Trial Outcomes & Findings for Folic Acid for Vascular Outcome Reduction In Transplantation (FAVORIT) (NCT NCT00064753)

NCT ID: NCT00064753

Last Updated: 2017-10-18

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

4110 participants

Primary outcome timeframe

Up to 6 years (mean 4 years)

Results posted on

2017-10-18

Participant Flow

Trial enrolled 4110 participants from August 2002 through January 2007 at 20 clinical sites in the US, Canada, and Brazil.

Participant milestones

Participant milestones
Measure
High Dose Multivitamin
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
Multivitamin devoid of folic acid and with estimated average requirement (EAR) amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Overall Study
STARTED
2056
2054
Overall Study
COMPLETED
1382
1406
Overall Study
NOT COMPLETED
674
648

Reasons for withdrawal

Reasons for withdrawal
Measure
High Dose Multivitamin
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
Multivitamin devoid of folic acid and with estimated average requirement (EAR) amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Overall Study
Death
251
242
Overall Study
Withdrawal by Subject
198
171
Overall Study
Lost to Follow-up
225
235

Baseline Characteristics

Folic Acid for Vascular Outcome Reduction In Transplantation (FAVORIT)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Total
n=4110 Participants
Total of all reporting groups
Age, Continuous
52 years
STANDARD_DEVIATION 9.4 • n=5 Participants
52 years
STANDARD_DEVIATION 9.5 • n=7 Participants
52 years
STANDARD_DEVIATION 9.4 • n=5 Participants
Sex: Female, Male
Female
767 Participants
n=5 Participants
761 Participants
n=7 Participants
1528 Participants
n=5 Participants
Sex: Female, Male
Male
1289 Participants
n=5 Participants
1293 Participants
n=7 Participants
2582 Participants
n=5 Participants
Region of Enrollment
Canada
249 participants
n=5 Participants
249 participants
n=7 Participants
498 participants
n=5 Participants
Region of Enrollment
United States
1500 participants
n=5 Participants
1500 participants
n=7 Participants
3000 participants
n=5 Participants
Region of Enrollment
Brazil
307 participants
n=5 Participants
305 participants
n=7 Participants
612 participants
n=5 Participants
Graft vintage
6 years
STANDARD_DEVIATION 5.1 • n=5 Participants
5 years
STANDARD_DEVIATION 5.0 • n=7 Participants
5 years
STANDARD_DEVIATION 5.0 • n=5 Participants
History of CVD
History of CVD
406 participants
n=5 Participants
414 participants
n=7 Participants
820 participants
n=5 Participants
History of CVD
No History of CVD
1650 participants
n=5 Participants
1640 participants
n=7 Participants
3290 participants
n=5 Participants
History of diabetes mellitus
History of diabetes mellitus
813 participants
n=5 Participants
850 participants
n=7 Participants
1663 participants
n=5 Participants
History of diabetes mellitus
No history of diabetes mellitus
1243 participants
n=5 Participants
1204 participants
n=7 Participants
2447 participants
n=5 Participants
Prevalent hypertension
Prevalent hypertension
1879 participants
n=5 Participants
1899 participants
n=7 Participants
3778 participants
n=5 Participants
Prevalent hypertension
Non-prevalent hypertension
177 participants
n=5 Participants
155 participants
n=7 Participants
332 participants
n=5 Participants
Body mass index
29 kg/m^2
STANDARD_DEVIATION 6.2 • n=5 Participants
29 kg/m^2
STANDARD_DEVIATION 6.3 • n=7 Participants
29 kg/m^2
STANDARD_DEVIATION 6.2 • n=5 Participants
Current smoker
Current smoker
230 participants
n=5 Participants
221 participants
n=7 Participants
451 participants
n=5 Participants
Current smoker
Not current smoker
1826 participants
n=5 Participants
1833 participants
n=7 Participants
3659 participants
n=5 Participants
Total cholesterol
4.8 mmol/L
STANDARD_DEVIATION 1.2 • n=5 Participants
4.8 mmol/L
STANDARD_DEVIATION 1.1 • n=7 Participants
4.8 mmol/L
STANDARD_DEVIATION 1.1 • n=5 Participants
High-density lipoprotein cholesterol
1.2 mmol/L
STANDARD_DEVIATION 0.4 • n=5 Participants
1.2 mmol/L
STANDARD_DEVIATION 0.4 • n=7 Participants
1.2 mmol/L
STANDARD_DEVIATION 0.4 • n=5 Participants
Calculated or direct low-density lipoprotein cholesterol
2.6 mmol/L
STANDARD_DEVIATION 0.9 • n=5 Participants
2.6 mmol/L
STANDARD_DEVIATION 0.9 • n=7 Participants
2.6 mmol/L
STANDARD_DEVIATION 0.9 • n=5 Participants
Triglycerides levels
2.3 mmol/L
STANDARD_DEVIATION 2.5 • n=5 Participants
2.2 mmol/L
STANDARD_DEVIATION 1.6 • n=7 Participants
2.2 mmol/L
STANDARD_DEVIATION 2.1 • n=5 Participants

PRIMARY outcome

Timeframe: Up to 6 years (mean 4 years)

Population: Censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2029 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2029 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Recurrent or de Novo Arteriosclerotic Cardiovascular Disease (CVD) Defined as the Occurrence of Non-fatal or Fatal Arteriosclerotic Outcomes Including Coronary Heart, Cerebrovascular, and Peripheral Vascular Disease Events
269 participants
278 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

Population: Intention-to-treat

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2029 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2029 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Renal Graft Failure
181 participants
162 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2054 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2049 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Mortality (All-cause)
217 participants
214 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Fatal/Non-fatal Myocardial Infarction (MI)
90 participants
86 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Fatal/Non-fatal Stroke
35 participants
32 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Resuscitated Sudden Death (RSD)
7 participants
9 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

Population: P was calculated with stratified proportional hazards models stratified by country

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
CVD Death
75 participants
91 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Coronary Artery Revascularization
111 participants
120 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Lower Extremity Peripheral Arterial Disease (PAD)
59 participants
53 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Carotid Endarterectomy or Angioplasty
10 participants
9 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2056 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Abdominal Aortic Aneurysm Repair
3 participants
5 participants

SECONDARY outcome

Timeframe: Up to 6 years (mean 4 years)

censored at 3 months after return to dialysis

Outcome measures

Outcome measures
Measure
High Dose Multivitamin
n=2 Participants
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 Participants
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Renal Artery Revascularization
9 participants
7 participants

Adverse Events

High Dose Multivitamin

Serious events: 0 serious events
Other events: 121 other events
Deaths: 0 deaths

Low Dose Multivitamin

Serious events: 0 serious events
Other events: 114 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
High Dose Multivitamin
n=2056 participants at risk
Multivitamin with increased folic acid, vitamin B6 and vitamin B12 High Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 50 mg Folic acid: 5.0 mg Vitamin B12: 1.0 mg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Low Dose Multivitamin
n=2054 participants at risk
Multivitamin devoid of folic acid and with EAR amounts of vitamin B6 and vitamin B12 Low Dose Multivitamin: Vitamin B6 (Pyridoxine HCl): 1.4 mg Folic acid: 0.0 mg Vitamin B12: 2.0 mcg Vitamin B1 (Thiamine HNO3): 1.5 mg Vitamin B2 (Riboflavin): 1.5 mg Vitamin C (Ascorbic Acid): 60 mg d-Biotin: 300 mcg Niacinamide: 20 mg Pantothenic Acid Calcium Pantothenate): 10 mg
Gastrointestinal disorders
Gastrointestinal disturbances
5.9%
121/2056 • 4 years
5.6%
114/2054 • 4 years

Additional Information

Dr. Myra Carpenter

University of North Carolina at Chapel Hill

Phone: 9199429408

Results disclosure agreements

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