Donidalorsen Expanded Access Program for Patients With Hereditary Angioedema

July 9, 2025 updated by: Ionis Pharmaceuticals, Inc.

Donidalorsen Expanded Access Program for Patients With Hereditary Angioedema (HAE)

The purpose of the Expanded Access Program is to provide pre-approval access of donidalorsen to eligible patients with Hereditary Angioedema (HAE) who complete the ISIS 721744-CS3 clinical trial.

Study Overview

Status

Available

Conditions

Intervention / Treatment

Detailed Description

The Expanded Access Program (EAP) is intended to provide pre-approval access to donidalorsen for eligible patients with HAE who complete the ISIS 721744-CS3 clinical trial.

Study Type

Expanded Access

Expanded Access Type

  • Intermediate-size Population

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

N/A

Description

Inclusion Criteria:

  • Patients in the ISIS 721744-CS3 (Open-Label Extension [OLE] Study) who have completed 205 weeks of treatment.
  • Female patients of childbearing potential, and male patients with partners of childbearing potential must be willing to use acceptable contraception, or refrain from sexual activity.

Exclusion Criteria:

  • Any patient who is pregnant or plans to become pregnant.
  • Any patient who was withdrawn from the ISIS 721744-CS3 OLE study due to a serious adverse event (SAE) related to donidalorsen therapy or who voluntarily withdrew prior to 205 weeks of treatment.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Ionis Pharmaceuticals, Inc.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates

First Submitted

May 10, 2024

First Submitted That Met QC Criteria

May 10, 2024

First Posted (Actual)

May 16, 2024

Study Record Updates

Last Update Posted (Actual)

July 11, 2025

Last Update Submitted That Met QC Criteria

July 9, 2025

Last Verified

July 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • ISIS 721744-E01

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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