Clinical Trials on Disorders of Gallbladder, Biliary Tract and Pancrease

High Altitude Pulmonary Hypertension

High Altitude Pulmonary Hypertension

High Altitude Pulmonary Hypertension

Attention Deficit Hyperactivity Disorder

Alcohol Use Disorder, Mild | Alcohol Use Disorder, Moderate

Heart Failure | Neoplasms | Pulmonary Disease

Adenocarcinoma of Lung

Family Caregivers

Thrombosis | Gastric Cancer | Venous Thromboembolism | Pancreas Cancer | Pulmonary Embolism | Deep Venous Thrombosis | Esophagus Cancer

Hemodialysis | End Stage Renal Disease (ESRD)

Quality of Life | Sarcopenia | Pulmonary Rehabilitation

Narcolepsy | Cataplexy | Excessive Daytime Sleepiness

Substance Use | Violence in Adolescence | Avoidance of Healthcare

Fatigue | Cognitive Dysfunction | Sleep Disorders | Chronic Rhinosinusitis | Quality of Life Impairment

Aphasia | Apraxia of Speech | CVA

Healthy Volunteers | Narcolepsy Type 1

Brain Injury | Cognition Disorders | Heart Arrest | Out-of-hospital Cardiac Arrest

Smoking Cessation | Tobacco Use Disorder | Lung Cancer

Adenocarcinoma of Lung

Lung Cancer (Diagnosis)

Long COVID | Post-acute Sequelae of COVID-19

Articular Cartilage Disorder of Knee

Articular Cartilage Disorder of Knee

Substance Use Disorder

Tracheal Stenosis | Laryngostenosis | Disorder of Upper Respiratory System

Behavioral Variant of Frontotemporal Dementia | Caregiver Stress Syndrome

Anxiety | bvFTD

Hyperlipidemia (E.G., Hypercholesterolemia) | Environmental Exposures | Occupational Exposure to Chemicals | Burn Pit Exposure | Hyperlipidemias, Hypercholesterolemia, Mixed Dyslipidemia | PFAS | Military Exposure | Forever Chemicals

Amputations for Management of Sarcoma,Trauma,or Chronic Infection

Depression

Narcolepsy

Dementia | Cognitive Impairments | Alzheimer Disease (AD) | Depression Chronic | Caregiver Burden of People With Dementia

Prevention of COVID-19

Determine Minimally to Moderately Infective Dose (MMID) of Influenza A H3N2

Lung Neoplasms

A New Flu Virus of Swine Origin | Pandemic Influenza A (H1N1)

Heart Block | Syncope | Conduction Disorder of the Heart

Vitiligo

Side Effect of Drug | Sedation and Analgesia

Diabetic Patients

Lymphedema

Functional Dyspepsia

Proprioception

Burn; Arm

Diabetes Mellitus

Lung Cancer | Sleep-Disordered Breathing

Postpartum Depression | Perinatal Disorder | Postpartum Disorder | Perinatal Depression | Postpartum Anxiety | Postnatal Depression

COVID-19 | Coronavirus Infection | COVID | Corona Virus Infection | Coronavirus | Sars-CoV2 | SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere | Coronavirus Disease | Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere | Coronavirus as the Cause of Diseases Classified Elsewhere

HIV Infections | Sexually Transmitted Diseases | HIV/AIDS | Adherence, Medication | Side Effect of Drug | Vaccination | Preexposure Prophylaxis

Visual Impairment | Motor Delay | Premature Retinopathy