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A Phase III, Multicenter, Open-Label, Long-Term Study of the Tolerability of Intravenous Natalizumab in Crohn's Disease Subjects Who Have Previously Participated in Natalizumab Crohn's Disease Study CD351 - CD354

A Phase III, Multicenter, Open-Label, Long-Term Study of the Tolerability of Intravenous Natalizumab in Crohn's Disease Subjects Who Have Previously Participated in Natalizumab Crohn's Disease Study CD351 - CD354

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2004-003839-31-DK
Enrollment
1000
Registered
2005-05-17
Start date
2005-02-05
Completion date
Unknown
Last updated
2012-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Crohn's Disease (CD)

Interventions

Product Name: natalizumab Product Code: AN100226 Pharmaceutical Form: Concentrate for solution for infusion INN or Proposed INN: natalizumab Current Sponsor code: AN100226 Concentration unit: mg/ml mi

Sponsors

Elan Pharma Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Subjects must have provided written informed consent; - Subjects must be =18 years of age; - Subjects must either be currently participating in natalizumab Crohn's Disease Study CD351 or have completed their 24th infusion in the CD351 study within the previous 12 weeks. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: - Women of childbearing potential unless surgically sterile or using adequate contraception (either IUD, oral or depot contraceptive, or barrier plus spermicide), and willing and able to continue contraception for at least 3 months after administration of the last infusion of study drug; - Women who are pregnant or breastfeeding; - Subjects who have experienced any anaphylaxis, angioedema, urticaria, clinical syndrome diagnostic of serum sickness, or biopsy-proven vasculitis to a previous infusion of natalizumab. - Subjects whose concomitant medication for CD include any of the following: Use of Infliximab (except for subjects previously enrolled in Study CD306 who are currently receiving infliximab in CD351). Use of tacrolimus, cyclosporin, mycophenolate mofetil or any experimental CD therapy where these agents have not been discontinued for at least 4 weeks prior to month 0.

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the long-term tolerability of natalizumab by assessment of adverse events (AEs).;Secondary Objective: To assess immunogenicity during long-term treatment with natalizumab, as measured by anti-natalizumab antibody formation.;Primary end point(s): The primary objective of this study is to evaluate the long-term tolerability of natalizumab when administered at a dose of 300 mg IV to subjects with Crohn's Disease who have participated in natalizumab study CD351.

Countries

Denmark

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026