Clinical Trial Details
— Status: Recruiting
Administrative data
NCT number |
NCT03902223 |
Other study ID # |
CSN504-002 |
Secondary ID |
|
Status |
Recruiting |
Phase |
N/A
|
First received |
|
Last updated |
|
Start date |
April 5, 2019 |
Est. completion date |
April 2029 |
Study information
Verified date |
April 2024 |
Source |
Foundation for Sarcoidosis Research |
Contact |
Tricha Shivas, MBe |
Phone |
3122410400 |
Email |
tricha[@]stopsarcoidosis.org |
Is FDA regulated |
No |
Health authority |
|
Study type |
Interventional
|
Clinical Trial Summary
This protocol is an unblended randomized screening trial will have consecutive patients with
no suggestion of cardiac sarcoidosis according to usual screening enroll in an enhanced
screening protocol. The routine clinical care is to gather patient's history of symptoms and
under go an ECG. If a patient has an abnormal results in standard screening, they typically
have further evaluations as part of their routine medical care. These tests might include an
echocardiogram, ambulatory ECG, and advanced cardiac imaging (MRI, PET scan as per local
practice). A patient that has normal results on standard screening will be randomly assigned
to enhanced screening at each center. Half the patients will be randomized to usual follow-up
(annual symptom assessment and ECG) and the other half will be assigned to the enhanced
screening (echocardiogram and ambulatory ECG at enrollment and at 24 months).
The investigators hypothesize that screening using conventional history, physical and ECG in
the general sarcoidosis population, followed by appropriate advanced imaging testing, will
result in the identification of a higher percentage of ascertained cardiac sarcoidosis than
has been reported historically (2-5%). The investigators hypothesize that routine use of
echocardiogram with strain and ambulatory ECG will identify additional patients who will have
advanced imaging abnormalities or who meet criteria for cardiac sarcoidosis. The
investigators further hypothesize that re-screening patients after 24 months with repeat
echocardiogram and ambulatory ECG will identify additional patients with suspicion for
cardiac sarcoidosis who had no abnormalities on the standard screening tests.
Description:
Cardiac involvement is among the most feared complications of sarcoidosis, and it is the
second leading cause of death from sarcoidosis. Autopsy studies and serial imaging studies in
patients without cardiac symptoms suggest that approximately 25% of U.S. sarcoidosis patients
have evidence of cardiac involvement. 3 Major manifestations of cardiac sarcoidosis include
conduction delays, dysrhythmias, and cardiomyopathy. Given the increased recognition of
cardiac involvement, prompt screening and diagnosis of cardiac sarcoidosis has been
emphasized as a key priority for sarcoidosis research. Screening for cardiac sarcoidosis
conventionally has relied on symptoms and electrocardiogram. However, there are no validated
screening instruments for symptom assessment, and the usefulness of individual components of
the medical history (e.g. palpitations, chest pain, presyncope) has not been assessed. In one
study, symptom assessment was found to be less than 50% sensitive for identification of
individuals with abnormal cardiac imaging studies. ECG performed poorly, with less than 10%
sensitivity. Holter monitoring and echocardiogram were more sensitive than ECG in that study,
identifying 50% and 25%, respectively, of those with imaging findings suggesting cardiac
sarcoidosis (CS). The intensity of screening for CS in unselected sarcoidosis patients is
controversial. The Heart Rhythm Society working group could not agree that echocardiogram or
ambulatory ECG added significantly to conventional testing of eliciting cardiac symptoms and
ECG; therefore, the working group was unable to recommend adding these procedures as a
routine for all sarcoidosis patients. In a large series of Greek non-cardiac sarcoidosis
patients, echocardiogram and ambulatory ECG added little prognostic information to usual
care. On the other hand, more sophisticated echocardiographic techniques such as speckle
tracking seem to provide independent prognostic information. In a second study, Holter
monitoring and echocardiography abnormalities were both more common in those with MRI
findings consistent with CS, although the usefulness of the tests disappeared in
multivariable analysis. While history and ECG are considered the standard of care at present,
there is a continuing need to identify markers of poor outcomes. Cardiac MRI and/or cardiac
FDG-PET scan can identify large proportions of individuals with asymptomatic imaging
abnormalities, but these scans are expensive, require specialized expertise to interpret,
require radiation (PET scan) and are likely impractical for widespread use in all sarcoidosis
patients. A second unresolved issue concerning screening for cardiac sarcoidosis is the
frequency of re-screening sarcoidosis patients who demonstrate no evidence for cardiac
sarcoidosis on an initial screen. The investigators hypothesize that screening using
conventional history, physical and ECG in the general sarcoidosis population, followed by
appropriate advanced imaging testing, will result in the identification of a higher
percentage of ascertained cardiac sarcoidosis than has been reported historically (2-5%). The
investigators hypothesize that routine use of echocardiogram with strain and ambulatory ECG
will identify additional patients who will have advanced imaging abnormalities or who meet
criteria for cardiac sarcoidosis. The investigators further hypothesize that re-screening
patients after 24 months with repeat echocardiogram and ambulatory ECG will identify
additional patients with suspicion for cardiac sarcoidosis who had no abnormalities on the
initial screening tests.
Aims
1. To evaluate the rate of diagnosis of cardiac sarcoidosis during standard of care
clinical practice that relies on patient symptoms and ECG.
2. To evaluate whether second-tier screening tests (echocardiogram and ambulatory ECG)
improve the rate of diagnosis of cardiac sarcoidosis beyond conventional screening
methods.
3. To evaluate the rate of diagnosis of cardiac sarcoidosis in sarcoidosis patients who had
initial negative conventional and second-tier screening tests after undergoing these
screening tests again at two years.