Trial Outcomes & Findings for Nicotinamide Riboside in LVAD Recipients (NCT NCT03727646)

NCT ID: NCT03727646

Last Updated: 2024-09-20

Results Overview

Participants experiencing adverse events during the time they are on the study drug. Regarding time frame: Day 1 is the first day that the study subjects start taking the study drug (NR). The participants stop taking the study drug on the day before his/her LVAD surgery (between Days 6 and 14).

Recruitment status

COMPLETED

Study phase

EARLY_PHASE1

Target enrollment

5 participants

Primary outcome timeframe

from Day 1 receiving NR to the day before LVAD surgery (between Day 6-Day 14)

Results posted on

2024-09-20

Participant Flow

Participant milestones

Participant milestones
Measure
Open-label Nicotinamide Riboside
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Overall Study
STARTED
5
0
Overall Study
COMPLETED
4
0
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Open-label Nicotinamide Riboside
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Overall Study
Adverse Event
1
0

Baseline Characteristics

Nicotinamide Riboside in LVAD Recipients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Open-label Nicotinamide Riboside
n=5 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Total
n=5 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
5 Participants
n=5 Participants
5 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Age, Continuous
35.4 years
n=5 Participants
35.4 years
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
5 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
1 Participants
n=5 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=5 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
White
3 Participants
n=5 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
5 participants
n=5 Participants
5 participants
n=5 Participants
LV Ejection Fraction
20.6 %
n=5 Participants
20.6 %
n=5 Participants

PRIMARY outcome

Timeframe: from Day 1 receiving NR to the day before LVAD surgery (between Day 6-Day 14)

Population: We did not enroll any baseline control subjects.

Participants experiencing adverse events during the time they are on the study drug. Regarding time frame: Day 1 is the first day that the study subjects start taking the study drug (NR). The participants stop taking the study drug on the day before his/her LVAD surgery (between Days 6 and 14).

Outcome measures

Outcome measures
Measure
Open-label Nicotinamide Riboside
n=4 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Number of Participates Experiencing Treatment-Emergent Adverse Events (Safety and Tolerability)
2 Participants

PRIMARY outcome

Timeframe: from Day 1 receiving NR to the day before LVAD surgery (between Day 6-Day 14)

Population: We did not have the funds to enroll baseline control subjects.

Comparison of maximal mitochondrial respiration in PBMCs on the Day of LVAD Surgery Pre- vs Post-NR Administration

Outcome measures

Outcome measures
Measure
Open-label Nicotinamide Riboside
n=4 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Pre/Post NR Comparison of Maximal Mitochondrial Respiration in PBMCs
Pre-NR
140.8 pmole/min/million cells (O2 consump rate
Standard Deviation 31.6
Pre/Post NR Comparison of Maximal Mitochondrial Respiration in PBMCs
Post-NR
317.8 pmole/min/million cells (O2 consump rate
Standard Deviation 107.6

SECONDARY outcome

Timeframe: from Day 1 receiving NR to the day before LVAD surgery (between Day 6-Day 14)

Change in whole blood NAD+ levels from Baseline to Day of Surgery in NR-treated participants

Outcome measures

Outcome measures
Measure
Open-label Nicotinamide Riboside
n=4 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
n=4 Participants
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Effect of NR on Whole Blood NAD+ Levels
40.625 ug/mL
Standard Deviation 11.19266873
18.025 ug/mL
Standard Deviation 2.662548904

SECONDARY outcome

Timeframe: Data collected 6-14 days after study intervention (oral NR) has been initiated.

Population: The control subjects were unfortunately not enrolled so we were unable to make the intergroup comparison.

Comparison of mitochondrial respiration (Seahorse assay) in isolated peripheral blood mononuclear cells (PBMCs) on the Day of LVAD Surgery in NR-treated vs. historical control patients

Outcome measures

Outcome measures
Measure
Open-label Nicotinamide Riboside
n=4 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Between-group Comparison of Mitochondrial Respiration (Seahorse Assay) in Isolated Peripheral Blood Mononuclear Cells (PBMCs)
317.7895265 pmole/min/million cells (O2 consump rate
Standard Deviation 107.6126397

SECONDARY outcome

Timeframe: Data collected 6-14 days after study intervention (oral NR) has been initiated.

Population: We unfortunately did not enroll any control subjects, hence were unable to make the intergroup comparison.

Comparison of whole blood NAD+ levels on the Day of LVAD Surgery in NR-treated vs. historical control patients

Outcome measures

Outcome measures
Measure
Open-label Nicotinamide Riboside
n=4 Participants
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Between-group Comparison of Whole Blood NAD+ Levels
40.625 ug/mL
Standard Deviation 11.19266873

Adverse Events

Open-label Nicotinamide Riboside

Serious events: 2 serious events
Other events: 0 other events
Deaths: 1 deaths

Baseline Controls

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

Serious adverse events

Serious adverse events
Measure
Open-label Nicotinamide Riboside
n=5 participants at risk
Participants scheduled to receive an LVAD will be prescribed nicotinamide riboside (NR) according to the following administration schedule: Dose Escalation Day 1: 250 mg (1 capsule) twice daily (total daily intake = 500 mg) Day 2: 500 mg (2 capsules) twice daily (total daily intake = 1000 mg) Day 3: 1000 mg (4 capsules) twice daily (total daily intake = 2000 mg) Dose Maintenance Day 4: 1000 mg (4 capsules) twice daily Day 5-14 as applicable thru Day Before Surgery: 1000 mg (4 capsules) twice daily Washout Day of LVAD Surgery and/or Day 15: None Nicotinamide riboside: nicotinamide riboside supplied as 250mg capsules
Baseline Controls
Patients previously receiving LVADs, in whom blood and myocardial tissue assays for NAD+ levels and mitochondrial function were performed.
Cardiac disorders
Cardiac Arrest
20.0%
1/5 • Number of events 1 • from Day 1 receiving NR to 30 days post-LVAD implantation.
The study patients were on NR for a short period of time and it is extremely difficult to tease out their symptoms of terminal HF versus those from NR administration.
0/0 • from Day 1 receiving NR to 30 days post-LVAD implantation.
The study patients were on NR for a short period of time and it is extremely difficult to tease out their symptoms of terminal HF versus those from NR administration.
Nervous system disorders
Death
20.0%
1/5 • Number of events 1 • from Day 1 receiving NR to 30 days post-LVAD implantation.
The study patients were on NR for a short period of time and it is extremely difficult to tease out their symptoms of terminal HF versus those from NR administration.
0/0 • from Day 1 receiving NR to 30 days post-LVAD implantation.
The study patients were on NR for a short period of time and it is extremely difficult to tease out their symptoms of terminal HF versus those from NR administration.

Other adverse events

Adverse event data not reported

Additional Information

Dr. Kevin Douglas O'Brien

University of Washington

Phone: 2065984300

Results disclosure agreements

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

Restriction type: GT60