Clinical trials: Tryptase
Idiopathic Anaphylaxis, Drug Anaphylaxis
Cause of Unexplained Anaphylaxis
This study will explore the possible cause of unexplained, or idiopathic, anaphylaxis. Anaphylaxis is a rapid, life-threatening, severe reaction that occurs suddenly after contact with an allergy-causing substance, usually a…
- Conditions
- Idiopathic Anaphylaxis, Drug Anaphylaxis, Venom Anaphylaxis, Food Anaphylaxis
- Trial name
- NCT00719719
- Where
- United States
- Volunteers
- 115 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Perioperative/Postoperative Complications, Anaphylaxis
Diagnosis and Allergen Identification of Perioperative Anaphylaxis
Perioperative anaphylaxis may lead to fatal respiratory and/or circulatory events, yet both clinical diagnosis and management are challenging.
- Conditions
- Perioperative/Postoperative Complications, Anaphylaxis, Tryptase, Allergens
- Trial name
- NCT06793163
- Where
- 6 sites in China
- Volunteers
- 115 people
- Sponsor
- Peking University First Hospital
Angioedema, Angioedemas, Hereditary
Angioedema Biomarker Research Study
This clinical trial aims to evaluate and compare novel and commercially available diagnostic assays through blood tests for the differential diagnosis and comprehensive assessment of patients experiencing recurrent angioedema…
- Conditions
- Angioedema, Angioedemas, Hereditary, Urticaria, Mastocytosis
- Trial name
- NCT06210698
- Testing
- Venipuncture
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Foundation For Rare Disease Research
Basal Tryptasemia
Serum Basal Tryptase Levels in Healthy Children
The National REference Center for MASTocytosis (CEREMAST), located at the Necker-Enfants Malades Hospital, is particularly interested in two groups of rare diseases whose common point is excessive activation of mast cells…
- Trial name
- KID-Tryp (NCT05323188)
- Testing
- Tryptase dosage
- Where
- France
- Volunteers
- 402 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Mastocytosis, Monoclonal
Study of Factors Regulating Mast Cell Proliferation
This study will examine growth factors that promote and inhibit mast cell proliferation resulting in mastocytosis, a disease of excessive mast cells in the body.
- Conditions
- Mastocytosis, Monoclonal, Bone Marrow, Tryptase
- Trial name
- NCT00044122
- Where
- United States
- Volunteers
- 700 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Hypersensitivity, Immediate, Insect Bites and Stings
The Significance of Blood-tryptase and c-Kit Mutation in Insect Venom Immunotherapy
The investigators wish to evaluate the association between tryptase values as well as c-Kit mutation and adverse effects in the course of immunotherapy.
- Conditions
- Hypersensitivity, Immediate, Insect Bites and Stings, Mastocytosis
- Trial name
- NCT02503800
- Where
- Israel
- Volunteers
- 159 people
- Sponsor
- Meir Medical Center
Necrotizing Enterocolitis, Premature Birth
Cohort of Premature Newborns for Charaterization of the Digestive Microbiota in Ulcerative Necrotizing Enterocolitis in Premature Infants
Compare the bacterial digestive microbiota during the stay in neonatal intensive care between a group of premature newborns developing a NEC (necrotizing enterocolitis) and a group of newborns free from NEC.
- Trial name
- CortECS (NCT04972734)
- Testing
- premature newborns developing a NEC, premature newborns without NEC
- Where
- France
- Volunteers
- 297 people
- Sponsor
- University Hospital, Clermont-Ferrand
Food (Shrimp) Allergy
The Utility of Serum Tryptase in the Diagnosis of Shrimp- Induced Anaphylaxis
The purpose of this study was to investigate the utility of serum tryptase for the confirmation of shrimp-induced anaphylaxis.
- Trial name
- NCT01619605
- Testing
- shrimp challenge
- Where
- Thailand
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Newborn, Parturient
Simultaneous Study of the Serum Tryptase Level of the Mother and the Child During Childbirth (TryPla)
Currently the neonatal serum level of severals proteins can be used as an indicator of subsequent risk. For example, we plan to explore the neonatal kinetics of tryptase and other immune proteins as potential markers for the risk…
- Trial name
- TryPla (NCT04441463)
- Testing
- Blood sampling for tryptase analysis
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
PGM3 Deficiency, Eosinophilic and/or Atopic Dermatitis
Natural History of Severe Allergic Inflammation and Reactions
Background: Allergic inflammation is central to allergy-related diseases and disorders, such as asthma, food allergies, and atopic dermatitis.
- Conditions
- PGM3 Deficiency, Eosinophilic and/or Atopic Dermatitis, OSMR Deficiency, Primary Localized Cutaneous Amyloidosis
- Trial name
- NCT01164241
- Where
- United States
- Volunteers
- 945 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Premature Newborns
Dosage of Serum Tryptase Levels in a Population of Premature Newborns to Evaluate Mast Cell Activity
Compare serum tryptase levels of premature babies (<37 weeks of amenorrhea) to children born at full term. Study the evolution of serum tryptase levels in premature babies(<37 weeks of amenorrhea).
- Trial name
- NCT02787980
- Testing
- Additional taking blood
- Where
- France
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- CHU de Reims