# Optic Neuritis Treatment Trial (ONTT)

> **NCT00000146** · PHASE3 · UNKNOWN · sponsor: **National Eye Institute (NEI)**

## Conditions studied

- Multiple Sclerosis
- Optic Neuritis

## Interventions

- **DRUG:** Methylprednisolone
- **DRUG:** Prednisone

## Key facts

- **NCT ID:** NCT00000146
- **Lead sponsor:** National Eye Institute (NEI)
- **Sponsor class:** NIH
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 1988-07
- **Primary completion:** —
- **Final completion:** —
- **Target enrollment:** — (—)
- **Last updated:** 2006-06-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000146

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000146, "Optic Neuritis Treatment Trial (ONTT)". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00000146. Licensed CC0.

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