Clinical trials

10

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Condition / disease
Location
Status: Recruiting

Hativ® ELectrocardiogram Monitoring on Patients With Suspected Arrhythmia

HELP-A is a prospective, randomized, open-label, multicenter comparative-effectiveness trial comparing two ambulatory electrocardiographic monitoring strategies in adults with palpitations or dizziness and a nondiagnostic 12-lead ECG. A total of 588 participants are randomized 1:1 to 30-day intermittent handheld 6-lead ECG monitoring (Hativ) or up to 7 days of continuous single-lead patch ECG monitoring (Memo Patch). The primary endpoint is clinically informative symptom-rhythm correlation established with the initially assigned device by the 1-month follow-up visit. Participants without a symptom-rhythm correlation who remain symptomatic may undergo optional sequential monitoring with the alternative device after primary endpoint ascertainment. Clinical outcomes, arrhythmia-directed interventions, healthcare resource utilization, costs, and adverse events are assessed through 3 months.

Participants needed: 588
Trial details
Age: 19+Biological sex: AllType: InterventionalSponsor: Wonju Severance Christian HospitalUpdated: Oct 5, 2026Locations: 4
Eligibility criteria

Age 19 years or older. [+4]

Physical disability or another condition that prevents appropriate use of the ha... [+3]

Status: Not yet recruiting

Flow Dynamics During Simulated Hemostasis at the Proximal and Distal Radial Arteries

Transradial access (TRA) has been widely adopted for coronary angiography and percutaneous coronary intervention, as it has been shown to significantly reduce bleeding complications, vascular complications, and mortality compared with transfemoral access (TFA). Based on this evidence, recent international guidelines recommend TRA as the preferred access strategy. Radial artery occlusion (RAO), a potential complication following TRA, is often clinically silent and therefore underestimated. However, RAO has important clinical implications, particularly in patients who may require repeated coronary procedures, those in whom the radial artery may be used as a conduit for coronary artery bypass grafting, or patients with chronic kidney disease requiring arteriovenous fistula formation. Therefore, maintaining radial artery patency after the procedure is of considerable clinical importance. Distal radial access (DRA), which utilizes the radial artery at the anatomical snuffbox, is a relatively recent approach. Multiple studies and meta-analyses have demonstrated that DRA provides comparable procedural success rates to TRA while significantly reducing bleeding complications and the incidence of RAO. Notably, despite the generally accepted association between smaller vessel diameter and higher risk of occlusion, DRA paradoxically shows a lower incidence of RAO. The underlying mechanism for this observation remains incompletely understood. Sgueglia et al. evaluated peak systolic velocity using Doppler ultrasonography under conditions of arterial compression and reported that antegrade blood flow was better preserved during distal radial artery compression compared with proximal radial artery compression. This finding suggests a potential mechanistic explanation for the lower incidence of RAO observed with DRA. However, there is a paucity of studies that systematically evaluate hemodynamic changes under simulated real-world hemostatic conditions at both proximal and distal radial arteries. Therefore, the aim of this study is to quantitatively assess hemodynamic changes induced by simulated occlusive hemostasis at the proximal and distal radial arteries using Doppler ultrasonography, and to elucidate the mechanisms underlying the lower incidence of RAO observed with DRA.

Participants needed: 220
Trial details
Biological sex: AllType: ObservationalSponsor: Wonju Severance Christian HospitalUpdated: Jul 6, 2026Locations: 1
Eligibility criteria

Not listed

Status: Not yet recruiting

Long-term Follow-up of Bio-signals and Quality of Recovery Following Implementation of ERAS

The goal of this clinical trial is to evaluate the effect of an Enhanced Recovery After Surgery(ERAS) protocol in patients undergoing gynecologic laparoscopic surgery under general anesthesia. The main question it aims to answer is: Does the ERAS protocol improve the quality of recovery compared to standard treatments? Researchers will compare ERAS protocol with standard treatment to see if ERAS protocol improves the quality of recovery after surgery. Participants will: * Receive ERAS protocol during the hospitalization * Undergo bio-signal monitoring for one month using Hi-Cardi Plus device and Galaxy Watch 7 * Visit the hospital at one week and one month after discharge * Complete questionnaires(QOR-15K, WHO-DAS 2.0, EQ-5D-3L) at 24 hours after surgery, at discharge, one week after discharge, and one month after discharge

Participants needed: 200
Trial details
Age: 20-70Biological sex: FemaleType: InterventionalSponsor: Wonju Severance Christian HospitalUpdated: Aug 28, 2025Locations: 1
Eligibility criteria

Age between 20 and 70 years [+2]

American Society of Anesthesiologists(ASA) physical status classification IV or... [+6]

Status: Recruiting

Sudden Sensorineural Hearing Loss in Wonju Severance Christian Hospital

This study is to build a cohort of sudden sensorineural hearing loss (SSNHL) patients. When the patient visited the Department of otolaryngology clinic for hearing loss, we can diagnose the SSNHL following the result of pure tone audiometry and the history of the patient. The cohort is a system that tracks the hearing recovery status, timing, and degree of recovery of patients who received cocktail therapy with or without high-dose steroids, vasodilators, antiviral agents, and intratympanic steroid injections, satellite ganglion block, and hyperbaric oxygen therapy.

Participants needed: 1,000
Trial details
Age: 20-100Biological sex: AllType: ObservationalSponsor: Wonju Severance Christian HospitalUpdated: Mar 26, 2025Locations: 1Duration: 6 Months
Eligibility criteria

Adult patients over 20 years of age [+2]

If the patients do not want to or do not fill out the consent form [+2]

Status: Not yet recruiting

Home High-Flow Nasal Cannula vs. Noninvasive Ventilation for Stable Chronic Respiratory Failure

The goal of this clinical trial is to compare the effects of home high-flow nasal cannula (HFNC) therapy and noninvasive ventilation (NIV) in patients with stable chronic hypercapnic respiratory failure. The main questions it aims to answer are: * Does HFNC or NIV reduce blood carbon dioxide levels more effectively? * How well do patients tolerate and adhere to each therapy? * Are there differences in oxygen saturation, respiratory rate, and quality of life between the two treatments? Participants Will: * Use either HFNC (myAirvo2®) or NIV (Trilogy Evo®) every night for at least 4 hours over a 6-week period. * Visit the hospital for checkups and arterial blood gas tests at the end of each 6-week period. * Switch to the alternate device after six weeks as part of the crossover study design. * Have their device usage recorded and analyzed.

Participants needed: 38
Trial details
Age: 40+Biological sex: AllType: InterventionalSponsor: Wonju Severance Christian HospitalUpdated: Mar 12, 2025Locations: 1
Eligibility criteria

Adult aged 40 years or older [+4]

A person who disagrees with the content of a informed consent [+3]

Status: Not yet recruiting

Pharmacogenomics of Mood Disorder in Chronic Kidney Disease Patients

By using genetic information we could predict the prevalence of mood disorder and response to treatment.

Participants needed: 300
Trial details
Age: 18-90Biological sex: AllType: ObservationalSponsor: Wonju Severance Christian HospitalUpdated: Nov 5, 2024Duration: 10 Years
Eligibility criteria

CKD patients aged 18 to 90 years

no CKD patients, aged below 18 or above 90 years

Status: Recruiting

Prognostic Value Of Short-Term Follow-up Biomarkers After Discharge In hOspitalized Patients With Acute Heart Failure

Several surrogate biomarkers including natriuretic peptide(NP), and growth differentiation factor-15(GDF-15) and ST2 has prognostic significance in heart failure(HF), and reductions in its value may predict clinical improvement. However, there are limited data regarding the prognostic value of these biomarkers during short-term follow-up after discharge in acute decompensated heart failure. The purpose of this study is to evaluate the prognostic value of short-term follow-up surrogate biomarkers for predicting prognosis of hospitalized patients with acute decompensated heart failure.

Participants needed: 1,500
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Wonju Severance Christian HospitalUpdated: Sep 19, 2024Locations: 1Duration: 12 Months
Eligibility criteria

heart failure with reduced ejection fraction ( A 'reduced' ejection fraction (EF... [+1]

any severe condition limiting life less than 3 months [+1]

Status: Not yet recruiting

Digital Based Home Care Service for Ostomy Patients

This study aims to enhance the physical, psychological, and social aspects of stoma care by providing a self-management service via a smartphone application, and to evaluate the impact of this digital-based application on patients' quality of life.

Participants needed: 120
Trial details
Age: 19-79Biological sex: AllType: InterventionalSponsor: Wonju Severance Christian HospitalUpdated: Aug 9, 2024
Eligibility criteria

Patients aged 19 years or older [+2]

Patients younger than 19 years [+6]

Status: Recruiting

The Safety of Nafamostat Mesylate for Patients With High Risk Bleeding Undergoing Hemodialysis: A Pilot Study

Comparison nafamostat and low molecular weight heparin among dialysis patients

Participants needed: 100
Trial details
Age: 18-99Biological sex: AllType: InterventionalSponsor: Wonju Severance Christian HospitalUpdated: Jul 30, 2024Locations: 1
Eligibility criteria

platelet below 10k PTT above 60 second INR above 20 patient with bleeding (epist...

cancer liver cirrhosis pregnancy drug allergy current bleeding on major organ (b...

Status: Recruiting

CARbon monoxidE intoxiCatiOn in Korea: Prospective Cohort (CARE CO Cohort)

This prospective cohort study enrolls subjects who experience carbon monoxide (CO) poisoning. The purpose of the study is to evaluate therapeutic effects of various treatments and short and long-term outcomes in CO poisoned patients. In addition, complications of brain and heart susceptible to CO are investigated through various ways and the association between complications and the patient's prognosis is also investigated. All subjects will be regularly monitored by physicians participating in this study.

Participants needed: 1,500
Trial details
Biological sex: AllType: ObservationalSponsor: Wonju Severance Christian HospitalUpdated: Jul 23, 2024Locations: 1
Eligibility criteria

Acute CO poisoning

Declined to enrollment in the study