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An Observational Study of Radial Access Embolization Procedures Using HydroPearl Microspheres

The RAVI Registry: A Prospective, Multi-Center, Observational Study of Radial Access Embolization Procedures Using HydroPearl Microspheres

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04272216
Acronym
RAVI Registry
Enrollment
99
Registered
2020-02-17
Start date
2020-02-06
Completion date
2023-03-11
Last updated
2025-09-09

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

Conditions

Arteriovenous Malformations, Benign Prostatic Hyperplasia, Hypervascular Tumors, Uterine Fibroid

Brief summary

This registry study is designed to collect data on the procedural success and complication rates in real-world patients undergoing HydroPearl embolization procedures via radial access.

Interventions

DEVICETreatment with HydroPearl via radial access

This is an observational study collecting data on patients who are already being treated with HydroPearl on-label per standard of care.

Sponsors

Terumo Medical Corporation
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

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

Inclusion criteria

1. Subject is ≥ 18 years old 2. Subject is scheduled for a procedure for treatment with HydroPearl microspheres using radial access. 3. Subject is willing and able to complete follow-up requirements 4. Subject is willing and able to sign a written Informed Consent form prior to participating in the registry.

Exclusion criteria

1. Unable to have a procedure with radial access for any reason. 2. Participating in another clinical study which, in the opinion of the investigator, could impact the results of this registry. 3. Pregnant or planning to become pregnant during the study.

Design outcomes

Primary

MeasureTime frameDescription
Procedural SuccessDuration of procedure (measured from the time the participant is sedated (start of study procedure) until all products are removed from the participant and closure is confirmed (end of the intended study procedure))Defined as completing the planned procedure without femoral access bailout
Technical SuccessDuration of procedure (from when the injection of HydroPearls is started until access site closure has been completed)Delivery of HydroPearls to the target vessel and slowing the blood flow with microsphere embolization
Freedom From Major Adverse Events and Radial Access Complicationswithin 30 days post-procedureMajor Adverse Events are defined as the following: Death MI Stroke
Radial Access Related Complications Within 30 Days30 days post procedureRadial access related complications that occurred within 30 days of the index procedure include, but are not limited to, the following: Radial Artery Occlusion (RAO) Hand Ischemia Arteriovenous Fistula Pseudoaneurysm Any complication requiring surgical and/or endovascular intervention within 30 days of the index procedure

Countries

United States

Participant flow

Participants by arm

ArmCount
Uterine Fibroid Embolization With HydroPearls Via Radial Access
Patients will be separated into the following groups based on indication: Uterine Fibroid Embolization (UFE) All subjects will receive treatment with HydroPearl via radial access.
70
Prostatic Artery Embolization With HydroPearls Via Radial Access
Patients will be separated into the following groups based on indication: Prostatic Artery Embolization (PAE) to treat benign prostatic hyperplasia (BPH). All subjects will receive treatment with HydroPearls via radial access.
16
Liver Tumor Embolization With HydroPearls Via Radial Access
Patients will be separated into the following groups based on indication: Liver Tumor Embolization (LT) to hypervascular tumors in the liver. All subjects will receive treatment with HydroPearls via radial access.
7
Other Hypervascular Tumor Embolization With HydroPearls Via Radial Access
Patients will be separated into the following groups based on indication: Other Hypervascular Tumors (OHT) to treat hypervascular tumors located outside of the liver. All subjects will receive treatment with HydroPearls via radial access.
6
Total99

Baseline characteristics

CharacteristicProstatic Artery Embolization With HydroPearls Via Radial AccessLiver Tumor Embolization With HydroPearls Via Radial AccessOther Hypervascular Tumor Embolization With HydroPearls Via Radial AccessUterine Fibroid Embolization With HydroPearls Via Radial AccessTotal
Age, Continuous67.6 years59.6 years60.3 years44.3 years50.1 years
Medical History
Atrial Fibrillation
4 Participants0 Participants0 Participants0 Participants4 Participants
Medical History
Hypercholesterolemia
4 Participants1 Participants3 Participants3 Participants11 Participants
Medical History
Hypertension
7 Participants4 Participants6 Participants26 Participants43 Participants
Medical History
Myocardial Infarction (MI)
1 Participants0 Participants0 Participants1 Participants2 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants1 Participants1 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants1 Participants1 Participants
Race (NIH/OMB)
Black or African American
1 Participants3 Participants1 Participants44 Participants49 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants0 Participants0 Participants5 Participants6 Participants
Race (NIH/OMB)
White
14 Participants4 Participants5 Participants19 Participants42 Participants
Region of Enrollment
United States
16 participants7 participants6 participants70 participants99 participants
Sex: Female, Male
Female
0 Participants1 Participants3 Participants70 Participants74 Participants
Sex: Female, Male
Male
16 Participants6 Participants3 Participants0 Participants25 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
1 / 700 / 161 / 70 / 6
other
Total, other adverse events
32 / 709 / 164 / 73 / 6
serious
Total, serious adverse events
6 / 700 / 161 / 72 / 6

Outcome results

Primary

Freedom From Major Adverse Events and Radial Access Complications

Major Adverse Events are defined as the following: Death MI Stroke

Time frame: within 30 days post-procedure

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Uterine Fibroid Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsFreedom from Major Adverse Events and radial access complications within 30 days post procedure69 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsDeath within 30 days1 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsStroke within 30 days0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsMI within 30 days0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsDeath within 30 days0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsStroke within 30 days0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsMI within 30 days0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsFreedom from Major Adverse Events and radial access complications within 30 days post procedure16 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsFreedom from Major Adverse Events and radial access complications within 30 days post procedure6 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsStroke within 30 days0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsMI within 30 days0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsDeath within 30 days1 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsStroke within 30 days0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsFreedom from Major Adverse Events and radial access complications within 30 days post procedure6 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsDeath within 30 days0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessFreedom From Major Adverse Events and Radial Access ComplicationsMI within 30 days0 Participants
Primary

Procedural Success

Defined as completing the planned procedure without femoral access bailout

Time frame: Duration of procedure (measured from the time the participant is sedated (start of study procedure) until all products are removed from the participant and closure is confirmed (end of the intended study procedure))

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Uterine Fibroid Embolization With HydroPearls Via Radial AccessProcedural Success70 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessProcedural Success16 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessProcedural Success7 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessProcedural Success6 Participants
Primary

Radial Access Related Complications Within 30 Days

Radial access related complications that occurred within 30 days of the index procedure include, but are not limited to, the following: Radial Artery Occlusion (RAO) Hand Ischemia Arteriovenous Fistula Pseudoaneurysm Any complication requiring surgical and/or endovascular intervention within 30 days of the index procedure

Time frame: 30 days post procedure

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysAccess site pain0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel occlusion0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHand Ischemia0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArteriovenous fistula0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysPseudoaneurysm0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel dissection0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel spasm4 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArtery perforation0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysDistal embolization0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHematoma at the puncture site4 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysFinger amputation/ loss of limb0 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysOther8 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHand Ischemia0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel occlusion0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHematoma at the puncture site2 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArtery perforation0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysFinger amputation/ loss of limb0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysOther0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysDistal embolization0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel dissection0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysPseudoaneurysm0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysAccess site pain0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArteriovenous fistula0 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel spasm0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArteriovenous fistula0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysOther0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysPseudoaneurysm0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel dissection0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysFinger amputation/ loss of limb0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel spasm1 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArtery perforation0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysDistal embolization0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHematoma at the puncture site1 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysAccess site pain0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel occlusion0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHand Ischemia0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArteriovenous fistula0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHand Ischemia0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysHematoma at the puncture site1 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel spasm1 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysAccess site pain1 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel occlusion0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysVessel dissection0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysOther2 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysPseudoaneurysm0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysDistal embolization0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysArtery perforation0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessRadial Access Related Complications Within 30 DaysFinger amputation/ loss of limb0 Participants
Primary

Technical Success

Delivery of HydroPearls to the target vessel and slowing the blood flow with microsphere embolization

Time frame: Duration of procedure (from when the injection of HydroPearls is started until access site closure has been completed)

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Uterine Fibroid Embolization With HydroPearls Via Radial AccessTechnical SuccessSuccessful delivery of HydroPearls to target vessels69 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessTechnical SuccessComplete Embolization69 Participants
Uterine Fibroid Embolization With HydroPearls Via Radial AccessTechnical SuccessPartial Embolization1 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessTechnical SuccessComplete Embolization14 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessTechnical SuccessPartial Embolization2 Participants
Prostatic Artery Embolization With HydroPearls Via Radial AccessTechnical SuccessSuccessful delivery of HydroPearls to target vessels16 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessSuccessful delivery of HydroPearls to target vessels7 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessPartial Embolization0 Participants
Liver Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessComplete Embolization7 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessPartial Embolization0 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessSuccessful delivery of HydroPearls to target vessels6 Participants
Other Hypervascular Tumor Embolization With HydroPearls Via Radial AccessTechnical SuccessComplete Embolization6 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026