# Maintenance Vitamin D Therapy for Secondary Hyperparathyroidism (2HPT)

> **NCT00828347** · NA · COMPLETED · sponsor: **Kumamoto University** · enrollment: 35 (actual)

## Conditions studied

- Secondary Hyperparathyroidism

## Interventions

- **DRUG:** 1.0 μg/day Alfacalcidol
- **DRUG:** 0.25 μg/day Alfacalcidol

## Key facts

- **NCT ID:** NCT00828347
- **Lead sponsor:** Kumamoto University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-01
- **Primary completion:** 2009-07
- **Final completion:** 2009-07
- **Target enrollment:** 35 (ACTUAL)
- **Last updated:** 2016-01-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00828347

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00828347, "Maintenance Vitamin D Therapy for Secondary Hyperparathyroidism (2HPT)". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT00828347. Licensed CC0.

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