Clinical Investigation to Evaluate the Direct Visualization Performances of Ambu® aScope™ 4 Cysto and aView™ Urologia for Examination of the Lower Urinary Tract
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- Ambu A/S
- 入组人数
- 4
- 试验地点
- 2
- 主要终点
- performance of Ambu® aScope™ 4 Cysto and aView™ Urologia
研究概览
简要总结
In this study, the new aScope 4 Cysto is used to see how well it visualizes the lower urinary tract, and if this new flexible cystoscope performs as well as other routinely used cystoscopes. This study will be done in patients who have been diagnosed with bladder lesions and who will undergo surgery via the urethra to remove these lesions. The surgery is done under general anesthesia. After being brought under anesthesia and before removal of the lesion(s), the new flexible cystoscope is tested. The cystoscope will be used to visualize the urethra and bladder. Data will be collected on the number of the lesions that can be seen using the new cystoscope. During the planned surgery a resectoscope or rigid cystoscope will be used to confirm the number of lesions. The data will be used to show how well the cystoscope visualizes the lesions in comparison with routinely used cystoscopes. It will give information on how well the structures of the urinary tract and bladder can be viewed including any abnormalities that are present.Data will also be collected on the handling of the cystoscope: how well the cystoscope moves into the lower urinary tract, and how well it can be navigated through the lower urinary tract.
详细描述
Clinical Phase: pre-CE study
Design: A non-randomized confirmatory study on the visualization performance of the Ambu® aScope™ 4 Cysto and aView™ Urologia in 42 fully evaluable, adults subjects aimed at identification of known pathological findings (papillary bladder or small resectable lesion) detected with Ambu® aScope™ 4 Cysto and aView™ Urologia and subsequently during a repeat procedure using a reusable rigid scope or resectoscope at the time of planned transurethral resection of bladder tumours (TURBT).
Population: Adult subjects (≥ 18 years) in the OR undergoing planned transurethral resection of bladder tumors TURBT
Planned sample size: A total of 42 patients will result in a maximum (if the true proportion is 50 %) width of the two-sided 95 % confidence interval for the binary variable "Confirmed" to be 15%. This width is considered to be useful in the interpretations of the results from this investigation.
Study duration: Screening, procedure and follow-up will take 15 days maximum
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Diagnostic
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Willing to sign the informed consent
- •Adults (males and females), ≥18 years of age or older
- •Able to undergo routine cystoscopy
- •Patients diagnosed with papillary bladder or small resectable lesion where transurethral resection of the tumour/lesion is planned
排除标准
- •History of prior bladder/urethral reconstructive surgery
- •Presence of symptomatic urinary tract infection (UTI)
- •Known unpassable urethral stricture
- •Unable to read and/or understand the study requirements
- •Pregnant or lactating women
结局指标
主要结局
performance of Ambu® aScope™ 4 Cysto and aView™ Urologia
时间窗: follow up immediately after procedure
The performance level of Ambu® aScope™ 4 Cysto and aView™ Urologia, compared to current standard practice with re-usable cystoscopes, is defined as proportion of patients with one or more papillary bladder lesion or small resectable lesion (diagnosed a maximum of one month prior to resection) detected with the Ambu® aScope™ 4 Cysto and aView™ Urologia (prior to planned transurethral resection of bladder tumors (TURBT)) and confirmed with the rigid cystoscope during TURBT.
次要结局
- Safety of Ambu® aScope™ 4 Cysto and aView™ Urologia(follow up immediately after procedure)
- Investigator performance(follow up immediately after procedure)
- Procedure time(follow up immediately after procedure)