Trial Outcomes & Findings for The Pivotal Study of the Aptus Endovascular AAA Repair System (NCT NCT00507559)

NCT ID: NCT00507559

Last Updated: 2021-11-03

Results Overview

Composite endpoint of delivery success, absence of Type I/III endoleak requiring intervention post-index procedure, absence of migration (\>10mm), and absence of aneurysm rupture or conversion.This composite endpoint is compared to an estimated success rate of 80%.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

155 participants

Primary outcome timeframe

12 months

Results posted on

2021-11-03

Participant Flow

Participant milestones

Participant milestones
Measure
AAA Repair System
Aptus Endovascular AAA Repair System: EVAR
Overall Study
STARTED
155
Overall Study
COMPLETED
84
Overall Study
NOT COMPLETED
71

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

The Pivotal Study of the Aptus Endovascular AAA Repair System

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AAA Repair System
n=155 Participants
Aptus Endovascular AAA Repair System: EVAR
Age, Continuous
73 years
STANDARD_DEVIATION 8 • n=93 Participants
Sex: Female, Male
Female
10 Participants
n=93 Participants
Sex: Female, Male
Male
145 Participants
n=93 Participants
Region of Enrollment
United States
155 participants
n=93 Participants

PRIMARY outcome

Timeframe: 12 months

Composite endpoint of delivery success, absence of Type I/III endoleak requiring intervention post-index procedure, absence of migration (\>10mm), and absence of aneurysm rupture or conversion.This composite endpoint is compared to an estimated success rate of 80%.

Outcome measures

Outcome measures
Measure
AAA Repair System
n=155 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Composite Success Rate
4 participants

PRIMARY outcome

Timeframe: 30 days

Percentage (number) of subjects experiencing one or more of major adverse events within the first 30 days post-index procedure compared to the open surgical repair historical group

Outcome measures

Outcome measures
Measure
AAA Repair System
n=155 Participants
Aptus Endovascular AAA Repair System: EVAR
Safety: MAE (Major Adverse Event)
3 participants

SECONDARY outcome

Timeframe: 5 years

Percent (number) of subjects experiencing one or more serious adverse event through 5 years post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=155 Participants
Aptus Endovascular AAA Repair System: EVAR
Safety: SAE (Serious Adverse Event)
129 participants

SECONDARY outcome

Timeframe: 12 months

Population: 143 reflects the number of subjects with data for the 12 month visit.

Percent (number) of subjects undergoing surgical conversion through 12 months post-index procedure. Conversion is defined as the patient undergoing open surgical aneurysm repair with partial or complete removal of the study device.

Outcome measures

Outcome measures
Measure
AAA Repair System
n=143 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Surgical Conversion
1 participants

SECONDARY outcome

Timeframe: 12 months

Population: 143 reflects the number of subjects with data for the 12 month visit.

Percent (number) of subjects experiencing aneurysm rupture through 12 months post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=143 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Aneurysm Rupture
1 participants

SECONDARY outcome

Timeframe: 12 months

Population: Denominator is number of subjects with assessable imaging. Films are not assessable for aneurysm change if the 30-day scan is not available as a baseline.

Percent (number) of subjets experiencing aneurysm change (defined as increase in maximum diameter of \>5mm) at 12 months post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=132 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Aneurysm Change
2 participants

SECONDARY outcome

Timeframe: 12 months

Population: Denominator is number of subjects with adequate x-ray imaging available at 12 months

Percent (number) of subjects experiencing an EndoStaple stent/fracture at 12 months post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=119 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: EndoStaple Stent/Fracture
0 participants

SECONDARY outcome

Timeframe: 12 months

Population: The denominator is the number of subjects with adequate CT imaging available at 12 months

Percent (number) of subjects experiencing prothesis migration at 12 months post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=133 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Prosthesis Migration
0 participants

SECONDARY outcome

Timeframe: 12 months

Population: Denominator is the number of subjects with adequate CT imaging available at 12 months

Percent (number) of subjects experiencing type I endoleak (inadequate or ineffective seal of graft) or III endoleak (inadequate seal of graft joints or graft rupture) requiring intervention through 12 months post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=132 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Type I Endoleak and Type III Endoleak
2 participants

SECONDARY outcome

Timeframe: 5 years

Population: Events classified by the clinical events committee as thrombosis in device, embolism, device occlusion, vascular occlusion and thrombosis were included in the number of patients affected

Percent (number) of subjects experiencing thrombosis through 5 years post-index procedure

Outcome measures

Outcome measures
Measure
AAA Repair System
n=155 Participants
Aptus Endovascular AAA Repair System: EVAR
Effectiveness: Thrombosis
64 participants

Adverse Events

AAA Repair System

Serious events: 129 serious events
Other events: 148 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
AAA Repair System
n=155 participants at risk
Aptus Endovascular AAA Repair System: EVAR
General disorders
Death
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Device deployment issue
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Device dislocation
1.9%
3/155 • Number of events 3 • 5 years
General disorders
Device malfunction
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Device occlusion
3.2%
5/155 • Number of events 6 • 5 years
Blood and lymphatic system disorders
Anaemia
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Acute myocardial infarction
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Angina pectoris
5.8%
9/155 • Number of events 10 • 5 years
Cardiac disorders
Angina unstable
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Arrhythmia
5.2%
8/155 • Number of events 9 • 5 years
Cardiac disorders
Atrial fibrillation
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Bradycardia
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Cardiac arrest
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Cardiac failure congestive
4.5%
7/155 • Number of events 8 • 5 years
Cardiac disorders
Cardio-respiratory arrest
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Coronary artery disease
1.3%
2/155 • Number of events 2 • 5 years
Cardiac disorders
Coronary artery stenosis
0.65%
1/155 • Number of events 1 • 5 years
Cardiac disorders
Myocardial infarction
5.8%
9/155 • Number of events 9 • 5 years
Cardiac disorders
Syncope
0.65%
1/155 • Number of events 1 • 5 years
Ear and labyrinth disorders
Vertigo
0.65%
1/155 • Number of events 1 • 5 years
Endocrine disorders
Inappropriate antidiuretic hormone secretion
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Abdominal pain
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Aorto-oesophageal fistula
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Colitis ischaemic
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Constipation
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Diarrhoea
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Gastritis
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Gastrointestinal haemorrhage
4.5%
7/155 • Number of events 7 • 5 years
Gastrointestinal disorders
Haemorrhoids
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Inguinal hernia
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Intestinal obstruction
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Large intestine polyp
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Peptic ulcer perforation
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Rectal haemorrhage
0.65%
1/155 • Number of events 1 • 5 years
Gastrointestinal disorders
Upper gastrointestinal haemorrhage
0.65%
1/155 • Number of events 2 • 5 years
General disorders
Asthenia
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Chest pain
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Hernia
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Hernia obstructive
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Medical device complication
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Pyrexia
0.65%
1/155 • Number of events 1 • 5 years
General disorders
Stent-graft endoleak
7.7%
12/155 • Number of events 15 • 5 years
General disorders
Thrombosis in device
15.5%
24/155 • Number of events 36 • 5 years
General disorders
Unevaluable event
0.65%
1/155 • Number of events 1 • 5 years
Hepatobiliary disorders
Cholecystitis acute
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Bacteraemia
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Bronchitis
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Cellulitis
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Clostridial infection
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Diverticulitis
1.3%
2/155 • Number of events 2 • 5 years
Infections and infestations
Encephalitis viral
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Groin abscess
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Incision site cellulitis
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Pneumonia
5.2%
8/155 • Number of events 8 • 5 years
Infections and infestations
Urinary tract infection
1.3%
2/155 • Number of events 2 • 5 years
Infections and infestations
Urosepsis
0.65%
1/155 • Number of events 1 • 5 years
Infections and infestations
Wound infection
1.3%
2/155 • Number of events 2 • 5 years
Injury, poisoning and procedural complications
Hip fracture
1.9%
3/155 • Number of events 3 • 5 years
Injury, poisoning and procedural complications
Multiple fractures
0.65%
1/155 • Number of events 1 • 5 years
Injury, poisoning and procedural complications
Post procedural haemorrhage
1.3%
2/155 • Number of events 2 • 5 years
Injury, poisoning and procedural complications
Procedural haemorrhage
1.3%
2/155 • Number of events 2 • 5 years
Injury, poisoning and procedural complications
Road traffic accident
0.65%
1/155 • Number of events 1 • 5 years
Injury, poisoning and procedural complications
Subdural haematoma
0.65%
1/155 • Number of events 1 • 5 years
Injury, poisoning and procedural complications
Urinary retention postoperative
0.65%
1/155 • Number of events 1 • 5 years
Injury, poisoning and procedural complications
Vascular graft occlusion
1.9%
3/155 • Number of events 7 • 5 years
Injury, poisoning and procedural complications
Vascular injury
1.3%
2/155 • Number of events 2 • 5 years
Injury, poisoning and procedural complications
Wound dehiscence
0.65%
1/155 • Number of events 1 • 5 years
Investigations
Carcinoembryonic antigen increased
0.65%
1/155 • Number of events 1 • 5 years
Metabolism and nutrition disorders
Dehydration
0.65%
1/155 • Number of events 1 • 5 years
Metabolism and nutrition disorders
Hyponatraemia
0.65%
1/155 • Number of events 1 • 5 years
Metabolism and nutrition disorders
Hypovolaemia
0.65%
1/155 • Number of events 1 • 5 years
Musculoskeletal and connective tissue disorders
Arthralgia
0.65%
1/155 • Number of events 1 • 5 years
Musculoskeletal and connective tissue disorders
Monarthritis
0.65%
1/155 • Number of events 1 • 5 years
Musculoskeletal and connective tissue disorders
Osteoarthritis
0.65%
1/155 • Number of events 1 • 5 years
Musculoskeletal and connective tissue disorders
Synovial cyst
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
B-cell lymphoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Basal cell carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Bladder cancer
1.9%
3/155 • Number of events 3 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Colon adenoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Colon cancer
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Kaposi's sarcoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Laryngeal cancer
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Lung neoplasm malignant
1.9%
3/155 • Number of events 3 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Malignant melanoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Meningioma benign
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Metastases to central nervous system
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Metastasis
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Non-small cell lung cancer
1.3%
2/155 • Number of events 2 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Oropharyngeal squamous cell carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Pancreatic carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostate cancer
3.9%
6/155 • Number of events 6 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostate cancer metastatic
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Renal cell carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Small intestine carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Squamous cell carcinoma
1.3%
2/155 • Number of events 2 • 5 years
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Transitional cell carcinoma
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Carotid artery stenosis
1.3%
2/155 • Number of events 2 • 5 years
Nervous system disorders
Cerebral haemorrhage
1.3%
2/155 • Number of events 2 • 5 years
Nervous system disorders
Cerebrovascular accident
2.6%
4/155 • Number of events 5 • 5 years
Nervous system disorders
Haemorrhage intracranial
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Hemiparesis
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Hydrocephalus
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Hypoaesthesia
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Multiple sclerosis
0.65%
1/155 • Number of events 1 • 5 years
Nervous system disorders
Transient ischaemic attack
2.6%
4/155 • Number of events 5 • 5 years
Psychiatric disorders
Confusional state
0.65%
1/155 • Number of events 1 • 5 years
Renal and urinary disorders
Haematuria
0.65%
1/155 • Number of events 1 • 5 years
Renal and urinary disorders
Nephrotic syndrome
0.65%
1/155 • Number of events 1 • 5 years
Renal and urinary disorders
Renal failure acute
1.3%
2/155 • Number of events 2 • 5 years
Renal and urinary disorders
Renal tubular necrosis
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Atelectasis
1.3%
2/155 • Number of events 2 • 5 years
Respiratory, thoracic and mediastinal disorders
Chronic obstructive pulmonary disease
4.5%
7/155 • Number of events 18 • 5 years
Respiratory, thoracic and mediastinal disorders
Hypoxia
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Pleural effusion
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Pneumothorax
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Pulmonary embolism
1.3%
2/155 • Number of events 2 • 5 years
Respiratory, thoracic and mediastinal disorders
Pulmonary mass
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Pulmonary oedema
0.65%
1/155 • Number of events 1 • 5 years
Respiratory, thoracic and mediastinal disorders
Respiratory failure
3.2%
5/155 • Number of events 5 • 5 years
Surgical and medical procedures
Aortic aneurysm repair
0.65%
1/155 • Number of events 1 • 5 years
Surgical and medical procedures
Hip arthroplasty
1.9%
3/155 • Number of events 3 • 5 years
Surgical and medical procedures
Intervertebral disc operation
0.65%
1/155 • Number of events 1 • 5 years
Surgical and medical procedures
Intestinal resection
0.65%
1/155 • Number of events 1 • 5 years
Surgical and medical procedures
Large intestine operation
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Aneurysm ruptured
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Aortic stenosis
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Arterial stenosis
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Arteriosclerosis
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Deep vein thrombosis
1.9%
3/155 • Number of events 3 • 5 years
Vascular disorders
Embolism
5.8%
9/155 • Number of events 11 • 5 years
Vascular disorders
Embolism venous
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Femoral artery embolism
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Haematoma
2.6%
4/155 • Number of events 5 • 5 years
Vascular disorders
Hypertension
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Hypotension
2.6%
4/155 • Number of events 5 • 5 years
Vascular disorders
Intermittent claudication
3.9%
6/155 • Number of events 8 • 5 years
Vascular disorders
Orthostatic hypotension
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Peripheral arterial occlusive disease
1.3%
2/155 • Number of events 2 • 5 years
Vascular disorders
Peripheral artery aneurysm
0.65%
1/155 • Number of events 1 • 5 years
Vascular disorders
Peripheral artery stenosis
2.6%
4/155 • Number of events 6 • 5 years
Vascular disorders
Peripheral artery thrombosis
1.3%
2/155 • Number of events 3 • 5 years
Vascular disorders
Peripheral ischaemia
13.5%
21/155 • Number of events 25 • 5 years
Vascular disorders
Vascular occlusion
1.9%
3/155 • Number of events 4 • 5 years
Vascular disorders
Vascular stenosis
2.6%
4/155 • Number of events 6 • 5 years

Other adverse events

Other adverse events
Measure
AAA Repair System
n=155 participants at risk
Aptus Endovascular AAA Repair System: EVAR
Blood and lymphatic system disorders
Anaemia
7.1%
11/155 • Number of events 11 • 5 years
Cardiac disorders
Arrhythmia
5.8%
9/155 • Number of events 10 • 5 years
General disorders
Oedema peripheral
7.1%
11/155 • Number of events 12 • 5 years
General disorders
Pyrexia
11.0%
17/155 • Number of events 17 • 5 years
General disorders
Stent-graft endoleak
32.9%
51/155 • Number of events 55 • 5 years
General disorders
Thrombosis in device
6.5%
10/155 • Number of events 15 • 5 years
Infections and infestations
Pneumonia
5.2%
8/155 • Number of events 9 • 5 years
Infections and infestations
Urinary tract infection
5.8%
9/155 • Number of events 11 • 5 years
Renal and urinary disorders
Urinary retention
6.5%
10/155 • Number of events 10 • 5 years
Vascular disorders
Hypertension
9.7%
15/155 • Number of events 16 • 5 years
Vascular disorders
Intermittent claudication
14.2%
22/155 • Number of events 24 • 5 years

Additional Information

Kristin Schwartz

Medtronic Endovascular

Phone: (763) 514-4000

Results disclosure agreements

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