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The purpose of this study is to determine whether Yiqi Suoquan Tang, a Chinese Herbal decoction, is effective in the treatment of female stress urinary incontinence.
The pilot randomized, controlled trial is aimed to preliminarily assess the effectiveness of Yiqi Suoquan Tang, a Chinese Herbal decoction, in the treatment of female stress urinary incontinence (SUI). Eligible participants will be randomly allocated to receiving Yiqi Suoquan Tang or pelvic floor muscle training (PFMT) using a random number generator in a 1:1 ratio. To minimize the evaluation bias, the outcome assessors and statisticians will be masked to treatment allocation.
Assuming a two-sided alpha of 0.05, power of 90%, and a 20% drop-out, a sample size of 36 would be needed for each group. The statistical analysis will be performed based on the intention-to-treat principle, which is defined as patients that have received at least one treatment. Missing data will be replaced by the last observed value. Continuous variables will be compared by Student t test or Mann-Whitney U test; categorical variables will be analyzed by chi-square test, Fisher's exact test or Kruskal-Wallis H test as appropriate. For comparison between two time points, paired t-test or Wilcoxon signed rank test will be used as appropriate. A statistically significant difference was set at P<0.05.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Chinese herbal therapy group | Experimental | Participants take a Chinese herbal decoction, Yiqi Suoquan Tang, 200ml orally twice a day for 12 weeks. |
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| Pelvic floor muscle training group | Other | Pelvic floor muscle training includes intensive exercises and home exercises. Intensive exercises are conducted in hospital once a week while home exercises are performed three times daily for 12 weeks. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chinese herbal therapy | Dietary Supplement | Participants take a Chinese herbal decoction, Yiqi Suoquan Tang, 200ml orally twice a day for 12 weeks. The Yiqi Suoquan Tang are composed of Radix Astragali 30 g, Radix Codonopsis pilosula 10g, Radix Angelica sinensis 10g, Radix Atractylodis Macrocephalae 10g, Fructus Alpiniae Oxyphyllae 10g, Radix Lindera aggregata 6g, Rhizoma Dioscoreae 10g, pericarpium citri reticulatae 10g, Rhizoma Cimicifuga 10g, Radix Bupleuri 10g, Fructus Rubi 15g, and Semen raphani 10g. All the decoctions are provided by the Department of Pharmacy, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, and are packed in opaque plastic bags with 200 ml for each one. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in 24h pad testing | 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Change in ICIQ-SF questionnaire | 12 weeks | |
| Change in abdominal leak-point pressure | 12 weeks | |
| Change in I-QOL questionnaire |
| Measure | Description | Time Frame |
|---|---|---|
| Adverse events | 12 weeks |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ran Pang, MD | Guang'anmen hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Guang'anmen Hospital, China Academy of Chinese Medical Sciences | Beijing | Beijing Municipality | 100053 | China |
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| ID | Term |
|---|---|
| D014550 | Urinary Incontinence, Stress |
| ID | Term |
|---|---|
| D014549 | Urinary Incontinence |
| D014555 | Urination Disorders |
| D014570 | Urologic Diseases |
| D052776 | Female Urogenital Diseases |
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| Pelvic floor muscle training | Behavioral | In intensive exercises, participants are taught how to identify the muscles: 1) identify anal sphincter/feel anus, and try to raise it from chair (without adding abdominal, thigh, and buttock muscles) with a position of sitting; 2) identify levator ani and try to raise vagina from chair (without adding abdominal, thigh, and buttock muscles) with a position of Sitting, bent forward, elbows on knees; 3) contract levator ani with a position of sitting, lying, and standing; 4) contract anal sphincter with a position of sitting, lying, and standing. Once the participants can identify the muscles, they are asked to do a set consists of 10 contractions, each lasting 5 seconds, with a 5 seconds break between contractions. Then they need to do same procedure 3 times daily as the home exercises. |
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| 12 weeks |
| D005261 |
| Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |
| D059411 | Lower Urinary Tract Symptoms |
| D020924 | Urological Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |