Search clinical trials for: direct oral challenge

Total 24492 results

Beijing Ditan Hospital

Unknown

An Observational Cohort Study of Clinical Outcomes After Antiviral Treatment of Chronic Hepatitis C

Chronic Hepatitis C

China
Varduhi Petrosyan
Grand Challenges Canada; National Tuberculosis Control Center, Ministry of...

Completed

Innovative Approach in Tuberculosis Care in Armenia

Tuberculosis

Armenia
Haemonetics Corporation

Completed

Direct Oral Anticoagulant Assay Detection & Classification Study for the TEG 6S System

DOAC Eligible Subjects

United States
Ohio State University Comprehensive Cancer Center

Completed

Direct Visual Fluorescence in Finding Oral Cancer in High-Risk Patients and Patients Undergoing Routine Dental Care

Tongue Cancer | Lip and Oral Cavity Squamous Cell Carcinoma | Oral Cavity Verrucous Carcinoma | Stage 0 Lip and Oral Cavity Cancer

United States
Janssen BioPharma, Inc.

Completed

A First-In-Human Study of Orally Administered JNJ-64417184 to Evaluate the Safety, Tolerability, and Pharmacokinetics of Single and Multiple Ascending Doses, and the Antiviral Activity of Multiple Doses in a Respiratory Syncytial Virus (RSV) Challenge Study in Healthy Participants

Healthy

United Kingdom
Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical...

Unknown

Identification of P-cresyl Sulfate Producer Phenotype by Oral Tyrosine Challenge Test: Interactions Among Diet, Gut Microbiota, and Host Genome

Healthy | Chronic Kidney Diseases

Taiwan
Asan Medical Center

Unknown

A Randomized Phase II Open Label Study to Compare the Safety and Efficacy of Subcutaneous Dalteparin Versus Direct Oral Anticoagulants for Cancer-associated Venous Thromboembolism (PRIORITY)

Stomach Cancer | Hepatocellular Carcinoma | Pancreatic Cancer | Esophageal Cancer | Duodenal Cancer | Esophagogastric Junction Cancer | Cancer-associated Thrombosis | Ampulla of Vater Cancer | Malignant Gastrointestinal Stromal Tumor | Biliary Cancer (Cholangiocarcinoma, Gall Bladder Cancer)

Korea, Republic of
Indonesia University

Completed

Comedone Extraction and Oral Doxycycline In The First Line Treatment of Moderate Acne Vulgaris

Acne Vulgaris
Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical...

Completed

Exploring the Mechanisms of Indoxyl Sulfate Production by Oral Tryptophan Challenge Test

Healthy | Chronic Kidney Diseases

Taiwan
KAT General Hospital

Completed

Oral Use of Dexketoprofen/Tramadol for Acute Postoperative Pain in Total Hip Replacement With a Direct Anterior Approach.

Postoperative Pain | Pain, Acute

Greece
University Hospital, Lille

Terminated

Determinants of Oral Anticoagulants' Activity (ANTIGOAG)

Anticoagulant

France
Centre Hospitalier Universitaire Dijon

Completed

Representations of Oral Nutritional Supplementation (ONS) in Hospitals : Gender differences_observational Study (CNO_ALIMS)

Malnutrition | Oral Nutritional Supplementation

France
Mitchell Grayson
National Heart, Lung, and Blood Institute (NHLBI)

Completed

Leukotriene Antagonism in Recruitment of CD49d Expressing Neutrophils in Atopic Subjects

Nasal Allergy

United States
Elliot Israel, MD
Brigham and Women's Hospital

Completed

Therapeutic Control of Aspirin-Exacerbated Respiratory Disease (Aspirin) (Aspirin)

Asthma, Aspirin-Induced | Aspirin Exacerbated Asthma

United States
Peking University Third Hospital

Completed

Study on The Oral Immune Tolerance of CMPA Infants Using Amino Acid Formula

Cow's Milk Protein Allergy
Forest Laboratories
Ironwood Pharmaceuticals, Inc.

Completed

An Open-Label, Long-term Study to Assess the Immunogenicity of LINZESS® (Linaclotide) Administered Orally to Adult Participants With Irritable Bowel Syndrome With Constipation or Chronic Idiopathic Constipation

Irritable Bowel Syndrome With Constipation | Chronic Idiopathic Constipation

United States
National Taiwan University Hospital

Completed

eGFR Evolution in HCV Patients Receiving SOF-based or SOF-free DAAs

Hepatitis C | Viral Hepatitis C | Renal Disease

Taiwan
St. Louis University

Withdrawn

Video Based Directly Observed Therapy for Latent TB

Latent Tuberculosis

United States
Mayo Clinic

Completed

Changes in Intestinal Permeability 4 Hours After Gluten Challenge

Duodenal Diseases | Celiac Disease | Gluten Sensitivity | Gluten Enteropathy | Immune System and Related Disorders | Wheat Hypersensitivity

United States
Szeged University
Department of Oral and Maxillofacial Surgery, University of Szeged; Institute...

Completed

Effects of Intraoperative, Goal-directed Crystalloid vs. Colloid Fluid Resuscitation on Free Flaps

Optimal Tissue Perfusion

Hungary
Karolinska University Hospital
Experimental Asthma and Allergy Research Unit, Karolinska Institutet; Unit... and other collaborators

Terminated

Pemirolast in Allergen Challenge (PEMAG) (PEMAG)

Allergic Asthma

Sweden
University Hospital, Montpellier

Completed

Reactive Doses and Times During Oral Food Challenge to Peanut (PeaNewT)

Peanut Allergy

France
University Hospital, Strasbourg, France

Unknown

Cost Effectiveness Analysis of an Ancillary Study of the REMOTEV Study

Venous Thromboembolic Disease

France
Helsinki University Central Hospital

Unknown

Effect of an Electronic Reminder System on Direct Oral Anticoagulant and Oral Diabetes Medication Adherence

Diabetes Mellitus, Type 2 | Anticoagulant Drugs

Finland
Institut Necker Enfants Malades

Unknown

Direct Oral Anticoagulant Management for Cardiac Device Implantation (StimAOD)

Anticoagulant, Perioperative

France
CHU de Quebec-Universite Laval

Unknown

Amoxicillin Challenge for Penicillin Allergy Diagnosis (Pen-VIE)

Penicillin Allergy

Canada
Habit, LLC
University of California, San Diego; TNO

Completed

Personalized Dietary Program and Markers of Wellness

Healthy | Metabolism

United States
Rabin Medical Center
Pfizer

Unknown

Direct Oral Anticoagulants Pharmacodynamics in Octogenarian Patients With Atrial Fibrillation

Atrial Fibrillation and Flutter

Israel
Pfizer

Completed

Scopolamine Challenge Study

Healthy

France
Centro en Insuficiencia Cardiaca, Mexico

Unknown

Oral dIuretics in Very Intensive Treatment, an Early Intervention in Outpatients With Heart Failure (DIVINE)

Heart Failure | Congestive Heart Failure

Mexico
University Hospital, Geneva
Food Allergy Research & Education; Allergistiftung Ulrich Müller

Completed

Tree Nuts Allergies: Does a Single Nut Allergy Necessitate the Dietary Eviction of Other Tree Nuts? (ProNut)

Nut Allergy in Children

United Kingdom, Switzerland, Spain
ORA, Inc.

Completed

Food Allergy Diagnostic Test Response to Previous Oral Challenge Response

Food Hypersensitivity

United States
ORA, Inc.
Tufts Medical Center

Completed

Food Allergy Challenge Diagnostic Study

Food Hypersensitivity

United States
Alhasan Mujtaba Abdul-Wahid
Ministry of Health-Basra Health Directorate-Al-Sader Teaching Hospital

Completed

The Effect of Spironolactone on Acute Kidney Injury in Patients Undergoing Coronary Angiography

Acute Kidney Injury | Contrast-induced Nephropathy | IHD

Iraq
Fundación para la Investigación del Hospital Clínico...

Completed

Periprocedural Direct Oral Anticoagulant Management (RA-ACOD)

Periprocedural Complication

Spain
Damascus University
St Joseph University, Beirut, Lebanon; Syrian Atomic Energy Agency, Damascus...

Completed

Clinical Efficacy of the Immediate Implant Loading

Implant Site Reaction

Lebanon, Syrian Arab Republic
IRCCS Burlo Garofolo

Completed

Early Oral Immunotherapy in Infants With Cow's Milk Protein Allergy

Hypersensitivity, Milk

Italy
University of Colorado, Denver

Terminated

Evaluation of Potential Allergenicity of New Soybean Varieties (Monsanto)

Soy Allergy

United States
University of Oxford

Completed

Ethical Challenges of Consent in Data Sharing (Data Sharing)

Data Sharing

Thailand
Biota Pharma Europe Limited

Completed

Safety, Efficacy and Pharmacokinetics of BTA-C585 in a RSV Viral Challenge Study

Respiratory Syncytial Virus (RSV) Infection

United Kingdom
Cairo University

Unknown

Role of Oral Tramadol 50 mg in Reducing Pain During Colposcopy-directed Cervical Biopsy

Cervical Biopsy
Université de Sherbrooke
Canadian Diabetes Association

Completed

Early Screening for Gestational Diabetes Mellitus (DG2)

Gestational Diabetes Mellitus

Canada
The University of Tennessee, Knoxville

Completed

The Nutrition Challenge: A Health Promotion Campaign

Health Promotion | Prevention

United States
NHS Tayside
University of Dundee

Completed

Pilot Trial of Directly Observed Anti HCV Therapy & Contingency Management in a Population on Opiate Substitute Therapy (DOT-C)

Hepatitis C

United Kingdom
Federico II University

Unknown

Effects of the Direct Interaction Between Streptococcus Salivarius 24SMBc and Streptococcus Oralis 89a and the Respiratory Epithelium in Children

Allergy
FHI 360

Completed

Long-Acting Reversible Contraception (LARC)

Contraception

United States
Valduce Hospital

Completed

Management of Direct Oral Anti-Coagulants (DOACs) for Gastrointestinal Endoscopy Procedures

Anticoagulant Disorders

Italy
Assaf-Harofeh Medical Center

Unknown

Predictors of Positive Food Challenge

Oral Immunotherapy for Food Allergy

Israel
Canadian Network for Observational Drug Effect...
Canadian Institutes of Health Research (CIHR); Drug Safety and Effectiveness...

Completed

Direct Oral Anticoagulants and Venous Thromboembolism

Venous Thromboembolism | Major Bleed

Canada
Janssen Research & Development, LLC

Withdrawn

Study to Investigate the Food Effect and Oral Bioavailability of Tablet Formulations Relative to Suspension Formulation of JNJ-54416076 in Healthy Participants

Healthy

United States

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