# Tumor-induced Osteomalacia Disease Monitoring Program

> **NCT04783428** · — · ACTIVE_NOT_RECRUITING · sponsor: **Ultragenyx Pharmaceutical Inc** · enrollment: 23 (actual)

## Conditions studied

- Tumor-induced Osteomalacia (TIO)

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT04783428
- **Lead sponsor:** Ultragenyx Pharmaceutical Inc
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-01-31
- **Primary completion:** 2032-02-28
- **Final completion:** 2032-02-28
- **Target enrollment:** 23 (ACTUAL)
- **Last updated:** 2026-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04783428

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04783428, "Tumor-induced Osteomalacia Disease Monitoring Program". Retrieved via AI Analytics 2026-07-05 from https://api.ai-analytics.org/clinical/NCT04783428. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*