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Evaluating the Safety and Efficacy of the Indigo® Aspiration System in Acute Pulmonary Embolism

A Prospective, Multicenter Trial to Evaluate the Safety and Efficacy of the Indigo® Aspiration System in Acute Pulmonary Embolism

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03218566
Acronym
EXTRACT-PE
Enrollment
119
Registered
2017-07-14
Start date
2017-11-22
Completion date
2019-04-05
Last updated
2020-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pulmonary Embolism

Keywords

pulmonary embolism, clot

Brief summary

To determine the safety and efficacy of the Indigo Aspiration System for aspiration mechanical thrombectomy in patients with acute pulmonary embolism (PE)

Interventions

use of mechanical thrombectomy to treat pulmonary embolism

Sponsors

Penumbra Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Clinical signs and symptoms consistent with acute PE with duration of 14 days or less. Evidence of PE must be from CTA. * Systolic BP ≥ 90 mmHg with evidence of dilated RV with an RV/LV ratio \> 0.9 * Patient is 18 years of age or older

Exclusion criteria

* tPA use within 14 days prior to baseline CTA * Systolic BP \< 90mmHg for 15min or the requirement of inotropic support to maintain systolic BP ≥ 90 mmHg * Pulmonary hypertension with peak PA \> 70 mmHg by right heart catheterization * History of severe or chronic pulmonary hypertension * Fi02 requirement \> 40% or \>6 LPM to keep oxygen saturations \>90% * Hematocrit \< 28% * Platelets \< 100,000µL * Serum creatinine \> 1.8 mg/dL * INR \> 3 * aPTT (or PTT) \> 50 seconds on no anticoagulation * History of heparin-induced thrombocytopenia (HIT) * Contraindication to systemic or therapeutic doses of anticoagulants * Major trauma \< 14 days * Presence of intracardiac lead * Cardiovascular or pulmonary surgery within last 7 days * Cancer requiring active chemotherapy * Known serious, uncontrolled sensitivity to radiographic agents * Life expectancy \< 90 days * Female who is pregnant * Intracardiac Thrombus * Patients on ECMO * Current participation in another investigational study

Design outcomes

Primary

MeasureTime frameDescription
Right Ventricle/Left Ventricle (RV:LV) Ratiofrom baseline to 48 hoursChange in RV/LV ratio per CTA
Major Adverse Event Ratewithin 48 hoursA composite of: device-related death, major bleeding, device-related SAEs (a composite of clinical deterioration, pulmonary vascular injury, cardiac injury)

Secondary

MeasureTime frame
Device-related Death Ratewithin 48 hours
Major Bleeding Ratewithin 48 hours
Clinical Deterioration Ratewithin 48 hours
Pulmonary Vascular Injury Ratewithin 48 hours
Cardiac Injury Ratewithin 48 hours
Any-cause Mortalitywithin 30 days
Device-related SAE Ratewithin 30 days
Symptomatic PE Recurrence Ratewithin 30 days

Countries

United States

Participant flow

Participants by arm

ArmCount
Single Arm
Single Arm - Use of Indigo Aspiration System (mechanical thrombectomy) to treat pulmonary embolism Indigo Aspiration System: use of mechanical thrombectomy to treat pulmonary embolism
119
Total119

Baseline characteristics

CharacteristicSingle Arm
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
46 Participants
Age, Categorical
Between 18 and 65 years
73 Participants
Age, Continuous59.8 Years
STANDARD_DEVIATION 14.98
BMI-Females36.7 kg/m^2
STANDARD_DEVIATION 10.39
BMI-Males31.7 kg/m^2
STANDARD_DEVIATION 6.6
Ethnicity (NIH/OMB)
Hispanic or Latino
9 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
103 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
7 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
Race (NIH/OMB)
Asian
3 Participants
Race (NIH/OMB)
Black or African American
37 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
6 Participants
Race (NIH/OMB)
White
72 Participants
Region of Enrollment
United States
119 participants
Sex: Female, Male
Female
53 Participants
Sex: Female, Male
Male
66 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
3 / 119
other
Total, other adverse events
56 / 119
serious
Total, serious adverse events
13 / 119

Outcome results

Primary

Major Adverse Event Rate

A composite of: device-related death, major bleeding, device-related SAEs (a composite of clinical deterioration, pulmonary vascular injury, cardiac injury)

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmMajor Adverse Event Rate2 Participants
Primary

Right Ventricle/Left Ventricle (RV:LV) Ratio

Change in RV/LV ratio per CTA

Time frame: from baseline to 48 hours

Population: The intent-to-treat population calculating the change between the baseline and the 48 hours RV/LV diameter ratio

ArmMeasureValue (MEAN)Dispersion
Single ArmRight Ventricle/Left Ventricle (RV:LV) Ratio0.43 Change in RV/LV Diameter RatioStandard Deviation 0.26
Secondary

Any-cause Mortality

Time frame: within 30 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmAny-cause Mortality3 Participants
Secondary

Cardiac Injury Rate

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmCardiac Injury Rate0 Participants
Secondary

Clinical Deterioration Rate

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmClinical Deterioration Rate2 Participants
Secondary

Device-related Death Rate

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmDevice-related Death Rate1 Participants
Secondary

Device-related SAE Rate

Time frame: within 30 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmDevice-related SAE Rate2 Participants
Secondary

Major Bleeding Rate

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmMajor Bleeding Rate2 Participants
Secondary

Pulmonary Vascular Injury Rate

Time frame: within 48 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmPulmonary Vascular Injury Rate2 Participants
Secondary

Symptomatic PE Recurrence Rate

Time frame: within 30 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Single ArmSymptomatic PE Recurrence Rate0 Participants

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026