California is currently home to 5614 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 Assess the Safety, Tolerability, and Efficacy of IMVT-1402 in Participants With Cutaneous Lupus Erythematosus (CLE)
Recruiting
The primary purpose of this study is to evaluate the efficacy, safety, and tolerability of IMVT-1402 in participants with Cutaneous Lupus Erythematosus. The study will consist of 3 periods: Period 1: eligible participants will be randomized 1:1 to IMVT-1402 600 mg or placebo SC QW for 12 weeks. Period 2: participants who completed Period 1 will receive IMVT-1402 600 mg SC QW for 14 weeks. Period 3: after completion of Period 2, participants will be re-randomized 1:1 to blinded IMVT-1402 600... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Site Number - 1018, San Diego, California
Conditions: Subacute Cutaneous Lupus Erythematosus, Chronic Cutaneous Lupus Erythematosus
A Study to Investigate Safety, Tolerability, Pharmacokinetics (PK), Pharmacodynamics (PD), and Immunogenicity of RO7669330 in Participants With Geographic Atrophy (GA) Secondary to Age-related Macular Degeneration (AMD)
Recruiting
The main purpose of this study is to assess the ocular and systemic safety and tolerability of RO7669330 in GA secondary to AMD after multiple unilateral intravitreal (IVT) doses.
Gender:
ALL
Ages:
55 years and above
Trial Updated:
05/19/2025
Locations: Global Research Management, Glendale, California
Conditions: Geographic Atrophy, Age-related Macular Degeneration
A Study to Investigate the Safety and Biodistribution of a Single Intrathecal (IT) Injection of INS1201 in Ambulatory Males With Duchenne Muscular Dystrophy (DMD)
Recruiting
The primary objective of this study is to evaluate the safety and tolerability of a single dose of INS1201 via IT administration in ambulatory male participants with DMD.
Gender:
MALE
Ages:
Between 2 years and 4 years
Trial Updated:
05/19/2025
Locations: USA002, Palo Alto, California
Conditions: Duchenne Muscular Dystrophy
A Phase 3 Trial of MM120 for Generalized Anxiety Disorder (Panorama)
Recruiting
A Phase 3, Double-blind, Placebo-controlled Study (Part A) with an Open-label Extension (Part B) Evaluating MM120 Compared to Placebo in Generalized Anxiety Disorder - Panorama
Gender:
ALL
Ages:
Between 18 years and 74 years
Trial Updated:
05/19/2025
Locations: New School Research, Los Angeles, California
Conditions: Generalized Anxiety Disorder
Safety Study in Subjects ≥ 12 Years of Age With Hereditary Angioedema Switching to Garadacimab
Recruiting
This study is designed to evaluate the safety after switching to garadacimab from another prophylactic hereditary angioedema (HAE) treatment (marketed kallikrein \[KK\] inhibitor or plasma-derived C1-esterase inhibitor \[pdC1INH\]prophylactic) when administered once monthly for approximately 3 months in participants aged greater than or equal to (\>=) 12 years with HAE.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
05/19/2025
Locations: Donald Levy M.D., Orange, California
Conditions: Hereditary Angioedema
Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Recruiting
This study is a Phase 3, randomized, modified double-blind study which aims to measure whether PCV21 vaccine (investigational pneumococcal conjugate vaccine) is safe and can help the body to develop germ-fighting agents called "antibodies" (immunogenicity) compared with 20-valent pneumococcal vaccine (Prevnar 20, licensed pneumococcal conjugate vaccine) when they are administered with routine pediatric vaccines in infants aged from approximately 2 months (42 to 89 days). The study duration per... Read More
Gender:
ALL
Ages:
Between 42 days and 89 days
Trial Updated:
05/19/2025
Locations: Century Research Institute- Site Number : 8400065, Huntington Park, California
Conditions: Pneumococcal Immunization
A Study of Barzolvolimab in Patients With Atopic Dermatitis
Recruiting
The purpose of this study is to assess the efficacy and safety of barzolvolimab in adults with Atopic Dermatitis
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Ohara Aivaz MD Dermatology, Beverly Hills, California
Conditions: Atopic Dermatitis
A Study to Evaluate the Effectiveness and Safety of Treatments, Either Alone or in Combination, for the Treatment of Moderate to Severe Atopic Dermatitis
Recruiting
Atopic dermatitis (AD) is a skin condition that may cause a rash and itching due to inflammation of the skin. The purpose of this study is to evaluate the clinical efficacy and safety of single therapies and/or combination therapies for moderate to severe AD through multiple substudies. This study will consist of multiple sub-studies, Sub-Study 1 will have a randomized, placebo controlled period 1 followed by a lutikizumab treatment period 2 enrolling 80 participants at a 1 to 1 ratio. In Sub-... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Dermatology Research Associates - Los Angeles /ID# 272945, Los Angeles, California
Conditions: Atopic Dermatitis
A Proof-of-Concept Study to Assess the Efficacy, Safety and Tolerability of Itepekimab (Anti--IL-33 mAb) in Participants With Chronic Rhinosinusitis Without Nasal Polyps
Recruiting
ACT18421 is a multinational, randomized, double-blind, placebo-controlled, parallel-group, Phase 2 study with 3 treatment groups. The purpose of the study is to evaluate the efficacy, safety and tolerability of 2 dosing regimens of itepekimab compared to placebo in male and female participants with chronic rhinosinusitis without nasal polyps (CRSsNP) aged 18 years of age and older. Study details include: * The study duration (4-week screening, 24--week intervention, 20--week safety followup) w... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Modena Allergy + Asthma- Site Number : 8400005, La Jolla, California
Conditions: Chronic Rhinosinusitis Without Nasal Polyps
A Study to Investigate Improvement in Pruritus of Lichen Simplex Chronicus With Dupilumab Injections Compared With Placebo in Male and Female Participants Aged at Least 18 Years (STYLE 2)
Recruiting
This is a parallel, Phase 3, 2-arm study for treatment. The purpose of this study is to measure improvement in pruritus with dupilumab subcutaneous injections compared with placebo injections in male and female participants aged at least 18 years with LSC. Study details include: The study duration will be up to 40 weeks. The treatment duration will be up to 24 weeks. The follow-up duration after treatment will be 12 weeks. The number of visits will be 6.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Center for Dermatology Clinical Research- Site Number : 8400226, Fremont, California
Conditions: Lichen Simplex Chronicus
A 2-part Study Consisting of a Multiple Ascending Dose Safety Study in Participants With Macular Edema Following Branch Retinal Vein Occlusion and a Dose-finding Safety and Preliminary Efficacy Study in Participants With Either Diabetic Macular Edema or Neovascular Age-related Macular Degeneration
Recruiting
EYE-TIE-201 is a 2-part study to investigate the safety and effectiveness of a new drug being developed called EYE201. All participants in the study will receive a total of 3 injections of EYE201 into the study eye, spaced at 4 weeks apart. In the first part, termed the multiple ascending dose (MAD) portion of study, the safety of EYE201 will be assessed at increasing doses in branch retinal vein occlusion (BRVO) participants. Approximately 12 participants will be entered in this part of the s... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Modesto, CA, Modesto, California
Conditions: Diabetic Macular Edema (DME), Neovascular Age-related Macular Degeneration (NVAMD), BRVO - Branch Retinal Vein Occlusion
A Study to Learn How PF-06821497 (Mevrometostat) Works in Men With Metastatic Castration-resistant Prostate Cancer.
Recruiting
This study will explore whether a combination of the investigational drug PF-06821497 and enzalutamide will work better than taking enzalutamide alone in participants with mCRPC who are ARSi or abiraterone naïve.
Gender:
MALE
Ages:
18 years and above
Trial Updated:
05/19/2025
Locations: Adventist Health Physicians Network, Hidden Valley Lake, California
Conditions: Metastatic Castration-Resistant Prostate Cancer