# Variability in ASD (Adult Spinal Deformity) Value

> **NCT04638894** · — · ACTIVE_NOT_RECRUITING · sponsor: **Universitaire Ziekenhuizen KU Leuven** · enrollment: 140 (estimated)

## Conditions studied

- Hospital Costs

## Interventions

- **PROCEDURE:** Surgical treatment of patients with adult spinal deformity

## Key facts

- **NCT ID:** NCT04638894
- **Lead sponsor:** Universitaire Ziekenhuizen KU Leuven
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-06-01
- **Primary completion:** 2026-06-01
- **Final completion:** 2026-06-01
- **Target enrollment:** 140 (ESTIMATED)
- **Last updated:** 2026-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04638894

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04638894, "Variability in ASD (Adult Spinal Deformity) Value". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04638894. Licensed CC0.

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