- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04742478
ROVUS Asia Registry (Evaluate Safety and Effectiveness of Rotational Atherectomy and Intravascular Ultrasound for Heavily Calcified Coronary Lesion) (ROVUS)
April 21, 2021 updated by: National Heart Centre Singapore
Rotablation with or without other calcium debulking therapies is a safe adjunctive procedure for patients with severe coronary calcification requiring Percutaneous Coronary Intervention (PCI).
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
This is a prospective observational multicenter cohort study of all patients with calcified coronary lesions undergoing RA in participating centres across Asia.
Patients will be required to provide informed consent for data collection, including follow-up data and uploading of data on a web-based data collection platform (deidentified).
Operators/ institution coordinators will fill up hardcopy or electronic (web-based) forms including patient's baseline demographics, co-morbidities, clinical data, laboratory test results, echocardiography results, coronary angiography findings with subsequent interventions performed as well as follow-up clinical and laboratory results.
Note that while detailed data for individual patients will only be collected if there is informed consent, data from each institution will also be collected for aggregate data regarding procedural volume (eg.
total cases with debulking therapy and specifically for ROTABLATORTM).
This will give a sense of representativeness of data collected.
This screening data will also include the following fields: age, gender, ethnicity, comorbidities, target vessel, prior revascularization (PCI/CABG), clinical presentation, procedural urgency, angiographic procedural details (RA and PCI) and in-hospital complication and mortality.
The use of this retrospective data will require appropriate approval and will only utilize anonymized data.
Only in-hospital data will be obtained and no follow up data is required from these controls.
Should these data not be available in any of the participating sites, a minimum baseline demographics, procedural and inpatient outcome data with reasons for non-participation in registry should be provided for records purposes.
This shall be accepted as a limitation of the study.
Sub-site analysis may be performed in centres with availability of all data in this group of patients to address generalisability of the data collected.
Study Type
Observational
Enrollment (Anticipated)
1000
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: James Low
- Phone Number: 67042280
- Email: james.low.j.y@nhcs.com.sg
Study Contact Backup
- Name: Phoebe Chin
- Phone Number: 67042268
- Email: chin.ting.ting@nhcs.com.sg
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
21 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
All patients with signed informed consent for percutaneous coronary intervention (PCI) and are eligible for calcium debulking treatment with rotational atherectomy with or without other forms of calcium debulking therapies will be enrolled into this study.
Description
Inclusion Criteria:
- Able to understand and sign an informed consent form
- Presence of clinical indication for percutaneous coronary intervention (PCI) and/or stent placement
- Subjects willing to comply with all research and follow-up requirements.
Angiographic criteria (ONE of the following criteria MUST be met)
- Target lesions visually have at least moderate calcifications*
- Target lesion balloon dilatation failure
- Inability of devices (microcatheters, balloons or stents) to pass through the target lesion.
Procedural criteria
All patients treated with RA with or without other forms of debulking therapy
- Moderate calcification is defined as radio-opacities noted only during cardiac cycle prior to contrast injection whereas severe calcification is defined as radio-opacities seen without cardiac motion prior to contrast injection, usually affecting both sides of the arterial lumen.
Exclusion Criteria:
- Decline to give consent
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Eligible subjects who underwent RA prior to PCI (with informed consent taken to join the study)
Informed consent to be obtained either prior to PCI with rotational atherectomy planned or within 48 hours after rotational atherectomy.
There will be data collection of history/demographics, laboratory results, symptoms, any serious adverse events recording for this cohort as well as a telephone follow up at 12months post rotational atherectomy.
|
Rotational atherectomy (RA) has been the most used atherectomy modality since its first inception in1988.
RA uses high speed rotation (140,000 - 180,000 rpm) to ablate inelastic plaque, resulting in debris averaging 5µm in size24.
The main focus of RA in the era of DES stent has been on plaque modification rather that plaque debulking with more papers showing improved PCI success rates.
|
Eligible subjects who underwent RA prior to PCI (without informed consent taken to join the study)
Subjects that were demised or refused to give consent will fall under this cohort.
The data collection of this cohort will be done through screening of in-hospital data via available local PCI database/registry.
|
Rotational atherectomy (RA) has been the most used atherectomy modality since its first inception in1988.
RA uses high speed rotation (140,000 - 180,000 rpm) to ablate inelastic plaque, resulting in debris averaging 5µm in size24.
The main focus of RA in the era of DES stent has been on plaque modification rather that plaque debulking with more papers showing improved PCI success rates.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Primary efficacy endpoint (Procedural success)
Time Frame: Duration of procedure
|
Procedural success defined as < 20% residual stenosis in treated segment without on-table mortality with TIMI 3 flow.
|
Duration of procedure
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Death
Time Frame: 1 year
|
in-hospital and at 1-year follow-up
|
1 year
|
Periprocedural myocardial infarction (MI)
Time Frame: within 48 hours of procedure
|
|
within 48 hours of procedure
|
Complications
Time Frame: within 48 hours of procedure
|
Significant coronary perforation at least Type II, III or III CS based on Ellis classification
|
within 48 hours of procedure
|
Complication
Time Frame: within 48 hours of procedure
|
no-reflow or slow flow
|
within 48 hours of procedure
|
Procedural time
Time Frame: Duration of procedure
|
Time of guide engagement to removal of guide
|
Duration of procedure
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Khung Keong Yeo, Singhealth Foundation
- Principal Investigator: Shoichi Kuramitsu, Kokura Memorial Hospital
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Lee MS, Park KW, Shlofmitz E, Shlofmitz RA. Comparison of Rotational Atherectomy Versus Orbital Atherectomy for the Treatment of Heavily Calcified Coronary Plaques. Am J Cardiol. 2017 May 1;119(9):1320-1323. doi: 10.1016/j.amjcard.2017.01.025. Epub 2017 Feb 10.
- Sharma SK, Tomey MI, Teirstein PS, Kini AS, Reitman AB, Lee AC, Genereux P, Chambers JW, Grines CL, Himmelstein SI, Thompson CA, Meredith IT, Bhave A, Moses JW. North American Expert Review of Rotational Atherectomy. Circ Cardiovasc Interv. 2019 May;12(5):e007448. doi: 10.1161/CIRCINTERVENTIONS.118.007448.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 10, 2021
Primary Completion (Anticipated)
February 29, 2024
Study Completion (Anticipated)
December 31, 2026
Study Registration Dates
First Submitted
February 2, 2021
First Submitted That Met QC Criteria
February 5, 2021
First Posted (Actual)
February 8, 2021
Study Record Updates
Last Update Posted (Actual)
April 23, 2021
Last Update Submitted That Met QC Criteria
April 21, 2021
Last Verified
April 1, 2021
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020/2932
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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