Clinical trials: Challenge Test
Allergic Reaction
Epidemiology of Pecan Nut Allergy
IgE-mediated food allergy can manifest with reactions ranging from hives to anaphylactic shock. The diagnosis is based on the confirmation of sensitization to the food allergen by skin tests (prick) and the determination of…
- Trial name
- PEC-ALL (NCT05185362)
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Endometrium Cancer
Risk Evaluation and Screening to Tailor Prevention and Reduce the Incidence of Endometrial Cancer
This study proposes to assess feasibility and acceptability of screening and risk reducing interventions in individuals at increased for endometrial cancer (EC).
- Trial name
- RESToRE (NCT05651282)
- Testing
- Provera
- Where
- Canada
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Crohn's Disease
Bronchial Hyperreactivity in Children With Crohn Disease
Background: Latent pulmonary involvement is described in Crohn Disease(CD). Bronchial hyperreactivity measured by the Methacholine Challenge Test (MCT) has been evaluated in two studies involving mainly adults.Our aim was to…
- Trial name
- NCT01297907
- Testing
- Methacholine Challenge Test, Fractional Exhaled NO (FENO), Blood Test
- Where
- Israel
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Edible Insect Allergy, Shrimp Allergy
Shrimp Sensitization and Allergy Among Patients With Edible Insect Allergy
This study aims to determine the prevalence of shrimp sensitization and clinical shrimp allergy among patients aged ≥7 years with confirmed allergy to edible insects, including silkworm, bamboo worm, and palm weevil.
- Conditions
- Edible Insect Allergy, Shrimp Allergy, Shrimp Sensitization
- Trial name
- NCT07857187
- Testing
- Edible Insect Oral Food Challenge, White Shrimp Oral Food Challenge
- Where
- Thailand
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Allergy, Irritation
Cumulative Irritation Patch Test
A Cumulative Patch Test with a Challenge Phase is a test devised to ascertain if a chemical agent or agents have the potential to cause contact irritation or contact allergy in the skin.
- Conditions
- Allergy, Irritation, Sensitization
- Trial name
- NCT01842711
- Where
- United States
- Volunteers
- 224 people, healthy volunteers welcome
- Sponsor
- Chattem, Inc.
Food Allergy
Use of Hypoallergenic (H.A.) Cereals in Children With Diagnosed Allergy to Wheat
The investigators plan to launch a Specific Oral Tolerance Induction (SOTI) pilot study in order to assess the efficacy and the safety of hypoallergenic (H.A.) wheat cereals, for children with allergy to wheat.
- Trial name
- NCT01332084
- Testing
- HA wheat cereals
- Where
- 2 sites in Switzerland
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Diabetes, Gestational
DIAgnosing GDM usiNg Oral Sugar InStead
The purpose of this study is to compare the positive and negative effects of Dex4® tablets, as an alternative form of fast acting carbohydrate, compared to the current standard diagnostic test, glucose beverage.
- Trial name
- DIAGNOSIS (NCT05115188)
- Testing
- Dex4/ dextrose, Glucose beverage
- Where
- Canada
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Sunnybrook Health Sciences Centre
Arrhythmic Right Ventricular Cardiomyopathy
Isoproterenol Challenge to Detect Arrhythmogenic Right Ventricular Cardiomyopathy
This study will examine the usefulness of a new test called an isoproterenol challenge in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC) and family members who may have the disease but do not have clear-cut…
- Trial name
- NCT00083395
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Drug Hypersensitivity, Penicillin Allergy
Drug Challenges Without Prior Skin Testing
The investigators are conducting a prospective study to determine the safety and outcomes of placebo-controlled graded drug challenges without prior skin testing in patients with a low-risk history of antibiotic hypersensitivity…
- Conditions
- Drug Hypersensitivity, Penicillin Allergy, Antibiotic Allergy
- Trial name
- NCT03158831
- Where
- United States
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Food Allergy Suspected
Comparison of Skin Prick Testing, Extract-specific IgE Antibody Testing and Component Resolved Diagnosis in Diagnosing of Legume Allergy
The study is aimed at improving the diagnosis of food allergy, specifically allergy to commonly consumed legumes such as peas, lentils, chickpeas or green beans.
- Trial name
- CRD (NCT06923878)
- Where
- Czechia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Hospital Pilsen
Allergy
New Validated Recipes for Double-blind Placebo-controlled Low Dose Food Challenges
This study aimed to validate new recipes for cow's milk, hen's egg, soy, cod and wheat, to be used in blinded low-dose food challenges.
- Trial name
- NCT01633840
- Testing
- Elemental E028 with added food allergens, Elemental E028
- Where
- Sweden
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- Christina West
Asthma Bronchiale, Lung Function Tests
Methacholine Challenge Test in School Children With/Without Asthma RISKA
The study includes a pre-study telephone interview with healthy controls to assess their eligibility for participation. During the study visit, a background information form and an asthma questionnaire are completed.
- Conditions
- Asthma Bronchiale, Lung Function Tests, Bronchial Hyperresponsiveness
- Trial name
- RISKA (NCT07031102)
- Where
- Finland
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Helsinki University Central Hospital
Non IgE Mediated Food Allergy, Food Protein-Induced Enteropathy
Non-Immunoglobulin E-mediated Food Allergies in Children
Non-IgE-mediated gastrointestinal food allergies (non-IgE-GIFA) are an evolving web of clinical conditions characterized by subacute and/or chronic symptoms and include food protein-induced enterocolitis syndrome (FPIES), food…
- Conditions
- Non IgE Mediated Food Allergy, Food Protein-Induced Enteropathy, Food Protein-Induced Proctocolitis, Food Protein-Induced Enterocolitis Syndrome
- Trial name
- NIGEFA (NCT04462978)
- Testing
- Non IgE-mediated food allergy
- Where
- Italy
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Federico II University