Trial Outcomes & Findings for Early Identification of Myocardial Impairment in PBC (NCT NCT03545672)

NCT ID: NCT03545672

Last Updated: 2024-08-09

Results Overview

All PBC patients are followed up through telephone or by retrieving outpatient medical record systems. Cardiac events include: 1. cardiac death; 2. myocardial infarction; 3. hospitalization for unstable angina.

Recruitment status

COMPLETED

Target enrollment

119 participants

Primary outcome timeframe

7 months after first CMR scanning

Results posted on

2024-08-09

Participant Flow

This was a prospective, three-center, cardiac imaging observational study. The study was open for recruitment between September 2017 and January 2019. The first participant was enrolled on October 23, 2017 and last participant was enrolled on January 8, 2019

Of 119 enrolled participants. 112 participants were included and randomized to observational study group.

Participant milestones

Participant milestones
Measure
PBC Group
Patients have a definite PBC diagnosis. Cardiac Magnetic Resonance (CMR) examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Control Group
The healthy volunteers. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Overall Study
STARTED
60
59
Overall Study
COMPLETED
56
56
Overall Study
NOT COMPLETED
4
3

Reasons for withdrawal

Reasons for withdrawal
Measure
PBC Group
Patients have a definite PBC diagnosis. Cardiac Magnetic Resonance (CMR) examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Control Group
The healthy volunteers. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Overall Study
Uncertain diagnosis
2
1
Overall Study
Protocol Violation
2
2

Baseline Characteristics

Early Identification of Myocardial Impairment in PBC

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
PBC Group
n=56 Participants
Patients have a definite PBC diagnosis. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Control Group
n=56 Participants
The healthy volunteers. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Total
n=112 Participants
Total of all reporting groups
Age, Continuous
52 years
n=5 Participants
48 years
n=7 Participants
52 years
n=5 Participants
Sex: Female, Male
Female
50 Participants
n=5 Participants
46 Participants
n=7 Participants
96 Participants
n=5 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
10 Participants
n=7 Participants
16 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
56 Participants
n=5 Participants
56 Participants
n=7 Participants
112 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
BMI
23 kg/m^2
n=5 Participants
23 kg/m^2
n=7 Participants
23 kg/m^2
n=5 Participants
Heart rate
71 beats/min
n=5 Participants
71 beats/min
n=7 Participants
71 beats/min
n=5 Participants
NYHA classification of heart failure class III-IV
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Other autoimmune diseases
5 Participants
n=5 Participants
0 Participants
n=7 Participants
5 Participants
n=5 Participants
Hemoglobin
124 g/L
n=5 Participants
133 g/L
n=7 Participants
129 g/L
n=5 Participants
Platelet
173 platelets *10^9/L
n=5 Participants
225 platelets *10^9/L
n=7 Participants
200 platelets *10^9/L
n=5 Participants
Serum creatinine
55.1 μmol/L
n=5 Participants
60.5 μmol/L
n=7 Participants
58 μmol/L
n=5 Participants
Native myocardium T1 mapping
1317 msec
n=5 Participants
1284 msec
n=7 Participants
1299 msec
n=5 Participants
T2 mapping
50 msec
n=5 Participants
48 msec
n=7 Participants
48 msec
n=5 Participants
Volume parameters
LVEDV
103 mL
n=5 Participants
107 mL
n=7 Participants
105 mL
n=5 Participants
Volume parameters
LVESV
27 mL
n=5 Participants
31 mL
n=7 Participants
28 mL
n=5 Participants
Left Ventricular Ejection Fraction
75 %
n=5 Participants
69 %
n=7 Participants
72 %
n=5 Participants
Myocardium Strain
GLS
-18.4 %
n=5 Participants
-17.4 %
n=7 Participants
-17.8 %
n=5 Participants
Myocardium Strain
GCS
-22.5 %
n=5 Participants
-20.8 %
n=7 Participants
-21.8 %
n=5 Participants
T2-STIR positive
12 Participants
n=5 Participants
1 Participants
n=7 Participants
13 Participants
n=5 Participants
LGE positive
20 Participants
n=5 Participants
5 Participants
n=7 Participants
25 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 7 months after first CMR scanning

All PBC patients are followed up through telephone or by retrieving outpatient medical record systems. Cardiac events include: 1. cardiac death; 2. myocardial infarction; 3. hospitalization for unstable angina.

Outcome measures

Outcome measures
Measure
PBC Group
n=56 Participants
Patients have a definite PBC diagnosis. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Control Group
n=56 Participants
The healthy volunteers. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
The Incidence of Cardiac Events
Cardiac death
0 Participants
0 Participants
The Incidence of Cardiac Events
Myocardial infarction
0 Participants
0 Participants
The Incidence of Cardiac Events
Hospitalization for unstable angina
0 Participants
0 Participants

PRIMARY outcome

Timeframe: within 2 days of CMR scan

T1 mapping-derived extracellular volumes (ECV) were used to detect changes in the myocardium interstitial matrix. ECV was calculated according to the ECV formula consist of T1 mapping value.

Outcome measures

Outcome measures
Measure
PBC Group
n=56 Participants
Patients have a definite PBC diagnosis. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Control Group
n=56 Participants
The healthy volunteers. CMR examination: After recruiting participants and collecting the baseline information, a CMR scan and a post-processed imaging procedure will be carried on in order to detect the cardiac impairment.
Quantitative Assessment in Cardiac Injury
30 percentage of interstitial matrix
Interval 27.0 to 32.0
26 percentage of interstitial matrix
Interval 25.0 to 27.0

Adverse Events

PBC Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Control Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Meng Jiang

Renji Hospital, Shanghai Jiaotong University School of Medicine

Phone: +86 13788912766

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place