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Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Cinacalcet for the Treatment of Hypercalcemia in Patients With Primary Hyperparathyroidism Unable to Undergo Parathyroidectomy

ClinicalTrials.gov ID: NCT00975221

Public ClinicalTrials.gov record NCT00975221. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 5:51 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized Double-blind Placebo-controlled Study to Evaluate the Efficacy and Safety of Cinacalcet for the Treatment of Hypercalcemia in Subjects With Primary Hyperparathyroidism Unable to Undergo Parathyroidectomy

Study identification

NCT ID
NCT00975221
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Amgen
Industry
Enrollment
67 participants

Conditions and interventions

Interventions

  • Cinacalcet Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 9, 2010
Primary completion
Jul 11, 2012
Completion
Dec 20, 2012
Last update posted
Oct 16, 2018

2010 – 2012

United States locations

U.S. sites
22
U.S. states
11
U.S. cities
22
Facility City State ZIP Site status
Research Site Lake Forest California 92630
Research Site Lancaster California 93534
Research Site Los Gatos California 95032
Research Site Mission Viejo California 92691
Research Site Orange California 92869
Research Site San Diego California 92124
Research Site Aurora Colorado 80045
Research Site Washington D.C. District of Columbia 20010
Research Site Aventura Florida 33180
Research Site Clearwater Florida 33756
Research Site Jacksonville Florida 32204
Research Site Miami Florida 33145
Research Site Pembroke Pines Florida 33028
Research Site Weston Florida 33331
Research Site Atlanta Georgia 30322
Research Site Indianapolis Indiana 46202
Research Site Kenner Louisiana 70065
Research Site New Orleans Louisiana 70121
Research Site Detroit Michigan 48236
Research Site New York New York 10032
Research Site Morehead City North Carolina 28557
Research Site Columbus Ohio 43210-1296

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 25 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00975221, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 16, 2018 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00975221 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →