Monitoring pregnancy outcomes in women exposed to patisiran-LNP
Official title: Patisiran-LNP Pregnancy Surveillance Program
Run by Alnylam Pharmaceuticals · NCT05040373 · Data updated 2026-11-12
This study is looking to see how patisiran-LNP affects pregnancy and baby outcomes in women who have been treated with it.
Quick facts
| Study type | Observational |
|---|---|
| Sex | Women only |
| Enrollment | 10 (estimated) |
| Sponsor | Alnylam Pharmaceuticals Industry-sponsored |
| Locations | 7 sites (Iowa City, Iowa and 6 other locations) |
| Status | Recruiting |
| Started | August 1, 2020 |
| Main results expected | October 12, 2030 |
| Study ends | October 12, 2030 |
| Registry record updated | October 8, 2026 |
| Trial ID | NCT05040373 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this program are women who have been exposed to patisiran-LNP during pregnancy or in the 12 weeks prior to their last menstrual period.
✕Probably not a fit
Patients who have not been exposed to patisiran-LNP or who are not pregnant may not receive any benefit from this program.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational program aims to collect and evaluate pregnancy outcomes, complications, and fetal/neonatal/infant outcomes in women who have been exposed to patisiran-LNP. The study will gather data from participants who were exposed to the treatment starting from 12 weeks before their last menstrual period or at any point during their pregnancy. By analyzing this data, the program seeks to understand the safety and effects of patisiran-LNP during pregnancy.
Why it matters
Potential benefit: If successful, this program could provide valuable insights into the safety of patisiran-LNP during pregnancy, helping to inform treatment decisions for women with hATTR amyloidosis.
How similar studies have gone: While this program is focused on pregnancy outcomes related to patisiran-LNP, similar observational studies have shown success in evaluating treatment safety during pregnancy.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Documentation that the patient was exposed to patisiran-LNP at any point starting from 12 weeks before LMP or at any point during pregnancy * Germany Only: Patients must be treated per the summary of product characteristics (SmPC) for any approved treatment for ATTR amyloidosis Exclusion Criteria: * There are no exclusion criteria for participation in this program.
Where it's running
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Clinical Trial Site
Iowa City, Iowa, United States Recruiting -
Clinical Trial Site
Nantes, France Recruiting -
Clinical Trial Site
Münster, Germany Recruiting -
Clinical Trial Site
Pavia, Italy Recruiting -
Clinical Trial Site
Groningen, Netherlands Recruiting -
Clinical Trial Site
Lisbon, Portugal Recruiting
Show 1 more location
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Clinical Trial Site
Madrid, Spain Recruiting
Study contacts
- Study coordinator: Alnylam Clinical Trial Information Line
- Email: clinicaltrials@alnylam.com
- Phone: 1-877-ALNYLAM
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.