Lower Abdominal SurgeryIRISNCT04561414
Objective to Evaluate the Safety and Effectiveness of LED Light Source System for Endoscopy in Ureteral Radiography
A study testing LED light source system for endoscope and Ureteral stent (Cook Ireland Ltd.) in people with Lower Abdominal Surgery and Pelvic Surgery, run by Stryker Orthopaedics at 4 sites in China.
Trial summary
This clinical trial is a prospective, multi-center, single-blind, parallel, randomized controlled superiority clinical trial. The trial will be carried out in 5 centers, involving 120 subjects as estimated who will be divided into the test group or control group randomly on an equal basis (each group includes 60… Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Lower Abdominal Surgery, Pelvic Surgery
- What is being tested?
- LED light source system for endoscope and Ureteral stent (Cook Ireland Ltd.)
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 0 participants
- Where
- 4 sitesChina
- Study dates
- May 2021to May 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
- Inclusion Criteria:
- The surgeon believes preventative placement of a ureteral stent is necessary and the target organ to be excised in the surgery is closely related to the ureter (e.g. representative specialized operations such as rectal cancer and endometriosis, cervical cancer, adenomyosis and pelvic adhesion).
- Age: 18 to 80 years old;
- All subjects voluntarily participate in the clinical trial and are asked to sign the informed consent form.
- Exclusion Criteria:
- Women during pregnancy or lactation;
- Subjects are involved in other clinical trials at the same time; Hydronephrosis due to urinary tract obstruction; Laparotomy is expected (except for conversion to laparotomy during operation);
- Other conditions deemed by the investigators as unsuitable for operation;
- Other conditions deemed by the investigators as unsuitable for the trial (including anticipated catheterizing failure).
Trial locations and contacts
4 sites in 1 country.
China4 sites
Beijing Chao-Yang Hospital,Capital Medical University
Beijing, Beijing Municipality, 100000
Xuanwu Hospital, Capital Medical University
Beijing, Beijing Municipality, 100000
The First Affiliated Hospital of Jilin University
Jilin City, Changchun, 130000
Obstetrics&Gynecology Hospital of Fudan University
Shanghai, Shanghai Municipality, 200011
About this study
Official title: A Prospective, Multi-center, Single-blind, Parallel, Randomized Controlled Clinical Trial (IRIS) Designed to Evaluate the Safety and Effectiveness of the LED Light Source System for Endoscope During Ureter Transillumination
This clinical trial is a prospective, multi-center, single-blind, parallel, randomized controlled superiority clinical trial. The trial will be carried out in 5 centers, involving 120 subjects as estimated who will be divided into the test group or control group randomly on an equal basis (each group includes 60 subjects).
This trial will be carried out in 4 stages, including the screening period, random grouping, operation date and follow-up period. In the screening period, the informed consent forms are collected and candidates are screened; after screening, the accepted subjects will be randomly divided into the control group or test group; on the operation date, the operation is carried out using the device tested; safety follow-up visit is carried out during the follow-up period.
Read the detailed description
The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The subjects, after signing the informed consent form approved by the Ethics Committee, will be screened by the investigators. Qualified subjects who meet all the inclusion criteria and do not meet any of the exclusion criteria will be randomly divided into the control group or the test group. The subjects in the control group will accept the ureteral stent (manufacturer: Cook Ireland Ltd.) during operation. The subjects in the test group will undergo surgery using the LED light source system for endoscope and the supporting IRIS ureter kit. On the operation date, the investigators will score the performance using a scale to evaluate the resolution of the ureter in the whole process of operation. During the follow-up period, the investigators will evaluate the safety of the device based on the results of vital signs, physical examination, blood routine examination, routine urine examination, blood biochemistry, 12-lead ECG and B-mode ultrasonography of urinary system.
- Conditions
- Lower Abdominal Surgery, Pelvic Surgery
- Being tested
- LED light source system for endoscope, Ureteral stent (Cook Ireland Ltd.)
- Keywords
- rectal cancer, endometriosis, cervical cancer, adenomyosis, pelvic adhesion
- Medical subject headings
- Rectal Neoplasms, Endometriosis, Uterine Cervical Neoplasms, Adenomyosis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
LED light source system for endoscopeDevice
The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use LED light source system for endoscope.
Ureteral stent (Cook Ireland Ltd.)Device
The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use Ureteral stent (Cook Ireland Ltd.).
| Study group | Role | What they receive |
|---|---|---|
| LED light source system for endoscope | Other | The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use LED light source system for endoscope Receives: Device: LED light source system for endoscope |
| Ureteral stent (Cook Ireland Ltd.) | Other | The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The control group use Ureteral stent (Cook Ireland Ltd.) Receives: Device: Ureteral stent (Cook Ireland Ltd.) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Resolution of the ureter in the whole operation.
On the operation date, the investigators will score the performance using a scale (1 very good - 10 worst outcome) to evaluate the resolution of the ureter in the whole process of operation.
Measured: in the whole process of operation
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted23 Sep 2020
- Study startMay 2021 (estimated)
- Primary completionMay 2021 (estimated)
- Study completionMay 2022 (estimated)
Why it stopped: Study was registered but never started.
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Lower Abdominal SurgeryStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved.
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 0 participants (actual)
Sponsor and investigators
- Lead sponsor
- Stryker Orthopaedics
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Zhongtao Zhang, Principal investigator, Beijing Friendship Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04561414
- Sponsor's protocol ID
- Stryker03
- Acronym
- IRIS
- Status last verified
- Apr 2021
- First submitted
- 17 Sep 2020
- Last updated
- 12 Apr 2021
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 12 Apr 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Prospective, Multi-center, Single-blind, Parallel, Randomized Controlled Clinical Trial (IRIS) Designed to Evaluate the Safety and Effectiveness of the LED Light Source System for Endoscope During Ureter Transillumination
- ClinicalTrials.gov ID
- NCT04561414
- Acronym / sponsor ID
- IRIS / Stryker03
- Conditions
- Lower Abdominal Surgery, Pelvic Surgery
- Keywords
- rectal cancer, endometriosis, cervical cancer, adenomyosis, pelvic adhesion
- Study type
- Interventional
- Recruitment status
- WithdrawnReason stopped: Study was registered but never started.
- Enrolment
- 0 participants (actual)
- Lead sponsor
- Stryker OrthopaedicsIndustry (pharma, biotech, devices)
- Study start
- May 2021 (estimated)
- Primary completion
- May 2021 (estimated)
- Study completion
- May 2022 (estimated)
- First posted
- 23 Sep 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This clinical trial is a prospective, multi-center, single-blind, parallel, randomized controlled superiority clinical trial. The trial will be carried out in 5 centers, involving 120 subjects as estimated who will be divided into the test group or control group randomly on an equal basis (each group includes 60 subjects).
This trial will be carried out in 4 stages, including the screening period, random grouping, operation date and follow-up period. In the screening period, the informed consent forms are collected and candidates are screened; after screening, the accepted subjects will be randomly divided into the control group or test group; on the operation date, the operation is carried out using the device tested; safety follow-up visit is carried out during the follow-up period.
Detailed description
The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The subjects, after signing the informed consent form approved by the Ethics Committee, will be screened by the investigators. Qualified subjects who meet all the inclusion criteria and do not meet any of the exclusion criteria will be randomly divided into the control group or the test group. The subjects in the control group will accept the ureteral stent (manufacturer: Cook Ireland Ltd.) during operation. The subjects in the test group will undergo surgery using the LED light source system for endoscope and the supporting IRIS ureter kit. On the operation date, the investigators will score the performance using a scale to evaluate the resolution of the ureter in the whole process of operation. During the follow-up period, the investigators will evaluate the safety of the device based on the results of vital signs, physical examination, blood routine examination, routine urine examination, blood biochemistry, 12-lead ECG and B-mode ultrasonography of urinary system.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (participant)
- Number of arms
- 2
- Model description
- The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved.
| Arm | Type | Receives |
|---|---|---|
| LED light source system for endoscope | Other | Device: LED light source system for endoscopeThe prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use LED light source system for endoscope |
| Ureteral stent (Cook Ireland Ltd.) | Other | Device: Ureteral stent (Cook Ireland Ltd.)The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The control group use Ureteral stent (Cook Ireland Ltd.) |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| LED light source system for endoscopeThe prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use LED light source system for endoscope. | Device | LED light source system for endoscope |
| Ureteral stent (Cook Ireland Ltd.)The prospective, multi-center, single-blind, parallel, randomized controlled superiority trial design is adopted to evaluate the safety and effectiveness of the LED light source system for endoscope during ureter transillumination. The trial will be carried out in 5 centers, with the competitive grouping mode adopted. This trial will be carried out in the General Surgery Department and the Gynecology Department. Totally 120 subjects with rectal cancer, endometriosis, cervical cancer, adenomyosis and pelvic adhesion requiring operation (60 subjects for each of the test group and control group) are involved. The test group use Ureteral stent (Cook Ireland Ltd.). | Device | Ureteral stent (Cook Ireland Ltd.) |
Primary outcome
Resolution of the ureter in the whole operation.
Time frame: in the whole process of operation
On the operation date, the investigators will score the performance using a scale (1 very good - 10 worst outcome) to evaluate the resolution of the ureter in the whole process of operation.
Results and safety
The study was withdrawn before enrolling participants, so there are no results.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 12 Apr 2021.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Zhongtao Zhang principal investigator
Beijing Friendship Hospital
4 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing LED light source system for endoscope and Ureteral stent (Cook Ireland Ltd.) in people with Lower Abdominal Surgery and Pelvic Surgery, run by Stryker Orthopaedics at 4 sites in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: withdrawn, as of the sponsor's last update on 12 Apr 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 4 sites in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was withdrawn before enrolling participants, so there are no results.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Resolution of the ureter in the whole operation. (time frame: in the whole process of operation). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Apr 2021.