# Incidence of Large Annular Defects in Primary Lumbar Discectomy Patients

> **NCT03252691** · — · WITHDRAWN · sponsor: **Intrinsic Therapeutics**

## Conditions studied

- Lumbar Disc Herniation
- Anular Tear of Lumbar Disc
- Nucleus Pulp Hernia;Lumbosac

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03252691
- **Lead sponsor:** Intrinsic Therapeutics
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2020-09
- **Primary completion:** 2021-04
- **Final completion:** 2021-05-18
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Site closure and no patient enrolled
- **Last updated:** 2021-05-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03252691

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03252691, "Incidence of Large Annular Defects in Primary Lumbar Discectomy Patients". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03252691. Licensed CC0.

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