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Healthy volunteer studies in Los Angeles, CA

169 studies at sites in and around Los Angeles accept healthy volunteers — people without the condition being studied. Many studies pay participants for their time and travel; the amount is set by each study, so ask the study team.

Self-Concept Reinforcement for Early School Readiness

RecruitingHealthy volunteers welcomeMentions payment for participants
  • Children's Hospital Los Angeles, Los Angeles
Ages 2 and older · All sexes · Updated Dec 16, 2025 · NCT06084910

MS-ResearchBiomarkerS

RecruitingObservational studyHealthy volunteers welcomeMentions payment for participants
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Feb 6, 2024 · NCT05204459

Lot-to-lot Consistency Study of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From 2 Months of Age

RecruitingPhase 3Healthy volunteers welcome
  • Community Clinical Research- Site Number : 8400030, Los Angeles
  • Matrix Clinical Research - Los Angeles- Site Number : 8400028, Los Angeles
42 Days – 89 Days · All sexes · Updated Oct 5, 2026 · NCT07348692

Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
1 Month – 100 Years · All sexes · Updated Oct 2, 2026 · NCT02450851

Buprenorphine Implementation at Syringe Service Programs to Reduce Overdoses

RecruitingHealthy volunteers welcome
  • Community Health Project Los Angeles (CHPLA), Los Angeles
Ages 18 and older · All sexes · Updated Oct 1, 2026 · NCT07631598

Bupivacaine With Epinephrine Over Diaphragm in Laparoscopy

RecruitingPhase 4Healthy volunteers welcome
  • Cedars Sinai Medical Center, Los Angeles
Ages 18 and older · Women · Updated Sep 30, 2026 · NCT07400146

Neural Correlates of Real World Spatial Navigation in Humans

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 to 90 · All sexes · Updated Sep 28, 2026 · NCT04874220

Screening for Prostate Cancer Using High Resolution Micro-ultrasound Versus Multiparametric Magnetic Resonance Imaging.

RecruitingPhase 3Healthy volunteers welcome
  • University of California, Los Angeles (UCLA), Los Angeles
Ages 50 to 70 · Men · Updated Sep 25, 2026 · NCT06626022

A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose

RecruitingPhase 3Healthy volunteers welcome
  • Ronald Reagan UCLA Medical Center, Los Angeles
  • Ronald Reagan UCLA Medical Center (inpatient hospital), Los Angeles
  • Ronald Reagan UCLA Medical Center, Los Angeles
  • and 3 more
Ages 0 and older · All sexes · Updated Sep 24, 2026 · NCT06866405

Nutrition for Precision Health, Powered by the All of Us

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Sep 23, 2026 · NCT05701657

UCLA REST Study (REsearch on Sleep Techniques)

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 to 22 · All sexes · Updated Sep 23, 2026 · NCT05576090

American Lung Association (ALA) Lung Health Cohort

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 25 to 35 · All sexes · Updated Sep 23, 2026 · NCT04543461

Women Informed to Screen Depending on Measures of Risk (Wisdom Study)

RecruitingHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 30 to 74 · Women · Updated Sep 21, 2026 · NCT02620852

A Study of Breast Cancer Risk Factors and Outcomes of People in Florida

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles (Specimen Analysis only), Los Angeles
Ages 18 and older · All sexes · Updated Sep 16, 2026 · NCT06780176

The Happiest Baby, Inc. SNOO Postmarket Surveillance Study

RecruitingObservational studyHealthy volunteers welcome
  • Happiest Baby, Inc., Los Angeles
Ages 18 and older · All sexes · Updated Sep 15, 2026 · NCT06361303

A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older

RecruitingPhase 3Healthy volunteers welcome
  • Kaiser Permanente Los Angeles Medical Center, Los Angeles
  • Kaiser Permanente Oncology Pharmacy #014C, Los Angeles
Ages 65 and older · All sexes · Updated Sep 9, 2026 · NCT07282665

Evaluation of Oral THC and CBD in Men and Women

RecruitingPhase 1Healthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 21 to 55 · All sexes · Updated Sep 8, 2026 · NCT05067387

Effects of Dietary Supplements on Muscle Mass and Function While Using GLP-1 Medication

RecruitingHealthy volunteers welcome
  • UCLA Center for Human Nutrition, Los Angeles
Ages 18 and older · All sexes · Updated Sep 8, 2026 · NCT07806838

High Potency Cannabis: Acute and Protracted Effects

RecruitingPhase 1Healthy volunteers welcome
  • UCLA Center for Cannabis and Cannabinoids, Los Angeles
Ages 21 to 55 · All sexes · Updated Sep 4, 2026 · NCT06859723

A Clinic-wide Intervention (Primary Care-GI Connect) for Improving Rates of Colonoscopy After Abnormal Fecal Immunochemical Test Result in Patients at Federally Qualified Health Centers

RecruitingHealthy volunteers welcome
  • University of California at Los Angeles, Los Angeles
  • UCLA / Jonsson Comprehensive Cancer Center, Los Angeles
All ages · All sexes · Updated Sep 2, 2026 · NCT06568016

Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults

RecruitingPhase 4Healthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
  • VA Greater Los Angeles, Los Angeles
Ages 75 and older · All sexes · Updated Sep 1, 2026 · NCT04262206

Association Between Exercise, Patient-Reported Outcomes, and Clinical Events in Adult Cancer Survivors

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles (Data or Specimen Analysis Only), Los Angeles
Ages 18 and older · All sexes · Updated Sep 1, 2026 · NCT07030686

Friedreich Ataxia Global Clinical Consortium UNIFIED Natural History Study

RecruitingObservational studyHealthy volunteers welcome
  • UCLA Ataxia Center, Los Angeles
All ages · All sexes · Updated Sep 1, 2026 · NCT06016946

Intracranial Neurophysiological Signatures of Fear and Anxiety in Humans

RecruitingHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 18 to 70 · All sexes · Updated Aug 31, 2026 · NCT05120635

Cognitive Aftereffects of Neurotoxicity in Children and Young Adults With Relapsed/Refractory Hematologic Malignancies Who Receive CAR T-cell Therapy

RecruitingObservational studyHealthy volunteers welcome
  • Children s Hospital of Los Angeles, Los Angeles
Ages 5 and older · All sexes · Updated Aug 31, 2026 · NCT05237986

Diet Quality Pilot Intervention in LA Safety Net

RecruitingHealthy volunteers welcome
  • Martin Luther King, Jr. Center for Public Health, Los Angeles
Ages 18 and older · All sexes · Updated Aug 28, 2026 · NCT07792564

Safety and Pharmacokinetics Study of PGT121.414.LS Alone and in Combination With VRC07-523LS in Infants Exposed to HIV-1

RecruitingPhase 1Healthy volunteers welcome
  • Site 5112, David Geffen School of Medicine at UCLA, Los Angeles
72 Hours · All sexes · Updated Aug 25, 2026 · NCT06517693

ASSESS ALL ALS Study

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Aug 24, 2026 · NCT06578195

Detecting Pulmonary Hypertension With the Eko CORE 500 Digital Stethoscope

RecruitingObservational studyHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Aug 24, 2026 · NCT07136623

Coaching and Leadership in Autism Support Settings

RecruitingHealthy volunteers welcome
  • UCLA, Los Angeles
Ages 5 and older · All sexes · Updated Aug 21, 2026 · NCT07276750

Measurement and Determinants of Diet Quality in Older Adults

RecruitingObservational studyHealthy volunteers welcome
  • Hubert H. Humphrey Comprehensive Health Center, Los Angeles
Ages 60 and older · All sexes · Updated Aug 21, 2026 · NCT07780708

Coronary Atherosclerosis T1-Weighted Characterization (CATCH)

RecruitingHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Aug 21, 2026 · NCT03504956

Caring for Dementia Caregivers in Ethnic Immigrant Communities

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Aug 20, 2026 · NCT07550075

Evidence-Based Quality Improvement to Reduce VA Primary Care Burnout

RecruitingHealthy volunteers welcome
  • West Los Angeles VA Medical Center, VA Greater Los Angeles Healthcare System, Los Angeles
All ages · All sexes · Updated Aug 19, 2026 · NCT07031245

A Phase 1/2A, Randomized Study of a T Follicular Helper (TFH)-Targeting Genetic Vaccine Strategy Designed to Induce Broad, Durable Immune Responses

RecruitingPhase 1/2Healthy volunteers welcome
  • UCLA Westwood, Los Angeles
Ages 40 to 64 · All sexes · Updated Aug 18, 2026 · NCT06810934

A Study to Evaluate AZD7760 Safety and Pharmacokinetics in Healthy Adults (Phase I) and Adults With End-stage Kidney Disease on Hemodialysis With a Central Venous Catheter (Phase IIa)

RecruitingPhase 1/2Healthy volunteers welcome
  • Research Site, Los Angeles
Ages 18 to 55 · All sexes · Updated Aug 14, 2026 · NCT06749457

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 to 75 · All sexes · Updated Aug 12, 2026 · NCT06668922

Inter-Brain Synchrony in Schizophrenia

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 to 65 · All sexes · Updated Aug 11, 2026 · NCT07177261

Mindfulness-Assisted Psychedelic Therapy

RecruitingPhase 2Healthy volunteers welcome
  • Univeristy of Southern California Brain and Creativity Institute, Los Angeles
Ages 25 and older · All sexes · Updated Aug 6, 2026 · NCT06233344

Natural History Study of and Genetic Modifiers in Spinocerebellar Ataxias

RecruitingObservational studyHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 6 and older · All sexes · Updated Aug 3, 2026 · NCT01060371

Effect of Watermelon on Cardiometabolic Health

RecruitingHealthy volunteers welcome
  • UCLA Center for Human Nutrition, Los Angeles
All ages · Women · Updated Jul 31, 2026 · NCT07006636

ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Jul 30, 2026 · NCT04363684

Very Brief Exposure: Development of a Novel Exposure Modality for Social Anxiety Disorder in Transition-Age Youth

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 16 to 22 · All sexes · Updated Jul 29, 2026 · NCT06526260

The Effects of Very Brief Exposure on PTSD in U.S. Combat Veterans

RecruitingHealthy volunteers welcome
  • Brain Imaging Lab, Los Angeles
Ages 18 to 50 · All sexes · Updated Jul 29, 2026 · NCT06218381

PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort

RecruitingObservational studyHealthy volunteers welcome
  • Keck School of Medicine of USC, Los Angeles
Ages 30 and older · All sexes · Updated Jul 27, 2026 · NCT04477785

A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation

RecruitingPhase 2/3Healthy volunteers welcome
  • University of Southern Califonria, Los Angeles
Ages 18 and older · All sexes · Updated Jul 27, 2026 · NCT05552157

A Study of a Potential Disease Modifying Treatment in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation

RecruitingPhase 2/3Healthy volunteers welcome
  • University of Southern Califonria, Los Angeles
Ages 18 and older · All sexes · Updated Jul 27, 2026 · NCT06647498

Effect of Daily Mixed Spice Consumption on Memory Function

RecruitingHealthy volunteers welcome
  • UCLA Center for Human Nutrition, Los Angeles
Ages 50 to 80 · All sexes · Updated Jul 24, 2026 · NCT06889961

PSMA PET Combined With MRI for the Detection of PCa

RecruitingPhase 3Healthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 18 and older · Men · Updated Jul 23, 2026 · NCT07052214

Social Media Influences on Engagement and Susceptibility to Non-combustible Tobacco Product Use Among Youth and Young Adults (AYA)

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 14 to 17 · All sexes · Updated Jul 23, 2026 · NCT07721883

Tactile Pre-Visit Imagery

RecruitingHealthy volunteers welcome
  • USC Herman Ostrow School of Dentistry - Pediatric Dental Clinic, Los Angeles
Ages 4 to 10 · All sexes · Updated Jul 22, 2026 · NCT07719205

Prescription of Letrozole for Uterine Myoma

RecruitingPhase 4Healthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 21 to 53 · Women · Updated Jul 22, 2026 · NCT06143631

Pancreatic Cancer Early Detection Consortium

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
  • UCLA Health, Los Angeles
Ages 18 to 90 · All sexes · Updated Jul 22, 2026 · NCT04970056

Hyperemesis Gravidarum Risk Reduction With Metformin

RecruitingPhase 1/2Healthy volunteers welcome
  • University of Southern California - Keck School of Medicine, Los Angeles
Ages 18 to 49 · Women · Updated Jul 22, 2026 · NCT07129473

Fimepinostat, Combination HDAC and Pi3-kinase Inhibitor Tumor-Directed Therapy for Cushing Disease

RecruitingPhase 2Healthy volunteers welcome
  • Ronald Reagan Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Jul 17, 2026 · NCT05971758

Deep Functional Phenotyping of the ALA Lung Health Cohort

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 25 to 35 · All sexes · Updated Jul 17, 2026 · NCT06177717

Comprehensive HHT Outcomes Registry of the United States (CHORUS)

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
All ages · All sexes · Updated Jul 17, 2026 · NCT06259292

Testing eSCCIP: An eHealth Psychosocial Intervention for English and Spanish Speaking Parents of Children With Cancer

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
All ages · All sexes · Updated Jul 17, 2026 · NCT05294302

Social Facilitation of Emotion Regulation in Adolescence

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 13 to 25 · All sexes · Updated Jul 16, 2026 · NCT06458920

Writing About Experiences and Health in Older Adults II

RecruitingPhase 1Healthy volunteers welcome
  • Center for Cognitive Neuroscience, Los Angeles
Ages 65 and older · All sexes · Updated Jul 14, 2026 · NCT05524597

Multicenter Trial of Antibiotic Eluting Graft for Promoting New Bone Growth in/Near Infected Bone Cavities

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 22 and older · All sexes · Updated Jul 14, 2026 · NCT05361941

Brain/Craving Response to Smoking Cues After Oral Nicotine Pouch Use

RecruitingHealthy volunteers welcome
  • University of Southern California - 3641 Watt Way (HNB B22), Los Angeles
Ages 21 to 55 · All sexes · Updated Jul 13, 2026 · NCT07698470

Improving Behavioral Health for Caregivers and Children After Pediatric Injury

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Jul 9, 2026 · NCT06856057

Abuse Liability and Appeal of Oral Nicotine Products

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
  • University of Southern California, Los Angeles
Ages 21 to 25 · All sexes · Updated Jul 9, 2026 · NCT06506162

Brain Health in Breast Cancer Survivors

RecruitingObservational studyHealthy volunteers welcome
  • University of California at Los Angeles, Los Angeles
Ages 35 to 65 · Women · Updated Jul 7, 2026 · NCT04297020

A Study of Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of SR604 in Two Participants Groups (Part A: Healthy Participants, and Part B: Participants With Hemophilia A or Hemophilia B or Factor VII Deficiency)

RecruitingPhase 1Healthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 18 to 60 · All sexes · Updated Jul 2, 2026 · NCT06349473

COES: Curing Order Effects on Sealants

RecruitingPhase 1Healthy volunteers welcome
  • Herman Ostrow School of Dentistry of USC, Los Angeles
Ages 5 to 14 · All sexes · Updated Jul 2, 2026 · NCT06342258

EXoPERT EMERALD Clinical Study

RecruitingObservational studyHealthy volunteers welcome
  • City of Hope Duarte Cancer Center, Los Angeles
Ages 45 and older · All sexes · Updated Jul 1, 2026 · NCT07186296

Ongoing Lung Decline With Age Intensified Response

RecruitingPhase 2Healthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 60 and older · All sexes · Updated Jul 1, 2026 · NCT07676435

A Study to Evaluate the Effects of a Prebiotic Soda on Glycemic Control in Adults

RecruitingHealthy volunteers welcome
  • People Science, Los Angeles
Ages 30 to 70 · All sexes · Updated Jul 1, 2026 · NCT07298135

Molecular Genetics Studies of Cancer Patients and Their Relatives

RecruitingObservational studyHealthy volunteers welcome
  • USC / Norris Comprehensive Cancer Center, Los Angeles
All ages · All sexes · Updated Jun 29, 2026 · NCT04185935

Advanced SPinal Innovations With Robotics and Enabling Technology Registry

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 0 to 21 · All sexes · Updated Jun 22, 2026 · NCT05071144

A Dyadic Sleep Health Approach for Persons With Alzheimer's Disease and Caregivers

RecruitingHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
  • Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles
Ages 18 and older · All sexes · Updated Jun 18, 2026 · NCT05452031

Behavioral Activation and Risk Reduction for Stimulant Use Among Sexually Active Adolescents and Young Adults

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 16 to 24 · All sexes · Updated Jun 17, 2026 · NCT06444360

Childhood Cancer Survivor Study

RecruitingObservational studyHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
  • University of California-Los Angeles, Los Angeles
All ages · All sexes · Updated Jun 17, 2026 · NCT01120353

Platelet Expression of FcγRIIa and Arterial Hemodynamics to Predict Recurrent Stroke in Intracranial Atherosclerosis

RecruitingObservational studyHealthy volunteers welcome
  • Ronald Reagan UCLA Medical Center, Los Angeles
Ages 30 and older · All sexes · Updated Jun 11, 2026 · NCT05518305

Polyphenols and Cognitive Decline

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 50 and older · All sexes · Updated Jun 11, 2026 · NCT06507254

Increasing Germline Genetic Testing for Patients With Cancer

RecruitingHealthy volunteers welcome
  • VA Greater Los Angeles Healthcare System, Los Angeles
All ages · All sexes · Updated Jun 9, 2026 · NCT07307664

fNIRS for Disorders of Consciousness

RecruitingObservational studyHealthy volunteers welcome
  • UCLA School of Nursing; Ronald Reagan Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Jun 8, 2026 · NCT07485361

SPIROMICS Study of Early COPD Progression (SOURCE)

RecruitingObservational studyHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 30 to 55 · All sexes · Updated Jun 3, 2026 · NCT05033990

Breast Cancer Screening Adherence for Women at Moderate Risk for Breast Cancer

RecruitingObservational studyHealthy volunteers welcome
  • Los Angeles General Medical Center, Los Angeles
  • USC / Norris Comprehensive Cancer Center, Los Angeles
Ages 30 to 75 · Women · Updated Jun 1, 2026 · NCT07076147

A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age

RecruitingPhase 3Healthy volunteers welcome
  • GSK Investigational Site, Los Angeles
12 Months – 15 Months · All sexes · Updated May 29, 2026 · NCT06740630

The INSPIRE -Faith Study: Intervention Strategies for Preserving Intellectual Resilience and Engagement

RecruitingHealthy volunteers welcome
  • Crenshaw Christian Center, Los Angeles
Ages 55 to 85 · All sexes · Updated May 28, 2026 · NCT06741865

Comparing Two School-Based Sleep Health Interventions To Promote Sleep Quality in Youth

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 12 to 18 · All sexes · Updated May 26, 2026 · NCT07213908

A Study Evaluating the Impact of Regular FODMAP-targeting Digestive Enzyme Blend Use on Gastrointestinal Symptoms in Individuals With Self-Reported Bloating

RecruitingHealthy volunteers welcome
  • People Science, Los Angeles
Ages 18 and older · All sexes · Updated May 15, 2026 · NCT07591584

Cardiac-Control Affecting Learning Through Mindfulness (CALM)

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 50 to 70 · All sexes · Updated May 13, 2026 · NCT06410157

New Approach to Objectively Measure Social Engagement in Older Adults With Hearing Loss

RecruitingObservational studyHealthy volunteers welcome
  • Los Angeles General Medical Center, Los Angeles
  • University of Southern California, Los Angeles
Ages 60 and older · All sexes · Updated May 11, 2026 · NCT06781749

A Study to See if an iPhone Weight Management App Can Help Promote Weight Loss in Adolescents and Young Adults After a Stem Cell Transplant

RecruitingHealthy volunteers welcome
  • UCLA / Jonsson Comprehensive Cancer Center, Los Angeles
Ages 13 to 30 · All sexes · Updated May 11, 2026 · NCT04453072

A Culturally Informed Patient Navigation Program (CFPN) to Reduce Delays Between Diagnosis and Treatment in American Indian and Alaska Native Cancer Patients Living in Rural California

RecruitingHealthy volunteers welcome
  • USC / Norris Comprehensive Cancer Center, Los Angeles
All ages · All sexes · Updated May 11, 2026 · NCT07332312

Regional Blocks for Lateral Condyle Fractures

RecruitingPhase 4Healthy volunteers welcome
  • Orthopaedic Institute for Children, Los Angeles
Ages 4 to 12 · All sexes · Updated May 5, 2026 · NCT03796572

Regulation of Affect and Physiology in Depression

RecruitingPhase 2Healthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 to 27 · All sexes · Updated May 4, 2026 · NCT06345859

Bridge the Gap (BTG) - Black Youth Group

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 12 to 17 · All sexes · Updated Apr 30, 2026 · NCT06880809

Individual Cerebral Hemodynamic Oxygenation Relationships (ICHOR 1)

RecruitingObservational studyHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
1 Minute – 18 Years · All sexes · Updated Apr 29, 2026 · NCT06195345

Local Bisphosphonate Effect on Recurrence Rate in Extremity Giant Cell Tumor of Bone

RecruitingPhase 3Healthy volunteers welcome
  • University of California - Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Apr 22, 2026 · NCT03295981

A Study to Evaluate Tradipitant on Treating Nausea and Vomiting Induced by GLP-1R Agonist Use

RecruitingPhase 3Healthy volunteers welcome
  • Vanda Investigational Site, Los Angeles
Ages 18 to 65 · All sexes · Updated Apr 20, 2026 · NCT07446439

Safety and Effectiveness Evaluation of the High-intensity Focused Ultrasound Device for Lifting Lax Submental and Neck Tissue

RecruitingHealthy volunteers welcome
  • Dermatology, Los Angeles
Ages 30 to 65 · All sexes · Updated Apr 20, 2026 · NCT07229430

A Trial to Learn if ALN-PNP is Safe and Well Tolerated in Healthy Adults and Adult Participants With Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD)

RecruitingPhase 1/2Healthy volunteers welcome
  • Velocity Clinical research, Los Angeles
Ages 18 to 75 · All sexes · Updated Apr 16, 2026 · NCT05648214

DILIN - Prospective Study

RecruitingObservational studyHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 2 and older · All sexes · Updated Apr 8, 2026 · NCT00345930

Collection of Immunology Specimens From Patients With Cancer or Blood Disorders, and Healthy Volunteers

RecruitingObservational studyHealthy volunteers welcome
  • USC / Norris Comprehensive Cancer Center, Los Angeles
Ages 19 and older · All sexes · Updated Apr 2, 2026 · NCT03207854

SAMe Trial for Patients With Alcoholic Cirrhosis

RecruitingPhase 2Healthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 to 70 · All sexes · Updated Mar 31, 2026 · NCT04250259

Continuous Glucose Monitoring (CGM) in Prediabetes With Community Based Recruitment

RecruitingHealthy volunteers welcome
  • Southern California Center for Latino Health (SCCLH), Los Angeles
Ages 35 and older · All sexes · Updated Mar 30, 2026 · NCT07477249

Pneumatic Compression vs Blood Flow Restriction for Muscle Recovery

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 to 30 · All sexes · Updated Mar 30, 2026 · NCT06815367

Probiotic Intervention Study

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles
Ages 18 to 50 · All sexes · Updated Mar 27, 2026 · NCT06030362

Understanding Practices of Lactation and Infant Feeding Together With Women With HIV in the United States

RecruitingObservational studyHealthy volunteers welcome
  • University of Southern California (CRS 5048), Los Angeles
  • David Geffen School of Medicine at UCLA (CRS 5112), Los Angeles
All ages · All sexes · Updated Mar 27, 2026 · NCT07293559

Examining the Role of Female Endogenous Sex Hormones in Eccentric Exercise

RecruitingHealthy volunteers welcome
  • Clinical Exercise Research Center, Los Angeles
Ages 18 to 35 · Women · Updated Mar 25, 2026 · NCT05934708

Pituitary Tumor Surveillance: Pathogenic Correlation

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Pituitary Center, Los Angeles
Ages 18 and older · All sexes · Updated Mar 23, 2026 · NCT00599092

Access to Genetic Testing in Underserved Patients With Cancer

RecruitingHealthy volunteers welcome
  • USC / Norris Comprehensive Cancer Center, Los Angeles
Ages 18 and older · All sexes · Updated Mar 18, 2026 · NCT06422455

Single Nuclei RNA-seq to Map Adipose Cellular Populations and Senescent Cells in Older Subjects

RecruitingPhase 2/3Healthy volunteers welcome
  • Cedars Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Mar 18, 2026 · NCT05653258

Virtual Reality for ICU Delirium Prevention

RecruitingHealthy volunteers welcome
  • Cedars Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Mar 17, 2026 · NCT07357389

Immune Defense Protein Impact On Respiratory Immune Outcomes

RecruitingHealthy volunteers welcome
  • People Science, Inc., Los Angeles
Ages 60 and older · All sexes · Updated Mar 12, 2026 · NCT07431840

Using Navigation to Improve Accuracy of Maxillary Balloon Sinusotomy

RecruitingPhase 2/3Healthy volunteers welcome
  • Cedars Sinai, Los Angeles
Ages 18 and older · All sexes · Updated Mar 11, 2026 · NCT06567821

Effect of Novel Exhalational Delivery System With Fluticasone (EDS-FLU) on Eustachian Tube Dysfunction (ETD)

RecruitingPhase 2Healthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 to 80 · All sexes · Updated Mar 11, 2026 · NCT05275686

Students Rising Above: Offsetting the Health and Mental Health Costs of Resilience

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles
Ages 13 and older · All sexes · Updated Mar 6, 2026 · NCT05846282

Evaluating AI-Generated Plain Language Summaries on Patient Comprehension of Ophthalmology Notes Among English-Speaking Patients

RecruitingHealthy volunteers welcome
  • UCLA, Los Angeles
Ages 18 and older · All sexes · Updated Mar 5, 2026 · NCT06859216

Testing & Refinement of CarePair: An Assessment and Referral Platform to Support Family Caregivers of Alzheimer's Disease and Related Dementias.

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Mar 5, 2026 · NCT06418971

Autologous Hair Follicle Derived Secretome as Adjunct to Aesthetic Procedures

RecruitingObservational studyHealthy volunteers welcome
  • Carlo Honrado, MD, FACS, Los Angeles
Ages 18 and older · All sexes · Updated Mar 4, 2026 · NCT06477172

Digital vs. Parent Modeled Toothbrushing

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 3 to 6 · All sexes · Updated Feb 27, 2026 · NCT07441148

Avoid and Resist Strategies for Weight Management

RecruitingHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 14 and older · All sexes · Updated Feb 17, 2026 · NCT05143931

Proactive Costs of Care Study

RecruitingHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Feb 10, 2026 · NCT07217262

Behavioral Weight Loss Intervention Utilizing Mobile Health Technology in Hematopoietic Stem Cell Transplant Patients

RecruitingHealthy volunteers welcome
  • UCLA Mattel Children's Hospital, Los Angeles
Ages 13 to 30 · All sexes · Updated Jan 28, 2026 · NCT04997473

Biologic Therapy to Prevent Osteoarthritis After ACL Injury

RecruitingEarly phase 1Healthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 to 35 · All sexes · Updated Jan 26, 2026 · NCT03968913

Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL) Study

RecruitingObservational studyHealthy volunteers welcome
  • University of California, Los Angeles
Ages 18 and older · All sexes · Updated Jan 15, 2026 · NCT05677880

Age-dependent Effects of Smoked and Oral Delta-9-THC

RecruitingPhase 1Healthy volunteers welcome
  • UCLA Center for Cannabis and Cannabinoids, Los Angeles
Ages 18 to 65 · All sexes · Updated Jan 7, 2026 · NCT05865470

UCLA Perinatal Biospecimen Repository

RecruitingObservational studyHealthy volunteers welcome
  • Afshar Lab, Department of Obstetrics & Gynecology, UCLA, Los Angeles
1 Minute · All sexes · Updated Dec 29, 2025 · NCT05035160

Towards Restoring Complex Movement After Paralysis: Algorithm Development With Healthy Participants

RecruitingHealthy volunteers welcome
  • UCLA Neural Engineering and Computation Lab, Los Angeles
Ages 18 and older · All sexes · Updated Dec 24, 2025 · NCT07236892

Efficacy of Lavender Aromatherapy on Anxiety and Pain Reduction During Awake Otolaryngologic Procedures

RecruitingHealthy volunteers welcome
  • Cedars-Sinai Medical Center Otolaryngology Clinics, Los Angeles
Ages 18 and older · All sexes · Updated Dec 23, 2025 · NCT07299474

BrainWeighve App Feasibility Study

RecruitingHealthy volunteers welcome
  • UCLA Marion Davies Children's Center, Los Angeles
Ages 14 to 21 · All sexes · Updated Dec 22, 2025 · NCT05530538

RCT for Latina Mental Health Using Web-Based Apps

RecruitingHealthy volunteers welcome
  • UCLA, Los Angeles
Ages 18 and older · Women · Updated Dec 22, 2025 · NCT06874790

THC and CBD: A Controlled Human Study Probing a Harm Reduction Strategy

RecruitingPhase 1Healthy volunteers welcome
  • UCLA Center for Cannabis and Cannabinoids, Los Angeles
Ages 21 to 55 · All sexes · Updated Dec 17, 2025 · NCT06859710

A Mindfulness-Based Intervention to Reduce Stress Through the Cultivation of Loving-Kindness, Compassion, Joy, and Equanimity in Healthcare Professionals

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Dec 16, 2025 · NCT07283744

A Trial Comparing Screening Mammography With and Without Assistance From Artificial Intelligence for Breast Cancer Detection and Recall Rates in Adult Patients

RecruitingPhase 4Healthy volunteers welcome
  • University of California Los Angeles Health System, Los Angeles
Ages 18 and older · All sexes · Updated Nov 26, 2025 · NCT06934239

Delayed Immunological Tolerance in Patients With Well-functioning Pre-existing HLA-matched Kidney Transplants

RecruitingPhase 1Healthy volunteers welcome
  • UCLA, Los Angeles
Ages 18 and older · All sexes · Updated Nov 26, 2025 · NCT05525507

Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps

RecruitingHealthy volunteers welcome
  • UCLA / Jonsson Comprehensive Cancer Center, Los Angeles
Ages 21 and older · All sexes · Updated Nov 14, 2025 · NCT06376565

Utilizing Advocates and Supporters to Increase Lung Cancer Screening Rates in Eligible Participants

RecruitingHealthy volunteers welcome
  • UCLA / Jonsson Comprehensive Cancer Center, Los Angeles
Ages 40 to 80 · All sexes · Updated Nov 10, 2025 · NCT05978128

eMOTION: Examining Implicit Attitudes in Physical Activity Engagement

RecruitingObservational studyHealthy volunteers welcome
  • Univeristy of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Nov 3, 2025 · NCT07044570

Visible Abdominal Distension

RecruitingHealthy volunteers welcome
  • G. Oppenheimer Center for Neurobiology of Stress and Resilience, Los Angeles
Ages 18 to 80 · All sexes · Updated Oct 31, 2025 · NCT06369753

Neurophysiologic Biomarkers in Rett Syndrome

RecruitingObservational studyHealthy volunteers welcome
  • Children's Hospital of Los Angeles, Los Angeles
Ages 1 to 18 · Women · Updated Oct 20, 2025 · NCT05932589

Genetics of Charcot Marie Tooth (CMT) - Modifiers of CMT1A, New Causes of CMT2

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
All ages · All sexes · Updated Oct 7, 2025 · NCT01193088

Natural History Evaluation of Charcot Marie Tooth Disease (CMT) Types CMT1B, CMT2A, CMT4A, CMT4C, and Others

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
All ages · All sexes · Updated Oct 7, 2025 · NCT01193075

Exploring, Predicting, and Intervening on Long-term Viral Suppression Electronically

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Oct 3, 2025 · NCT06370780

Sensory Adapted Dental Environments to Enhance Oral Care for Children With and Without Dental Fear and Anxiety

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 6 to 12 · All sexes · Updated Oct 2, 2025 · NCT06912854

Novel Multimodal Neural, Physiological, and Behavioral Sensing and Machine Learning for Mental States

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Oct 1, 2025 · NCT07110688

Vocal Emotion Communication With Cochlear Implants

RecruitingEarly phase 1Healthy volunteers welcome
  • House Institute Foundation, Los Angeles
Ages 6 to 80 · All sexes · Updated Sep 19, 2025 · NCT05486637

An Evaluation of the Pink Cloud Application in Post- Treatment Substance Use Disorder Support

RecruitingHealthy volunteers welcome
  • Loyola Marymount, Los Angeles
Ages 18 and older · All sexes · Updated Sep 11, 2025 · NCT07042451

Impact of Aerosol Box Use During Cardiopulmonary Arrest: A Multicenter Study

RecruitingHealthy volunteers welcome
  • Department of Emergency Medicine, Children's Hospital of Los Angeles, Los Angeles
Ages 18 to 60 · All sexes · Updated Sep 5, 2025 · NCT05868239

Study of VGA039 in Healthy Volunteers and Patients With Von Willebrand Disease (VIVID)

RecruitingPhase 1/2Healthy volunteers welcome
  • Orthopedic Institute for Children (UCLA), Los Angeles
Ages 12 to 60 · All sexes · Updated Aug 26, 2025 · NCT05776069

A Randomized Controlled Trial Testing the Effect of the Youth Mindful Awareness Program on Negative Affect (YMAP2).

RecruitingHealthy volunteers welcome
  • University of California, Los Angeles, Los Angeles
Ages 12 to 17 · All sexes · Updated Aug 20, 2025 · NCT06526052

School-based Paraeducator Education for Engagement at Recess

RecruitingHealthy volunteers welcome
  • University of California Los Angeles, Los Angeles
Ages 5 and older · All sexes · Updated Aug 15, 2025 · NCT06559267

Social Facilitation of Alcohol Effects and Alcohol Misuse in Young Adults

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 21 to 28 · All sexes · Updated Aug 12, 2025 · NCT06627803

The K-Map Study, Global Prevalence of KC

RecruitingObservational studyHealthy volunteers welcome
  • USC Roski Eye Institute, Los Angeles
Ages 6 to 23 · All sexes · Updated Aug 11, 2025 · NCT03115710

Effects of Using a Storybook, to Explain Leukemia to Children Versus the Standard Child Life Intervention, on Parental Stress.

RecruitingHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
Ages 3 and older · All sexes · Updated Aug 3, 2025 · NCT06360718

HEPA, PM2.5, and Cardiometabolic Health

RecruitingHealthy volunteers welcome
  • Keck School of Medicine, University of Southern California, Los Angeles
Ages 65 to 84 · All sexes · Updated Aug 1, 2025 · NCT05718245

Encoding Temporal Fine Structure for Cochlear Implants

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Jul 2, 2025 · NCT04708717

eMOTION: Examining Affective Mechanisms in Physical Activity Engagement

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 and older · All sexes · Updated Jun 27, 2025 · NCT06570642

The Family Perspectives Project Pilot Trial

RecruitingHealthy volunteers welcome
  • Cedars-Sinai Medical Center, Los Angeles
Ages 18 and older · All sexes · Updated Jun 15, 2025 · NCT06039501

Demonstrating the Efficacy of a Spanish-Language Program for Latino Dementia Caregivers

RecruitingHealthy volunteers welcome
  • University of Southern California, Los Angeles
Ages 18 to 100 · All sexes · Updated Jun 6, 2025 · NCT06747637

Brown Adipose Tissue Activity in Response to Semaglutide Administered to Obese Subjects.

RecruitingObservational studyHealthy volunteers welcome
  • UCLA Health, Los Angeles
Ages 18 and older · All sexes · Updated May 11, 2025 · NCT05419726

Optimizing PrEP Uptake and Adherence Among Male Sex Workers

RecruitingHealthy volunteers welcome
  • UCLA Fielding School of Public Health, Los Angeles
Ages 18 and older · Men · Updated May 9, 2025 · NCT05736614

Family Intervention to Prevent Childhood Obesity

RecruitingHealthy volunteers welcome
  • Head Start, Los Angeles
Ages 2 and older · All sexes · Updated Mar 10, 2025 · NCT05606731

TREAT-BE Study (Treatment With Resection and Endoscopic Ablation Techniques for Barrett's Esophagus)

RecruitingObservational studyHealthy volunteers welcome
  • UCLA Medical Center, Los Angeles
Ages 18 to 100 · All sexes · Updated Feb 28, 2025 · NCT02634645

Clinical Validation of the Role of microRNA Binding Site Mutations in Cancer Risk, Prevention and Treatment

RecruitingObservational studyHealthy volunteers welcome
  • MiraKind, Los Angeles
Ages 18 and older · All sexes · Updated Jan 23, 2025 · NCT02253251

Iron Deficiency Anemia (IDA) and the Brain

RecruitingPhase 4Healthy volunteers welcome
  • Cedar Sinai Blood Bank, Los Angeles
  • Children's Hospital Los Angeles, Los Angeles
  • University of California, Los Angeles Blood Donor Center, Los Angeles
Ages 16 to 60 · Women · Updated Oct 30, 2024 · NCT05929729

Liquid Biopsies in Pediatric Solid Tumors

RecruitingObservational studyHealthy volunteers welcome
  • Children's Hospital Los Angeles, Los Angeles
6 Months · All sexes · Updated Aug 21, 2024 · NCT05068583

Effectiveness of Dual Light Electric Toothbrush vs. Manual Toothbrush in Orthodontic Patients Undergoing Oral Surgery

RecruitingHealthy volunteers welcome
  • Chilldren's Hospital Los Angeles, Los Angeles
Ages 6 to 20 · All sexes · Updated May 13, 2024 · NCT06122805

Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort

RecruitingObservational studyHealthy volunteers welcome
  • University of California - Los Angeles, Los Angeles
Ages 18 and older · All sexes · Updated Feb 28, 2024 · NCT01574053

Use of Continuous Glucose Monitors in Children and Adolescents With Obesity

RecruitingHealthy volunteers welcome
  • Pediatric Endocrinology Division, University of California, Los Angeles
Ages 10 to 21 · All sexes · Updated Feb 12, 2024 · NCT06254768

Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing

RecruitingObservational studyHealthy volunteers welcome
  • Cedars-Sinai Women's Heart Center, Los Angeles
Ages 35 to 65 · Women · Updated Sep 1, 2023 · NCT00573339

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.