Abstract：
:Clinical research registration is required in many countries to improve transparency of clinical research and to ensure subject safety. Developed in February 2010, the Clinical Research Information Service (CRIS) is an online registration system for clinical studies in Korea and one of the primary registries of the World Health Organization (WHO) International Clinical Trials Registry Platform. The present analysis investigated the characteristics of studies registered in the CRIS between February 2010 and December 2014. Data for the analysis were extracted from the CRIS database. As of December 31, 2014, 1,323 clinical studies were registered. Of these, 938 (70.9%) were interventional studies and 385 (29.1%) were observational studies. A total of 248 (18.7%) studies were funded by government sources, 1,051 (79.4%) by non-government sources, and 24 (1.8%) by both. The most frequently studied disease category based on the ICD-10 classification was the digestive system (13.1%), followed by the nervous system (9.4%) and musculoskeletal system (9.1%). Only 17.8% of the studies were registered prior to enrollment of the first subject. Comparing the number of registered or approved clinical studies between the CRIS, the Ministry of Food and Drug Safety, and ClinicalTrials.gov suggests that a considerable number of clinical studies are not registered with the CRIS; therefore, we would suggest that such registration should be the mandatory legal requirement.
journal_name
J Korean Med Scijournal_title
Journal of Korean medical scienceauthors
Choi EK,Kim MJ,Lim NK,Park HYdoi
10.3346/jkms.2016.31.1.1subject
Has Abstractpub_date
2016-01-01 00:00:00pages
1-8issue
1eissn
1011-8934issn
1598-6357journal_volume
31pub_type
杂志文章,评审abstract：:We evaluated the effects of a combined therapy of pre-blockade endogenous nitric oxide synthase (NOS) with N-nitro-L-arginine methyl ester (L-NAME) and continuous inhaled NO (iNO) on the gas exchange and hemodynamics of Escherichia coli pneumonia and sepsis in newborn piglets. Seven to ten day old ventilated newborn p...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2006.21.6.965
更新日期：2006-12-01 00:00:00
abstract：:HIV-1 gp41 is an envelope protein that plays an essential role in virus entry. The mutation of gp41 affects HIV-1 entry and susceptibility to the fusion inhibitor T-20. Therefore, we analyzed the natural polymorphism of gp41 of 163 HIV-1 isolates from T-20-naïve Koreans infected with HIV-1. This study of gp41 polymorp...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2014.29.3.456
更新日期：2014-03-01 00:00:00
abstract：Background:We described a novel multi-step retinal fundus image reading system for providing high-quality large data for machine learning algorithms, and assessed the grader variability in the large-scale dataset generated with this system. Methods:A 5-step retinal fundus image reading tool was developed that rates im...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2018.33.e239
更新日期：2018-08-08 00:00:00
abstract：:The fetus is an unstable subject for an isolated physiological and biochemical study. To study the fetus in a controlled and stable environment, a trial was done using 12 goat fetuses. Extrauterine incubation system was devised using an extracorporeal membrane oxygenation system. The system consisted of a venous reser...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2002.17.5.663
更新日期：2002-10-01 00:00:00
abstract：:Telomere shortening and telomerase activation occur frequently in cases of colorectal carcinoma. In this study, we correlated the clinicopathological parameters with the telomere length in colorectal carcinomas, colonic polyps, and normal colonic tissues. We also investigated whether the telomere length changes reflec...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2002.17.3.360
更新日期：2002-06-01 00:00:00
abstract：BACKGROUND:High-dose intravenous steroids are the first-line treatment for patients with moderate-to-severe and active Graves' ophthalmopathy (GO). We aimed to investigate the response rate of methylprednisolone (MPD) treatment among Korean patients with active moderate-to-severe GO and to identify predictive factors o...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2020.35.e177
更新日期：2020-06-15 00:00:00
abstract：:The Korean national health security system covers the entire population and all medical facilities. We aimed to estimate epilepsy prevalence, anticonvulsant utilization pattern and the cost. We identified prevalent epilepsy patients by the prescription of anticonvulsants under the diagnostic codes suggesting seizure o...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2012.27.3.285
更新日期：2012-03-01 00:00:00
abstract：:Japanese hop (Hop J) pollen has been considered as one of the major causative pollen allergens in the autumn season. We developed a new Hop J immunotherapy extract in collaboration with Allergopharma (Reinbeck, Germany) and investigated immunologic mechanisms during 3 yr immunotherapy. Twenty patients (13 asthma with ...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2006.21.5.805
更新日期：2006-10-01 00:00:00
abstract：:Vascular endothelial growth factor (VEGF) is a multi-functional cytokine involved in inflammation, repair and angiogenesis in asthmatic airway. This study aimed to evaluate the role of VEGF in immediate bronchoconstriction induced by TDI inhalation, and in chronic TDI-asthma patients. 11 newly diagnosed TDI-asthma pat...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2004.19.3.359
更新日期：2004-06-01 00:00:00
abstract：:A retrospective study was conducted to determine the mortality, causes and risk factors for death among HIV-infected patients receiving antiretroviral therapy (ART) in Korea. The outcomes were determined by time periods, during the first year of ART and during 1-5 yr after ART initiation, respectively. Patients lost t...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2013.28.7.990
更新日期：2013-07-01 00:00:00
abstract：BACKGROUND:Previous studies suggest that the impact of social factors on harmful alcohol use between men and women may be different. We aimed to explore the gender-based difference in temporal trend and social risk factors associated with harmful alcohol use. METHODS:The Korea National Health and Nutrition Examination...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2018.33.e23
更新日期：2018-01-22 00:00:00
abstract：:Neuroblastomas originating from different sites might have different clinical and biological characteristics. In the present study, the clinical (age, sex and stage) and biological (N-myc amplification, Shimada pathology and levels of lactate dehydrogenase, ferritin and neuron-specific enolase) characteristics of pati...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2009.24.3.461
更新日期：2009-06-01 00:00:00
abstract：:The purpose of this study was to determine the clinical significance of nodal micrometastasis detected by immunohistochemistry in patients that had undergone curative surgery for pancreatic cancer. Between 2005 and 2006, a total of 208 lymph nodes from 48 consecutive patients with pancreatic cancer that had undergone ...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2011.26.7.881
更新日期：2011-07-01 00:00:00
abstract：:Recently reports on toxocariasis are increasing by serodiagnosis in Korea. A previously healthy 17-yr-old boy complained of headache, fever, dyspnea, and anorexia. He showed symptoms and signs of eosinophilic meningitis with involvement of the lungs and liver. Specific IgG antibody to Toxocara canis larval antigen was...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2012.27.9.1105
更新日期：2012-09-01 00:00:00
abstract：:Management of cryptogenic massive hemoptysis is difficult, and conservative treatment may be inadequate to stop the hemorrhage. Surgery is not a reasonable option because there is no underlying identifiable pathology. This study aimed to investigate the radiologic findings and bronchial artery embolization outcomes in...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2015.30.5.591
更新日期：2015-05-01 00:00:00
abstract：BACKGROUND:On February 21, 2020, 2 coronavirus disease 2019 (COVID-19) cases in pilgrim travelers from Korea to Israel were identified. We investigated the source of infection, clinical features of COVID-19, and transmission potential of presymptomatic and asymptomatic cases. METHODS:All 39 pilgrim travelers were aggr...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2020.35.e424
更新日期：2020-12-14 00:00:00
abstract：:To investigate the histopathological characteristics of inverted papillomas of the urinary bladder, including the possibility of malignant transformation, we studied the indicators of cellular proliferation activity in 7 inverted papillomas of the bladder including two cases of malignant inverted papilloma of the blad...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.1995.10.2.103
更新日期：1995-04-01 00:00:00
abstract：:Magnetic resonance-guided focused ultrasound (MRgFUS) is a new emerging neurosurgical procedure applied in a wide range of clinical fields. It can generate high-intensity energy at the focal zone in deep body areas without requiring incision of soft tissues. Although the effectiveness of the focused ultrasound techniq...
journal_title：Journal of Korean medical science
pub_type： 杂志文章,评审
doi：10.3346/jkms.2018.33.e279
更新日期：2018-10-04 00:00:00
abstract：:The aim of this study was to determine the risk factors for nosocomial infections of imipenem-resistant Pseudomonas aeruginosa (IRPA). A prospective case-control study was performed at a tertiary care hospital in Ankara from January to December 2004. The patients with nosocomial P. aeruginosa infection were included i...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2008.23.6.982
更新日期：2008-12-01 00:00:00
abstract：:Scrotal leiomyomas with atypical bizarre nuclei are rare, which might be misdiagnosed as malignant tumor. We describe a case of scrotal bizarre leiomyoma in a 65-yr-old man. The tumor was a 1 cm-sized, well circumscribed, oval mass arising from the tunica dartos muscle. Histologically, it was formed by whorling bundle...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2003.18.3.452
更新日期：2003-06-01 00:00:00
abstract：:Thoracic endovascular aortic repair (TEVAR) shows limitations in cases in which the aortic pathology involves the aortic arch. The study aims were to test a fenestrated aortic arch stent graft (FASG) with a preloaded catheter for the supraaortic arch vessels and to perform a preclinical study in swine to evaluate the ...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2015.30.4.426
更新日期：2015-04-01 00:00:00
abstract：:X-linked hypophosphatemic rickets (XLH) results from mutations in the PHEX gene. Mutational analysis of the PHEX gene in 15 unrelated Korean patients with hypophosphatemic rickets revealed eight mutations, including five novel mutations, in nine patients: two nonsense mutations, two missense mutations, one insertion, ...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2007.22.6.981
更新日期：2007-12-01 00:00:00
abstract：:Medial medullary infarction is usually manifested as hypoglossal palsy, limb weakness, impairment of proprioception, and oculomotor disturbance. We report a case with the unusual presentation of sensory ataxia. A 71 year-old male presented with ataxia and disequilibrium. Bilateral dysmetria, truncal ataxia, Upbeat nys...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.1996.11.2.193
更新日期：1996-04-01 00:00:00
abstract：:Default from tuberculosis (TB) treatment could exacerbate the disease and result in the emergence of drug resistance. This study identified the risk factors for default from TB treatment in Korea. This single-center case-control study analyzed 46 default cases and 100 controls. Default was defined as interrupting trea...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2016.31.2.254
更新日期：2016-02-01 00:00:00
abstract：:Small pancreatic cancers (longest diameter
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2007.22.S.S79
更新日期：2007-09-01 00:00:00
abstract：:Fibrocartilaginous dysplasia (FCD) has occasionally led to a misdiagnosis and wrong decision which can significantly alter the outcome of the patients. A 9-yr-old boy presented with pain on his left distal thigh for 6 months without any trauma history. Initial radiographs showed moth eaten both osteolytic and osteoscl...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2013.28.4.631
更新日期：2013-04-01 00:00:00
abstract：:We conducted this study to investigate the synergistic effect of human urine-derived stem cells (USCs) and surface modified composite scaffold for bladder reconstruction in a rat model. The composite scaffold (Polycaprolactone/Pluronic F127/3 wt% bladder submucosa matrix) was fabricated using an immersion precipitatio...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2015.30.12.1754
更新日期：2015-12-01 00:00:00
abstract：:Dexamethasone has been widely used in very low birth weight infants (VLBWI) weighing less than 1,500 g at birth for the prevention or treatment of chronic lung disease (CLD). Recently, however the use of dexamethasone is being reduced, as its association with abnormal neurodevelopmental outcome is known. On the other ...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2004.19.4.514
更新日期：2004-08-01 00:00:00
abstract：:Despite rapid increase in incidence of prostate cancer (PC) and PC survivors, there are few studies regarding competing causes of death and time trends in Asian population. We conducted a cohort study of 2% nationwide random sample of Korean National Health Insurance employees. A total of 873 patients who had received...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2016.31.11.1802
更新日期：2016-11-01 00:00:00
abstract：BACKGROUND:Chronic obstructive pulmonary disease (COPD) is a debilitating lung disease. To date, a large number of clinical studies have been conducted to investigate the association between genetic variations and COPD. However, little is known regarding the genetic susceptibility of Koreans to this disease. MER recept...
journal_title：Journal of Korean medical science
pub_type： 杂志文章
doi：10.3346/jkms.2018.33.e56
更新日期：2018-02-12 00:00:00
