PMID- 24986270 OWN - NLM STAT- MEDLINE DCOM- 20150331 LR - 20220317 IS - 1745-6215 (Electronic) IS - 1745-6215 (Linking) VI - 15 DP - 2014 Jul 2 TI - The effects of two Chinese herbal medicinal formulae vs. placebo controls for treatment of allergic rhinitis: a randomised controlled trial. PG - 261 LID - 10.1186/1745-6215-15-261 [doi] AB - BACKGROUND: Allergic rhinitis is a chronic illness, affecting 10 to 40% of the worldwide population. Chinese herbal medicines, the treatment of allergic rhinitis, adopted thousands of years in ancient China, has recently raised much attention among researchers globally. This study evaluates the effects of two Chinese herbal formulae [Cure-allergic-rhinitis Syrup (CS) and Yu-ping-feng San (YS)] in treating undergraduate nursing students with allergic rhinitis over a 3-month follow-up, when compared to a placebo control group. METHODS: A double-blind, randomised controlled trial with repeated-measures, three-parallel-groups design was conducted in a random sample of 249 participants recruited from one university in Hong Kong. After baseline measurements, participants were randomly assigned to CS, YS, or placebo groups (n=83 per group). The main outcomes, including symptom severity, quality of life, and body constitution, were measured with self-administered questionnaires at baseline and immediately, 1 and 3 months after the 4-week interventions. RESULTS: 240 participants completed the trial, with 9 (3.6%) drop-outs. The results of Generalised Estimating Equations test followed by pairwise contrasts tests indicated that the participants who received CS showed significantly greater reduction of symptoms (mean difference of CS vs. placebo=26.13-34.55, P<0.0005) and improvements in quality of life (mean difference of CS vs. placebo=12.81-16.76, P<0.001), and body constitution in 'Qi-deficiency', 'Yang-deficiency', and 'Inherited Special' (mean difference of CS vs. placebo=7.05-8.12, 7.56-8.92, and 4.48-8.10, P=0.01-< 0.0005, 0.001-0.004, and 0.01-< 0.0005, accordingly, at three post-tests). The participants who received YS also indicated significant greater improvements in symptom severity, quality of life, and a few patterns of body constitution when compared to the placebo group. However, its effects were lesser in strength (i.e., smaller effect sizes), varieties of symptoms, and body constitution and sustainability over the 3 months. CONCLUSIONS: The herbal formula CS was found effective to reduce symptoms and enhance quality of life in young adults (nursing students) with allergic rhinitis in 'Yang- and/or Qi-deficiency' body constitution. Further controlled trials of its effects in Chinese and/or Asians with allergic rhinitis in terms of socio-demographic, ethnic and illness characteristics and a longer-term follow-up are recommended. TRIAL REGISTRATION: The trial has registered at ClinicalTrials.gov with an ID: NCT02027194 (3 January 2014). FAU - Chan, Rose Y P AU - Chan RY FAU - Chien, Wai Tong AU - Chien WT AD - School of Nursing, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, SAR, China. wai.tong.chien@polyu.edu.hk. LA - eng SI - ClinicalTrials.gov/NCT02027194 PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't DEP - 20140702 PL - England TA - Trials JT - Trials JID - 101263253 RN - 0 (Anti-Allergic Agents) RN - 0 (Drugs, Chinese Herbal) RN - 0 (yu ping feng san) SB - IM MH - Anti-Allergic Agents/*therapeutic use MH - Double-Blind Method MH - Drugs, Chinese Herbal/*therapeutic use MH - Hong Kong MH - Humans MH - Phytotherapy MH - Plants, Medicinal MH - Quality of Life MH - Rhinitis, Allergic/diagnosis/*drug therapy/psychology MH - Rhinitis, Allergic, Seasonal/diagnosis/*drug therapy/psychology MH - Severity of Illness Index MH - Students, Nursing MH - Surveys and Questionnaires MH - Time Factors MH - Treatment Outcome PMC - PMC4094638 EDAT- 2014/07/06 06:00 MHDA- 2015/04/01 06:00 PMCR- 2014/07/02 CRDT- 2014/07/03 06:00 PHST- 2014/03/07 00:00 [received] PHST- 2014/06/17 00:00 [accepted] PHST- 2014/07/03 06:00 [entrez] PHST- 2014/07/06 06:00 [pubmed] PHST- 2015/04/01 06:00 [medline] PHST- 2014/07/02 00:00 [pmc-release] AID - 1745-6215-15-261 [pii] AID - 10.1186/1745-6215-15-261 [doi] PST - epublish SO - Trials. 2014 Jul 2;15:261. doi: 10.1186/1745-6215-15-261.