Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational Results available

Long-term Effect of Lanthanum Carbonate on Bone

ClinicalTrials.gov ID: NCT00557323

Public ClinicalTrials.gov record NCT00557323. 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 Oct 22, 2026, 11:05 AM 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 Long-term, Observational Study to Monitor Mortality, Bone-related Adverse Events and the Safety of Subjects Who Were Recruited Into Study SPD405-309

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Patients enrolled in a previous study (SPD405-309), who were exposed to lanthanum carbonate (Fosrenol), were eligible to continue on any prescribed treatment for hyperphosphatemia, including lanthanum carbonate (Fosrenol), for an additional 5 years. Patients were being observed for any bone adverse events or other serious adverse events, as well as the collection of mortality data.

Study identification

NCT ID
NCT00557323
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Shire
Industry
Enrollment
34 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
Not listed
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 15, 2007 (Actual)
Primary completion
Aug 31, 2010 (Actual)
Completion
Aug 31, 2010 (Actual)
Last update posted
Jul 13, 2021

2007 – 2010

United States locations

U.S. sites
8
U.S. states
7
U.S. cities
8
Facility City State ZIP Site status
Imperial care Dialysis Center Lynwood California 90262 —
Barnett Research and Communications Medical Group Torrance California 90503-4100 —
Western new England Renal & Transplant Associates Springfield Massachusetts 01107 —
Mercy Medical Center Canton Ohio 44708 —
Hypertension & Nephrology, Inc. Providence Rhode Island 02904 —
Nephrology Associates, PC Nashville Tennessee 37205 —
University of Vermont Burlington Vermont 05401 —
Nephrology Associates, PC Richmond Virginia 23226-2022 —

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 11 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00557323, 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 Jul 13, 2021 · Synced Oct 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00557323 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →