# Vitamin D Supplementation for Adults With Neurofibromatosis Type 1 (NF1)

> **NCT01968590** · PHASE2 · TERMINATED · sponsor: **University of Utah** · enrollment: 26 (actual)

## Conditions studied

- Neurofibromatosis Type 1 (NF1)

## Interventions

- **DRUG:** Cholecalciferol

## Key facts

- **NCT ID:** NCT01968590
- **Lead sponsor:** University of Utah
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-08-16
- **Primary completion:** 2022-01-01
- **Final completion:** 2022-01-01
- **Target enrollment:** 26 (ACTUAL)
- **Why stopped:** unable to enroll
- **Last updated:** 2022-05-25

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01968590

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01968590, "Vitamin D Supplementation for Adults With Neurofibromatosis Type 1 (NF1)". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT01968590. Licensed CC0.

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