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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: NPSP558 Clear all
Completed Phase 3 Interventional Results available

Use of NPSP558 in the Treatment of Hypoparathyroidism

NCT00732615
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
Placebo, NPSP558
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
19
States / cities
Scottsdale, Arizona • Lakewood, California • Orange, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

Study of Safety and Efficacy of a rhPTH[1-84] of Fixed Doses of 25 and 50 mcg in Adults With Hypoparathyroidism (RELAY)

NCT01268098
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
NPSP558
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
12
States / cities
Lakewood, California • Chicago, Illinois • Indianapolis, Indiana + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 1, 2026, 10:42 AM EDT
Not listed Phase 3 Interventional

ADD-ON Study to Existing Hypoparathyroidism Studies

NCT00856401
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
PTH1-84 in parent study
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

A Open-label Study Investigating the Safety and Tolerability of NPSP558, a Recombinant Human Parathyroid Hormone (rhPTH [1-84]), for the Treatment of Adults With Hypoparathyroidism - A Clinical Extension Study (RACE)

NCT01297309
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
NPSP558
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
14
States / cities
Lakewood, California • Jacksonville, Florida • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Sep 1, 2026, 10:42 AM EDT