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NCT Number: NCT06301984

Safety and Efficacy Evaluation of Insight GS Growing System

Premarket, interventional, single-arm clinical study, to evaluate the safety and efficacy of Insight GS Growing System in the surgical treatment of Early Onset Scoliosis (EOS). Also, to evaluate the difference in height of the spine and trunk, the success rate of the procedure, monitor adverse events and evaluate the satisfaction of the patient and care providers. The Andromeda Insight Growing System (Insight GS) is intended to treat severe, progressive multi-planar spinal deformities such as early-onset scoliosis while allowing for skeletal growth.

The Andromeda Insight Growing System consists of blades, clamps and pedicle screws used to form a distinct spinal construct in growing children. The implanted blade is used to brace the spine during growth and minimize the progression of scoliosis. The components are implanted from a posterior approach and are made from Titanium alloy (Ti6AL-4V-ELI), and High Density Polyethylene (HDPE).

Patients from 3 to 10 years of age, or who are still skeletally immature, who present early-onset scoliosis and who are considered as able to receive the surgical procedure with the Insight GS system, will be included in the study.

Patients will be screened in the outpatient setting of the study site. All participants who meet the eligibility criteria will be invited to participate in the study, which includes screening/pre-op, surgery to install the Insight GS system, and follow-up visits at 6 weeks, 2, 4, 6, 8, 10, 12,. 18 and 24 months for data collection, clinical evaluation, imaging, and monitoring of adverse events.

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Key information

Age range

3 year–10 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Hospital Ortopédico AACD

São Paulo, 04027-000, Brazil

Location contact

Alexandre F Cristante

PRINCIPAL_INVESTIGATOR

Mariana F Goncalves

CONTACT

[email protected]

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • TCLE signed by parents
  • Ages 3 to 10 years, or Risser 0, or Sanders 1,2,3 and 4
  • Cobb angle bigger than 30°
  • Thoracic spine height T1-T12 less than 22 centimeters
  • Risk of thoracic insufficiency syndrome (TIS).

Exclusion criteria

  • Need for fixation at occipital or cervical levels
  • Risser sign greater than or equal to 1
  • Sanders bigger than 4
  • Previous spine surgery
  • Medullary abnormalities
  • Existence of malignant processes
  • Local or systemic inflammations and infections, acute or chronic
  • Allergy or intolerance to materials
  • Non-reducible scoliosis
  • Morbid obesity
  • Insufficiency or absence of skin coverage

Treatment and study plan

Insight GS

Device

The Andromeda Insight Growing System (Insight GS) is intended to treat severe, progressive multi-planar spinal deformities such as early-onset scoliosis while allowing for skeletal growth.

The Andromeda Insight Growing System consists of blades, clamps and pedicle screws used to form a distinct spinal construct in growing children. The implanted blade is used to brace the spine during growth and minimize the progression of scoliosis. The components are implanted from a posterior approach and are made from Titanium alloy (Ti6AL-4V-ELI), and High Density Polyethylene (HDPE).

Primary outcomes

  1. Coronal Cobb angle change 24 months after installation of the Insight GS system.

    Time frame: 24 months after Insight GS System placement

    To determine the Cobb angle, a line will be used on the upper edge of the most inclined upper vertebra and on the lower edge of the most inclined lower vertebra, then the lines will be crossed and the measurement of the angle where they cross is the angle of Cobb. The measurement will be performed manually using conventional radiography and measuring the angle using the Cobb ruler.

Secondary outcomes

  1. Number of Adverse event ocurrence assessed by clinical evaluation

    Time frame: 24 months after Insight GS System placement

    Adverse event monitoring

  2. Changes in patient's trunk height assessed by T1 to T12 distance and the T1 to S1 distance on full-spine radiographs

    Time frame: 24 months after Insight GS System placement

    Spinal length will be assessed by measuring the T1 to T12 distance and the T1 to S1 distance on full-spine radiographs. The distance from T1 to T12 was measured as the length of a straight line joining the middle portion of the T1 vertebral end plate and the lower T12 vertebral end plate. Likewise, the distance T1 to S1 will be measured as the length of a direct line joining the middle portion of the upper end vertebral plate of T1 and the upper portion of the S1 vertebral end plate (8). The measurement will be carried out by a single operator, using conventional radiography and an analog ruler measured in centimeters.

  3. Patients' pain assessed by Wong-Baker non-verbal facial scale

    Time frame: 24 months after Insight GS System placement

    To measure patients' pain, the Wong-Baker non-verbal facial scale will be used

  4. Patient's satisfaction assessed by EOSQ-24 scale

    Time frame: 24 months after Insight GS System placement

    To assess the impact and satisfaction of treatment on caregivers or guardians, the Portuguese version of the 24-Item Early-Onset Scoliosis Questionnaire (EOSQ-24) scale will be used (10).

Study contacts

Contact information is provided by the study sponsor or research team.

Mariana F Goncalves

CONTACT

[email protected]

+55 11 99117-6507

Sponsors and collaborators

Lead sponsor

EVEREST PESQUISA E DESENVOLVIMENTO LTDA

Other

Registry information

Official study title

Safety and Efficacy Evaluation of Insight GS Growing System in the Surgical Treatment of Early Onset Scoliosis (EOS)

Important dates

Study start
2024
Primary completion
2027
Study completion
2027
First posted
Mar 8, 2024
Registry last updated
Aug 5, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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