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Clinical Trials/NCT04270058
NCT04270058Not yet recruitingNot Applicable

Pregnancy Surveillance Program of Women and Infants Exposed to TEGSEDI During Pregnancy

Akcea Therapeutics0 sites20 target enrollmentStarted: December 1, 2025Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Not Applicable
Status
Not yet recruiting
Enrollment
20
Primary Endpoint
Frequency of Selected Pregnancy and Fetal/Neonatal Outcomes

Study Overview

Brief Summary

This is a worldwide safety surveillance study of pregnancy outcomes in women with hATTR-PN who may have been exposed or were not exposed to TEGSEDI prior to or during the pregnancy and of pediatric outcomes up to 1 year of age.

Study Design

Study Type
Observational
Observational Model
Cohort
Time Perspective
Prospective

Eligibility Criteria

Sex
Female
Accepts Healthy Volunteers
No

Inclusion Criteria

  • TEGSEDI exposed patients (Cohort 1) meeting the following criteria will be eligible for study entry:
  • Pregnancies exposed to at least 1 dose of TEGSEDI within 25 weeks prior to conception or during pregnancy.
  • Able and willing to provide informed consent.
  • Unexposed patients (Cohort 2) meeting the following criteria will be eligible for study entry:
  • Have a diagnosis of hATTR-PN during pregnancy.
  • Have not been exposed to TEGSEDI within 25 weeks prior to conception or during pregnancy.
  • Able and willing to provide informed consent.

Exclusion Criteria

  • Not provided

Arms & Interventions

Cohort 1

Cohort 1 will be pregnant patients who have been exposed to at least 1 dose of TEGSEDI within 25 weeks prior to conception or during pregnancy.

Intervention: inotersen (Drug)

Outcomes

Primary Outcomes

Frequency of Selected Pregnancy and Fetal/Neonatal Outcomes

Time Frame: 10 years or 12 months after the last live birth whichever is later

Estimate the frequency of selected pregnancy and fetal/neonatal outcomes through 1 year of age in women who were exposed to at least 1 dose of TEGSEDI (Cohort 1) within 25 weeks prior to conception or during pregnancy, with the exposure window of interest for major congenital malformations being the first trimester, and in the unexposed cohort of pregnant women (Cohort 2) who have a diagnosis of hereditary transthyretin amyloidosis with polyneuropathy (hATTR-PN) * pregnancy outcomes include live births, spontaneous abortions, stillbirths, elective abortions, preterm birth * fetal/neonatal outcomes include major and minor congenital malformations, small for gestational age, failure to thrive, and postnatal development

Frequency of Selected Pregnancy Complications

Time Frame: 10 years or 12 months after the last live birth whichever is later

Estimate the frequency of selected pregnancy complications in women who were exposed to TEGSEDI (Cohort 1) within 25 weeks prior to conception or during pregnancy and in the unexposed cohort of pregnant women (Cohort 2) who have a diagnosis of hATTR-PN

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Industry
Responsible Party
Sponsor

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