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Effectiveness and Safety of Nexpowder as an Endoscopic Hemostatic Treatment

A Prospective, Multicenter, Open-label, Randomized Controlled Study to Evaluate Safety and Effectiveness of Endoscopic Hemostatic Powder, 'Nexpowder' for Hemostatic Treatments of Lower Gastrointestinal Bleeding After Colon Polypectomy

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05884931
Enrollment
66
Registered
2023-06-01
Start date
2022-10-18
Completion date
2023-12-29
Last updated
2024-02-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

GastroIntestinal Bleeding

Brief summary

In patients who show signs of bleeding and bleeding after polypectomy such as EMR and ESD for polyps with a diameter of 2 cm or more in the lower gastrointestinal tract, the effectiveness and safety of Nexpowder as an endoscopic hemostatic treatment are confirmed.

Detailed description

Total number of target subjects 66 Test group 33 / Control group: 33 If endoscopic polypectomy is performed on polyps of 2cm or more, the probability of bleeding as a complication is 6.5%. This clinical study is an observational study to confirm the safety and effectiveness of Nexpowder, an endoscopic hemostatic powder after colonoscopy polypectomy, and an exploratory evaluation of 60 patients is conducted.

Interventions

DEVICENexpowder

Hemostatic powder for endoscopy after colonoscopy polypectomy

PROCEDUREConventional Treatment

Standard hemostatic procedure

Sponsors

Next Biomedical Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Adult volunteers aged 19 or older during screening 2. A person who is scheduled to perform polypectomy for polyps with a diameter of 2 cm or more, such as Endoscopic Mucosal Resection (EMR) or Endoscopic Submucosal Dissection (ESD) 3. If the researcher agrees to voluntarily participate in the clinical study and determines that the subject cannot voluntarily consent due to the elderly aged 80 or older or other emergency situations, a written consent of the subject's legal representative is required

Exclusion criteria

1. Upper gastrointestinal bleeding 2. If ulcerative bleeding is not caused by the procedure 3. If you are suffering from a blood clotting disorder 4. Aspirin and anticoagulant medications cannot be discontinued 5. Pregnant or lactating 6. Where colonoscopy is prohibited due to comorbid diseases, etc 7. If the bleeding area cannot be identified or the bleeding area cannot be reached with an endoscope 8. If you have participated in a relevant clinical trial that may affect the results of this study within the last one month 9. Those with genetic problems such as galactose intolerance, Lapp lactase deficiency, or glucose galactose malabsorption 10. A person who is hypersensitive to food additive Blue No. 1 or has a history of allergies 11. In the case where the researcher determines that it is inappropriate to participate in clinical trials due to other reasons other than the above selection

Design outcomes

Primary

MeasureTime frameDescription
Rate of rebleeding within 30 days of successful endoscopic hemostasis Except for cases of rebleeding within 7 days of successful endoscopic hemostasis)30 daysRate of rebleeding within 30 days of successful endoscopic hemostasis Except for cases of rebleeding within 7 days of successful endoscopic hemostasis)
Rate of rebleeding within 7 days of successful endoscopic hemostasis7 daysRate of rebleeding within 7 days of successful endoscopic hemostasis

Secondary

MeasureTime frameDescription
Perforation incidence7 daysPerforation incidence
Death rate7 daysDeath rate
Blood transfusion case rate7 daysBlood transfusion case rate
Number of usage of Nexpowder (experimental group)7 daysNumber of usage of Nexpowder (experimental group)
Incidence of device malfunction (experimental group)7 daysIncidence of device malfunction (experimental group)
Rate of ease of use (experimental group)7 daysRate of ease of use (experimental group)
Number of Nexpowder applications (experimental group)7 daysNumber of Nexpowder applications (experimental group)
Check for haemostasis within 5 minutes from the moment of application of Nexpowder Analysis of patients with bleeding during the initial hemostasis experimental group5 minCheck for haemostasis within 5 minutes from the moment of application of Nexpowder Analysis of patients with bleeding during the initial hemostasis experimental group

Other

MeasureTime frameDescription
Abnormal response intestinal obstruction, including gas embolism during a 30-day follow-up period30 daysAbnormal response intestinal obstruction, including gas embolism during a 30-day follow-up period

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026