Second dose of experimental drug may help heart amyloidosis patients
NCT ID NCT07213583
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a second round of treatment with ALXN2220 is safe and can improve heart function in people with transthyretin amyloid cardiomyopathy, a condition where abnormal proteins build up in the heart. About 35 adults who previously received the drug will get it again and be monitored for 48 weeks. The goal is to see if the drug reduces protein buildup and helps the heart work better.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 35 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Oct 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Must have received at least one dose of ALXN2220 in Study NI006-101 Exclusion Criteria: * Suspected or known intolerance/allergy to proteins or any components of the study drug * Treatment or study discontinuation in Study NI006-101 due to a treatment-related adverse event that was serious, severe or life-threatening (on Common terminology criteria for adverse events (CTCAE) scale) * Any new or uncontrolled condition after completion of Study NI006-101 that could make the participant unsuitable for participation in this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHU Toulouse - Hôpital Rangueil
Toulouse, 31059, France
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CHU de Rennes - Hôpital Pontchaillou
Rennes, 35033, France
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Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, 28222, Spain
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Hôpital Henri Mondor
Créteil, 94000, France
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University Medical Center Groningen
Groningen, 9713, Netherlands
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Universitätsklinikum Heidelberg
Heidelberg, 69120, Germany