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Recruiting NCT04441411

NCT04441411 Non Fusion Surgery in Adolescent Idiopathic Scoliosis Patients

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Clinical Trial Summary
NCT ID NCT04441411
Status Recruiting
Phase
Sponsor Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Condition Adolescent Idiopathic Scoliosis
Study Type INTERVENTIONAL
Enrollment 18 participants
Start Date 2020-06-01
Primary Completion 2026-12-31

Eligibility & Interventions

Sex All sexes
Min Age 10 Years
Max Age 17 Years
Study Type INTERVENTIONAL
Interventions
NEMOST system

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 18 participants in total. It began in 2020-06-01 with a primary completion date of 2026-12-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The primary objective of the study is to monitor the effectiveness of a minimal invasive non-fusion double rod bipolar posterior spinal implant (Nemost growing domino) to correct the scoliotic curve in growing patients suffering from progressive adolescent idiopathic scoliosis (AIS) who have failed conservative treatment.

Eligibility Criteria

Inclusion Criteria: * Adolescent idiopathic scoliosis ; * Primary Cobb angle greater than 30°; * Failed non-operative treatment defined as progression of the curve greater than 5° per year at any time; * Skeletally immature (Risser grade\* ≤2 and Skeletal age of hand and wrist X-rays ≤14y); * In girl, either pre-menarchal or post-menarchal by no more than 1 year; * Age over 10 years; * Non rigid curve; * All Lenke type; * No previous spine surgery. Exclusion Criteria: * Non-idiopathic scoliosis: musculoskeletal or neurologic conditions responsible for cause of the spine curvature (i.e. neuromuscular, congenital or syndromic scoliosis); * History of previous spine surgery; * Risser sign \>2; * Disease or deformity likely to affect the stability of the device (i.e. inadequate anatomy of pedicles, trauma or tumor in fixation region, severe osteoporosis, bone destruction or poor bone quality); * Non-reductible scoliosis; * Known allergy or intolerance to one of the device material; * Acute or chronic infections, local or systemic; * Absence or insufficience of covering tissues; * Pathological obesity.

Contact & Investigator

Central Contact

BJ Van Royen, MD, PhD

✉ bj.vanroyen@amsterdamumc.nl

📞 +31(0)5662672

Principal Investigator

BJ Van Royen, MD, PhD

PRINCIPAL INVESTIGATOR

AmsterdamUMC

Frequently Asked Questions

Who can join the NCT04441411 clinical trial?

This trial is open to participants of all sexes, aged 10 Years or older, up to 17 Years, studying Adolescent Idiopathic Scoliosis. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04441411 currently recruiting?

Yes, NCT04441411 is actively recruiting participants. Contact the research team at bj.vanroyen@amsterdamumc.nl for enrollment information.

Where is the NCT04441411 trial being conducted?

This trial is being conducted at Amsterdam, Netherlands.

Who is sponsoring the NCT04441411 clinical trial?

NCT04441411 is sponsored by Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA). The principal investigator is BJ Van Royen, MD, PhD at AmsterdamUMC. The trial plans to enroll 18 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology