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

Safety and Efficacy of ABP-745 in Participants With an Acute Gout Flare

for Acute Gouty Arthritis

14 locations incl. Peoria

Sponsor: Atom Therapeutics Co., Ltd

Sex: All·Age: 18 - 70

Code: NCT07145229·Phase 2·Recruiting

Apply to this trial

A Study to Investigate ALE.P03 as Monotherapy in Adult Patients With Selected Advanced or Metastatic CLDN1+ Solid Tumors

for Cervical Squamous Cell Carcinoma

8 locations incl. Phoenix

Sponsor: Alentis Therapeutics AG

Sex: All·Age: 18+

Code: NCT07169734·Phase 1, Phase 2·Recruiting

Apply to this trial

Developing Functional Connectivity-Guided TMS for Alcohol Use Disorder

for Alcohol Use Disorder

1 location in Palo Alto

Sponsor: VA Palo Alto Health Care System

Sex: All·Age: 25 - 75

Code: NCT06415721·Recruiting

Apply to this trial

Zanubrutinib in Combination With Sonrotoclax for the Treatment of Underrepresented Ethnic and Racial Minorities With Relapsed or Refractory B-cell Non-Hodgkin Lymphoma

for Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

Drug: Sonrotoclax

1 location in Duarte

Sponsor: City of Hope Medical Center

Sex: All·Age: 18+

Code: NCT06859008·Phase 1·Recruiting

Apply to this trial

855303-RNA Biomarker Validation

for Fractures, Bone

7 locations incl. Sacramento

Sponsor: University of Pennsylvania

Sex: All·Age: 18+

Code: NCT06872775·Enrolling By Invitation

An International Observational Study of Adults With Acute Infection

for Infectious Disease

19 locations incl. Tucson

Sponsor: University of Minnesota

Sex: All·Age: 18+

Code: NCT07069400·Recruiting

Apply to this trial

SLV-324 Treatment of Metastatic Solid Tumors

for Metastatic Solid Tumors

7 locations incl. Newport Beach

Sponsor: Solve Therapeutics

Sex: All·Age: 18+

Code: NCT07108114·Phase 1·Recruiting

Apply to this trial

BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies

for Healthy

114 locations incl. Birmingham

Sponsor: Pfizer

Sex: All·Age: 1 Day - 49·Accepts healthy volunteers

Code: NCT07160244·Phase 3·Recruiting

Apply to this trial

Transplantation of Clustered Regularly Interspaced Short Palindromic Repeats Modified Hematopoietic Progenitor Stem Cells (CRISPR_SCD001) in Patients With Severe Sickle Cell Disease

for Sickle Cell Disease

2 locations incl. Los Angeles

Sponsor: Mark Walters, MD

Sex: All·Age: 12 - 35

Code: NCT04774536·Phase 1, Phase 2·Recruiting

Apply to this trial

Study for Subjects With Relapsed/Refractory Non- Hodgkin Lymphoma

for Non Hodgkin's Lymphoma Refractory/Relapsed

2 locations incl. Newport Beach

Sponsor: ImmunityBio, Inc.

Sex: All·Age: 18+

Code: NCT05618925·Phase 1·Recruiting

Apply to this trial

Evaluating the Effectiveness of Clinical Practice Guideline Adherence for Patellofemoral Pain

for Patellofemoral Pain

1 location in San Diego

Sponsor: Sara Gorczynski, PT, DPT

Sex: All·Age: 18+

Code: NCT06665204·Recruiting

Apply to this trial

Telerehabilitation In The Home After Stroke

for Stroke

27 locations incl. Downey

Sponsor: University of California, Los Angeles

Sex: All·Age: 18 - 80

Code: NCT06682429·Recruiting

Apply to this trial

A Study to Assess Efficacy and Safety of Empasiprubart Versus IVIg in Adults With CIDP

for Chronic Inflammatory Demyelinating Polyneuropathy

11 locations incl. Rancho Mirage

Sponsor: argenx

Sex: All·Age: 18+

Code: NCT06920004·Phase 3·Recruiting

Apply to this trial

A Study of [225Ac]Ac-AKY-1189 in Patients With Solid Tumors

for Urothelial Carcinoma Bladder

9 locations incl. Duarte

Sponsor: Aktis Oncology, Inc.

Sex: All·Age: 18+

Code: NCT07020117·Phase 1·Recruiting

Apply to this trial

OCEAN(a)-PreEvent - Olpasiran Trials of Cardiovascular Events And LipoproteiN(a) Reduction to Prevent First Major Cardiovascular Events

for Cardiovascular Disease

Drug: Olpasiran

205 locations incl. Alexander City

Sponsor: Amgen

Sex: All·Age: 50 - 105

Code: NCT07136012·Phase 3·Recruiting

Apply to this trial

Neoadjuvant Nivolumab + Relatlimab (Opdualag) Versus Nivolumab for Resectable High-Risk Basal Cell Carcinoma

for Basal Cell Carcinoma

Drug: Relatlimab

3 locations incl. Irvine

Sponsor: University of California, San Diego

Sex: All·Age: 18+

Code: NCT06624475·Phase 2·Recruiting

Apply to this trial

Testing Higher Dose Radiation Therapy for Locally Advanced Pancreatic Cancer

for Locally Advanced Unresectable Pancreatic Ductal Adenocarcinoma

279 locations incl. Gilbert

Sponsor: NRG Oncology

Sex: All·Age: 18+

Code: NCT06958328·Phase 3·Recruiting

Apply to this trial

AGENT DCB STANCE: Safety and Effectiveness Study of AGENT Drug-Coated Balloon Compared to Standard of Care Percutaneous Coronary Intervention (PCI) Treatment for de Novo Coronary Lesions

for Coronary Arterial Disease (CAD)

42 locations incl. La Jolla

Sponsor: Boston Scientific Corporation

Sex: All·Age: 18+

Code: NCT06959524·Recruiting

Apply to this trial

Study of BHV-1300 in Graves' Disease

for Graves Disease

10 locations incl. South Gate

Sponsor: Biohaven Therapeutics Ltd.

Sex: All·Age: 18 - 65

Code: NCT06980649·Phase 1·Recruiting

Apply to this trial

A Clinical Trial to Evaluate Efficacy and Safety of Xeomin® Injections for Preventing Episodic Migraine

for Episodic Migraine

Drug: Xeomin

46 locations incl. Chandler

Sponsor: Merz Therapeutics GmbH

Sex: All·Age: 18+

Code: NCT07018700·Phase 3·Recruiting

Apply to this trial

A Clinical Trial to Evaluate Efficacy and Safety of Xeomin® Injections for Preventing Chronic Migraine

for Chronic Migraine

Drug: Xeomin

46 locations incl. Chandler

Sponsor: Merz Therapeutics GmbH

Sex: All·Age: 18+

Code: NCT07018713·Phase 3·Recruiting

Apply to this trial

A Multi-level Mother-daughter Physical Activity Intervention for Pre- Adolescent Latinas

for Physical Activity

1 location in San Diego

Sponsor: San Diego State University

Sex: Female·Age: 8 - 65·Accepts healthy volunteers

Code: NCT07088406·Recruiting

Apply to this trial

A Study to Evaluate the Effect of Moderate or Severe Hepatic Impairment on the Pharmacokinetics (PK) of Inavolisib

for Hepatic Impairment

4 locations incl. Lake Forest

Sponsor: Genentech, Inc.

Sex: All·Age: 18 - 80·Accepts healthy volunteers

Code: NCT07144111·Phase 1·Recruiting

Apply to this trial

Phase 3 Study of Taletrectinib vs Placebo as an Adjuvant Therapy in ROS1 Positive NSCLC (TRUST-IV)

for Non-small Cell Lung Cancer (NSCLC)

12 locations incl. Los Angeles

Sponsor: Nuvation Bio Inc.

Sex: All·Age: 18+

Code: NCT07154706·Phase 3·Recruiting

Apply to this trial

Vibrotactile Coordinated Reset for the Treatment of Post Surgery Refractory Parkinson's Disease Patients

for Parkinson Disease

1 location in Stanford

Sponsor: Stanford University

Sex: All·Age: 35 - 92

Code: NCT05558189·Not Yet Recruiting

Plexaa For Preconditioning: Gender Affirming Mastectomy

for Nipple Necrosis

1 location in Palo Alto

Sponsor: Plexaa Ltd

Sex: Female·Age: 18+

Code: NCT06502353·Recruiting

Apply to this trial

BID LTM Digital Intervention in Aging

for Long-Term Memory

1 location in San Francisco

Sponsor: University of California, San Francisco

Sex: All·Age: 60 - 85

Code: NCT06916221·Recruiting

Apply to this trial

ORION-1: Study of AVZO-023 as a Single Agent and in Combination With AVZO-021, and/or Endocrine Therapy in Advanced Solid Tumors

for HR+/HER2- Breast Cancer

14 locations incl. Los Angeles

Sponsor: Avenzo Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT06998407·Phase 1, Phase 2·Recruiting

Apply to this trial

Wearable Device and Behavioral Support for Enhancing Arm Use After Stroke

for Chronic Stroke Patients

1 location in Irvine

Sponsor: University of California, Irvine

Sex: All·Age: 18 - 84

Code: NCT07042152·Recruiting

Apply to this trial

A Study to Learn About the Study Medicine Called PF-08046876 in People With Advanced Solid Tumors

for Advanced/Metastatic Solid Tumors

21 locations incl. Duarte

Sponsor: Pfizer

Sex: All·Age: 18+

Code: NCT07090499·Phase 1·Recruiting

Apply to this trial

Testing the Addition of Paclitaxel Administered Into the Abdominal Cavity Combined With Chemotherapy for Patients With Gastric Cancer Spread to the Abdominal Cavity

for Gastric Adenocarcinoma

55 locations incl. Irvine

Sponsor: ECOG-ACRIN Cancer Research Group

Sex: All·Age: 18+

Code: NCT07001748·Phase 2, Phase 3·Recruiting

Apply to this trial

Intralesional Cyclosporine for Alopecia Areata

for Alopecia Areata

1 location in Sacramento

Sponsor: University of California, Davis

Sex: All·Age: 18 - 65

Code: NCT07029204·EARLY_Phase 1·Recruiting

Apply to this trial

Interleukin-15 to Promote Post-ART Control of HIV

for HIV

1 location in San Francisco

Sponsor: Michael Peluso, MD

Sex: All·Age: 18 - 70

Code: NCT07145164·Phase 2·Enrolling By Invitation

Implementing Food Referrals for Equity and Sustained Health

for Food Insecurity

2 locations incl. La Jolla

Sponsor: University of California, San Diego

Sex: All·Age: 5+·Accepts healthy volunteers

Code: NCT06661538·Phase 2·Recruiting

Apply to this trial

A Study to Assess the Efficacy of WSD0922-FU in Patients With C797S+ Advanced Non-small Cell Lung Cancer

for Non Small Cell Lung Cancer

8 locations incl. Oxnard

Sponsor: Wayshine Biopharm, Inc.

Sex: All·Age: 18+

Code: NCT06868485·Phase 2·Recruiting

Apply to this trial

An Open-label Extension Safety Study of MELAS Patients Who Completed TIS6463-203 (PRIZM)

for Mitochondrial Encephalopathy, Lactic Acidosis and Stroke-Like Episodes (MELAS Syndrome)

9 locations incl. La Jolla

Sponsor: Tisento Therapeutics

Sex: All·Age: All ages

Code: NCT06961344·Phase 2·Enrolling By Invitation

A Study Comparing Tarlatamab, Durvalumab, Carboplatin, and Etoposide Versus Durvalumab, Carboplatin, and Etoposide in First-line Extensive Stage Small-Cell Lung Cancer (ES-SCLC)

for Small-cell Lung Cancer

Drug: Durvalumab

44 locations incl. Casa Grande

Sponsor: Amgen

Sex: All·Age: 18 - 99

Code: NCT07005128·Phase 3·Recruiting

Apply to this trial

A Phase 1b/2 Study of CAR T Cell Therapy Targeting CD19 and BCMA in Participants With Relapsed or Refractory AL Amyloidosis.

for Relapsed AL Amyloidosis

12 locations incl. Phoenix

Sponsor: Alexion Pharmaceuticals, Inc.

Sex: All·Age: 18+

Code: NCT07081646·Phase 1, Phase 2·Recruiting

Apply to this trial

A Study to Investigate the Efficacy, Safety, and Pharmacokinetics of Oral Rilzabrutinib Compared With Placebo in Participants 18 Years of Age and Older With Warm Autoimmune Hemolytic Anemia

for Autoimmune Haemolytic Anaemia

23 locations incl. Phoenix

Sponsor: Sanofi

Sex: All·Age: 18+

Code: NCT07086976·Phase 3·Recruiting

Apply to this trial

A Study of XB371 Administered in Participants With Locally Advanced or Metastatic Solid Tumors

for Solid Tumors

9 locations incl. Rogers

Sponsor: Exelixis

Sex: All·Age: 18+

Code: NCT07123103·Phase 1·Recruiting

Apply to this trial