Casecontrol studies:Investigation of the relationship between substances derived from intestinal bacteria and allergic diseases, and development of basic control technologies

Casecontrol studies:Investigation of the relationship between substances derived from intestinal bacteria and allergic diseases, and development of basic control technologies - Casecontrol studies:Investigation of the relationship between substances derived from intestinal bacteria and allergic diseases, and development of basic control technologies

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000048453

Enrollment

120

Registered

2022-08-01

Start date

2022-08-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma, atopic dermatitis, urticaria

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1 Those with allergic diseases (asthma, atopic dermatitis, urticaria) 2 Adults over 18 years of age 3 Gender is not required 4 Those who go to the outpatient clinic 5 Those who, after receiving sufficient explanations for participating in this research, obtain written consent of the research subject of their own free will after sufficient understanding.

Exclusion criteria

Exclusion criteria: (1) Those who are involved in other autoimmune diseases other than allergic diseases (asthma, atopic dermatitis, urticaria) (2) Those who have a history of cancer of the digestive system, or those who are currently receiving treatment or medication for the disease (3) Those who have digestive disorders such as irritable bowel syndrome and inflammatory bowel disease (4) Those who have taken or continued to use antibacterial drugs within 3 months before the explanation of consent (5) Those who suffer from serious cerebrovascular disease, heart disease, liver disease, kidney disease, digestive disorder, infectious disease that requires notification, etc. (6) Those who have a history of major surgery on the digestive system, such as gastrectomy, gastrointestinal sutures, intestinal resection, etc. (7) Those who have significant abnormalities in blood pressure measurement, anthropometry, and blood test (8) Lactating women, pregnant women, or anyone who may be pregnant (9) Other persons who are judged by the Principal Investigator to be inappropriate as Research Subjects

Design outcomes

Primary

Measure	Time frame
Evaluate the relationship between components collected from blood and substances derived from intestinal bacteria.	—

Countries

Japan

Contacts

Public ContactTakafumi Maruyama

Juntendo University Hospital Gastroenterology

t-maruyama@juntendo.ac.jp03-3813-3111

Outcome results