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Completed Phase 3 Interventional Results available

Rilonacept for Treatment of Cryopyrin-Associated Periodic Syndromes (CAPS)

ClinicalTrials.gov ID: NCT00288704

Public ClinicalTrials.gov record NCT00288704. 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 21, 2026, 9:38 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

IL1T-AI-0505: A Multi-center, Double-Blind, Placebo-Controlled Study of the Safety, Tolerability, & Efficacy of Rilonacept in Subjects With Cryopyrin-Associated Periodic Syndromes (CAPS) Using Parallel Group & Randomized Withdrawal Designs

Brief summary

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

Inflammatory symptoms of Cryopyrin-Associated Periodic Syndrome (CAPS) are due to mutations in a the NLRP-3 gene (previously known as Cold Induced Autoinflammatory Syndrome-1 or CIAS1). These mutations result in the body's overproduction of interleukin-1 (IL-1), a protein that stimulates the inflammatory process. IL-1 Trap (rilonacept) was designed to bind to the interleukin-1 cytokine and prevent it from binding to its receptors in the body.

Study identification

NCT ID
NCT00288704
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Regeneron Pharmaceuticals
Industry
Enrollment
104 participants

Conditions and interventions

Eligibility (public fields only)

Age range
7 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
Dec 2005 (Type not available)
Primary completion
Jun 2008 (Actual)
Completion
Aug 2008 (Actual)
Last update posted
Dec 6, 2011

2005 – 2008

United States locations

U.S. sites
24
U.S. states
19
U.S. cities
24
Facility City State ZIP Site status
Not listed Little Rock Arkansas 72204 —
Not listed Palm Desert California 92260 —
Not listed Upland California 91786 —
Not listed Jacksonville Florida 32216 —
Not listed Stuart Florida 34996 —
Not listed Atlanta Georgia 30342 —
Not listed Columbus Georgia 31904 —
Not listed Aurora Illinois 60504 —
Not listed Louisville Kentucky 40215 —
Not listed Shreveport Louisiana 71105 —
Not listed Chesterfield Michigan 48047 —
Not listed St Louis Missouri 63141 —
Not listed New York New York 10023 —
Not listed Raleigh North Carolina 27609 —
Not listed Cincinnati Ohio 45236 —
Not listed Duncansville Pennsylvania 16635 —
Not listed Columbia South Carolina 29201 —
Not listed Greer South Carolina 29651 —
Not listed Chattanooga Tennessee 37403 —
Not listed Dallas Texas 75235 —
Not listed Waco Texas 76712 —
Not listed Cedar City Utah 84720 —
Not listed Forest Virginia 24551 —
Not listed Lakewood Washington 98499 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00288704, 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 Dec 6, 2011 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00288704 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →