# Post-approval Registry Study to Evaluate the Continued Safety and Probable Benefit of the MID-C System for 5 Years Post-Implantation in Adolescent Idiopathic Scoliosis (AIS)

> **NCT04296903** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Apifix** · enrollment: 201 (actual)

## Conditions studied

- Adolescent Idiopathic Scoliosis

## Interventions

- **DEVICE:** MID-C System

## Key facts

- **NCT ID:** NCT04296903
- **Lead sponsor:** Apifix
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-05-31
- **Primary completion:** 2029-06-30
- **Final completion:** 2030-06-30
- **Target enrollment:** 201 (ACTUAL)
- **Last updated:** 2025-10-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04296903

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04296903, "Post-approval Registry Study to Evaluate the Continued Safety and Probable Benefit of the MID-C System for 5 Years Post-Implantation in Adolescent Idiopathic Scoliosis (AIS)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04296903. Licensed CC0.

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