Healthy adult
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Males and females from 20 to 64 years of age (2) Subjects who have frequently presence of nasal discomfort (3) Subjects who have positive for specific IgE against house dust or mites (4) Subjects who are judged as healthy person by the investigator (5) Subjects who do not take antiallergic drug a count for approximately 60% of whole
Exclusion criteria
Exclusion criteria: (1) Subjects who are constantly using drugs or health food affecting nasal and ocular symptoms (2) Subjects who frequently visit a otorhinology (3) Subjects who have severe nasal symptoms (4) Subjects who are complicated by bronchial asthma (5) Subjects having a disease requiring treatment or a history of serious diseases for which medication was required (6) Subjects having a disease requiring treatment or a history of serious diseases for which medication was required (7) Subjects who are under medication which may influence the outcome of the study (e.g. specific desensitization therapy) (8) Subjects who are have treated oral or dental care within the last one month prior to the current study or are planned to treat oral or dental care (9) Subjects who have oral or dental problems with bleeding or develops the trouble at least once a week (10) Subjects who bleed their teeth at least once a week when brush (11) Night and day shift worker or manual laborer (12) Subjects who are habitually vigorous exercise (include professional player) (13) Subjects who cannot carry out the inspection procedure of various inspection by the rule during the study period (14) Subjects having possibilities for emerging allergy related to the study (15) Subjects judged as unsuitable for the study by the investigator for laboratory evidence or cardiopulmonary function. (16) Subjects who are judged as unsuitable for the study based on the results of clinical and physical examination on preliminary examination (17) Subjects who have participated in other clinical study within the last three months prior to the current study or are planned to participate in other clinical study after informed consent for the current study (18) Subjects who intend to become pregnant or lactating (19) Subjects who are judged as unsuitable for the study based on the results of lifestyle questionnaire (20) Subjects judged as unsuitable for the study by the investigator for other reasons
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| (1) QOL questionnaire (2) Diary of discomfort of eyes and nose | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) Specific IgE (house dust and mites) (2) Salivary sIgA concentration, salivary sIgA secretion rate (3) CRP level (4) Medical examination for check subjects nasal condition | — |
Countries
Japan
Contacts
TTC Co., Ltd Clinical Research Planning Department