California is currently home to 5599 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.
A Study of I-DXd in Combination With Atezolizumab With or Without Carboplatin as First-Line Induction or Maintenance in Subjects With Extensive Stage-Small Cell Lung Cancer (IDeate-Lung03)
Recruiting
This study is designed to evaluate the safety and efficacy of ifinatamab deruxtecan (I-DXd) in combination with immune checkpoint inhibitor (ICI) atezolizumab with or without carboplatin in participants with extensive stage-small cell lung cancer (ES-SCLC) in the first-line (1L) setting.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: David Geffen School of Medicine, Los Angeles, California
Conditions: Extensive Stage-small Cell Lung Cancer
Treatment to Lift Facial Lax Skin and Improve Facial Wrinkles Using Precise and Lift Applicators
Recruiting
Open-label, non-randomized single-arm prospective, multi-center, self-controlled clinical study with masked evaluation.
Gender:
ALL
Ages:
Between 35 years and 80 years
Trial Updated:
05/12/2025
Locations: Costal Skin & Eye Institute, La Mesa, California
Conditions: Lax Skin
Enhancing Digitally Delivered Diabetes Education With Real-Time CGM
Recruiting
The current research study will add continuous glucose monitoring devices to the evidence-based text messaging diabetes education program for patients with type 2 diabetes for 6 months. Results on the effectiveness of this intervention will be compared for non-insulin using patients.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: Scripps Whittier Diabetes Institute, San Diego, California
Conditions: Diabetes Type 2
A Study Assessing Adverse Event and How Oral ABBV-453 Moves Through the Body in Adult Participants With Relapsed or Refractory (R/R) Chronic Lymphocytic Leukemia (CLL)/Small Lymphocytic Lymphoma (SLL)
Recruiting
Chronic lymphocytic leukemia (CLL) is the most common leukemia in Western countries. The purpose of this study is to assess how well ABBV-453 works adult participants with relapsed/refractory (R/R) untreated CLL/small lymphocytic lymphoma (SLL). Adverse events, pharmacokinetics, and change in disease activity will be assessed. ABBV-453 is an investigational drug for the treatment of CLL and SLL. There are 2 parts to this study. In part A participants will be placed 1 of 5 cohorts with a specifi... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: City of Hope /ID# 253904, Duarte, California
Conditions: Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
An Open-label Study to Investigate ECUR-506 in Male Babies Less Than 9 Months of Age With Neonatal Onset OTC Deficiency (OTC-HOPE)
Recruiting
Ornithine Transcarbamylase (OTC) deficiency, the most common urea cycle disorder, is an inherited metabolic disorder caused by a genetic defect in a liver enzyme responsible for detoxification of ammonia. Individuals with OTC deficiency can build-up excess levels of ammonia in their blood, potentially resulting in devastating consequences, including cumulative and irreversible neurological damage, coma and death. The severe form of the condition emerges shortly after birth and is more common in... Read More
Gender:
MALE
Ages:
Between 24 hours and 7 months
Trial Updated:
05/12/2025
Locations: UCLA Mattel Children's Hospital, Los Angeles, California
Conditions: Ornithine Transcarbamylase Deficiency, Ornithine Transcarbamylase Deficiency Disease, Ornithine Carbamoyltransferase Deficiency (Disorder), Urea Cycle Disorders, Inborn
A Study to Evaluate the Safety and Tolerability of Maximal Use Ruxolitinib Cream
Recruiting
This study is being conducted to determine the safety and tolerability of ruxolitinib 1.5% cream under maximal use conditions in participants with Prurigo Nodularis (PN).
Gender:
ALL
Ages:
Between 18 years and 65 years
Trial Updated:
05/12/2025
Locations: First Oc Dermatology, Fountain Valley, California
Conditions: Prurigo Nodularis
The REBALANCE Study - a Prospective, Multicenter, Randomized, Pivotal Study of the May Health System
Recruiting
A Prospective, Multicenter, Randomized, Pivotal Study of the May Health System in Transvaginal Ablation of Ovarian Tissue under Ultrasound Guidance in Women with Infertility due to Polycystic Ovary Syndrome
Gender:
FEMALE
Ages:
Between 18 years and 40 years
Trial Updated:
05/12/2025
Locations: UCSF Center for Reproductive Health, San Francisco, California
Conditions: Polycystic Ovary Syndrome, Infertility, Female
Neoadjuvant Chemotherapy, Excision And Observation vs Chemoradiotherapy For Rectal Cancer
Recruiting
This study is being done to answer the following questions: Is the chance of rectal cancer responding the same if chemotherapy alone is given before limited surgery compared to chemotherapy and radiation therapy given together before limited surgery? If radiation therapy is not given, is quality of life better?
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care, Irvine, California
Conditions: Rectal Cancer
A Study of Ifinatamab Deruxtecan Versus Treatment of Physician's Choice in Subjects With Relapsed Small Cell Lung Cancer
Recruiting
This study was designed to compare the efficacy and safety of I-DXd with treatment of physician's choice in participants with relapsed small cell lung cancer (SCLC).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: Clinical Research Providence Medical Foundation, Fullerton, California
Conditions: Small Cell Lung Cancer
A Study of HER3-DXd in Subjects With Locally Advanced or Metastatic Solid Tumors
Recruiting
This is a proof-of-concept study designed to investigate HER3-DXd monotherapy in locally advanced or metastatic solid tumors. The study is enrolling cohorts of participants with melanoma \[cutaneous/acral\], squamous cell carcinomas of the head and neck (SCCHN), and HER2-negative gastric cancerovarian carcinoma, cervical cancer, endometrial cancer, bladder cancer, esophageal carcinoma, pancreatic carcinoma, and prostate cancer.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: City of Hope, Duarte, California
Conditions: Advanced Solid Tumor, Melanoma, Head and Neck Cancer, Gastric Cancer, Ovarian Carcinoma, Cervical Cancer, Endometrial Cancer, Bladder Cancer, Esophageal Cancer, Pancreatic Carcinoma, Prostate Cancer
A Pivotal Investigational Device Exemption Study on Laminar Left Atrial Appendage Elimination
Recruiting
The purpose of this study is to compare the safety and effectiveness of Laminar Left Atrial Appendage Closure (LAAC) device as compared to the commercially available LAAC devices in participants with non-valvular atrial fibrillation (NVAF) to reduce the risk of stroke (blocked blood vessel or bleeding in brain) and systemic embolism (blockage in a blood vessel harming vital organs).
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: Cedars Sinai Medical Center, Los Angeles, California
Conditions: Non-valvular Atrial Fibrillation, Stroke, Systemic Embolism
Safety, Tolerability, and Distribution of Laquinimod Eye Drops : The LION Study
Recruiting
The LION Study is a prospective, single-center phase 1 clinical trial to evaluate the safety, tolerability, and distribution of Laquinimod administered as topical eye drops for two weeks in human participants.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/12/2025
Locations: Spencer Center for Vision Research at the Byers Eye Institute, Palo Alto, California
Conditions: Uveitis, Inflammation