California is currently home to 5602 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.
Clinical Trial of Upfront Haploidentical or Unrelated Donor BMT to Restore Normal Hematopoiesis in Aplastic Anemia
NCT06517641
Recruiting
BMT CTN 2207 will investigate the use of marrow transplantation for treatment of severe aplastic anemia that has not previously been treated.
Gender:
ALL
Ages:
Between 3 years and 75 years
Trial Updated:
07/28/2025
Locations: City of Hope, Duarte, California
Conditions: Severe Aplastic Anemia
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A Phase 3 Study to Evaluate Petosemtamab Compared With Investigator's Choice Monotherapy in Previously Treated Head and Neck Squamous Cell Carcinoma Patients
NCT06496178
Recruiting
This is a phase 3 open-label, randomized, controlled, multicenter study to compare petosemtamab vs investigator's choice monotherapy in HNSCC patients for the second- and third-line treatment of incurable metastatic/recurrent disease.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Site 82, Duarte, California
Conditions: Head and Neck Squamous Cell Carcinoma
Register for Updates
Trial of Therapeutic Cancer Vaccine OSE2101 in Patients With Non-Small Cell Lung Cancer and Secondary Resistance to Immune Checkpoint Inhibitor
NCT06472245
Recruiting
Multicenter, randomized (2:1), open-label phase 3 study in HLA-A2 positive patients with squamous and non-squamous metastatic NSCLC with ICI secondary resistance. Patients will be randomized into 2 arms (randomization 2:1): experimental Arm A with OSE2101 monotherapy or control Arm B SoC with docetaxel monotherapy. Stratification factors will be histology (squamous versus non squamous) and ECOG Performance Status (0 versus 1).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Clinical Research Advisors, LLC, Beverly Hills, California
Conditions: Patients With Non-Small Cell Lung Cancer
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Confirmatory Study of Topical HyBryte™ vs. Placebo for the Treatment of CTCL
NCT06470451
Recruiting
To evaluate the use of HyBryte, a topical photosensitizing agent, to treat patients with patch/plaque phase cutaneous T-cell lymphoma (mycosis fungoides).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Therapeutics Clinical Research, San Diego, California
Conditions: CTCL/ Mycosis Fungoides, CTCL, Mycosis Fungoides, Cutaneous T Cell Lymphoma
Register for Updates
ADVENT Post Approval Study
NCT06431815
Recruiting
The ADVENT Post Approval Study (PAS) is a prospective, global, multicenter, observational study.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Alta Bates Summit Medical Center, Oakland, California
Conditions: Paroxysmal Atrial Fibrillation
Register for Updates
A Study Describing the Efficacy and Safety of Belimumab Administered in Adult Participants With Early Systemic Lupus Erythematosus (SLE)
NCT06411249
Recruiting
This is a prospective, open-label, single arm 3-year clinical study to describe the short-term and long-term efficacy and safety of belimumab in participants with autoantibody positive early SLE with ongoing disease activity despite stable initial SLE therapy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: GSK Investigational Site, Covina, California
Conditions: Systemic Lupus Erythematosus
Register for Updates
A Study of Barzolvolimab in Patients With Prurigo Nodularis
NCT06366750
Recruiting
The purpose of this study is to assess the efficacy and safety of barzolvolimab in adults with prurigo nodularis.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Center for Dermatology Clinical Research, Inc, Fremont, California
Conditions: Prurigo Nodularis
Register for Updates
Open-label, Long-term Safety Study of Secukinumab in Polymyalgia Rheumatica (PMR)
NCT06331312
Recruiting
The purpose of this extension study is to assess the safety and tolerability of secukinumab when administered long-term in patients with polymyalgia rheumatica.
Gender:
ALL
Ages:
Between 50 years and 100 years
Trial Updated:
07/28/2025
Locations: Orrin Troum MD and Medical Associates, Santa Monica, California
Conditions: Polymyalgia Rheumatica
Register for Updates
Two-period Crossover Study to Demonstrate the Comparability of Pharmacokinetics of Subcutaneous Ianalumab Between 2mL Auto-injector/2mL PFS with1mL Pre-filled Syringe in Adult Participants With Autoimmune Disease
NCT06293365
Recruiting
The purpose of this study is to demonstrate the comparability of ianalumab exposure following the sub-cutaneous (s.c.) administration of one injection of 300 mg/2 mL auto-injector (AI) versus two injections of 150 mg/1 mL pre-filled syringe (PFS), and to evaluate the safety and tolerability of ianalumab following the s.c. administration of both devices in participants with rheumatoid arthritis (RA), Sjögren's disease (SjD), or systemic lupus erythematosus (SLE). A second cohort will be included... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
07/28/2025
Locations: Providence Medical Foundation, Fullerton, California
Conditions: Sjögrens Disease, Systemic Lupus Erythematosus, Rheumatoid Arthritis
Register for Updates
225Ac-DOTA-Anti-CD38 Daratumumab Monoclonal Antibody With Fludarabine, Melphalan and Total Marrow and Lymphoid Irradiation as Conditioning Treatment for Donor Stem Cell Transplant in Patients With High-Risk Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia and Myelodysplastic Syndrome
NCT06287944
Recruiting
This phase I trial tests the safety, side effects, best dose, and effectiveness of 225Ac-DOTA-Anti-CD38 daratumumab monoclonal antibody in combination with fludarabine, melphalan and total marrow and lymphoid irradiation (TMLI) as conditioning treatment for donor stem cell transplant in patients with high-risk acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL) and myelodysplastic syndrome (MDS). Daratumumab is in a class of medications called monoclonal antibodies. It binds to a pr... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: City of Hope Medical Center, Duarte, California
Conditions: Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Myelodysplastic Syndrome
Register for Updates
Contrast Enhanced Ultrasound Medical Imaging for Identifying Breast Masses
NCT06171607
Recruiting
This clinical trial investigates the role of contrast enhanced ultrasound (CEUS) in identifying cystic breast masses as benign or malignant. Ultrasound is a diagnostic imaging test that uses sound waves to make pictures of the body without using radiation (x-rays). Ultrasounds are widely used to diagnose many diseases in the body. This trial may help researchers learn if using CEUS will help in determining whether or not an ultrasound guided biopsy is necessary.
Gender:
FEMALE
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Los Angeles County-USC Medical Center, Los Angeles, California
Conditions: Breast Carcinoma
Register for Updates
POLARx Post Approval Study (POLARx PAS)
NCT06170606
Recruiting
To collect clinical data on safety, effectiveness and procedural success of Boston Scientific's Cardiac Cryoablation System (includes all BSC commercially available POLARx/POLARx Fit catheters) when used to perform pulmonary vein isolation (PVI) in the ablation treatment of de novo Atrial Fibrillation (AF).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
07/28/2025
Locations: Torrance Memorial Medical Center, Torrance, California
Conditions: Paroxysmal Atrial Fibrillation
Register for Updates