NCT06724822进行中（未招募）不适用
A Pilot Human Investigation of the Safety, Tolerability, Effectiveness of the Aqua Medical Circumferential RF Vapor (RFV) Ablation System for Duodenal Mucosal Repeat Ablation Treatment for the Management of Type-2 Diabetes Mellitus (STEAM T-2 DM Retreatment Study) in Patients Who Were Non-Responders to Initial Duodenal Mucosal Ablation Treatment
Aqua Medical, Inc.1 个研究点 分布在 1 个国家目标入组 12 人开始时间: 2024年11月14日最近更新:
适应症
试验速览
- 阶段
- 不适用
- 状态
- 进行中（未招募）
- 发起方
- 入组人数
- 12
- 试验地点
- 1
- 主要终点
- Safety Endpoint
研究概览
简要总结
The purpose of this study is to test the hypothesis that re-treatment of the duodenal mucosa with RF vapor ablation will result in improvement in glycemic parameters, without complications (bleeding/ stricture / perforation) among subjects who failed to show improvement after initial treatment of the duodenal mucosa with RF vapor ablation.
详细描述
The aims of the study are:
- Evaluate the safety of the device and retreatment procedure based on the reported adverse events that occur.
- Evaluate the effectiveness of the device and procedure by comparing change in HbA1c from baseline to 168 days post retreatment procedure.
- Evaluate device tolerability based on pain scores reported by patients.
The subject population for this study are adults (18-65 years of age) with type-2 diabetes mellitus who have received initial RF vapor ablation of the duodenal mucosa and had improvement in HbA1C of <0.5% at their six month evaluation.
Twelve subjects, previously enrolled in the STEAM T2DM Pilot study did not show adequate (>0.5%) response to initial RF vapor ablation treatment of the duodenal mucosa.
Minimum study duration per subject is 6 months.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Subjects previously enrolled and treated in the STEAM T2DM Clinical study.
- •Subjects with improvement in HbA1c of ≤0.5% or with HbA1c of ≥ 7.5% at the 6-month visit while participating in the STEAM T2DM study.
- •Agrees to use an additional glucose-lowering treatment (e.g., liraglutide, other OAD except for glyburide), if recommended by the study Investigator in case of persistent hyperglycemia.
- •Able to comply with study requirements and understand and sign the Informed Consent Form
- •Compliance with STEAM T2DM clinical protocol
排除标准
- •Non-compliance with STEAM T2DM clinical protocol
- •Diagnosis of Type-1 Diabetes
- •History of diabetic ketoacidosis or hyperosmolar nonketotic coma.
- •Probable insulin production failure, defined as fasting C Peptide serum <1 ng/mL (333pmol/l).
- •Previous use of any types of insulin for >1 month (at any time, except for treatment of gestational diabetes).
- •Current use of injectable medications for diabetes (insulin, GLP-1RA).
- •Current use of glyburide, a sulfonylurea (SU) glucose-lowering drug for diabetes.
- •History of severe hypoglycemia (more than 1 severe hypoglycemic event, as defined by need for third-party assistance, in the last year).
- •Known autoimmune disease, including but not limited to celiac disease, duodenal Crohn disease or pre-existing symptoms of systemic lupus erythematosus, scleroderma or other systemic autoimmune connective tissue disorder
- •Previous GI surgery that could limit treatment of the duodenum such as Billroth 2, Roux-en-Y gastric bypass, or other similar procedures or conditions. (Prior laparoscopic sleeve gastrectomy (LSG) will not be an exclusion)
- •History of chronic or acute pancreatitis.
- •History of diabetic gastroparesis.
- •Known active hepatitis or active liver disease.
- •Acute gastrointestinal illness in the previous 7 days.
- •Known history of severe irritable bowel syndrome, radiation enteritis or other inflammatory bowel disease, such as Crohn's disease.
- •Known history of a structural or functional disorder of the esophagus that may impede passage of the device through the gastrointestinal tract or increase risk of esophageal damage during an endoscopic procedure, including moderate-severe (Grade C or D) esophagitis, dysphagia due to achalasia or stricture/stenosis, esophageal varices, esophageal perforation, or any other disorder of the esophagus.
- •Upper gastrointestinal conditions such as active ulcers, polyps, varices, strictures, congenital or acquired duodenal telangiectasia
- •Current use of anticoagulation therapy (such as warfarin) that cannot be discontinued for 7 days before and 14 days after the procedure.
- •Current use of P2Y12 inhibitors (clopidogrel, prasugrel, ticagrelor) that cannot be discontinued for 14 days before and 14 days after the procedure.
- •Unable to discontinue non-steroidal anti-inflammatory drugs (NSAIDs) during treatment through 4 weeks following the procedure. Use of acetaminophen and low dose aspirin is allowed.
- •Use of systemic glucocorticoids (excluding topical or ophthalmic application or inhaled forms) for more than 10 consecutive days within 12 weeks prior to the baseline visit.
- •Use of drugs known to affect GI motility (e.g. Metoclopramide)
- •Use of weight loss medications such as Sibutramine (e.g. Meridia), Orlistat (e.g. Xenical), Phentermine or over-the-counter weight loss medications (prescription medication)
- •Currently taking, or unable to stop taking dietary supplements or herbal agents, including vitamin C or multivitamins containing vitamin C at >500 mg per day, multivitamins containing biotin (vitamin B7), and supplements for hair, skin, and nail growth. Multivitamins not containing biotin are permitted.
- •Significant cardiovascular disease, including known history of valvular disease, or myocardial infarction, heart failure, transient ischemic attack, or stroke within 6 months prior to the Screening Visit.
- •Mean of 3 separate blood pressure measurements >180 mmHg (systolic) or >100 mmHg (diastolic).
- •Estimated glomerular filtration rate (eGFR) ≤ 60 ml/min/1.73m2 (estimated by MDRD).
- •Known immunocompromised status, including but not limited to individuals who have undergone organ transplantation, chemotherapy, or radiotherapy within the past 12 months, who have clinically significant leukopenia, who are positive for the human immunodeficiency virus (HIV) or whose immune status makes the participant a poor candidate for clinical trial participation in the opinion of the investigator.
- •Active illicit substance abuse or alcoholism (>2 drinks/day regularly)
- •Active malignancy within the last 5 years (excluding non-melanoma skin cancers)
- •Women breastfeeding
- •Participating in another ongoing clinical trial of an investigational drug or device.
- •Any other mental or physical condition which, in the opinion of the study investigator, makes the participant a poor candidate for clinical trial participation.
- •Critically ill or has a life expectancy <3 years
- •Use of heart pacemaker or other electronic device implants
- •General contraindications to deep or conscious sedation, general anesthesia, high risk as determined by anesthesiologist (e.g., ASA score 4 or higher), or contraindications to upper GI endoscopy.
结局指标
主要结局
Safety Endpoint
时间窗: 1 month
Number of subjects with reported device or procedure related SAEs or UADEs.
Efficacy Endpoint
时间窗: 168 days
Change in HbA1c from baseline to 168 days post retreatment procedure
Tolerability Endpoint
时间窗: 14 days
Descriptive statistics on Visual Analogue Scale(VAS) pain scores Descriptive statistics on Visual Analogue Scale(VAS) pain scores Descriptive statistics on Visual Analogue Scale (VAS) pain scores
次要结局
- Change in HbA1c at 84 days post retreatment procedure(84 days)
- Change in HbA1c over time(168 days)
- Change in FPG from baseline(168 days)
- Change in FPG over time(168 days)
- Proportion of ablation-treated subjects with an improvement in HbA1c from baseline(168 days)
- Change in HOMA-IR(168 days)
- Change in UACR(168 days)
- Change in ALT(168 days)
- Change in AST(168 days)
研究者
研究点 (1)
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