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Pregnancy Exposure Registry for Avonex (Interferon Beta-1a)

Avonex Pregnancy Exposure Registry

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00168714
Enrollment
329
Registered
2005-09-15
Start date
2004-02-29
Completion date
2011-09-30
Last updated
2014-06-09

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

Conditions

Multiple Sclerosis, Pregnancy, Prenatal Exposure Delayed Effects

Keywords

AVONEX, Pregnancy

Brief summary

The primary objectives of the study were to prospectively record and analyze birth defects and spontaneous fetal losses in women with multiple sclerosis (MS) exposed to Avonex within approximately 1 week of conception or during the first trimester of pregnancy, where the outcome of the pregnancy was unknown prospectively and to prospectively record and analyze pregnancy outcomes in an exploratory fashion of women with MS who stopped therapy, but who may have been exposed to Avonex with approximately 1 week of conception or during the first trimester of pregnancy.

Interventions

Exposure to Avonex during pregnancy

Sponsors

Biogen
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Have been exposed to AVONEX within approximately 1 week of conception or during the first trimester of pregnancy. * Provide sufficient information to determine that the pregnancy is prospectively registered (i.e., the outcome of pregnancy must be unknown prospectively). * Provide verbal consent to participate in the Registry. * Verbally provide contact information for herself, her HCP, and the infant's HCP (if applicable). NOTE: Other protocol defined inclusion/

Exclusion criteria

may apply.

Design outcomes

Primary

MeasureTime frame
Record and analyze birth defects and spontaneous fetal lossesProspectively, MS women exposed to Avonex within 1 week of conception or during the first trimester of pregnancy
Record and analyze pregnancy outcomesProspectively, MS women who stopped therapy, but may have been exposed to Avonex within 1 week of conception or during the first trimester of pregnancy

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026