California is currently home to 5592 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 Research Study on How Well Concizumab Works for You if You Have Haemophilia A or B With or Without Inhibitors
Recruiting
This study will test how well a new medicine called concizumab works for participants who have haemophilia A or B with or without inhibitors. The purpose is to show that concizumab can prevent bleeds and is safe to use. Participants will have to inject the study medicine every day under the skin with a pen-injector. The study will last for at least 2 years and up to about 4 years. The length of time the participant will be in the study depends on if the study medicine will be available for pur... Read More
Gender:
ALL
Ages:
All
Trial Updated:
06/19/2025
Locations: Rady Childrens Hosp San Diego, San Diego, California
Conditions: Haemophilia A and B With and Without Inhibitors
A Study to Test the Efficacy and Safety of Staccato Alprazolam in Study Participants 12 Years of Age and Older With Stereotypical Prolonged Seizures
Recruiting
The purpose of the study is to assess the success of a single administration of Staccato alprazolam compared with placebo both in rapidly terminating a seizure episode within 90 seconds and with no recurrence of seizure(s) up to 2 hours after investigational medicinal product (IMP) administration.
Gender:
ALL
Ages:
12 years and above
Trial Updated:
06/19/2025
Locations: Ep0162 50118, Downey, California
Conditions: Stereotypical Prolonged Seizures
Posaconazole (MK-5592) Intravenous and Oral in Children (<2 Years) With Invasive Fungal Infection (MK-5592-127)
Recruiting
This study aims to estimate the pharmacokinetics (PK) of posaconazole (POS, MK-5592) intravenous (IV) and powder for oral suspension (PFS) formulations in pediatric participants \<2 years of age with invasive fungal infection (IFI).
Gender:
ALL
Ages:
Between 1 day and 2 years
Trial Updated:
06/19/2025
Locations: Rady Children's Hospital-San Diego ( Site 2101), San Diego, California
Conditions: Invasive Fungal Infection
ARX517/JNJ-95298177 as Monotherapy or Combination Therapy in Subjects With Metastatic Prostate Cancer
Recruiting
This is a phase 1 study to assess the safety and tolerability of ARX517 as monotherapy or combination therapy in adult subjects with metastatic prostate cancer (mPC).
Gender:
MALE
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: University of California, Los Angeles School of Medicine, Los Angeles, California
Conditions: Metastatic Prostate Cancer
A Study of JNJ-69086420, an Actinium-225-Labeled Antibody Targeting Human Kallikrein-2 (hK2) for Advanced Prostate Cancer
Recruiting
The purpose of this study is to determine the recommended Phase 2 dose(s) (RP2D\[s\]) of JNJ-69086420 in Part 1 (Dose Escalation), to determine safety and preliminary signs of clinical activity at the RP2D(s) in Part 2 (Dose Expansion), to determine safety of JNJ-69086420 at the RP2D(s) as a combination therapy in Part 3 (combination therapy) and to determine safety of JNJ-69086420 at the RP2D(s) in participants with metastatic hormone-sensitive prostate cancer (mHSPC) in Part 4.
Gender:
MALE
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: City of Hope, Duarte, California
Conditions: Prostatic Neoplasms, Adenocarcinoma
A Study of Amivantamab Subcutaneous (SC) Administration for the Treatment of Advanced Solid Malignancies
Recruiting
The purpose of this study is to assess the feasibility of subcutaneous (SC) administration of amivantamab based on safety and pharmacokinetics and determine a dose, dose regimen and formulation for amivantamab SC delivery.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: Cedars Sinai Medical Center, West Hollywood, California
Conditions: Advanced Solid Malignancies
Study of Zifibancimig in Participants With Neovascular Age-Related Macular Degeneration
Recruiting
This is a first in-human study to investigate the safety, tolerability and efficacy of zifibancimig administered through intravitreal (IVT) injections and via the Port Delivery (PD) implant in participants with neovascular age-related macular degeneration (nAMD)
Gender:
ALL
Ages:
50 years and above
Trial Updated:
06/19/2025
Locations: The Retina Partners, Encino, California
Conditions: Macular Degeneration
A Study to Evaluate Efficacy and Safety of Perampanel Administered as an Adjunctive Therapy in Pediatric Participants With Childhood Epilepsy
Recruiting
The purpose of the study is to evaluate the efficacy of perampanel as measured by the 50 percent (%) responder rate during the maintenance period of the core study for seizure frequency in participants with pediatric epileptic syndrome (Cohort 1) and partial-onset seizures (POS) (Cohort 2).
Gender:
ALL
Ages:
Between 1 month and 18 years
Trial Updated:
06/19/2025
Locations: David Geffen School of Medicine at UCLA, Los Angeles, California
Conditions: Pediatric Epileptic Syndrome, Partial-onset Seizures
Long-Term Real-World Outcomes Study on Patients Implanted With a Neurostimulator
Recruiting
The REALITY study is a prospective, post-market, non-randomized, multi-center, single-arm, open-label study intended to collect short- and long-term safety and effectiveness data on various populations implanted with Abbott's neurostimulation systems.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/19/2025
Locations: California Orthopedics & Spine, Larkspur, California
Conditions: Chronic Pain
Study to Access the Efficacy and Safety of IMVT-1402 in Participants With Mild to Severe Generalized Myasthenia Gravis
Recruiting
This is a 26-week study to assess the efficacy, safety and tolerability of IMVT-1402 in adult participants with mild to severe generalized myasthenia gravis.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
06/18/2025
Locations: Site Number - 1010, Carlsbad, California
Conditions: Generalized Myasthenia Gravis
Nonhealing Diabetic Foot Ulcers Treated With Standard of Care (SOC) Alone or Standard of Care and Amnion-Intermediate-Chorion (AIC)
Recruiting
The purpose of this study is to determine how well our dHPT (Dehydrated Human Placental Tissue) Product and Standard of Care work when compared to Standard of Care alone in achieving complete closure of diabetic foot.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
06/18/2025
Locations: 004, Mission Viejo, California
Conditions: Diabetic Foot Ulcer
Hair Biomarkers Study
Recruiting
Young children aged 0-4 years may be exposed to adverse childhood experiences (ACEs) and/or early life adversity (ELA), which are linked with worse physical and mental health across their lifespan. On the other hand, positive childhood experiences (PCEs) can build resilience and prevent or protect against these detrimental outcomes. Data analyses will assess the interactions of ACEs, PCEs, parenting, and poverty on the early social psychology of childhood and develop objective measures for alter... Read More
Gender:
ALL
Ages:
Between 6 months and 24 months
Trial Updated:
06/18/2025
Locations: Stanford University, Palo Alto, California
Conditions: Healthy