carDIo-ttranSSfOrm nucLEar Imaging Study (DISSOLvE)

January 25, 2025 updated by: Ahmad Masri, Oregon Health and Science University
The investigators will evaluate the change in myocardial uptake of 99m-technetium pyrophosphate (Tc-99m PYP) tracer on serial planar and SPECT imaging in patients enrolled in the CARDIO-TTRansform clinical trial (NCT04136171).

Study Overview

Status

Terminated

Conditions

Intervention / Treatment

Detailed Description

This is a multicenter trial of 80 subjects enrolled in the CARDIO-TTRansform randomized clinical trial (NCT04136171) who will undergo baseline and follow up Tc-99m PYP to assess for the change in myocardial uptake of the tracer.

Study Type

Observational

Enrollment (Actual)

4

Phase

  • Phase 3

Contacts and Locations

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

Study Locations

  • United States
    • Oregon
      • Portland, Oregon, United States, 97239
        • Oregon Health & Science University

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

56 years to 86 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with ATTR-CM

Description

Inclusion Criteria:

  • Patients who were screened and eligible to be enrolled or have been already enrolled in the CARDIO-TTRansform randomized clinical trial (NCT04136171) and have a baseline 99m-technetium pyrophosphate planar and SPECT imaging done within 12 months prior to screening for CARDIO-TTRansform.
  • Patients have to meet the inclusion and exclusion criteria of CARDIO-TTRansform trial to be enrolled.
  • Patient willing to consent for the study and undergo the study procedures.

Exclusion Criteria:

  • None

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?

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Patients with transthyretin amyloid cardiomyopathy enrolled in CARDIO-TTRansform
Patients will undergo serial Tc-99m PYP imaging at baseline, week 61 and end of trial
Diagnostic test: 99m-technetium pyrophosphate scintigraphy
Imaging test
Other Names:
  • Tc-99m PYP

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Primary outcome
Time Frame: 120-140 weeks
Percentage of patients in both treatment groups with an improvement in the semi-quantitative visual grade by at least 1 grade from baseline and an improvement in the heart/contralateral ratio by at least 20% from baseline to end of treatment.
120-140 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Secondary outcome
Time Frame: 120-140 weeks
Change in cardiac amyloid activity on Tc-99m PYP SPECT as quantified by the target to background ratio from baseline to end of treatment
120-140 weeks
Secondary outcome
Time Frame: 61 weeks
Percentage of patients in both treatment groups with an improvement in the semi-quantitative visual grade by at least 1 grade from baseline and an improvement in the heart/contralateral ratio by at least 20% from baseline to week 61
61 weeks

Collaborators and Investigators

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

Sponsor

Oregon Health and Science University

Collaborators

Ionis Pharmaceuticals, Inc.

Investigators

  • Study Chair: Ahmad Masri, MD MS, Oregon Health and Science University

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 Major Dates

Study Start (Actual)

January 19, 2022

Primary Completion (Actual)

December 30, 2023

Study Completion (Actual)

December 30, 2023

Study Registration Dates

First Submitted

February 17, 2022

First Submitted That Met QC Criteria

February 17, 2022

First Posted (Actual)

February 28, 2022

Study Record Updates

Last Update Posted (Actual)

March 25, 2025

Last Update Submitted That Met QC Criteria

January 25, 2025

Last Verified

January 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 00023310

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

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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