NCT06383962

Brief Summary

This is a real world data collection observational study at a single site. There are both prospective and retrospective cohorts. The study will examine the safety and effectiveness of the Synergy cervical disc system in patients with degenerative cervical disc disease.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
104mo left

Started Mar 2025

Longer than P75 for all trials

Geographic Reach
1 country

2 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress12%
Mar 2025Dec 2034

First Submitted

Initial submission to the registry

April 22, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

April 25, 2024

Completed
11 months until next milestone

Study Start

First participant enrolled

March 17, 2025

Completed
4.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2029

Expected
5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2034

Last Updated

May 1, 2026

Status Verified

April 1, 2026

Enrollment Period

4.7 years

First QC Date

April 22, 2024

Last Update Submit

April 30, 2026

Conditions

Outcome Measures

Primary Outcomes (2)

  • Neck Disability Index (NDI)

    Neck disability Index improvement of \>15 pts (out of 100) in subjects by 12 months post operative compared with baseline. A lower score is a better score.

    12 months

  • Device Related or Device Procedure Related Adverse Events

    Absence of major device related adverse events defined as radiographic failure, neurologic failure or failure by adverse event

    12 months

Secondary Outcomes (5)

  • Neck and Arm Pain Measurement

    pre-operative, 6 week, 3 month, 6 month, 12 month, 24 month

  • Patient Satisfaction

    6 week, 3 month, 6 month, 12 month, 24 month

  • Motor and Sensory Function in the Arm

    pre-operative, 6 week, 3 month, 6 month, 12 month, 24 month

  • Nurick's Criteria

    pre-operative, 6 week, 3 month, 6 month, 12 month, 24 month

  • Odom's criteria

    pre-operative, 6 week, 3 month, 6 month, 12 month, 24 month

Study Arms (2)

Prospective

All patients for whom the decision has been made to have the Synergy Disc system implanted and give informed consent will be enrolled in this study, following country-specific requirements.

Device: Synergy cervical spine disc replacement

Retrospective

Patients who have previously received the Synergy Disc system in the last ten years are eligible for inclusion in the retrospective data collection; a waiver of consent, or an informed consent, for the retrospective data collection from the medical records of the implanting surgeon will be sought per country-specific regulations.

Device: Synergy cervical spine disc replacement

Interventions

motion preservation disc

ProspectiveRetrospective

Eligibility Criteria

Age21 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients who have had (retrospective cohort) or who are going to (prospective cohort) the Synergy cervical disc and have cervical degenerative disc disease that has been unresponsive to conservative treatment.

You may qualify if:

  • Age 21 or above at the time of the surgery. Have had (retrospective cohort) or the decision has been made to have (prospective cohort) the Synergy Disc implanted Skeletally mature patients for reconstruction of the disc from C3-C7 following a single or multiple level discectomy for intractable radiculopathy
  • Intractable radiculopathy and/or myelopathy with at least one of the following producing symptomatic nerve root and/or spinal cord compression:
  • herniated disc and/or osteophyte formation Symptomatic nerve root and/or spinal cord compression documented by patient history (arm or neck pain and/or neurologic deficit) and imaging (CT, MRI, x-rays, etc.) Failed a minimum of 6 weeks conservative treatment Written informed consent given by subject.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Royal Orthopaedic Hospital

Birmingham, United Kingdom

RECRUITING

Kings College Hospital

London, United Kingdom

RECRUITING

Study Officials

  • Robyn Capobianco, PhD

    Synergy Spine Solutions

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 22, 2024

First Posted

April 25, 2024

Study Start

March 17, 2025

Primary Completion (Estimated)

December 1, 2029

Study Completion (Estimated)

December 1, 2034

Last Updated

May 1, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share

Locations