California is currently home to 5581 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 to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 2
Recruiting
The purpose of this study is to measure the safety and decrease in sleepiness in subjects with narcolepsy type 2 (NT2) when taking ALKS 2680 tablets compared to placebo tablets.
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
05/20/2025
Locations: Alkermes Investigator Site, Los Angeles, California
Conditions: Narcolepsy Type 2
Open-label Study to Assess Reduction of Background Asthma Medication While Sustaining Asthma Control and Clinical Remission With Tezepelumab in Patients 12-80yrs With Severe Asthma.
Recruiting
The objective of this study is to assess the potential for tezepelumab-treated patients (subcutaneous administration) to reduce maintenance therapy without loss of asthma control in adolescent and adults with severe asthma.. Study details include: 1. The study duration will be up to 72 weeks. 2. The treatment duration will be up to 68 weeks. 3. The visit frequency will be once every 4 weeks (Q4W).
Gender:
ALL
Ages:
Between 12 years and 80 years
Trial Updated:
05/20/2025
Locations: Research Site, Palmdale, California
Conditions: Severe Asthma
Non-interventional Study of Patients With Transthyretin (ATTR) Amyloidosis
Recruiting
The MaesTTRo study aims to enroll a global cohort of patients with transthyretin (ATTR) amyloidosis to longitudinally observe the natural course of the disease and describe real-world treatment patterns and outcomes. In addition, information on the effectiveness of ATTR amyloidosis treatments, including eplontersen, which is a ligand-conjugated antisense oligonucleotide gene silencing treatment targeting activity against both the mutant and wild-type TTR protein, will be collected.
Gender:
ALL
Ages:
Between 18 years and 130 years
Trial Updated:
05/20/2025
Locations: Research Site, La Jolla, California
Conditions: Transthyretin Amyloidosis, ATTR-CM, ATTRv-PN, ATTR, ATTR-Mixed, hATTR
A Study to Evaluate Pharmacokinetics of LY3209590 in Pediatric Participants With Type 2 Diabetes Mellitus
Recruiting
The main purpose of this study is to evaluate how much of LY3209590 gets into the blood stream after a single dose and how long it takes the body to remove it in pediatric participants with Type 2 Diabetes Mellitus (T2DM). The study will last for approximately 100 days.
Gender:
ALL
Ages:
Between 10 years and 17 years
Trial Updated:
05/20/2025
Locations: Children's Hospital Los Angeles, Los Angeles, California
Conditions: Type 2 Diabetes Mellitus
A Study to Test the Efficacy and Safety of Riliprubart Against the Usual Treatment of Intravenous Immunoglobulin (IVIg) in People With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Recruiting
The purpose of the study is to evaluate efficacy of riliprubart compared to IVIg in adult participants with CIDP who are receiving maintenance treatment with IVIg. The study duration will be for a maximum of 109 weeks including screening, treatment phases, and follow-up.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Keck School of Medicine of University of Southern California- Site Number : 8400002, Los Angeles, California
Conditions: Chronic Inflammatory Demyelinating Polyneuropathy
A Phase I/II, Dose Finding and Optimization Study of [177Lu]Lu-NeoB in Combination With Capecitabine in Patients With GRPR+, ER+, HER2- Metastatic Breast Cancer After Progression on Previous Endocrine Therapy in Combination With a CDK4/6 Inhibitor.
Recruiting
In the phase I part, to determine the recommended doses (RD) and dosing regimens of \[177Lu\]Lu-NeoB in combination with capecitabine in adult patients with gastrin releasing peptide receptor positive, estrogen receptor-positive, human epidermal growth factor receptor-2 negative metastatic breast cancer after progression on previous endocrine therapy in combination with a CDK4/6 inhibitor. In the phase II part, to evaluate the preliminary anti-tumor activity of two different doses/regimens of \[... Read More
Gender:
ALL
Ages:
Between 18 years and 100 years
Trial Updated:
05/20/2025
Locations: UCLA Medical Center, Los Angeles, California
Conditions: Breast Cancer
A Study to Evaluate the Efficacy and Safety of Subcutaneous Amlitelimab on Background Topical Corticosteroids Therapy in Participants Aged 12 Years and Older With Moderate-to-severe AD Who Have Had an Inadequate Response to Prior Biologic Therapy or an Oral JAK Inhibitor
Recruiting
This is a parallel group, Phase 3, multinational, multicenter, randomized, double-blind, placebo-controlled, 3-arm study for treatment of participants diagnosed with moderate-to-severe AD on background TCS who have had inadequate response to prior biologic or oral JAKi therapy. The purpose of this study is to measure the efficacy and safety of treatment with amlitelimab solution for subcutaneous (SC) injection compared with placebo in participants with moderate-to-severe AD aged 12 years and ol... Read More
Gender:
ALL
Ages:
12 years and above
Trial Updated:
05/20/2025
Locations: Encino Research Center- Site Number : 8401042, Encino, California
Conditions: Dermatitis Atopic
First-in-Human Study of OKI-219 in Advanced Solid Tumors and Advanced Breast Cancer
Recruiting
OKI-219-101 is a Phase 1a/1b, open-label, multicenter, dose-escalation study designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PDx), and efficacy of OKI-219 as monotherapy and in combination with fulvestrant or trastuzumab. Phase 1a (Part A) will investigate escalating doses of OKI-219 monotherapy, and Phase 1b will investigate OKI-219 (at a tolerated dose determined in Part A) in combination with standard dose fulvestrant (Part B) or standard dose trastuzum... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: California Cancer Associates for Research and Excellence, Encinitas, California
Conditions: Advanced Cancer, Breast Cancer
Evaluating a New Mental Health Group for Asians and Asian Americans
Recruiting
This study's overarching aim is to evaluate a new psychoeducation and process group for Asian and Asian American psychiatric outpatients. This is a 12 week mental health group which will focus on both educational content related to Asian mental health as well as increasing connection between group members. We hypothesize that participants in the group will experience a decrease in psychiatric symptoms at the conclusion of the group compared to their symptoms at the beginning of group. We also hy... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Stanford University - Department of Psychiatry and Behavioral Sciences, Palo Alto, California
Conditions: Mental Health Issue
Hyperbaric Oxygen Therapy for Optic Neuropathies
Recruiting
The purpose of the study is to evaluate the neuroprotective efficacy of hyperbaric oxygen for the treatment in patients with optic neuropathy.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Byers Eye Institute, Palo Alto, California
Conditions: Optic Neuropathy, Glaucoma
A Study of First-Line Olomorasib (LY3537982) and Pembrolizumab With or Without Chemotherapy in Patients With Advanced KRAS G12C-Mutant Non-small Cell Lung Cancer
Recruiting
The purpose of this study is to assess if adding LY3537982 in combination with standard of care anti-cancer drugs is more effective than standard of care in participants with untreated advanced NSCLC. NSCLC must have a change in a gene called KRAS G12C. Study participation, including follow-up, could last up to 3 years, depending on how you and your lung cancer are doing.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: Cedars-Sinai Medical Center, Los Angeles, California
Conditions: Carcinoma, Non-Small-Cell Lung, Neoplasm Metastasis
Study to Assess Adverse Events and Change in Disease Activity in Previously Treated Adult Participants Receiving Intravenous (IV) ABBV-400 With Unresectable Metastatic Colorectal Cancer in Combination With IV Fluorouracil, Folinic Acid, and Bevacizumab
Recruiting
Cancer is a condition where cells in a specific part of body grow and reproduce uncontrollably. The purpose of this study is to assess adverse events and change in disease activity when ABBV-400 is given in combination with Fluorouracil, Folinic Acid, and Bevacizumab to adult participants to treat unresctable metastatic colorectal cancer. ABBV-400 is an investigational drug being developed for the treatment of unresectable metastatic colorectal cancer. Fluorouracil, folinic acid, and bevacizuma... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/20/2025
Locations: City of Hope National Medical Center /ID# 257576, Duarte, California
Conditions: Unresectable Metastatic Colorectal Cancer