Paid Clinical Trials in California

California has 6,520 paid clinical trials enrolling now across cities including Los Angeles, San Francisco and San Diego. Search by condition, age, or phase to find compensated research studies accepting participants near you.

Research sites in California include Stanford Medicine, UCLA Health and UCSF, running studies across oncology, cardiology, neurology, and more. Both patients and healthy volunteers may qualify. Most studies offer compensation for time and travel.

Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: June 19, 2026.

Filter results

Filter results

State

City

Phase

Study type

Intervention

Recruitment status

Condition

Sex

Age

Healthy volunteers only

6,520 clinical trials

↓ Download CSV

Study Evaluating the Efficacy and Safety of RAP-219 in Adult Participants With Bipolar I Disorder

for Bipolar 1 Disorder

22 locations incl. Little Rock

Sponsor: Rapport Therapeutics Inc.

Sex: All·Age: 18 - 65

Code: NCT07046494·Phase 2·Recruiting

Apply to this trial

A Study of MRG007 (ARR-217) in Patients With Advanced Solid Tumors

for Locally Advanced or Metastatic Solid Tumors

10 locations incl. Los Angeles

Sponsor: ArriVent BioPharma, Inc.

Sex: All·Age: 18+

Code: NCT07066657·Phase 1·Recruiting

Apply to this trial

A Study to Find a Suitable Dose of ASP5834 in Adults With Solid Tumors

for Solid Tumor

11 locations incl. Santa Monica

Sponsor: Astellas Pharma Inc

Sex: All·Age: 18+

Code: NCT07094204·Phase 1·Recruiting

Apply to this trial

Safety and Efficacy of VDPHL01 in Females With Androgenetic Alopecia (AGA)

for Androgenetic Alopecia (AGA)

71 locations incl. Birmingham

Sponsor: Veradermics, Inc.

Sex: Female·Age: 18 - 65

Code: NCT07146022·Phase 3·Recruiting

Apply to this trial

Project SOAR (Speaking Our African American Realities) Awakenings for Black American Women Diagnosed With Breast Cancer

for Breast Cancer

1 location in Los Angeles

Sponsor: University of California, Los Angeles

Sex: Female·Age: 18+

Code: NCT07208084·Recruiting

Apply to this trial

Assess the Safety and Efficacy of Sovateltide in Patients With Acute Cerebral Ischemic Stroke

for Acute Ischemic Stroke

15 locations incl. Tucson

Sponsor: Pharmazz, Inc.

Sex: All·Age: 18 - 80

Code: NCT05691244·Phase 3·Recruiting

Apply to this trial

Phase 3 Study of Gedatolisib as First-Line Treatment for Patients With HR-Positive, HER2-Negative Advanced Breast Cancer (VIKTORIA-2)

for Breast Cancer

22 locations incl. Duarte

Sponsor: Celcuity Inc

Sex: All·Age: 18+

Code: NCT06757634·Phase 3·Recruiting

Apply to this trial

A Study of the Medicine Called Abrocitinib in Children 6 to Less Than 12 Years of Age With Moderate-to-Severe Eczema

for Eczema

10 locations incl. Birmingham

Sponsor: Pfizer

Sex: All·Age: 6 - 11

Code: NCT06807268·Phase 3·Recruiting

Apply to this trial

Gauging Outcomes of Total Milk Ingestion on Lipid and gControl

for Heart Diseases

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT07087184·Recruiting

Apply to this trial

A Study of LY4088044 in Healthy Participants

for Healthy

Drug: LY4088044

4 locations incl. Los Alamitos

Sponsor: Eli Lilly and Company

Sex: All·Age: 18 - 65·Accepts healthy volunteers

Code: NCT07090785·Phase 1·Recruiting

Apply to this trial

Peripheral Neurostimulation for Nerve Block Placement

for Pain Syndrome

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18+

Code: NCT06566664·Enrolling By Invitation

This is a Study to Learn About How the Combination of the Study Medicines Sigvotatug Vedotin Plus Pembrolizumab Works in People With Non-small Cell Lung Cancer With High Levels of PD-L1.

for Non-Small Cell Lung Cancer

Drug: sigvotatug vedotin

58 locations incl. Fullerton

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT06758401·Phase 3·Recruiting

Apply to this trial

Efficacy and Safety of Remibrutinib After Switching From Ocrelizumab in Participants Living With Relapsing Multiple Sclerosis.

for Relapsing Multiple Sclerosis

Drug: Remibrutinib

38 locations incl. Scottsdale

Sponsor: Novartis Pharmaceuticals

Sex: All·Age: 40 - 70

Code: NCT06846281·Phase 3·Recruiting

Apply to this trial

Inclisiran Versus Placebo for the Prevention of Major Adverse Cardiovascular and Limb Events in Patients Undergoing Percutaneous Coronary Intervention or Peripheral Endovascular Intervention

for Percutaneous Coronary Intervention

Drug: Inclisiran

103 locations incl. Alexander City

Sponsor: Duke University

Sex: All·Age: 18+

Code: NCT06909565·Phase 4·Recruiting

Apply to this trial

A Study to Assess Adverse Events and Change in Disease Activity of Oral Surzetoclax Alone or in Combination With Subcutaneous and/or Oral Antimyeloma Agents in Adult Participants With Multiple Myeloma (MM)

for Multiple Myeloma

10 locations incl. Los Angeles

Sponsor: AbbVie

Sex: All·Age: 18+

Code: NCT06953960·Phase 1, Phase 2·Recruiting

Apply to this trial

Kidney Transplant Preemptive Therapy or Prophylaxis for CMV Prevention in D+R Recipients

for Cytomegalovirus (CMV)

5 locations incl. San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 18+

Code: NCT06798909·Phase 3·Recruiting

Apply to this trial

A Study to Investigate the Safety and Biodistribution of a Single Intrathecal (IT) Injection of INS1201 in Ambulatory Males With Duchenne Muscular Dystrophy (DMD)

for Duchenne Muscular Dystrophy

10 locations incl. Little Rock

Sponsor: Insmed Gene Therapy LLC

Sex: Male·Age: 2 - 4

Code: NCT06817382·Phase 1·Recruiting

Apply to this trial

Study of Lenacapavir as a Once-Yearly Injection for HIV Pre-exposure Prophylaxis (PrEP)

for HIV Pre-exposure Prophylaxis

31 locations incl. Birmingham

Sponsor: Gilead Sciences

Sex: All·Age: 16+·Accepts healthy volunteers

Code: NCT07047716·Phase 3·Recruiting

Apply to this trial

EASi-PROTKT™ - A Study to Test Vicadrostat (BI 690517) Taken Together With Empagliflozin in People With Type 2 Diabetes, High Blood Pressure, and Cardiovascular Disease

for Diabetes Mellitus, Type 2

Drug: Empagliflozin

216 locations incl. Anniston

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18+

Code: NCT07064473·Phase 3·Recruiting

Apply to this trial

Single Intravitreal (IVT) Injection of 4D-150 in Patients With Macular Neovascularization Secondary to Age-Related Macular Degeneration

for Neovascular Age-Related Macular Degeneration (nAMD)

54 locations incl. Scottsdale

Sponsor: 4D Molecular Therapeutics

Sex: All·Age: 50+

Code: NCT07064759·Phase 3·Recruiting

Apply to this trial

A Long-Term Follow-Up Observational Study to Evaluate Safety in Subjects Who Have Received a Gene-Modified Regulatory T Cell (Treg) Therapeutic

for Rheumatoid Arthritis (RA)

10 locations incl. San Francisco

Sponsor: Sonoma Biotherapeutics, Inc.

Sex: All·Age: 18 - 71

Code: NCT07123038·Recruiting

Apply to this trial

A Study of PARG Inhibitor FORX-428 in Patients With Advanced Solid Tumors.

for Advanced Solid Tumors

8 locations incl. Palo Alto

Sponsor: FoRx Therapeutics AG

Sex: All·Age: 18+

Code: NCT07356453·Phase 1·Recruiting

Apply to this trial

Induction of Dreaming With EEG and Anesthesia for Post-traumatic Stress Disorder

for PTSD

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 18 - 70

Code: NCT06577636·Phase 2·Recruiting

Apply to this trial

Zanzalintinib Versus Everolimus in Participants With Locally Advanced or Metastatic Neuroendocrine Tumors

for Pancreatic Neuroendocrine Tumor (pNET)

39 locations incl. Birmingham

Sponsor: Exelixis

Sex: All·Age: 18+

Code: NCT06943755·Phase 2, Phase 3·Recruiting

Apply to this trial

A Study to Evaluate the Efficacy and Safety of KarXT + KarX-EC for Cognitive Impairment in Alzheimer's Disease (MINDSET 2)

for Alzheimer's Disease

Drug: KarXT

30 locations incl. Fullerton

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 60 - 85

Code: NCT06976203·Phase 3·Recruiting

Apply to this trial

A Clinical Study of Patritumab Deruxtecan to Treat Breast Cancer (MK-1022-016)

for Breast Neoplasms

33 locations incl. Daphne

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18+

Code: NCT07060807·Phase 3·Recruiting

Apply to this trial

Artificial Intelligence Powered Mental Health Support Tool For Physicians In Training

for Wellness, Psychological

1 location in Los Angeles

Sponsor: Cedars-Sinai Medical Center

Sex: All·Age: 18+·Accepts healthy volunteers

Code: NCT07087119·Not Yet Recruiting

Substudy 03C: A Study of Combination Therapies in Participants With Renal Cell Carcinoma With Recurrent Disease During or After Anti-PD-(L)1 Therapy (MK-3475-03C/KEYMAKER-U03)

for Renal Cell Carcinoma

7 locations incl. San Francisco

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18 - 120

Code: NCT07049926·Phase 1, Phase 2·Recruiting

Apply to this trial

Phase III Long-term Extension Trial to Assess Safety and Efficacy of CYB003 in MDD (EXTEND)

for Major Depressive Disorder

19 locations incl. Phoenix

Sponsor: Cybin IRL Limited

Sex: All·Age: 18 - 85

Code: NCT06605105·Phase 3·Enrolling By Invitation

Safety and Effectiveness of the Orsiro Mission 48-mm Sirolimus Eluting Coronary Stent System in Subjects With Coronary Artery Lesions

for Coronary Artery Disease

7 locations incl. Concord

Sponsor: Teleflex

Sex: All·Age: 18+

Code: NCT06779630·Recruiting

Apply to this trial

A Study to Assess the Long-term Safety of KarXT for the Treatment of Manic Episodes in Bipolar-I Disorder (BALSAM-3)

for Bipolar Disorder Type I With Mania

Drug: KarXT

52 locations incl. Glendale

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18 - 65

Code: NCT06929273·Phase 3·Recruiting

Apply to this trial

Phase 3 Trial of eRapa in Patients With Familial Adenomatous Polyposis

for Familial Adenomatous Polyposis (FAP)

18 locations incl. Arcadia

Sponsor: Rapamycin Holdings Inc.

Sex: All·Age: 18+

Code: NCT06950385·Phase 3·Recruiting

Apply to this trial

DB-1311 in Combination With BNT327 or DB-1305 in Advanced/Metastatic Solid Tumors

for Solid Tumors

15 locations incl. Los Angeles

Sponsor: DualityBio Inc.

Sex: All·Age: 18+

Code: NCT06953089·Phase 2·Recruiting

Apply to this trial

Neladalkib (NVL-655) for TKI-naive Patients With Advanced ALK-Positive NSCLC

for Non-small Cell Lung Cancer

22 locations incl. Glendale

Sponsor: Nuvalent Inc.

Sex: All·Age: 18+

Code: NCT06765109·Phase 3·Recruiting

Apply to this trial

Testing the Addition of an Anti-Cancer Drug, Gemcitabine, to Usual Treatment (BCG Alone) in People Whose Non-Muscle Invasive Bladder Cancer (NMIBC) Came Back After Prior BCG Therapy

for Recurrent Non-Muscle Invasive Bladder Carcinoma

56 locations incl. Birmingham

Sponsor: Alliance for Clinical Trials in Oncology

Sex: All·Age: 18+

Code: NCT07000084·Phase 3·Recruiting

Apply to this trial

A Study of Subcutaneous Trastuzumab Deruxtecan in Participants With Metastatic Solid Tumors

for Recurrent or Metastatic Solid Tumors

6 locations incl. Newport Beach

Sponsor: Daiichi Sankyo

Sex: All·Age: 18+

Code: NCT07015697·Phase 1·Recruiting

Apply to this trial

Prostate Cancer Postoperative Stereotactic Body Radiotherapy With Adaptive Technology for Minimizing Toxicity

for Prostate Cancer (CRPC)

1 location in Los Angeles

Sponsor: Jonsson Comprehensive Cancer Center

Sex: Male·Age: 18+

Code: NCT07077239·Recruiting

Apply to this trial

A Study to Assess Safety and Efficacy of Surgical Implant of RNDP-001 in Patients With Idiopathic Parkinson's Disease

for Idiopathic Parkinson´s Disease

3 locations incl. Tucson

Sponsor: Kenai Therapeutics

Sex: All·Age: 45 - 75

Code: NCT07106021·Phase 1, Phase 2·Recruiting

Apply to this trial

Suvorexant for Treatment of AUD and PTSD

for Alcohol Use Disorder (AUD)

2 locations incl. Los Angeles

Sponsor: Pharmacotherapies for Alcohol and Substance Use Disorders Alliance

Sex: All·Age: 21 - 65

Code: NCT06679062·Phase 2·Recruiting

Apply to this trial

Study of Orally Administered MOMA-341 in Participants With Advanced or Metastatic Solid Tumors

for Advanced Solid Tumor

8 locations incl. San Diego

Sponsor: MOMA Therapeutics

Sex: All·Age: 18+

Code: NCT06974110·Phase 1·Recruiting

Apply to this trial