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Efficacy and Safety of Bojungikgi-tang for Persistent Allergic Rhinitis: Study Protocol for a Randomized, Double-blind, Placebo-controlled, Phase II Trial

Efficacy and Safety of Bojungikgi-tang for Persistent Allergic Rhinitis: Study Protocol for a Randomized, Double-blind, Placebo-controlled, Phase II Trial

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
CRIS
Registry ID
KCT0006616
Enrollment
105
Registered
2021-09-29
Start date
2021-07-06
Completion date
Unknown
Last updated
2021-11-02

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

Conditions

None listed

Interventions

Drug : 1. Run-in period: 2 packs of the placebo, administered three times daily for 1 week 2. Experimental period 1) Experimental group1(standard dose 7.5g/day): 1 pack of the clinical medicine and

Sponsors

Daejeon Korean Medicine Hospital of Daejeon University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Men and women aged 19 ~ 65 years 2. Subjects who had a history of perennial allergic rhinitis for at least 2 years prior to study participation 3. Subjects who had positive reactions to perennial allergens in allergy skin tests (e.g., skin prick test or intradermal test), MAST, or ImmunoCAP that were conducted within 12 months However, the criteria for positive responses to specific allergens in the prick test, intradermal test, Mmultiple allergen Simultaneous Test,MAST) , or ImmunoCAP are defined as follows. - Prick tests: a wheal size of = 3 mm, compared with the diluent control - Intradermal tests: a wheal size of = 7 mm, compared with the diluent control - MAST or ImmunoCAP: = Class 2 4. Subjects who had an average daily reflective Total Nasal Symptom Score(r-TNSS) of = 5 (maximum=12) at Visit 3 during the 1-week run-in period 5. Subjects who had the ability and willingness to record subject diaries 6. Subjects who agreed to equally maintain surrounding environment during the entire period of the clinical study 7. Subjects who voluntarily agreed to participate in this clinical study in written form

Exclusion criteria

Exclusion criteria: 1. non-allergic (angioneurotic, infectious, and drug-induced) rhinitis 2. presence of asthma 3. clinically significant nasal deformities, such as obstructive nasal polyps or nasal septum 4. experienced damages around the nasal cavity or surgeries within 12 weeks 5. the past medical history of acute or chronic sinusitis within 4 weeks 6. initiated immunotherapy or changes in dosage within 4 weeks 7. experienced use of long-acting antihistamines 8. upper respiratory tract infections including the common cold, and systemic infections within 2 weeks 9. comorbidities that may interrupt the treatment of cancers or clinical significant disorders of the kidney, liver, psychiatric system, cardiovascular system, respiratory system, endocrine system, and central nervous system, the safety assessment, or completion of this clinical study 10. abnormal renal function (Creatinine values = 2 times the upper limit of normal) 11. severe abnormal liver function tests (Alanine transaminase (ALT) or Aspartate transaminase (AST) values = 2 times the upper limit of normal) 12. hepatitis A (active) or hepatitis B (active) or hepatitis C 13. unregulated hypertension (high blood pressure of 180 mmHg in the condenser or high blood pressure exceeding 100 mmHg in the relaxation period) 14. electrolyte abnormalities (K test readings outside normal range) 15. hypokalemia or administering drugs (such as furosemide, thiazide, amphotericin, cisplatin, digitalis, etc.) or a condition that can show hypokalemia (such as hypomagnesemia, Bartter syndrome, Gitelman syndrome, etc.) that can cause this 16. anticoagulants (heparin, warfarin, aspirin, etc.) for cardiovascular disorders or blood coagulation disorders, 17. blood coagulation abnormalities (PT-INR, aPTT readings outside normal range) 18. the use of concomitant medications, or those who are expected to need the use of prohibited concomitant medications during the period of the clinical study with the exception of the case that the following minimal period after the use of concomitant medications passed. [nasal passages, topical, eye drops or systemic antihistamines: 3 days (However, 10 days for long-acting agents (e.g., loratadine, fexofenadine, and cetirizine), 14 days for ketotifen, and 3 months for astemizole), cromolyn nasal, or nedocromil: 14 days, anticholinergic: 3 days, nasal or systemic decongestants: 3 days, nasal or systemic corticosteroids: 30 days, reserpine: 3 days, antitussives and expectorants: 3 days, leukotriene modifiers: 7 days, systemic antibiotics: 14 days, nonsteroidal anti-inflammatory drugs (NSAIDs): 2 days (However, a low-dose aspirin (below 100mg) can be used), traditional herbal medicinal products that may affect rhinitis and eye symptoms: 14 days] 19. chronically used tricycle antidepressants, beta-agonists, and bronchodilators that may affect the efficacy of test drugs 20. r-TNSS during the baseline period within 1 week of visit 3 was recorded for less than 4 days 21. plan of long-term movement to other areas during the period of the clinical study 22. history of excessive alcohol use or drug addiction 23. history of hypersensitivity reaction to active ingredients or excipients of the investigational product 24. genetic disorders, such as galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption 25. subjects who did not agree to use contraception by medically permitted methods (e.g., surgical treatment of infertility, intrauterine device, c

Design outcomes

Primary

MeasureTime frame
Changes in total r-TNSS(Reflective TNSS) score for 4 weeks compared to baseline

Secondary

MeasureTime frame
Changes in total r-TNSS(Reflective TNSS) score for 1-2 weeks(2 weeks), 3-4 weeks(2 weeks) compared to baseline;Changes in total i-TNSS(Instantaneous TNSS) score for 1-2 weeks(2 weeks), 3-4 weeks(2 weeks) compared to baseline;Changes in total i-TNSS(Instantaneous TNSS) score for 4 weeks compared to baseline;Changes in KARQLQ score at 2 weeks and 4 weeks compared to baseline;Changes in total IgE and eosinophil count at 4 weeks compared to baseline;subject's assessment of overall treatment after 4 weeks;Changes in r-TNSS(Reflective TNSS) score at 2 weeks and 4 weeks compared to baseline by Korean pattern identification;Changes in r-TNSS(Reflective TNSS) score at 2 weeks and 4 weeks compared to baseline by Sasang Constitution

Countries

Korea, Republic of

Contacts

Public ContactSu Won Lee

Daejeon Korean Medicine Hospital of Daejeon University

tndnjs3325@daum.net+82-42-470-9663

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 12, 2026