Prevalence of Amyloidosis in Heart Failure (PREVAMIC) (PREVAMIC)

March 4, 2020 updated by: Fundación Pública Andaluza para la gestión de la Investigación en Sevilla

Study of Prevalence of Amyloidosis in Heart Failure (PREVAMIC).

TITLE: Study of Prevalence of Amyloidosis in Heart Failure: PREVAMIC.

DESIGN: Multicenter, observational, cross-sectional, prospective, cohort study with a one-year follow-up. 44 hospitals from Spain will participate.

OBJECTIVES. PRIMARY: To estimate the current prevalence of different types of cardiac amyloidosis (CA) in patients with heart failure, aged 65 years and older, with LVH > 12 mm and any LVEF value, managed in Internal Medicine departments. SECONDARY: To describe the clinical, laboratory and echocardiographic features of patients with CA. To compare one-year readmissions and mortality rates in patients with and without CA.

INCLUSION CRITERIA: Inpatients or outpatients with heart failure, aged ≥ 65 years, both genders, under the care of internists. They should have a NYHA Class II-IV, echocardiogram performed in the previous 24 months, any value of LVEF, LVH: septum or posterior wall > 12 mm, diuretic treatment in the last 6 months and NTproBNP> 1800 pg/ml or BNP> 400 pg/ml in acute hear failure, or NT-proBNP >600 pg/ml o BNP >150 pg/ml in stable condition.

POPULATION: Heart failure outpatients or inpatients of Internal Medicine Services. It is expected to include around 450 patients.

ANALYSIS: To calculate the prevalence of TTR-CA and other types of CA. To compare the clinical, analytical, echocardiographic, and readmissions and mortality rates during one-year in patients with and without CA.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

STUDY DESIGN AND PATIENT SELECTION

DESIGN

Multicenter, observational, cross-sectional, prospective, cohort study with a one-year follow-up. Approximately 450 patients will be gathered (according to the calculation of the sample size, 382 patients would be necessary), of both sexes (with stratification Male:Female 1:1), age ≥ 65 years, under the care of Internal Medicine Services, who meet the criteria of the 2016 Heart Failure Guide of the European Society of Cardiology for the diagnosis of Heart Failure, and that have LVH (Septum or Posterior Wall > 12 mm).

Patients will be duly informed of the study and their written informed consent will be requested prior to their enrollment in the study.

Once included in the study a series of clinical, analytical and echocardiographic parameters will be collected and measured.

  • It will be performed:

    • Bone-cardiac scintigraphy with Tc-DPD (or similar: Tc-PYP or Tc-HMDP)

    • Analysis to rule out monoclonal protein:

      • Proteinogram and serum immunoglobulins.
      • Free light chains in serum -Freelite-
      • Immunofixation in serum and urine.
  • The number of readmissions, emergency visits and mortality in the following 12 months will be recorded to compare the readmission and mortality rates during one year of patients with and without CA
  • The prescribed pre- and post-diagnostic treatments will be described, according to clinical practice (without intervention).
  • No intervention, whether diagnostic or follow-up, that is not the usual clinical practice will be applied to patients.

POPULATION Inpatients or outpatients of Internal Medicine Services with diagnosis of Heart Failure from the participating centers, selected by the inclusion and exclusion criteria defined for our study, in appropriate number, according to the calculation of the sample size, to assess the main objective.

SELECTION OF HOSPITALS AND PATIENTS All eligible patients will be candidates to enter the study (that is, all those who meet the inclusion criteria and do not meet any exclusion criteria).

The study will involve all Spanish hospitals that voluntarily desire to participate and that have the necessary diagnostic methods to carry out the study. To participate in the study, no minimum hospital size (number of beds) has been set.

DATA COLLECTION AND WORK STRATEGY IN EACH HOSPITAL. The number of cases to be collected by each hospital will be calculated proportionally based on the total number of beds in each center. The number of patients that each center should include refers to the total number of patients.

Data collection will begin the same week of the year for all hospitals. All cases that meet inclusion criteria and none of exclusion and sign the consent will be collected consecutively, with gender stratification (50% men and 50% women of the number of patients assigned to the center) until at least the number of patients assigned to the center is completed . Optionally, patients may continue to be included, in that week or in subsequent weeks,as long as it is done consecutively and stratified by sex (without selecting the cases).

ETHICAL ASPECTS The patients included in this study will be treated according to standard medical care, since being a prevalence study that does not change the usual clinical practice. The study will be carried out in accordance with the Declaration of Helsinki and the Spanish Organic Law on the Protection of Personal Data and Guarantee of Digital Rights.

The study has been approved by the Clinical Research Ethics Committee (CEI) of the Virgen Macarena-Virgen del Rocío University Hospitals. In those cases that are necessary, the approval of the other local CEIs will also be requested.

The researchers of each participating center will explain to each patient all the aspects of the study and the patients will be given an information sheet giving details of it, making it clear that participation is voluntary and that they can leave the study at any time if they wish. If the patient wants to participate, both the investigator and the patient himself, or his legal representative in case of disability, must sign the informed consent. The patient will be given a copy of the consent.

DATABASE An online Database will be developed to record the data of the study patients.

STATISTIC ANALYSIS Continuous variables will be expressed with the value of the mean and standard deviation or as median and interquartile range, depending on the normality of their distribution. Categorical variables will be expressed in percentages or rates. A descriptive analysis of the data will be made, calculating the prevalence rates, and a comparative analysis in relation to different variables, such as gender, age and other factors that are of interest for the objective of the study.

The comparison will be made using the Chi-square test in the categorical variables and the Student's T test for normal quantitative variables. For non-normal quantitative variables, the non-parametric U-Mann Whitney test will be used. Regarding the follow-up data, the association of different variables with the re-entry and mortality data will be assessed using univariate and multivariate analysis. Survival curve analysis will also be performed using the Kaplan-Meier method using log-rank test. A p <0.05 will be considered statistical significance.

Study Type

Observational

Enrollment (Anticipated)

450

Contacts and Locations

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

Study Contact

Study Contact Backup

Study Locations

  • Spain
      • Sevilla, Spain, 41071
        • Recruiting
        • Hospital Universitario Virgen Macarena

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

65 years and older (Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

- Heart failure outpatients or inpatients of Internal Medicine Services of 44 hospitals from Spain. Age ≥ 65 years. Both genders.

Description

Inclusion Criteria:

  • Age ≥ 65 years.
  • Both genders
  • Heart failure outpatients or inpatients of Internal Medicine Services.
  • Heart Failure (Criteria of HF European Guide 2016)
  • Symptoms of HF
  • NYHA class II to IV
  • Echocardiogram performed in the previous 24 months
  • FEVI: any value
  • HVI: Septum or Posterior Wall > 12 mm
  • Diuretic treatment in the last 6 months
  • NTproBNP > 1800 or BNP > 400 during any hospital admission, or NTproBNP > 600 or BNP > 150 in a stable situation.

Exclusion Criteria:

  • Patients with cancer disease (solid tumor)
  • Patients who are included in other studies or clinical trial
  • Refusal of patients to participate

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?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Single-group studies

Patients will be informed about the study and their written informed consent will be requested.

Once included in the study:

  • A series of clinical, analytical and echocardiographic parameters will be collected and measured

  • Will be performed:

    • Bone-cardiac scintigraphy with Tc-DPD (or similar: Tc-PYP or Tc-HMDP)

    • Analytical to rule out monoclonal protein:

      • Proteinogram and serum immunoglobulins.
      • Light chains free in serum -Freelite-
      • Immunofixation in serum and urine.
  • The number of readmissions, emergency visits and mortality in the following 12 months will be recorded to compare the readmission and mortality rates in one year of patients with and without CA.
  • The prescribed pre- and post-diagnostic treatments will be described, according to clinical practice (without intervention).
  • No intervention, whether diagnostic or follow-up, that is not the usual clinical practice will be applied to patients.
Diagnostic test: Bone-cardiac scintigraphy with Tc-DPD (or similar: Tc-PYP or Tc-HMDP).
Bone-cardiac scintigraphy with Tc-DPD (or similar: Tc-PYP or Tc-HMDP) to evaluate the degree of cardiac uptake from 0 to 3 degrees.
Diagnostic test: Proteinogram and serum immunoglobulins. Light chains free in serum -Freelite-. Immunofixation in serum and urine
Analysis to rule out the presence of monoclonal protein in blood and urine.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Prevalence
Time Frame: Through study completion, an average of one year.
To estimate the current prevalence of different types of Cardiac Amyloidosis in patients with Heart Failure, age ≥ 65 years, with left ventricular hypertrophy (LVH)> 12 mm, and any LVEF value, under the care of internists in different Spanish Hospitals.
Through study completion, an average of one year.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Patients characteristics
Time Frame: One year
To describe the clinical, laboratory and echocardiographic features of patients with CA.
One year
Prognosis
Time Frame: One year
To compare one-year readmissions and mortality rates in patients with and without AC.
One year

Collaborators and Investigators

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

Sponsor

Fundación Pública Andaluza para la gestión de la Investigación en Sevilla

Investigators

  • Principal Investigator: Prado Salamanca Bautista, Hospital Universitario Virgen Macarena

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)

February 3, 2020

Primary Completion (Anticipated)

July 1, 2021

Study Completion (Anticipated)

September 1, 2021

Study Registration Dates

First Submitted

August 20, 2019

First Submitted That Met QC Criteria

August 22, 2019

First Posted (Actual)

August 26, 2019

Study Record Updates

Last Update Posted (Actual)

March 5, 2020

Last Update Submitted That Met QC Criteria

March 4, 2020

Last Verified

August 1, 2019

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • FIS-AMI-2019-01

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

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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