• Title/Summary/Keyword: protocol for clinical trials

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Systematic Review for the Development of the Clinical Study with Economical Assessment Protocol on Atopic Dermatitis (아토피 피부염의 임상연구병행 경제성평가 프로토콜 개발을 위한 체계적 문헌고찰연구)

  • Gwon, Ji-Yae;Seon, Ji-Hye;Yun, Hwa-Jeong;Kim, Nam-Kwen
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.30 no.1
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    • pp.17-28
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    • 2017
  • Objectives : The aim of this study is reviewing the literature to extracting the key parameter and finding the calibration parameter for the clinical study with economical assessment protocol on atopic dermatitis. Methods : Literature search is performed using PUBMED for literature published from Janurary 2000 to December 2016. We included randomized controlled trials(RCTs) with economic assessment in which human participants. Results : Among the articles published from January 2000 to December 2016, The 1464 articles were found. After reviewing the title, abstract and full text, the five articles were selected. Selected articles are classified 3 CEA(cost effective analysis)study, 1 CMA(cost minimizing analysis)study and 1 cost analysis study. Conclusions : We found highly reliable key parameters and calibration parameters, which might be necessary factors for developing research protocol of economic evaluation alongside clinical trial about atopic dermatitis patients.

Systematic Review for the Development of the Clinical Study with Economical Assessment Protocol on Facial palsy (얼굴마비의 임상연구병행 경제성평가 프로토콜 개발을 위한 체계적 문헌고찰연구)

  • Gong, Na-Gyeong;Seo, Eunsung;Seon, Ji-Hye;Kim, Nam-Kwen
    • The Journal of Korean Medicine
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    • v.38 no.1
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    • pp.46-55
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    • 2017
  • Objectives: The aim of this study is reviewing the literature to extract the key parameter, study design, perspective, cost-effectiveness index and find the calibration parameter for the clinical study with economical evaluation protocol on facial palsy. Methods: Literature search is performed using PUBMED for literature published from January 2000 to December 2016. We included randomized controlled trials(RCTs) and modelling study with economic assessment in which human participated. Results: As a result of literature search, the 198 articles were found. After reviewing the title, abstract and full text, the 5 articles were selected. Selected articles are classified into 4 RCT studies dealing with quality of life and 1 CEA(cost-effectiveness analysis) study. Conclusions: We found reliable key parameters, calibration parameters and elements of economical assessment study, which might be necessary factors for developing research protocol of clinical trial with economic evaluation about facial palsy patients.

Multimodal Treatment Strategies in Esophagogastric Junction Cancer: a Western Perspective

  • Goetze, Thorsten Oliver;Al-Batran, Salah-Eddin;Berlth, Felix;Hoelscher, Arnulf Heinrich
    • Journal of Gastric Cancer
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    • v.19 no.2
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    • pp.148-156
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    • 2019
  • Esophagogastric junction (EGJ) cancer is a solid tumor entity with rapidly increasing incidence in the Western countries. Given the high proportion of advanced cancers in the West, treatment strategies routinely employed include surgery and chemotherapy perioperatively, and chemoradiation in neoadjuvant settings. Neoadjuvant chemoradiation and perioperative chemotherapy are mostly performed in esophageal cancer that extends to the EGJ and gastric as well as EGJ cancers, respectively. Recent trials have tried to combine both strategies in a perioperative context, which might have beneficial outcomes, especially in patients with EGJ cancer. However, it is difficult to recruit patients for trials, exclusively for EGJ cancers; therefore, the results have to be carefully reviewed before establishing a standard protocol. Trastuzumab was the first drug for targeted therapy that was positively evaluated for this tumor entity, and there are several ongoing trials investigating more targeted drugs in order to customize effective therapies based on tissue characteristics. The current study reviews the multimodal treatment concept for EGJ cancers in the West and summarizes the latest reports.

Recent advances in histiocytic disorders (조직구증식증후군의 최신지견)

  • Seo, Jong Jin
    • Clinical and Experimental Pediatrics
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    • v.50 no.6
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    • pp.524-530
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    • 2007
  • The recent advances in the basic hematology and immunology have significantly enhanced the understanding of histiocytic disorders. The Histiocyte Society which was established in 1985 enabled the randomized trials for these diseases, and important knowledge regarding pathogenesis, clinical presentation, diagnosis, therapy and late consequences has been obtained. The treatment of Langerhans cell histiocytosis (LCH) has varied greatly over last decades, and is still controversial. Therapy can be reduced for low risk patients, and it is possible to discriminate early the non-responding patients with risk disease who might require more intensified treatment. Current therapy of LCH recommended by the Histiocyte Society (LCH-III protocol) is activated in 2001. Hemophaocytic histiocytosis (HLH) is fatal if diagnosis is delayed and appropriate therapy is not instituted rapidly. The diagnostic criteria for HLH is revised by the Histiocyte Society for the current treatment protocol (HLH-2004) which consists of dexamethasone, etoposide, and cyclosporin in combination with intathecal methotrexate. Hematopoietic stem cell transplantation is usually necessary for the primary HLH and recurrent secondary HLH.

Effects of Lumbar Mobilization for Lower Limb Strength in Healthy Individuals: A Protocol for Systematic Review and Meta-Analysis

  • Choi, Wansuk;Choi, Taeseok;An, Hojung;Kim, Jisung;Heo, Seoyoon
    • Journal of International Academy of Physical Therapy Research
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    • v.11 no.2
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    • pp.2096-2101
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    • 2020
  • Background: The effect of mobilization on lumbar back pain has been fully described in several clinical aspects, but evidence for muscle strength would be still less clear. Objective: To assess the effect of lumbar mobilization on lower limb strength in healthy individuals. Methods and Analysis: Healthy people aged 18-65 will be included regardless of race or sex. Original peer-reviewed primary reporting randomized controlled trials (RCTs) will be included. Electronic databases, such as MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Web of Science, Pedro, CINAHL, ClinicalTrials.gov will be searched from inception until July 30. Only studies published in English will be included in this review. Two reviewers will complete the screening for eligibility independently, and the other two reviewers will also complete the risks of data extraction and bias assessment independently. Lower Limb strength will be assessed as primary outcome, and particular intervention or participant characteristics will be assessed as the secondary outcomes. Meta-analysis will be conducted using Review Manager 5.3.3, and evidence level will be assessed using the method for Grading of Recommendations Assessment, Development and Evaluation. Outcomes will be presented as the weighted mean difference or standardized mean difference with 95% CI. If I2 ≤ 50%, P>.1, the fixed effect model will be used, otherwise, random-effects model will be used. Ethics and dissemination: This review might not be necessary ethical approval because it does not require individual patient's data; these findings will be published in conference presentations or peer-reviewed journal articles. PROSPERO registration number: CRD42020150144.

The effect of acupuncture on hot flushes : A study protocol of multi-center randomized controlled clinical trial (갱년기 여성의 안면홍조에 대한 침치료 다기관 임상시험 : 프로토콜)

  • Park, Ji-Eun;Oh, Dal-Seok;Kang, Kyung-Won;Kim, Dong-Il;Choi, Sun-Mi
    • Korean Journal of Acupuncture
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    • v.24 no.3
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    • pp.33-45
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    • 2007
  • Background : Hot flushes are general postmenopausal symptoms which about 75% of climacteric women undergo. They affect hotness, perspirations, systemic weakness, panic disorders, insomnia. Acupuncture is effective in alleviating hot flushes in practice. Assessment effectiveness and safety of acupuncture in hot flushes would be needed through multi-center trial. Objectives : Purpose of this study is to develope the protocol of effects of acupuncture on hot flushes, a postmenopausal symptom in climacteric women. Methods & Results : It will be a multi-centered, randomized, sham controlled, comparative trial. It will be performed by Good Clinical Practice after approval of Institutional Review Board. Selection criteria will be set according those of FDA above moderate degree. There will be a notice on concomitant medication, other herbs, dietary supplements. Superficial needling on sham points will be used for control group. Treatment period will be 8 weeks with 12 weeks' follow up. Some questionnaire scale will be used as the primary and secondary outcome. Conclusions : The clinical trials based on this protocol will be performed.

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Risk of Breast Cancer and Total Malignancies in Rheumatoid Arthritis Patients Undergoing TNF-α Antagonist Therapy: a Meta-analysis of Randomized Control Trials

  • Liu, Yang;Fan, Wei;Chen, Hao;Yu, Ming-Xia
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.8
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    • pp.3403-3410
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    • 2014
  • Context: Interest exits in whether TNF-alpha antagonists increase the risk of breast cancer and total malignancies in patients with rheumatoid arthritis (RA). Objectives: To analyze the risk of malignancies, especially breast cancer, in patients with RA enrolled in randomized control trials (RCTs). Methods: A systematic literature search for RCTs from 1 January 1998 to 1 July 2013 from online databases, such as PubMed, WILEY, EMBASE, ISI web of knowledge and Cochrane Library was conducted. Studies included RCTs that compared the safety of at least one dose of the five TNF-${\alpha}$ antagonists with placebo or methotrexate (MTX) (or TNF-${\alpha}$ antagonists plus MTX vs placebo plus MTX) in RA patients for more than 24 weeks and imported all the references into document management software EndNote${\times}6$. Two independent reviewers selected studies and extracted the data about study design, patients' characteristics and the type, number of all malignancies. Results: 28 RCTs from 34 records with 11,741 patients were analyzed. Of the total, 97 developed at least one malignancy during the double-blind trials, and breast cancer was observed in 17 patients (17.5% of total malignancies). However, there was no statistically significant increased risk observed in either the per protocol (PP) model (OR 0.65, 95%CI [0.22, 1.93]) or the modified intention to treat (mITT) model (OR 0.75, 95%CI [0.25, 2.21]). There were also no significant trend for increased risk of total malignancies on anti-TNF-${\alpha}$ therapy administered at approved doses in either model (OR, 1.06, 95%CI [0.64, 1.75], and OR, 1.30, 95%CI [0.80, 2.14], respectively). As to the two models, modified intention to treat model analysis led to higher estimation than per protocol model analysis. Conclusions: This study did not find a significantly increased risk of breast cancer and total malignancies in adults RA patients treated with TNF-${\alpha}$ antagonists at approved doses. However, it cannot be ignored that more patients developed malignancies with TNF-${\alpha}$ antagonists therapy compared with patients with placebo or MTX, in spite of the lack of statistical significance, so that more strict clinical trials and long-term follow-up are needed, and both mITT and PP analyses should be used in such safety analyses.

Statistical implications of extrapolating the overall result to the target region in multi-regional clinical trials

  • Kang, Seung-Ho;Kim, Saemina
    • Communications for Statistical Applications and Methods
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    • v.25 no.4
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    • pp.341-354
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    • 2018
  • The one of the principles described in ICH E9 is that only results obtained from pre-specified statistical methods in a protocol are regarded as confirmatory evidence. However, in multi-regional clinical trials, even when results obtained from pre-specified statistical methods in protocol are significant, it does not guarantee that the test treatment is approved by regional regulatory agencies. In other words, there is no so-called global approval, and each regional regulatory agency makes its own decision in the face of the same set of data from a multi-regional clinical trial. Under this situation, there are two natural methods a regional regulatory agency can use to estimate the treatment effect in a particular region. The first method is to use the overall treatment estimate, which is to extrapolate the overall result to the region of interest. The second method is to use regional treatment estimate. If the treatment effect is completely identical across all regions, it is obvious that the overall treatment estimator is more efficient than the regional treatment estimator. However, it is not possible to confirm statistically that the treatment effect is completely identical in all regions. Furthermore, some magnitude of regional differences within the range of clinical relevance may naturally exist for various reasons due to, for instance, intrinsic and extrinsic factors. Nevertheless, if the magnitude of regional differences is relatively small, a conventional method to estimate the treatment effect in the region of interest is to extrapolate the overall result to that region. The purpose of this paper is to investigate the effects produced by this type of extrapolation via estimations, followed by hypothesis testing of the treatment effect in the region of interest. This paper is written from the viewpoint of regional regulatory agencies.

Report of the 3rd Japan-Korea Workshop on Acupuncture and EBM;Protocol development for the acupuncture trial on the osteoarthritis of the knee

  • Jang, Jun-Hyouk;Kenji, Kawakita;Hahn, Seo-Kyung;Park, Hi-Joon;Lee, Seung-Deok;Kim, Yong-Suk;Norihito, Takahashi;Toshiyuki, Shichidou;Kazunori, Itoh;Eiji, Sumiya;Eiji, Furuya;Hitoshi, Yamashita;Hiroshi, Tsukayama
    • Journal of Acupuncture Research
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    • v.23 no.6
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    • pp.239-254
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    • 2006
  • The 3rd Japan-Korea Workshop on Acupuncture and EBM was held at Kanazawa on June $16^{th}$. From Korea team, 4 papers were presented. Dr. Hahn introduced a new approach of data analysis on series of n-of-1 trials using the Bayesian statistics. It offered important information for the future n-of-1 trials. Dr. Park clearly demonstrated the significance of various sham devices proposed and stressed the importance of research questions when we choose the control intervention in RCT. Dr. Lee reported the results of survey in Korean Medical Doctors (KMD) for their point selection and techniques to the distal and local points. Dr. Kim presented the results of face to face survey on the KMD with 28 items for acupuncture treatment on the knee OA. Finally, a draft of protocol was introduced by Dr. Kim. The title was "multi-center, a randomized, single blinded, two arms, parallel-group study to compare the effectiveness and safety of 'individualized acupuncture' and 'standardized minimal acupuncture' in Korean and Japanese patients with knee osteoarthritis (Phase IV)". From Japan team, 7 speakers presented their comments and proposals on the protocol. Dr. Takahashi introduced several issues regarding n-of-1 trials and pointed out the importance of obtaining generalizability from n-of-1 trials. Dr. Shichidou pointed the importance of research design, selection of outcome measures and reduction of biases. Dr. Itoh presented the results of point selection for the knee OA based on the literature survey. Dr. Sumiya introduced several differences between KMD and Japanese acupuncturists based on the questionnaire used in KMD survey. Dr. Furuya demonstrated a result of press tack needle and its sham device on shoulder stiffness. Dr. Yamashita introduced the results of literature survey regarding adverse events occurred by acupuncture on knee OA. Dr.Tsukayama stressed the importance of responsibility of Institutional Review Board (IRB) for the conduction of clinical trials. After several issues were discussed, the need of continued meeting for final protocol development was agreed, then the workshop was closed.

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Telephone Survey for Developing Clinical Trial Protocol on Individualized Acupuncture Treatment for Knee Osteoarthritis (퇴행성 슬관절염의 맞춤형 침구 임상시험 프로토콜 개발을 위한 전화조사)

  • Seo, Byung-Kwan;Lee, Sang-Hoon;Seo, Jung-Chul;Lee, Seung-Deok;Kim, Sun-Woong;Choi, Sun-Mi;Kim, Yong-Suk
    • Journal of Acupuncture Research
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    • v.22 no.5
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    • pp.141-150
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    • 2005
  • Objectives : This study was accomplished in order to find out how Korean medical doctors take acupuncture prescription for knee osteoarthritis in clinical practice Methods : The survey questions were developed by the consensus from 4 professors and 10 residents who major in acupuncture & moxibustion for developing clinical trial protocol on individualized acupuncture treatment for knee osteoarthritis. 206 persons having more than 10 years experience were randomly selected from a list of Korean medical doctors. Telephone interviews with them were conducted by the well-trained interviewers between May 21 and May 27 in 2005. Results : 139 of 206 Korean medical doctors made an acupuncture prescription prior to treatment of knee osteoarthritis. 103 of 139 Korean medical doctors used both local and remote points, and 26 of them used remote points only, and 10 of them used local points only. In case of doctors who use remote points, the five element (45 of 129) or Saam (28 of 129) acupoints were used dominantly, and its was based on the pattern identification of the Jangbu organs related with the pain (56 of 129) or of the pain location (35 of 129). Conclusion : This study showed that Koran medical doctors prefer to use remote points such as five element or Saam acupoints based on the pattern identification of the Jangbu organs related with the pain or the pain location. These result may be useful for developing protocols for clinical trial on acupuncture on knee osteoarthritis.

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