Trial Outcomes & Findings for The Impact of Zinc Supplementation on Left Ventricular Function in Nonischemic Cardiomyopathy (NCT NCT00696410)

NCT ID: NCT00696410

Last Updated: 2017-11-06

Results Overview

The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times daily for 10 months. The change from baseline in markers of cardiac collagen turnover (PINP) in patients with systolic heart failure after 10 months of zinc acetate was measured and compared with a single measure from healthy controls.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

48 participants

Primary outcome timeframe

Baseline (time 0) and after 10 months of Zinc Acetate.

Results posted on

2017-11-06

Participant Flow

Patient were mainly recruited from the University of Michigan outpatient Cardiovascular clinic. 10 healthy controls (to quantify "normal" values and QA laboratory results for novel measures) were recruited from the community via advertisement.

The study was intended to run for 6 months. After further discussion with experts in zinc therapy, we opted to extend the study to 10 months.

Participant milestones

Participant milestones
Measure
Zinc Acetate
The intervention group consisted of patients with heart failure. Patients were given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Control
The control group consistent of 10 persons without any known health conditions who provided laboratory samples at a single encounter to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls.
Overall Study
STARTED
38
10
Overall Study
COMPLETED
25
10
Overall Study
NOT COMPLETED
13
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Zinc Acetate
The intervention group consisted of patients with heart failure. Patients were given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Control
The control group consistent of 10 persons without any known health conditions who provided laboratory samples at a single encounter to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls.
Overall Study
Lost to Follow-up
2
0
Overall Study
Withdrawal by Subject
8
0
Overall Study
Physician Decision
3
0

Baseline Characteristics

The Impact of Zinc Supplementation on Left Ventricular Function in Nonischemic Cardiomyopathy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Zinc Acetate
n=38 Participants
The intervention group consisted of patients with heart failure. Patients were given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Controls
n=10 Participants
The control group consistent of 10 persons without any known health conditions who provided laboratory samples at a single encounter to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls.
Total
n=48 Participants
Total of all reporting groups
Age, Continuous
56 years
STANDARD_DEVIATION 11 • n=5 Participants
52 years
STANDARD_DEVIATION 8 • n=7 Participants
55 years
STANDARD_DEVIATION 11 • n=5 Participants
Age, Customized
<=18 years
0 participants
n=5 Participants
0 participants
n=7 Participants
0 participants
n=5 Participants
Age, Customized
Between 18 and 64 years
29 participants
n=5 Participants
10 participants
n=7 Participants
39 participants
n=5 Participants
Age, Customized
>=65 years
9 participants
n=5 Participants
0 participants
n=7 Participants
9 participants
n=5 Participants
Sex/Gender, Customized
Female
10 participants
n=5 Participants
6 participants
n=7 Participants
16 participants
n=5 Participants
Sex/Gender, Customized
Male
18 participants
n=5 Participants
4 participants
n=7 Participants
22 participants
n=5 Participants
Region of Enrollment
United States
38 participants
n=5 Participants
10 participants
n=7 Participants
48 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline (time 0) and after 10 months of Zinc Acetate.

Population: Power was determined using prior studies examining the change in PINP and (separately) PIIINP in heart failure following administration of aldactone. Results below are PINP. For Controls, a single measure was obtained without further followup.

The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times daily for 10 months. The change from baseline in markers of cardiac collagen turnover (PINP) in patients with systolic heart failure after 10 months of zinc acetate was measured and compared with a single measure from healthy controls.

Outcome measures

Outcome measures
Measure
CHF Patients With Zinc Acetate
n=25 Participants
The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Healthy Controls
n=10 Participants
The control group consistent of 10 persons without any health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls. A single measure was obtained without further followup.
Change From Baseline in Markers of Cardiac Collagen Turnover (PINP) in Patients With Systolic Heart Failure and Compared With Healthy Controls.
PINP baseline (time 0)
48.1 ng/ml
Interval 41.6 to 68.0
48.1 ng/ml
Interval 41.6 to 59.4
Change From Baseline in Markers of Cardiac Collagen Turnover (PINP) in Patients With Systolic Heart Failure and Compared With Healthy Controls.
PINP after 10 mo therapy
39 ng/ml
Interval 31.0 to 53.0

SECONDARY outcome

Timeframe: Baseline (time 0) and 10 months

Population: power calculation using prior studies of the above laboratories. For Controls, a single measure was obtained without further followup.

Change from baseline in serum isoprostane 10 months after Zn Acetate in patients with systolic heart failure and compared with a single measure in healthy subjects

Outcome measures

Outcome measures
Measure
CHF Patients With Zinc Acetate
n=25 Participants
The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Healthy Controls
n=10 Participants
The control group consistent of 10 persons without any health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls. A single measure was obtained without further followup.
Change From Baseline in Serum Isoprostane in Patients With Systolic Heart Failure
Isoprostane baseline
4.4 pg/ml
Interval 3.4 to 5.3
3.8 pg/ml
Interval 3.1 to 5.2
Change From Baseline in Serum Isoprostane in Patients With Systolic Heart Failure
Isoprostane 10 mo
4.4 pg/ml
Interval 3.3 to 5.3

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline (time 0) and 10 months

Population: Specimens from healthy controls were only analyzed at one time frame.

Change in PIIINP from baseline after 10 months of Zinc Acetate in patients with systolic heart failure and compared with a single measure in healthy controls

Outcome measures

Outcome measures
Measure
CHF Patients With Zinc Acetate
n=24 Participants
The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Healthy Controls
n=10 Participants
The control group consistent of 10 persons without any health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls. A single measure was obtained without further followup.
Change in PIIINP From Baseline After 10 Months of Zinc Acetate in Systolic Heart Failure and Compared With a Single Measure in Healthy Controls
PIIINP baseline
5.3 ng/ml
Interval 4.1 to 6.1
4.1 ng/ml
Interval 3.1 to 4.5
Change in PIIINP From Baseline After 10 Months of Zinc Acetate in Systolic Heart Failure and Compared With a Single Measure in Healthy Controls
PIIINP 10 months
5.3 ng/ml
Interval 2.6 to 9.0

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline (time 0) and 10 months

Population: Specimens from healthy controls were only analyzed at one time frame.

Change from baseline in serum superoxide dismutase after 10 months of zinc acetate in patients with systolic heart failure and compared with a single measure in healthy controls

Outcome measures

Outcome measures
Measure
CHF Patients With Zinc Acetate
n=25 Participants
The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Healthy Controls
n=10 Participants
The control group consistent of 10 persons without any health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls. A single measure was obtained without further followup.
Change From Baseline in Serum Superoxide Dismutase
SOD at Baseline
160 units per microL
Interval 88.0 to 261.0
117 units per microL
Interval 40.0 to 262.0
Change From Baseline in Serum Superoxide Dismutase
SOD at 10 months
151 units per microL
Interval 31.0 to 785.0

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline (time 0) and 10 months

Population: Healthy controls only analyzed at one time point

Change from baseline in serum myeloperoxidase (MPO) after 10 months of zinc acetate treatment in patients with systolic heart failure and compared with a single measure from healthy controls

Outcome measures

Outcome measures
Measure
CHF Patients With Zinc Acetate
n=24 Participants
The intervention group (patients with systolic heart failure) was given Zinc Acetate 50 mg po three times a day for 10 months. The intended intervention group was n=40, of which n=38 were enrolled. Of these 38, n=25 completed 10 mo of follow-up.
Healthy Controls
n=10 Participants
The control group consistent of 10 persons without any health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls. A single measure was obtained without further followup.
Change From Baseline in Serum Measures of of Myeloperoxidase (MPO) After 10 Months of Zinc Acetate Treatment
MPO baseline (time 0)
455 units per L
Interval 286.0 to 1212.0
295 units per L
Interval 145.0 to 1061.0
Change From Baseline in Serum Measures of of Myeloperoxidase (MPO) After 10 Months of Zinc Acetate Treatment
MPO at 10 months
816 units per L
Interval 169.0 to 6294.0

Adverse Events

HF Group

Serious events: 3 serious events
Other events: 6 other events
Deaths: 0 deaths

Healthy Controls

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

Serious adverse events

Serious adverse events
Measure
HF Group
n=38 participants at risk
The zinc intervention group consisted of patients with heart failure who were provided zinc acetate for 10 months
Healthy Controls
n=10 participants at risk
The control group consisted of 10 persons without any known health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls
Cardiac disorders
Intracoronary stent
2.6%
1/38 • Number of events 3 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
Injury, poisoning and procedural complications
Nonelective Hospitalization- accident
2.6%
1/38 • Number of events 3 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
Cardiac disorders
Nonelective Hospitalization- CHF exacerbation
2.6%
1/38 • Number of events 3 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).

Other adverse events

Other adverse events
Measure
HF Group
n=38 participants at risk
The zinc intervention group consisted of patients with heart failure who were provided zinc acetate for 10 months
Healthy Controls
n=10 participants at risk
The control group consisted of 10 persons without any known health conditions who provided laboratory samples to quantify "normal" values for the novel labs measured. No intervention was provided to the healthy controls
Nervous system disorders
dizziness
2.6%
1/38 • Number of events 2 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
General disorders
Odd taste in mouth
2.6%
1/38 • Number of events 2 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
Gastrointestinal disorders
Nausea
15.8%
6/38 • Number of events 6 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).
0.00%
0/10 • Adverse event occurrences were captured at each follow-up visit and when notified by patients or patient's practitioner (if occurring outside of a standard follow-up visit).

Additional Information

Jennifer Cowger, MD, Assistant Professor

University of Michigan

Phone: 734 936-5265

Results disclosure agreements

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