Clinical trialNCT01922843CompletedPhase 2Interventional

A Phase 2 Study of an Oral Vitamin D Compound (DP001) in Secondary Hyperparathyroidism in Patients on Hemodialysis

SponsorDeltanoid PharmaceuticalsEnrollment62Hyperparathyroidism, SecondaryKidney Failure, Chronic

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The goal of this study is to test a new vitamin D compound for its ability to reduce parathyroid hormone levels in patients who are on hemodialysis.

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Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Ravi Thadhani, MD
Massachusetts General Hospital
Study Chair
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

14 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Facility name not stated
Phoenix, Arizona, United States
Facility name not stated
Tucson, Arizona, United States
Facility name not stated
Washington D.C., District of Columbia, United States
Facility name not stated
Evanston, Illinois, United States
Facility name not stated
St Louis, Missouri, United States
Facility name not stated
Las Vegas, Nevada, United States
Facility name not stated
Great Neck, New York, United States
Facility name not stated
Ridgewood, New York, United States
Facility name not stated
Charlotte, North Carolina, United States
Facility name not stated
Cincinnati, Ohio, United States
Facility name not stated
Nashville, Tennessee, United States
Facility name not stated
Fort Worth, Texas, United States
Facility name not stated
Grand Prairie, Texas, United States
Facility name not stated
San Antonio, Texas, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

DP001 softgel capsulesPlacebo

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 30 Sept 2013
Primary completion: 31 May 2014
Completion: 30 Jun 2014
Last update posted: 18 Aug 2017
Registered enrollment: 62
Registry id: NCT01922843

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.