Diagnosed Glioblastoma
Recruiting
This is a multicenter, two-arm, randomized, double-blind, placebo-controlled study of Optune® (Tumor Treating Fields at 200 kHz) together with maintenance Temozolomide (TMZ) chemotherapy agent and pembrolizumab compared to Optune® together with maintenance TMZ and placebo in newly diagnosed Glioblastoma (GBM) patients. The primary objective of the study is to evaluate the Overall Survival (OS).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/22/2025
Locations: University of Southern California, Los Angeles, California
Conditions: Glioblastoma
A Study of Mevidalen (LY3154207) in Participants With Alzheimer's Disease
Recruiting
The main purpose of this study is to look at how safe the study drug (mevidalen) is and whether it works to alleviate symptoms when given to people with mild to moderate Alzheimer Disease (AD) dementia. This is done by looking at participants: thinking and memory (cognition), everyday activities and sleep, AD symptoms, physical activity, irritability or anxiety. The study is expected to last approximately 26 weeks and may include up to 14 visits.
Gender:
ALL
Ages:
Between 50 years and 80 years
Trial Updated:
07/22/2025
Locations: Profound Research, LLC, Carlsbad, California
Conditions: Alzheimer Disease