California is currently home to 5585 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 Evaluate AZD7760 Safety and Pharmacokinetics in Healthy Adults (Phase I) and Adults With End-stage Kidney Disease on Hemodialysis With a Central Venous Catheter (Phase IIa)
Recruiting
The purpose of this study is to evaluate the safety and pharmacokinetics (PK) of AZD7760 when given as an intravenous infusion to healthy participants (Phase I) or participants with end-stage kidney disease receiving hemodialysis through a central venous catheter (Phase IIa).
Gender:
ALL
Ages:
Between 18 years and 55 years
Trial Updated:
05/23/2025
Locations: Research Site, Glendale, California
Conditions: Staphylococcus Aureus
A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.
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. A 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 can be with or without inhibitors 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 bec... Read More
Gender:
MALE
Ages:
Between 12 years and 74 years
Trial Updated:
05/23/2025
Locations: Orthopaedic Institute for Children, Los Angeles, California
Conditions: Severe Hemophilia A
A Pivotal Study of N-Acetyl-L-Leucine on Ataxia-Telangiectasia (A-T)
Recruiting
A pivotal, randomized, double-blind, placebo-controlled, multi-center therapeutic study for patients age 4 and older with a confirmed diagnosis of Ataxia-Telangiectasia (A-T). The objective of this study is to evaluate the safety, tolerability and efficacy of N-acetyl-L-leucine (IB1001) compared to standard of care.
Gender:
ALL
Ages:
4 years and above
Trial Updated:
05/23/2025
Locations: University of California Los Angeles, Los Angeles, California
Conditions: Ataxia-Telangiectasia, Ataxia-Telangiectasia (A-T)
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:
05/23/2025
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:
05/23/2025
Locations: Carey Chronis MD Pediatric, Infant and Adolescent Medicine, Ventura, California
Conditions: Obesity, Overweight
A Study of Amivantamab in Combination With Lazertinib, or Amivantamab in Combination With Platinum-Based Chemotherapy, for Common Epidermal Growth Factor Receptor (EGFR)-Mutated Locally Advanced or Metastatic Non-Small Cell Lung Cancer (NSCLC)
Recruiting
The primary purpose of the study is to assess how well amivantamab subcutaneous (SC) administration in combination with lazertinib or in combination with chemotherapy works (antitumor activity) in participants with epidermal growth factor receptor mutated (EGFRm) non-small cell lung cancer (NSCLC; that is one of the major types of lung cancer).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/23/2025
Locations: City of Hope Corona, Corona, California
Conditions: Carcinoma, Non-Small-Cell Lung
A Study to Investigate Weight Management With Bimagrumab (LY3985863) and Tirzepatide (LY3298176), Alone or in Combination, in Adults With Obesity or Overweight
Recruiting
The main purpose of this study is to evaluate the efficacy and safety of Bimagrumab and Tirzepatide, alone or in combination, in adults with obesity or overweight, with at least one obesity related comorbidity, without Type 2 Diabetes. The study will last about 70 weeks.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
05/23/2025
Locations: Diablo Clinical Research, Inc., Walnut Creek, California
Conditions: Obesity, Overweight
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:
05/23/2025
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:
05/23/2025
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:
05/23/2025
Locations: Southern California GI and Liver Centers (SCLC), Coronado, California
Conditions: Ulcerative Colitis, Ulcerative Colitis Chronic
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:
05/23/2025
Locations: Neuro-Pain Medical Center, Fresno, California
Conditions: Neuropathic Pain, Distal Sensory Polyneuropathy
Study to Investigate Changes in Airway Inflammation, Symptoms, and Rescue Therapy Utilization With AIRSUPRA Compared to Albuterol as Needed in Adults With Mild Asthma
Recruiting
The purpose of this study is to compare the efficacy and safety of albuterol/budesonide to albuterol in changes in airway inflammation, asthma symptoms, and rescue therapy utilization in adults with mild asthma. Study details include: * The study duration will be up to 15 weeks. * The treatment duration will be 12 weeks. * The visit frequency will be once every 4 weeks, with 3 clinic visits and 2 video calls in total.
Gender:
ALL
Ages:
Between 18 years and 120 years
Trial Updated:
05/23/2025
Locations: Research Site, Lancaster, California
Conditions: Mild Asthma