Clinical trial Recruiting at 7 sites Observational Women only

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.

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Quick facts

Study typeObservational
SexWomen only
Enrollment10 (estimated)
SponsorAlnylam Pharmaceuticals
Industry-sponsored
Locations7 sites (Iowa City, Iowa and 6 other locations)
StatusRecruiting
StartedAugust 1, 2020
Main results expectedOctober 12, 2030
Study endsOctober 12, 2030
Registry record updatedOctober 8, 2026
Trial IDNCT05040373 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

  • 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
  • Clinical Trial Site
    Madrid, Spain
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.