A Phase 2 Study of an Oral Vitamin D Compound (DP001) in Secondary Hyperparathyroidism in Patients on Hemodialysis
2MD-7H-2B
A Phase 2B, Double-blind, Randomized, Placebo-controlled, Proof-of-concept Study of an Oral Vitamin D Compound (DP001) in Secondary Hyperparathyroidism in Patients on Hemodialysis
1 other identifier
interventional
62
1 country
14
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Sep 2013
Shorter than P25 for phase_2
14 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 12, 2013
CompletedFirst Posted
Study publicly available on registry
August 14, 2013
CompletedStudy Start
First participant enrolled
September 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2014
CompletedAugust 18, 2017
August 1, 2017
8 months
August 12, 2013
August 15, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The proportion of patients who achieve two consecutive > or = 30% decreases from his/her baseline serum iPTH level
12 weeks, with weekly iPTH measurements
Secondary Outcomes (1)
Mean percentage change in serum iPTH
Baseline to 12 weeks
Study Arms (2)
DP001
EXPERIMENTALDP001 softgel capsules, 440 ng taken orally three times weekly after dialysis for 12 weeks
Placebo
PLACEBO COMPARATORPlacebo softgel capsules, taken orally three times weekly after dialysis for 12 weeks
Interventions
Eligibility Criteria
You may qualify if:
- Men and non-pregnant women ≥18 years of age
- Patient is diagnosed with ESRD and must be on hemodialysis 3 times per week for at least 3 months prior to Screening Phase
- Patient is currently being treated with pharmaceutical vitamin D for the treatment of secondary hyperparathyroidism
- Serum iPTH value ≤500 pg/mL at first screening visit
- Total serum calcium (corrected for albumin) ≤10.5 mg/dL at first screening visit
- Serum phosphorus ≤7.0 mg/dL at first screening visit
You may not qualify if:
- Currently taking any of the following: drugs affecting vitamin D metabolism, digitalis, glucocorticoids, cyclosporine or other immunosuppressants, aluminum-based phosphate binders
- A daily intake \>4000 IU vitamin D (D3 + D2)
- Any investigational drug use within 10 half-lives of the drug (or within the previous 30 days if the half-life of the drug is unknown)
- History of any of the following: ventricular dysrhythmias, severe congestive heart failure, angina pectoris, myocardial infarction, coronary angioplasty, coronary artery bypass grafting, multiple myeloma, calciphylaxis, active malignancy, end-stage liver disease, active infections, clinically significant renal/urinary tract stones, sarcoidosis, tuberculosis, parathyroidectomy
- Major surgery within the past 3 months
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (14)
Unknown Facility
Phoenix, Arizona, United States
Unknown Facility
Tucson, Arizona, United States
Unknown Facility
Washington D.C., District of Columbia, United States
Unknown Facility
Evanston, Illinois, United States
Unknown Facility
St Louis, Missouri, United States
Unknown Facility
Las Vegas, Nevada, United States
Unknown Facility
Great Neck, New York, United States
Unknown Facility
Ridgewood, New York, United States
Unknown Facility
Charlotte, North Carolina, United States
Unknown Facility
Cincinnati, Ohio, United States
Unknown Facility
Nashville, Tennessee, United States
Unknown Facility
Fort Worth, Texas, United States
Unknown Facility
Grand Prairie, Texas, United States
Unknown Facility
San Antonio, Texas, United States
Related Publications (1)
Thadhani R, Zella JB, Knutson DC, Blaser WJ, Plum LA, Clagett-Dame M, Buck RD, DeLuca HF. 2MD (DP001), a Single Agent in the Management of Hemodialysis Patients: A Randomized Trial. Am J Nephrol. 2017;45(1):40-48. doi: 10.1159/000452680. Epub 2016 Nov 24.
PMID: 27880946DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Ravi Thadhani, MD
Massachusetts General Hospital
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 12, 2013
First Posted
August 14, 2013
Study Start
September 1, 2013
Primary Completion
May 1, 2014
Study Completion
June 1, 2014
Last Updated
August 18, 2017
Record last verified: 2017-08