Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
128 participants
INTERVENTIONAL
2019-03-28
2021-03-28
Brief Summary
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Detailed Description
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6.1.1 Case Situation A Guidewire crossed the lesion, micro catheter does not cross
Case situation A is the circumstansis where a physician is using a guidewire in combination with a micro catheter. When in such case the guidewire is crossing at a certain moment of the procedure and the micro catheter not a balloon crossing attempt is one of the current common options as next step.
For the study the physician will go through following steps
1. select alternating in 50% of these cases his current first choice regular balloon (≤ 1.5 (mm) OD) and in the other 50% of cases the Blimp.
2. If first choice regular balloon does not cross select the Blimp and if the Blimp has been first choice select regular first choice balloon.
3. If step 2 is not succesfull take a 6F guide extension and repeat sequence of step 1\&2.
4. If step 3 is also not succesfull report how else succeeded (e.g. tonus, balloon rupture, carlino, rotablation, subintimal cross…) or not.
See also appendix I for a flow chart case situation A.
6.1.2 Case Situation B Small balloon catheter (≤ 1.5 (mm)) needed for procedure- no micro catheter used.
Case situation B is the circumstansis where a physician is in the stage of a procedure where he/ she would normally want to select a small balloon catheter ((≤ 1.5 (mm)) to cross an occluded or subtotlal stenotic segment of the coronary artery. When in such case the balloon catheter is not crossing the selection/ attempt with another balloon is one of the current common options as next step.
For the study the physician will go through following steps
1. select alternating in 50% of these cases his current first choice regular balloon (≤ 1.5 (mm) OD) and in the other 50% of cases the Blimp.
2. If first choice regular balloon does not cross select the Blimp and if the Blimp has been first choice select regular first choice balloon.
3. If step 2 is not succesfull take a 6F guide extension and repeat sequence of step 1\&2.
4. If step 3 is also not succesfull report how else succeeded (e.g. tonus, balloon rupture, carlino, rotablation, subintimal cross…) or not.See also appendix I for a flow chart of case situation B.
6.1.3 Use of the Blimp during the study
The Blimp should be used conform its Instruction For Use (IFU). Following techniques can be attemted to cross the lesion.
1. Regular balloon crossing of lesion if no significant resistance is felt.
2. Application of distal force/ push to the tip of Blimp against the proximal cap of the occlusion/subtotal lesion for 5-10 seconds to allow cap penetration due to spring principle of Blimp shaft.
3. If no progressing in step 2 keep distal force/ push to the tip of the Blimp and inflate to 25-30 ATM to attempt wedging/ scoring of the proximal cap.
4. Repeat step 2\&3 up to three times to see if proximal cap/ crossing progression is made.
5. If after multiple attemps of step 2\&3 no progression is demonstrated it should be concluded that the Blimp was unsuccesfull in crossing.
6.1.4 Study population and number of subjects A total 128 patients which are being targeted for percutaneous coronary intervention are selected for this study. Pased on power calculations, 128 patiants are sufficient to demonstrate a statistical significant difference in outcome (P\<0.05) with 80% power.
6.1.5 Inclusion/exclusion criteria Patients will be enrolled if they require percutaneous coronary intervention (PCI) procedure and
1. During the case a micro catheter is being used which is not able to cross after crossing of the guidewire (case situation A).
2. During the case a small balloon catheter (≤ 1.5 (mm) OD) is being used and is not able to cross the target lesion (case situation B) .
Patients which under normal conditions would be excluded for a PCI procedure by the hospital will be excluded from the study.
6.1.6 Rational and justification of chosen study design The Blimp is intended for balloon dilatation of a coronary artery subtotal lesion/occlusions.
Due to its
* very small profile
* high rated burst pressure and
* guidewire scoring element over the balloon
the device has several features which can improve the crossabiltiy and initial dilation of severe occluded vessels. The study has been designed such to investigate in an objective and controlled manner if the Blimp Scoring balloon is providing an improved procedural success rate in these matters.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Treatment with BLIMP first
BLIMP balloon
Using BLIMP balloon to cross lesion
Treatment with low-profile balloon first
Low profile balloon
using low profile balloon to cross lesion
Interventions
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BLIMP balloon
Using BLIMP balloon to cross lesion
Low profile balloon
using low profile balloon to cross lesion
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
ALL
No
Sponsors
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Ziekenhuis Oost-Limburg
OTHER
AZ Sint-Jan AV
OTHER
CHU de Charleroi
OTHER
Jolimont, La Louviere
UNKNOWN
Centre Hospitalier Universitaire Saint Pierre
OTHER
Onze Lieve Vrouwziekenhuis Aalst
OTHER
Centre Hospitalier Universitaire UCLouvain Namur
OTHER
University Ghent
OTHER
University Hospital, Antwerp
OTHER
Centre Hospitalier du Luxembourg
OTHER
Universitaire Ziekenhuizen KU Leuven
OTHER
Responsible Party
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Locations
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Johan Bennett
Leuven, Brabant, Belgium
ZOL Genk
Genk, , Belgium
Countries
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Other Identifiers
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S61686
Identifier Type: -
Identifier Source: org_study_id
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