Paid Clinical Trials in California

California has 6,384 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: July 25, 2026.

Filter results

Filter results

State

City

Recruitment status

Phase

Study type

Intervention

Condition

Sex

Age

Healthy volunteers only

5,286 clinical trials

↓ Download CSV

Sleep and Morning Wellbeing Study

for Sleep

1 location in San Francisco

Sponsor: Athletic Greens International

Sex: All·Age: 22 - 59·Accepts healthy volunteers

Code: NCT07311434·Recruiting·Listed Dec 2025

Apply to this trial

A Study Comparing KB803 and Matched Placebo in Patients With Dystrophic Epidermolysis Bullosa

for Dystrophic Epidermolysis Bullosa

Sites in Rancho Santa Margarita +4 more locations

Sponsor: Krystal Biotech, Inc.

Sex: All·Age: 6 Months+

Code: NCT07016750·Phase 3·Recruiting·Listed Jun 2025

Apply to this trial

SMP-3124LP in Adults With Advanced Solid Tumors

for Solid Tumor

Sites in Los Angeles +7 more locations

Sponsor: Sumitomo Pharma America, Inc.

Sex: All·Age: 18+

Code: NCT06526819·Phase 1, Phase 2·Recruiting·Listed Jul 2024

Apply to this trial

Accuracy Evaluation of the Owlet OSS 3.0-M1 Sensor in Toddlers and Preschoolers

for Healthy

1 location in San Francisco

Sponsor: Owlet Baby Care, Inc.

Sex: All·Age: 19 Months - 60 Months·Accepts healthy volunteers

Code: NCT07321938·Recruiting·Listed Jan 2026

Apply to this trial

A Study Evaluating OBI-902 in Participants With Advanced Solid Tumors

for Advanced Solid Tumor

Sites in La Jolla +2 more locations

Sponsor: OBI Pharma, Inc

Sex: All·Age: 18+

Code: NCT07124117·Phase 1, Phase 2·Recruiting·Listed Aug 2025

Apply to this trial

Safety and Immunogenicity of Innocell Autologous Cellular Immunotherapy for Recurrent Epithelial Ovarian Cancer

for Ovarian Cancer

1 location in Duarte

Sponsor: PhotonPharma, Inc.

Sex: Female·Age: 18+

Code: NCT06366490·Phase 1·Recruiting·Listed Apr 2024

Apply to this trial

Allogeneic HB-adMSCs vs Placebo for the Treatment of Acute Kidney Injury

for Acute Kidney Injury

Sites in San Francisco +2 more locations

Sponsor: Hope Biosciences LLC

Sex: All·Age: 18 - 75

Code: NCT06654193·Phase 1, Phase 2·Recruiting·Listed Oct 2024

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

Sites in Los Angeles +2 more locations

Sponsor: Kenai Therapeutics

Sex: All·Age: 45 - 75

Code: NCT07106021·Phase 1, Phase 2·Recruiting·Listed Aug 2025

Apply to this trial

Observational Study Evaluating the Efficacy and Safety of Zanubrutinib in Participants With Waldenström Macroglobulinemia

for Waldenstrom Macroglobulinemia

Sites in Duarte, Glendale +5 more locations

Sponsor: BeiGene

Sex: All·Age: 18+

Code: NCT05640102·Recruiting·Listed Dec 2022

Apply to this trial

Autologous Hair Follicle Secretome for Androgenic Alopecia (Single Site)

for Androgenic Alopecia

1 location in West Hollywood

Sponsor: Acorn Biolabs Inc.

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

Code: NCT07107841·Recruiting·Listed Aug 2025

Apply to this trial

A Study to Assess the Long-term Safety and Clinical Activity of mRNA-3927 in Participants Previously Enrolled in the mRNA-3927-P101 Study

for Propionic Acidemia

Sites in Los Angeles, Palo Alto +5 more locations

Sponsor: ModernaTX, Inc.

Sex: All·Age: 1+

Code: NCT05130437·Phase 1, Phase 2·Recruiting·Listed Nov 2021

Apply to this trial

A Study to Assess Sulbactam-durlobactam in Pediatric Patients With Acinetobacter Baumannii-calcoaceticus Complex Infection

for Acinetobacter Baumannii-calcoaceticus Complex Infection (ABC)

Sites in Los Angeles, San Diego +2 more locations

Sponsor: Innoviva Specialty Therapeutics

Sex: All·Age: 1 Day - 18

Code: NCT06801223·Phase 1·Recruiting·Listed Jan 2025

Apply to this trial

Post Marketing Study of MagnetOs Easypack Putty Standalone Compared to Demineralized Bone Matrix or Fibers Mixed With Autograft in Patients Undergoing Posterolateral Lumbar Fusion

for Degenerative Disc Disease

Sites in Irvine +5 more locations

Sponsor: Kuros Biosurgery AG

Sex: All·Age: 18+

Code: NCT04679844·Recruiting·Listed Dec 2020

Apply to this trial

A Trial of LNS8801 With or Without Pembrolizumab in Patients With Refractory Melanoma

for Melanoma (Skin Cancer)

Sites in San Francisco, Stanford +7 more locations

Sponsor: Linnaeus Therapeutics, Inc.

Sex: All·Age: 18+

Code: NCT06624644·Phase 2, Phase 3·Recruiting·Listed Oct 2024

Apply to this trial

Phase 2 Pilot Study of the Safety and Efficacy of Topical MW-III in Thermal Burns

for Burns

Sites in Sacramento +3 more locations

Sponsor: Skingenix, Inc.

Sex: All·Age: 18+

Code: NCT01297400·Phase 2·Recruiting·Listed Feb 2011

Apply to this trial

MagDI U.S. Registry

for Anastomosis, Surgical

Sites in Ventura +4 more locations

Sponsor: GT Metabolic Solutions, Inc.

Sex: All·Age: 22+

Code: NCT06928545·Recruiting·Listed Apr 2025

Apply to this trial

A Study of BMS-986482 Alone or as Combination Therapy in Participants With Advanced Solid Tumors

for Advanced Solid Tumors

Sites in Los Angeles, Irvine +5 more locations

Sponsor: Bristol-Myers Squibb

Sex: All·Age: 18+

Code: NCT06697197·Phase 1, Phase 2·Recruiting·Listed Nov 2024

Apply to this trial

ResQ133A-NMIBC: Intravesical Recombinant Mycobacterium (rMBCG) in Participants With NMIBC Eligible to Receive Intravesical Tice BCG

for NMIBC

Sites in Sacramento +8 more locations

Sponsor: ImmunityBio, Inc.

Sex: All·Age: 18 - 85

Code: NCT06800963·Phase 1, Phase 2·Recruiting·Listed Jan 2025

Apply to this trial

A Study of D3S-001 Monotherapy or Combination Therapy in Subjects With Advanced Solid Tumors With a KRAS p.G12C Mutation

for KRAS P.G12C

Sites in Palo Alto, Orange +5 more locations

Sponsor: D3 Bio (Wuxi) Co., Ltd

Sex: All·Age: 18+

Code: NCT05410145·Phase 1, Phase 2·Recruiting·Listed Jun 2022

Apply to this trial

First To Know Pregnancy Test - Clinical Evaluation Protocol

for Pregnancy Detection

Sites in Los Angeles +1 more location

Sponsor: NOWDiagnostics, Inc.

Sex: Female·Age: 14+·Accepts healthy volunteers

Code: NCT07304531·Recruiting·Listed Dec 2025

Apply to this trial

A Mechanistic Study of MAR001 in Adults With Elevated Triglycerides and Remnant Cholesterol

for Hypertriglyceridemia

1 location in Chula Vista

Sponsor: Marea Therapeutics

Sex: All·Age: 18 - 75

Code: NCT07199309·Phase 2·Recruiting·Listed Sep 2025

Apply to this trial

A Study to Evaluate the Safety of AB-1003 (Previously LION-101) in Subjects With Genetic Confirmation of LGMD2I/R9 (Part1)

for Limb Girdle Muscular Dystrophy

Sites in Irvine +5 more locations

Sponsor: AskBio Inc

Sex: All·Age: 18 - 65

Code: NCT05230459·Phase 1, Phase 2·Recruiting·Listed Feb 2022

Apply to this trial

Gene Therapy Trial for Otoferlin Gene-mediated Hearing Loss

for Sensorineural Hearing Loss, Bilateral

Sites in San Francisco +5 more locations

Sponsor: Akouos, Inc.

Sex: All·Age: All ages

Code: NCT05821959·Phase 1, Phase 2·Recruiting·Listed Apr 2023

Apply to this trial

A Phase 1 Study of STX-0712 in Patients With Advanced Hematological Malignancies (CMML and AML)

for Chronic Myelomonocytic Leukemia

Sites in Stanford +6 more locations

Sponsor: Solu Therapeutics, Inc

Sex: All·Age: 18+

Code: NCT06950034·Phase 1·Recruiting·Listed Apr 2025

Apply to this trial

GORE® ENFORM Biomaterial Product Study

for Hernia, Ventral

Sites in San Diego +8 more locations

Sponsor: W.L.Gore & Associates

Sex: All·Age: 18+

Code: NCT04718168·Recruiting·Listed Jan 2021

Apply to this trial

Effect of Amnio-Maxx on the Healing Rate of Chronic Diabetic Foot Ulcers.

for Diabetic Foot Ulcer (DFU)

Sites in Burbank +7 more locations

Sponsor: Royal Biologics

Sex: All·Age: 18+

Code: NCT07209475·Phase 4·Recruiting·Listed Oct 2025

Apply to this trial

A Study of Ifinatamab Deruxtecan in Subjects With Pretreated Advanced or Metastatic Esophageal Squamous Cell Carcinoma (ESCC) (IDeate-Esophageal01)

for Esophageal Squamous Cell Carcinoma

Sites in Fullerton +5 more locations

Sponsor: Daiichi Sankyo

Sex: All·Age: 18+

Code: NCT06644781·Phase 3·Recruiting·Listed Oct 2024

Apply to this trial

A Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of ALD-102 Solution in Subjects With Alopecia Areata

for Alopecia Areata (AA)

Sites in Thousand Oaks +3 more locations

Sponsor: Aldena Therapeutics

Sex: All·Age: 18 - 55

Code: NCT06826196·Phase 1, Phase 2·Recruiting·Listed Feb 2025

Apply to this trial

A Study to Evaluate the Safety of a Delivery Device for Administering LCTOPC1 in Participants With Spinal Cord Injury

for Spinal Cord Injury Cervical

Sites in La Jolla & Downey

Sponsor: Lineage Cell Therapeutics, Inc.

Sex: All·Age: 18 - 65

Code: NCT06841770·Phase 1·Recruiting·Listed Feb 2025

Apply to this trial

A Study of Selinexor Monotherapy in Subjects With JAK Inhibitor-naïve Myelofibrosis and Moderate Thrombocytopenia

for Myelofibrosis

Drug: Selinexor

Sites in Duarte +6 more locations

Sponsor: Karyopharm Therapeutics Inc

Sex: All·Age: 18+

Code: NCT05980806·Phase 2·Recruiting·Listed Aug 2023

Apply to this trial

Study of ATX-01 in Participants With DM1

for Myotonic Dystrophy 1

Sites in Los Angeles +4 more locations

Sponsor: ARTHEx Biotech S.L.

Sex: All·Age: 18 - 64

Code: NCT06300307·Phase 1, Phase 2·Recruiting·Listed Mar 2024

Apply to this trial

Global Patient Registry to Monitor Long-term Safety and Effectiveness of Increlex® in Children and Adolescents With Severe Primary Insulin-like Growth Factor-1 Deficiency (SPIGFD).

for IGF1 Deficiency

Sites in Orange +4 more locations

Sponsor: Esteve Pharmaceuticals, S.A.

Sex: All·Age: 2 - 18

Code: NCT00903110·Recruiting·Listed May 2009

Apply to this trial

A Study of MGC026 in Participants With Advanced Solid Tumors

for Advanced Solid Tumor

Sites in Los Angeles +6 more locations

Sponsor: MacroGenics

Sex: All·Age: 18+

Code: NCT06242470·Phase 1·Recruiting·Listed Feb 2024

Apply to this trial

A Study Evaluating the Safety and Efficacy of PRV111, PRV211, and PRV131 in Subjects With Oral and Lung Cancers

for Oral Squamous Cell Carcinoma

Sites in Duarte +3 more locations

Sponsor: Privo Technologies

Sex: All·Age: 18 - 100

Code: NCT05893888·Phase 2, Phase 3·Recruiting·Listed Jun 2023

Apply to this trial

A Study to Assess BMS-986460 in Participants With Metastatic Castration-resistant Prostate Cancer

for Metastatic Castration-resistant Prostate Cancer

Sites in Palo Alto +6 more locations

Sponsor: Bristol-Myers Squibb

Sex: Male·Age: 18+

Code: NCT06067841·Phase 1·Recruiting·Listed Oct 2023

Apply to this trial

The Effect of Kinisoquin™ on Thromboembolic Events in Patients With Metastatic or Locally Advanced Pancreatic Cancer

for Venous Thromboembolism

Sites in Ventura +2 more locations

Sponsor: Quercis Pharma AG

Sex: All·Age: 18+

Code: NCT06861088·Phase 3·Recruiting·Listed Mar 2025

Apply to this trial

Trial to Visualize the Ureters With Nizaracianine Triflutate in Adults Undergoing Abdominopelvic Surgery

for Injury of Ureter During Surgery (Disorder)

Sites in Los Angeles, Redwood City +3 more locations

Sponsor: Curadel Surgical Innovations, Inc.

Sex: All·Age: 18+

Code: NCT06101745·Phase 2, Phase 3·Recruiting·Listed Oct 2023

Apply to this trial

Silicone Gel vs. Estrogen Vaginal Cream for the Management of Genitourinary Syndrome of Menopause

for Genitourinary Syndrome of Menopause

Sites in Laguna Hills +2 more locations

Sponsor: Stratpharma AG

Sex: Female·Age: 18+

Code: NCT05672901·Recruiting·Listed Jan 2023

Apply to this trial

A Study of KK2269 in Adult Participants With Solid Tumors

for Non Small Cell Lung Cancer

Sites in Duarte, Newport Beach +5 more locations

Sponsor: Kyowa Kirin Co., Ltd.

Sex: All·Age: 18+

Code: NCT06266299·Phase 1·Recruiting·Listed Feb 2024

Apply to this trial

BI-1808 as a Single Agent and With Pembrolizumab (KEYTRUDA® ) in Treatment of Advanced Malignancies(Keynote-D20)

for Advanced Malignancies

Sites in Duarte +2 more locations

Sponsor: BioInvent International AB

Sex: All·Age: 18+

Code: NCT04752826·Phase 1, Phase 2·Recruiting·Listed Feb 2021

Apply to this trial