Intra-operative Assessment of the Intellirod LOADPRO Spinal Rod Strain Sensor for Use During Kyphotic Corrective Surgery

NCT ID: NCT02768675

Last Updated: 2017-08-22

Study Results

Results pending

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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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

12 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-05-31

Study Completion Date

2018-12-31

Brief Summary

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The LOADPRO Study is an intra-operative, non-significant risk (NSR) case series feasibility assessment of the Intellirod LOADPRO™ System measuring spinal rod strain in long spinal kyphotic corrective constructs.

Detailed Description

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The Intellirod LOADPRO™ sensor is an intra-operative titanium and ceramic, single use, disposable, strain sensing device, which includes hermetically sealed, micro electromechanical systems (MEMS) and radio-frequency identification (RFID) technology to enable measurement of intra-operative rod strain values. The transponder attaches to any commercially available 5.5mm diameter CoCr or Ti Alloy rod commonly used for posterior pedicle fixation systems. The transponder is used only to acquire rod strain values and a unique device identification code, which is obtained by a hand-held reader, providing real-time, objective measurement of the mechanical rod strain.

This non-significant risk case series is intended to assess the effectiveness of the Intellirod LOADPRO™ sensor methodology and the intra-operative measurement of spinal rod strain. The LOADPRO™ sensors will be removed from the spinal rods after obtaining load measurements.

Conditions

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Kyphosis Spinal Fractures

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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LOADPRO arm

Participants will temporarily receive a LOADPRO device affixed to kyphotic corrective rods. The device will not be implanted and will be removed prior to surgery closure.

Group Type EXPERIMENTAL

LOADPRO

Intervention Type DEVICE

The Intellirod LOADPRO sensor is a single-use, disposable instrument for the intra-operative measurement of posterior instrumented, spine rod strain.

Interventions

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LOADPRO

The Intellirod LOADPRO sensor is a single-use, disposable instrument for the intra-operative measurement of posterior instrumented, spine rod strain.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* between 18 and 65 years of age
* presenting with a confirmed diagnosis of kyphosis with deformity greater than 70 degrees requiring large segmental correction involving a minimum of six (6) levels
* failure of conservative therapy requiring surgical correction of sagittal imbalance
* sagittal imbalance due to loss of lumbar lordosis, and/or segmental kyphosis
* participated in the informed consent process and has signed an Institutional Review Board approved informed consent

Exclusion Criteria

* women who are pregnant
* evidence of active (systemic or local) infection at time of surgery
* prisoner or transient
* history of known narcotic abuse
* psychological disturbance past or present that could impair the consent process or ability to complete subject self-report questionnaires
* ASA \> 3
* osteoporosis diagnosed on DEXA defined as a T-score ≥ -2.0
* Unable or unwilling to provide a full informed consent
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Intellirod Spine

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Richard N Navarro

Role: STUDY_DIRECTOR

Intellirod Spine

Locations

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Norton Leatherman Spine Center

Louisville, Kentucky, United States

Site Status RECRUITING

OhioHealth Neurological Physicians

Columbus, Ohio, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Richard N Navarro

Role: CONTACT

234-678-8965

Mary L Lewis

Role: CONTACT

440-801-1540 ext. 210

Facility Contacts

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Jeffrey L Gum, MD

Role: primary

502-584-7525

Chris S Karas, MD

Role: primary

614-566-9777

Other Identifiers

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LOADPRO EX-0029

Identifier Type: -

Identifier Source: org_study_id

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