# Development and Validation of a Questionnaire for Assessing Activity Limitation in Patients With Lumbar Spinal Stenosis : The Cochin L3S Questionnaire

> **NCT03918512** · — · WITHDRAWN · sponsor: **Assistance Publique - Hôpitaux de Paris**

## Conditions studied

- Lumbar Spinal Stenosis

## Interventions

- **OTHER:** nine online self-administered questionnaires

## Key facts

- **NCT ID:** NCT03918512
- **Lead sponsor:** Assistance Publique - Hôpitaux de Paris
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2020-03-01
- **Primary completion:** 2020-12-01
- **Final completion:** 2021-03-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Abandonment of the study project
- **Last updated:** 2026-03-12

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03918512

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03918512, "Development and Validation of a Questionnaire for Assessing Activity Limitation in Patients With Lumbar Spinal Stenosis : The Cochin L3S Questionnaire". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03918512. Licensed CC0.

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