• 제목/요약/키워드: Controlled trial

검색결과 1,413건 처리시간 0.026초

Review of Early Intervention for Children with Autism Spectrum Disorder: Focused on Randomized Controlled Trials

  • Yang, Young-Hui
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • 제30권4호
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    • pp.136-144
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    • 2019
  • Early identification and intervention for autism spectrum disorder (ASD) were reported to be important for outcomes or clinical courses. However, there have been a few robust evidences for effectiveness of early intervention until now. This review aims to identify the effectiveness of early intervention by investigating the randomized controlled trial (RCT) of early intervention for autism. There are some RCT studies using behavioral program. Although there are some significant findings, the outcome measurements and small sample size are the limitations. Further studies are needed.

우울증에 대한 한약물 치료 문헌적 고찰 - 무작위 대조군 임상연구를 중심으로 - (A Review of Clinical Studies with Herbal Medicine for Depression - Based on Randomized Controlled Clinical Trial -)

  • 이재은;권용주;조성훈
    • 동의신경정신과학회지
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    • 제22권4호
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    • pp.31-39
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    • 2011
  • Objectives : This study aimed to investigate frequently used herbal materials among herbal prescription for depression focusing on randomized controlled trial. Methods : Every article relevant to depression was initially obtained from China National Infrastructure(CNKI), Korean database and book hand-searching. Searching keywords were 'depression', 'herbal medicine' and 'randomized controllled trial(RCT)'. Results : Among comorbidity with depression, the most accompanied disease was that of circulatory system. Among sixty-five articles, depression with cerebral vascular disease was twenty-eight. Article about mood disorder was twenty-four. High frequently used herbal materials were Bupleuri Radix(41times), Curcumae Radix(34 times), Acori Graminei Rhizoma and Cnidii Rhizoma(24 times). Conclusions : According to this study, we could know select frequent-used herbal medicine. In a clinical treatment, herbal materials can be added herbal prescription related to depression. As these results, it can be helpful to develop new drugs.

화장품 임상시험 프로토콜 개발을 위한 체계적 문헌 고찰 (A Systematic review for the development of cosmetic clinical trial protocol)

  • 조가원;황충연;홍석훈;김남권
    • 한방안이비인후피부과학회지
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    • 제26권1호
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    • pp.104-117
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    • 2013
  • Objective : The aim of this review is to development of clinical trial protocol for against cosmetics as a treatment of dry skin condition. Methods : We searched the literature from 2002 through April 2012 using 5 databases. We included randomized controlled trials(RCTs) in which human participants with dry skin condition as chief complaint were treated with cosmetics. The methodological quality of all RCTs was using the Jadad score. Results : Nine RCTs met the inclusion criteria. Cosmetic types included cream (7 trials), lotion (1 trial), oil (1 trial) and body wash (1 trial). The methodological quality of the trials was generally low (Jadad score: mean 1.78; range, 1 to 3). Conclusions : The evidence for cosmetics as an effective treatment for dry skin condition(xerosis) is currently scarce and of poor quality, and is therefore inconclusive. More rigorous studies are warranted.

만성피로증후군에 대한 소요산(逍遙散)과 그 변방(變方)의 효과 : 메타분석을 통한 체계적인 문헌고찰 (Effectiveness of Soyo-san (Xiaoyao-san) and its Modifications on Chronic Fatigue Syndrome: a Systematic Review and Meta-analysis)

  • 김준열;송정윤;남동현
    • 동의생리병리학회지
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    • 제34권3호
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    • pp.117-125
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    • 2020
  • The purpose of this review is to confirm whether Soyo-san (Xiaoyao-san) and its modifications is effective on alleviating clinical symptoms in chronic fatigue syndrome (CFS) patients. We collected clinical trials (randomized controlled trial, quasi-randomized controlled trial, controlled clinical trial) to investigate the effects of Soyo-san and its modifications on general symptoms, fatigue, depression and anxiety in CFS patients. The databases used for data retrieval were Pubmed, Central Cochrane, Embase, CNKI, CQVIP, Wanfang, CiNii, OASIS, RISS, and Koreamed. We performed selection/exclusion process from the found studies to conform with prespecified criteria, and assessed the final included trials according to the Cochrane risk of bias tool. The included studies were classified based on the interventions in experimental and control group. Eight randomized controlled trials and one controlled clinical trial (total 921 participants) were eligible and their results were synthesized in the meta analysis. The synthesis showed a considerable effect of Soyo-san and its modifications on improvement of general symptoms (relative risk 0.27 [95% CI 0.19 to 0.39], Z=7.03, P<0.00001; I2=0%) and fatigue severity (SMD -1.20 [95% CI -1.46 to -0.93], Z=8.78, P<0.00001; I2=52%) in CFS patients, while Effect on depression and anxiety were inconclusive. We found that Soyo-san and its modifications were effective for improvement of general symptoms and fatigue severity in CFS post-treatment.

정상성인의 팔굽 굽힘 시 자기통제 피드백이 고유수용성감각에 미치는 영향 (The Effect of Self-controlled Feedback on Proprioception in Elbow Flexion of Healthy Subjects)

  • 윤정규
    • 대한물리의학회지
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    • 제7권4호
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    • pp.493-500
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    • 2012
  • PURPOSE: The purpose of this study was to investigate effect of self-controlled feedback on proprioception in elbow flexion. METHODS: Thirty young adult volunteered to participate and were randomly assigned to one of three groups (self-controlled, yoked, control). Power and velocity in elbow flexion was measured by PRIMUS RS (BTE Tech., Hanover, U.S.A). Statistical analysis was used multivariate ANOVA to know effect of self-controlled feedback on proprioception in elbow flexion. Post hoc was used Scheffe. RESULTS: In acquisition phase to practice effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. In retention phase to learning effect, variable errors in self-controlled group was significantly low scored more than yoked and control group. CONCLUSION: Self-controlled feedback was more effective on movement control when the learner could make a decision about receiving feedback after the trial. This seems to support the view that self-controlled feedback benefits learning, because learners can make a decision about feedback based on their performance on a given trial.

침 관련 근거중심의학의 연구 동향 - Randomized Controlled Trial을 중심으로 - (Research Trends in Evidence Based Medicine on Acupuncture -Randomized Controlled Trial-)

  • 이로민;남상수;이상훈;김용석
    • Journal of Acupuncture Research
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    • 제26권2호
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    • pp.147-158
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    • 2009
  • Objectives : The purpose of this study is to review the recent research trends of evidence based medicine, especially human randomized controlled trials on acupuncture. Methods : The articles were collected by retrieving the database of Pubmed and Journal of Korean Acupuncture & Moxibustion Society. The retrieving period was from October 2003 to September 2008, and the search term was 'acupuncture'. The articles were classified according to their publication journals, countries, publication years, targeted diseases, types of acupuncture and types of control. Results : In total, 558 articles in Pubmed and 35 articles in Journal of Korean Acupuncture & Moxibustion Society were searched. The number of articles on acupuncture research has increased with higher rate since 2000, but the Qualitative development has not achieved the same amplitude. Studies in Korea were insufficient both in Qualitative and Quantitative aspects. In countries, China had the most papers, and in targeted diseases, pain diseases were most dominant. In the types of acupuncture, classical acupuncture, and in the types of control, conventional western treatment showed the highest frequency. Conclusions: We need to do many-sided and more high Quality researches on acupuncture. For that, well-designed randornized trials are absolutely necessary.

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간편 시행쐐기법을 이용한 스파이럴 파이프 네일링 시스템의 안정해석 및 적용성에 관한 연구 (A Study on Application and Stability Analysis of Spiral Pipe Nailing System Using Simplified Trial Wedge Method)

  • 김홍택;박시삼;박성철;정성필
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2004년도 춘계학술발표회
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    • pp.651-658
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    • 2004
  • In this study, we introduced the spiral pipe nailing system (refer as SPN system) with self drilling method, can apply to ground which is hard to keep shape of bore hole, and performed limit equilibrium analysis with simplilied trial wedge method while length ratio and bond ratio were altered to evaluate slope stability considered of tensile strength and bending stiffness. A newly soil nailing system named as the SPN system is respected to reduce displacement of nail and increase global slope stability. And effects of various factors related to the design of the SPN system, such as the type of drilling method and the bit, are examined throughout a series of the displacement-controlled field pull-out tests. 6 displacement-controlled field pull-out tests are performed in the present study and the volume of grouting arc also evaluated based on the measurements. In addition, short-term characteristics of pull-out deformations of the newly proposed SPN system are analyzed and compared with those of the general soil nailing system by carrying out the displacement-controlled field pull-out tests.

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A randomized, double-blind, placebo-controlled pilot study to assess the effects of protopanaxadiol saponin-enriched ginseng extract and pectinase-processed ginseng extract on the prevention of acute respiratory illness in healthy people

  • Hwang, Jeong-Hwan;Park, Soo-Hyun;Choi, Eun-Kyung;Jung, Su-Jin;Pyo, Mi Kyung;Chae, Soo-Wan
    • Journal of Ginseng Research
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    • 제44권5호
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    • pp.697-703
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    • 2020
  • Background: GS-3K8 and GINST, both of which are modified ginseng extracts, have never been examined in terms of their effectiveness for the prevention of acute respiratory illness (ARI) in humans. We conducted a pilot study to assess the feasibility of performing a large-scale, randomized, controlled trial. Methods: This study was a randomized, double-blind, placebo-controlled, pilot study at a single center from October 2014 to March 2015. The 45 healthy applicants were randomly divided into the GS-3K8 (n = 15), GINST (n = 15), and placebo groups (n = 15). The study drug was administered as a capsule (500 mg/cap and 3000 mg/day). GS-3K8 contained 6.31 mg/g of Rg1, 15.05 mg/g of Re, 30.84 mg/g of Rb1, 15.02 mg/g of Rc, 12.44 mg/g of Rb2, 6.97 mg/g of Rd, 1.59 mg/g of Rg3, 3.25 mg/g of Rk1, and 4.84 mg/g of Rg5. GINST contained 7.54 mg/g of Rg1, 1.87 mg/g of Re, 5.42 mg/g of Rb1, 0.29 mg/g of Rc, 0.36 mg/g of Rb2, 0.70 mg/g of Rd, and 6.3 mg/g of compound K. The feasibility criteria were the rates of recruitment, drug compliance, and successful follow-up. The primary clinical outcome measure was the incidence of ARI. The secondary clinical outcome measures were the duration of symptoms. Results: The rate of recruitment was 11.3 participants per week. The overall rate of completed follow-up was 97.8%. The mean compliance rate was 91.64 ± 9.80%, 95.28 ± 5.75%, and 89.70 ± 8.99% in the GS-3K8, GINST, and placebo groups, respectively. The incidence of ARI was 64.3% (9/14; 95% confidence interval [CI], 31.4-91.1%), 26.7% (4/15; 95% CI, 4.3-49.0%), and 80.0% (12/15; 95% CI, 54.8-93.0%) in the GS-3K8, GINST, and placebo groups, respectively. The average days of symptoms were 3.89 ± 4.65, 9.25 ± 7.63, and 12.25 ± 12.69 in the GS-3K8, GINST, and placebo groups, respectively. Conclusion: The results support the feasibility of a full-scale trial. GS-3K8 and GINST appear to have a positive tendency toward preventing the development of ARI and reducing the symptom duration. A randomized controlled trial is needed to confirm these findings.

Barriers to Participation in a Randomized Controlled Trial of Qigong Exercises Amongst Cancer Survivors: Lessons Learnt

  • Loh, Siew Yim;Lee, Shing Yee;Quek, Kia Fatt;Murray, Liam
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권12호
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    • pp.6337-6342
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    • 2012
  • Background: Clinical trials on cancer subjects have one of the highest dropout rates. Barriers to recruitment range from patient-related, through institutional-related to staff-related factors. This paper highlights the low response rate and the recruitment barriers faced in our Qigong exercises trial. Materials and Method: The Qigong trial is a three-arm trial with a priori power size of 114 patients for 80% power. The University Malaya Medical Centre database showed a total of 1,933 patients from 2006-2010 and 751 patients met our inclusion criteria. These patients were approached via telephone interview. 131 out of 197 patients attended the trial and the final response rate was 48% (n=95/197). Results: Multiple barriers were identified, and were regrouped as patient-related, clinician-related and/or institutional related. A major consistent barrier was logistic difficulty related to transportation and car parking at the Medical Centre. Conclusions: All clinical trials must pay considerable attention to the recruitment process and it should even be piloted to identify potential barriers and facilitators to reduce attrition rate in trials.

슬개골 연골연화증의 무작위대조군 연구 최근 5년간의 경향 분석: 중국지식기초설시공정(中國智識基礎設施工程)(CNKI) 검색을 중심으로 (A Review of Randomized Controlled Trial Studies during 5 Years for Treatment of Chondromalacia Patella Using China National Knowledge Infrastructure Database)

  • 최윤영;양수현;장영숙;김현진;안재영;이수진;오다윤;홍누리;김두희
    • 한방재활의학과학회지
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    • 제30권2호
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    • pp.77-93
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    • 2020
  • Objectives This study was conducted to investigate randomized controlled trial studies about clinical treatment of traditional Chinese medicine for chondromalacia patellae. Methods We searched randomized controlled trial studies about traditional Chinese medicine treatment for chondromalacia patella through China National Knowledge Infrastructure (CNKI). 27 articles published from 2015-2019 were finally chosen and analyzed by published year, number of samples, evaluation criteria, treatment duration, treatment method. Results Various treatments such as acupuncture therapy, herbal medicine, moxibustion therapy, manipulation, external treatment were practiced in China. Most of them were combined with western medicine or injection, rehabilitation therapy. Conclusions There were diverse studies about traditional Chinese medical treatment for chondromalacia patellae in China. In Korea, more clinical research about chondromalacia patellae is still needed. This study will be helpful for future research on Korean medicine for chondromalacia patellae.