Trial Outcomes & Findings for Scoreflex NC - Scoring PTCA Catheter (NCT NCT03763747)

NCT ID: NCT03763747

Last Updated: 2021-08-11

Results Overview

Device procedural success consisting of the following: * Successful delivery, inflation, deflation, and withdrawal of the study balloon * No evidence of vessel perforation, flow limiting dissection (grade C or higher) or reduction in Thrombolysis In Myocardial Infarction (TIMI) flow from baseline as related to the Scoreflex NC study balloon * Final TIMI flow grade of 3 at the conclusion of the percutaneous coronary intervention (PCI) procedure

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

200 participants

Primary outcome timeframe

Peri-procedural (at Day 0)

Results posted on

2021-08-11

Participant Flow

Participant milestones

Participant milestones
Measure
Scoreflex NC Scoring Percutaneous Transluminal Coronary Angioplasty (PTCA) Catheter
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Overall Study
STARTED
200
Overall Study
COMPLETED
200
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Scoreflex NC - Scoring PTCA Catheter

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Scoreflex NC Scoring PTCA Catheter
n=221 Lesions
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Age, Continuous
67.3 years
STANDARD_DEVIATION 8.98 • n=5 Participants
Sex: Female, Male
Female
46 Participants
n=5 Participants
Sex: Female, Male
Male
154 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Asian
2 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Black
18 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · White
178 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Native Hawaiian/Pacific Islander
1 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · American Indian/Alaska Native
0 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Other
1 Participants
n=5 Participants
Region of Enrollment
United States
200 Participants
n=5 Participants
Cardiac History
Prior Percutaneous Coronary Intervention
106 Participants
n=5 Participants
Cardiac History
Prior Coronary Artery Bypass Graft
26 Participants
n=5 Participants
Cardiac History
Prior Myocardial Infarction
61 Participants
n=5 Participants
Current Cardiac Status
Asymptomatic
18 Participants
n=5 Participants
Current Cardiac Status
Silent Ischemia
8 Participants
n=5 Participants
Current Cardiac Status
Stable Angina
116 Participants
n=5 Participants
Current Cardiac Status
Unstable Angina
57 Participants
n=5 Participants
Current Cardiac Status
ST-Elevation Myocardial Infarction (STEMI)
1 Participants
n=5 Participants
Cardiac Risk Factors
Cigarette Smoking (within 30 days)
37 Participants
n=5 Participants
Cardiac Risk Factors
Diabetes Mellitus
88 Participants
n=5 Participants
Cardiac Risk Factors
Diabetes Mellitus (Insulin requiring)
20 Participants
n=5 Participants
Cardiac Risk Factors
Hypercholesterolemia Requiring Treatment
181 Participants
n=5 Participants
Cardiac Risk Factors
Hypertension Requiring Treatment
182 Participants
n=5 Participants
Angiographic Characteristics: Vessel Location (Core Lab assessed)
Left Anterior Descending Artery (LAD)
97 Lesions
n=30 Lesions
Angiographic Characteristics: Vessel Location (Core Lab assessed)
Left Circumflex Artery (LCX)
55 Lesions
n=30 Lesions
Angiographic Characteristics: Vessel Location (Core Lab assessed)
Right Coronary Artery (RCA)
68 Lesions
n=30 Lesions
Angiographic Characteristics: Vessel Location (Core Lab assessed)
Not Identified
1 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Location (Core Lab assessed)
Ostial
7 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Location (Core Lab assessed)
Proximal
98 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Location (Core Lab assessed)
Middle
93 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Location (Core Lab assessed)
Distal
23 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Characteristics (Core Lab assessed)
Lesion Length
18.37 Millimeters
STANDARD_DEVIATION 12.93 • n=30 Lesions
Angiographic Characteristics: Lesion Characteristics (Core Lab assessed)
Minimal Luminal Diameter
0.8 Millimeters
STANDARD_DEVIATION 0.40 • n=30 Lesions
Angiographic Characteristics: Lesion Characteristics (Core Lab assessed)
Moderate/Severe Calcification
81 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Characteristics (Core Lab assessed)
Moderate/Severe Tortuosity
7 Lesions
n=30 Lesions
Angiographic Characteristics: Lesion Characteristics (Core Lab assessed)
Total Occlusion
11 Lesions
n=30 Lesions
Baseline Thrombolysis in Myocardial Infarction (TIMI) Flow (Core Lab assessed)
0 (no perfusion)
6 Lesions
n=30 Lesions
Baseline Thrombolysis in Myocardial Infarction (TIMI) Flow (Core Lab assessed)
1 (penetration with minimal perfusion)
5 Lesions
n=30 Lesions
Baseline Thrombolysis in Myocardial Infarction (TIMI) Flow (Core Lab assessed)
2 (partial perfusion)
6 Lesions
n=30 Lesions
Baseline Thrombolysis in Myocardial Infarction (TIMI) Flow (Core Lab assessed)
3 (complete perfusion)
204 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
0,0,0
2 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
0,0,1
3 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
0,1,0
38 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
1,0,0
16 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
0,1,1
8 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
1,0,1
3 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
1,1,0
8 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
1,1,1
6 Lesions
n=30 Lesions
Angiographic Characteristics: Bifurcations, Medina Type (Core Lab assessed)
Non-bifurcation lesions
137 Lesions
n=30 Lesions

PRIMARY outcome

Timeframe: Peri-procedural (at Day 0)

Population: Analysis population consists of intent-to-treat subject population.

Device procedural success consisting of the following: * Successful delivery, inflation, deflation, and withdrawal of the study balloon * No evidence of vessel perforation, flow limiting dissection (grade C or higher) or reduction in Thrombolysis In Myocardial Infarction (TIMI) flow from baseline as related to the Scoreflex NC study balloon * Final TIMI flow grade of 3 at the conclusion of the percutaneous coronary intervention (PCI) procedure

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants With Device Procedural Success
187 Participants

SECONDARY outcome

Timeframe: Peri-procedural (at Day 0)

Population: Analysis population consists of intent-to-treat subject population.

Angiographic Procedural Success defined as Final diameter stenosis ≤ 50% in at least one of the Scoreflex NC attempted lesions following completion of the interventional procedure, including adjunctive stenting

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants With Angiographic Procedural Success
197 Participants

SECONDARY outcome

Timeframe: Endpoints will be measured through hospital discharge (expected to be within 24 hours)

Population: Analysis population consists of intent-to-treat subject population.

In-hospital Major Adverse Cardiac Events (MACE), a composite of: * All death (cardiac and non-cardiac) * Myocardial infarction (MI) * Target Lesion Revascularization (TLR), clinically indicated

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants With In-hospital Major Adverse Cardiac Events (MACE)
9 Participants

SECONDARY outcome

Timeframe: Endpoint will be measured through hospital discharge (expected to be within 24 hours)

Population: Analysis population consists of intent-to-treat subject population.

In-hospital stent thrombosis (ST) within the Target Vessel

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants With In-hospital Stent Thrombosis (ST) Within the Target Vessel
0 Participants

SECONDARY outcome

Timeframe: Endpoint will be measured through hospital discharge (expected to be within 24 hours)

Population: Analysis population consists of intent-to-treat subject population.

Clinically Significant Arrhythmias (Requiring Intervention)

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants With Clinically Significant Arrhythmias (Requiring Intervention)
1 Participants

SECONDARY outcome

Timeframe: Peri-procedural

Population: Analysis population consists of intent-to-treat subject population. Site reported data represented on the use of 239 Scoreflex NC Scoring PTCA catheter study devices.

Occurrence of Scoreflex NC Study Balloon rupture

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=239 Scoreflex NC Scoring PTCA catheters
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Scoreflex NC Scoring Catheters That Had Occurrence of Balloon Rupture
2 Scoreflex NC Scoring PTCA catheters

SECONDARY outcome

Timeframe: Peri-procedural

Population: Analysis population consists of intent-to-treat subject population. Please note that the data for Number of Participants that had Improvement in Minimum Lumen Diameter was not analyzable in 23 patients by the Angiographic Core Lab.

Improvement in Minimum Lumen Diameter (MLD) following use of Scoreflex NC catheter (measured by QCA). Improvement in MLD is defined as MLD post use of Scoreflex as greater than MLD from baseline.

Outcome measures

Outcome measures
Measure
Scoreflex NC Scoring PTCA Catheter
n=177 Participants
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Number of Participants That Had Improvement in Minimum Lumen Diameter (MLD) Following Use of Scoreflex NC Catheter (Measured by Quantitative Coronary Angiography (QCA))
161 Participants

Adverse Events

Scoreflex NC Scoring PTCA Catheter

Serious events: 1 serious events
Other events: 8 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 participants at risk
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Cardiac disorders
Target Lesion Revascularization Clinically Indicated TLR)
0.50%
1/200 • Number of events 1 • Adverse events were collected from the point of subject enrollment through study completion at hospital discharge (hospital stay expected to be an average of 24 hours).
Cardiac disorders
Myocardial Infarction (Non Q-wave)
0.50%
1/200 • Number of events 1 • Adverse events were collected from the point of subject enrollment through study completion at hospital discharge (hospital stay expected to be an average of 24 hours).

Other adverse events

Other adverse events
Measure
Scoreflex NC Scoring PTCA Catheter
n=200 participants at risk
Single arm with investigational Scoreflex NC Scoring PTCA catheters Scoreflex NC Scoring PTCA catheter: To dilate coronary arteries during the subject's index procedure with Scoreflex NC Scoring PTCA catheters
Cardiac disorders
Myocardial Infarction (Non Q-wave)
3.5%
7/200 • Number of events 7 • Adverse events were collected from the point of subject enrollment through study completion at hospital discharge (hospital stay expected to be an average of 24 hours).
Cardiac disorders
Clinically Significant Arrhythmias (Requiring Intervention)
0.50%
1/200 • Number of events 1 • Adverse events were collected from the point of subject enrollment through study completion at hospital discharge (hospital stay expected to be an average of 24 hours).

Additional Information

Stephen M. Rowland, PhD - Vice-President, Research and Development

OrbusNeich

Phone: 954-730-0711

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place