Paid Clinical Trials in California

California has 6,497 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 12, 2026.

Filter results

Filter results

State

City

Phase

Study type

Intervention

Recruitment status

Condition

Sex

Age

Healthy volunteers only

6,497 clinical trials

↓ Download CSV

A Study of Seltorexant as Monotherapy in Adults and Elderly Participants With Major Depressive Disorder

for Depressive Disorder, Major

Drug: Seltorexant

10 locations incl. Walnut Creek

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18 - 74

Code: NCT07573176·Phase 3·Recruiting

Apply to this trial

Prenatally-initiated Psychological Intervention for Mothers of Infants With Congenital Heart Disease (CHD)

for Congenital Heart Disease (CHD)

17 locations incl. Phoenix

Sponsor: Carelon Research

Sex: All·Age: 18+

Code: NCT07582861·Not Yet Recruiting

Applause Study I - Append System Early Feasibility Study

for Non Valvular Atrial Fibrillation

3 locations incl. Jonesboro

Sponsor: Append Medical Ltd.

Sex: All·Age: 18+

Code: NCT07278869·Recruiting

Apply to this trial

Effect of Ashwagandha Root Extract on Stress, Anxiety, and Sleep Quality in Adults Experiencing Minority Stress

for Minority Stress

1 location in San Francisco

Sponsor: SF Research Institute, Inc.

Sex: All·Age: 18 - 45·Accepts healthy volunteers

Code: NCT07441070·Recruiting

Apply to this trial

Efficacy and Safety of Shatavari Root Extract in Women's Sexual Wellness

for Sexual Wellness

1 location in San Francisco

Sponsor: SF Research Institute, Inc.

Sex: Female·Age: 20 - 50·Accepts healthy volunteers

Code: NCT07441083·Recruiting

Apply to this trial

Open-Label Safety Study of AXS-14 in Subjects With Fibromyalgia

for Fibromyalgia

8 locations incl. Santa Ana

Sponsor: Axsome Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT07637162·Phase 3·Enrolling By Invitation

U.S. Prospective Evaluation of EPIONE Device for Percutaneous MSK Procedures

for Bone Tumor

3 locations incl. San Diego

Sponsor: Precision IO Group

Sex: All·Age: 22+

Code: NCT07325578·Recruiting

Apply to this trial

A Study to Compare Setidegrasib (ASP3082) With Docetaxel, in People With Non-small Cell Lung Cancer With a KRAS G12D Mutation

for Non-small Cell Lung Cancer (NSCLC)

2 locations incl. Glendale

Sponsor: Astellas Pharma Global Development, Inc.

Sex: All·Age: 18+

Code: NCT07566052·Phase 3·Recruiting

Apply to this trial

A Clinical Study to Evaluate the Effects of NXT007 Compared to Emicizumab Prophylaxis in People With Hemophilia A

for Hemophilia A

Drug: NXT007

3 locations incl. Orange

Sponsor: Hoffmann-La Roche

Sex: All·Age: 12+

Code: NCT07416604·Phase 3·Recruiting

Apply to this trial

A Study to Evaluate ALN-AGT01 RVR in Adult Patients With Mild to Moderate Hypertension Pretreated With Zilebesiran

for Hypertension

Drug: Zilebesiran

3 locations incl. Lake Forest

Sponsor: Alnylam Pharmaceuticals

Sex: All·Age: 18 - 75

Code: NCT07553442·Phase 2·Recruiting

Apply to this trial

Safety and Efficacy of a Prebiotic Blend in Healthy Humans

for Healthy Adult Participants

1 location in West Hollywood

Sponsor: LOAM Science

Sex: All·Age: 18 - 60·Accepts healthy volunteers

Code: NCT07514741·Enrolling By Invitation

A Study to Assess Adverse Events, Tolerability and How a Single Oral Dose of Nacresertib Moves Through the Body In Healthy Adult Japanese Participants

for Healthy Volunteer

1 location in Anaheim

Sponsor: AbbVie

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

Code: NCT07600762·Phase 1·Not Yet Recruiting

Testing the Addition of Chemotherapy or Chemo-Immunotherapy to the Usual Surgery for Advanced Head and Neck Cancer

for Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8

51 locations incl. Tucson

Sponsor: National Cancer Institute (NCI)

Sex: All·Age: 18+

Code: NCT07195734·Phase 2·Recruiting

Apply to this trial

Phase 2 Study to Assess the Safety and Efficacy of ANG003

for Exocrine Pancreatic Insufficiency (EPI)

26 locations incl. Long Beach

Sponsor: Anagram Therapeutics, Inc.

Sex: All·Age: 12+

Code: NCT07450547·Phase 2·Recruiting

Apply to this trial

A Study to Evaluate the Use of Resmetirom in Participants With MASLD and HIV

for MASLD - Metabolic Dysfunction-Associated Steatotic Liver Disease

10 locations incl. Birmingham

Sponsor: Naga P. Chalasani

Sex: All·Age: 18+

Code: NCT07143968·Phase 2·Recruiting

Apply to this trial

PREcision MEDicine In Achalasia (PREMEDIA)

for Type I Achalasia

13 locations incl. Scottsdale

Sponsor: Northwestern University

Sex: All·Age: 18+

Code: NCT07293650·Phase 3·Recruiting

Apply to this trial

Efficacy, Safety, and PopPK Profile of ABP-745 in Patients With Atherosclerosis

for Atherosclerosis Cardiovascular Disease

4 locations incl. Beverly Hills

Sponsor: Atom Therapeutics Co., Ltd

Sex: All·Age: 18 - 75

Code: NCT07303777·Phase 2·Recruiting

Apply to this trial

Open-Label, Long-Term, Extension Study of Infigratinib in Children With Hypochondroplasia

for Hypochondroplasia

8 locations incl. Oakland

Sponsor: QED Therapeutics, a BridgeBio company

Sex: All·Age: 3 - 18

Code: NCT07393373·Phase 2·Enrolling By Invitation

PRESERVE: LUPKYNIS in Combination With Belimumab, Obinutuzumab or Anifrolumab in Patients With Lupus Nephritis

for Lupus Nephritis

10 locations incl. Los Alamitos

Sponsor: Aurinia Pharmaceuticals Inc.

Sex: All·Age: 18 - 75

Code: NCT07611214·Phase 4·Recruiting

Apply to this trial

L-Theanine to Support Relaxation and Mood for Cancer Patients in Surveillance

for Hematopoietic and Lymphatic System Neoplasm

4 locations incl. Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT07220447·EARLY_Phase 1·Recruiting

Apply to this trial

Donidalorsen Treatment in Children With Hereditary Angioedema

for Hereditary Angioedema (HAE)

5 locations incl. Santa Monica

Sponsor: Ionis Pharmaceuticals, Inc.

Sex: All·Age: 2 - 11

Code: NCT07298447·Phase 3·Recruiting

Apply to this trial

A Study to Evaluate the Safety, Tolerability, Pharmacodynamics, and Pharmacokinetics of RO7823653 in Participants With Diabetic Macular Edema (DME)

for Diabetic Macular Edema

Drug: RO7823653

8 locations incl. Peoria

Sponsor: Genentech, Inc.

Sex: All·Age: 18+

Code: NCT07425522·Phase 1·Recruiting

Apply to this trial

Mobile Vehicle-Based Delivery of Lenacapavir Pre-Exposure Prophylaxis in Los Angeles County

for HIV Prevention

1 location in Santa Monica

Sponsor: University of California, Los Angeles

Sex: All·Age: 18+

Code: NCT07467018·Recruiting

Apply to this trial

A Study of Guselkumab Versus Risankizumab in Participants With Moderately to Severely Active Crohn's Disease

for Crohn Disease

Drug: Risankizumab

17 locations incl. Dothan

Sponsor: Janssen Research & Development, LLC

Sex: All·Age: 18+

Code: NCT07499232·Phase 3·Recruiting

Apply to this trial

AMAZE 12: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight Maintain Their Weight Loss

for Obesity

Drug: NNC0487-0111

13 locations incl. Anniston

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18+

Code: NCT07503210·Phase 3·Recruiting

Apply to this trial

Sauna for Offline Connections and Interactive, Authentic Living

for Loneliness

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 19 - 22·Accepts healthy volunteers

Code: NCT07223099·Recruiting

Apply to this trial

A Study to Test Whether Different Doses of BI 3000202 Help People With Systemic Lupus Erythematosus (SLE)

for Systemic Lupus Erythematosus

Drug: BI 3000202

31 locations incl. Beverly Hills

Sponsor: Boehringer Ingelheim

Sex: All·Age: 18 - 74

Code: NCT07409181·Phase 2·Recruiting

Apply to this trial

Study to Evaluate Tulisokibart in Adults With Psoriatic Arthritis (MK-7240-015)

for Psoriatic Arthritis

Drug: Tulisokibart

15 locations incl. Sun City

Sponsor: Merck Sharp & Dohme LLC

Sex: All·Age: 18 - 80

Code: NCT07486960·Phase 2·Recruiting

Apply to this trial

RE104 Safety and Efficacy Study in Generalized Anxiety Disorder

for Generalized Anxiety Disorder

12 locations incl. Gilbert

Sponsor: Reunion Neuroscience Inc

Sex: All·Age: 18 - 74

Code: NCT07489651·Phase 2·Recruiting

Apply to this trial

AMAZE 6: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Knee Osteoarthritis Lose Weight and Reduce Pain

for Obesity

Drug: NNC0487-0111

19 locations incl. Escondido

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18+

Code: NCT07509307·Phase 3·Recruiting

Apply to this trial

Comparing Sarecycline and Doxycycline Effects on the Skin and Gut Bacteria in Acne.

for Acne Vulgaris

1 location in Sacramento

Sponsor: Integrative Skin Science and Research

Sex: All·Age: 9+·Accepts healthy volunteers

Code: NCT07544251·Phase 4·Recruiting

Apply to this trial

Evaluate the Safety and Efficacy of AGE Serum in Post-menopausal Patients on Hormone Replacement Therapy Taking Glucagon-like Peptide-1 Agonist

for Laxity

1 location in San Diego

Sponsor: Goldman, Butterwick, Fitzpatrick and Groff

Sex: Female·Age: 45 - 65·Accepts healthy volunteers

Code: NCT07558603·Not Yet Recruiting

Biofield Therapy for the Support of Immunotherapy-related Symptoms Among Adult Cancer Patients - A Pilot Study

for Cancer

2 locations incl. Irvine

Sponsor: University of California, Irvine

Sex: All·Age: 18+

Code: NCT07581080·Recruiting

Apply to this trial

Argus 2.0 Adoption Study

for Diabetes

1 location in San Mateo

Sponsor: KOS Inc.

Sex: All·Age: 18 - 75

Code: NCT07425236·Not Yet Recruiting

A Study of LY4584180 in Adult Participants With Previously Treated Blood Cancers

for Lymphoma, Non-Hodgkin's

Drug: LY4584180

21 locations incl. Scottsdale

Sponsor: Eli Lilly and Company

Sex: All·Age: 18+

Code: NCT07226843·Phase 1·Recruiting

Apply to this trial

The Synergistic Effects of Menopause and HIV on Cardiovascular Disease Risk in Women

for HIV

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: Female·Age: 18+

Code: NCT07284082·Recruiting

Apply to this trial

A Culturally Informed Patient Navigation Program (CFPN) to Reduce Delays Between Diagnosis and Treatment in American Indian and Alaska Native Cancer Patients Living in Rural California

for Hematopoietic and Lymphatic System Neoplasm

2 locations incl. Bishop

Sponsor: University of Southern California

Sex: All·Age: All ages·Accepts healthy volunteers

Code: NCT07332312·Recruiting

Apply to this trial

A Research Study Comparing How Well Different Doses of the Medicine NNC0662-0419 Lower Blood Sugar in People With Type 2 Diabetes

for Diabetes Mellitus, Type 2

Drug: NNC0662-0419

23 locations incl. Lancaster

Sponsor: Novo Nordisk A/S

Sex: All·Age: 18 - 75

Code: NCT07415954·Phase 2·Recruiting

Apply to this trial

A Study of Azenosertib (ZN-c3) Versus Investigator's Choice Chemotherapy in Subjects With Platinum-Resistant High-Grade Serous Ovarian, Primary Peritoneal, or Fallopian Tube Cancers Positive for Cyclin E1 Protein Expression

for Ovarian Cancer

11 locations incl. Phoenix

Sponsor: K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc

Sex: Female·Age: 18+

Code: NCT07546500·Phase 3·Recruiting

Apply to this trial

A Study to Evaluate the Efficacy and Safety of Hetrombopag Olamine Tablets Vs Placebo in Patients With Chemotherapy-Induced Thrombocytopenia

for Patients With Chemotherapy-Induced Thrombocytopenia

7 locations incl. Los Alamitos

Sponsor: Jiangsu HengRui Medicine Co., Ltd.

Sex: All·Age: 18+

Code: NCT07286032·Phase 3·Recruiting

Apply to this trial