Ignite Creation Date:
2025-12-24 @ 6:52 PM
Ignite Modification Date:
2025-12-29 @ 5:13 PM
Study NCT ID:
NCT01371357
Status:
COMPLETED
Last Update Posted:
2011-12-20
First Post:
2011-06-09
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
The Effects of 8-week Choline, Betaine, and Folic Acid Supplementation on Plasma Homocysteine Concentration During Guanidinoacetic Acid Loading in Young Healthy Volunteers
Sponsor:
Center for Health Sciences, Serbia
Organization:
Study Overview
Official Title:
None
Status:
COMPLETED
Status Verified Date:
2011-12
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
A methyl-group acceptor such as guanidinoacetic acid (GAA) could induce hyperhomocysteinemia with the effects of GAA expected to be dose-dependent. Due to the fact that hyperhomocysteinemia is thought to be an independent risk factor for cardiovascular and neurodegenerative diseases, different dietary agents were used in the past for the treatment of elevated total plasma homocysteine (T-HCy), e. g. betaine, choline (betaine precursor) or folic acid. In the context of GAA loading the question arises whether intake of betaine, choline (betaine precursor) or folic acid during GAA loading could affect plasma T-HCy in healthy humans. Forty healthy physically active men and women aged 20 to 30 years will take part in this GAA-controlled, double-blind and parallel-group intervention study. Subjects will be allocated to four randomly assigned trials, with treatment lasting for 8 weeks and washout period of 28 days. The 4 test treatment-groups will include TEST1 (GAA only), TEST2 (GAA, choline, B6, B12 and folic acid), TEST3 (GAA, betaine, B6, B12 and folic acid) and TEST4 (GAA, B6, B12 and folic acid). Plasma T-HCy will be the primary outcome measure assessed every second week throughout the study. Plasma B-vitamins and blood and urine metabolites (GAA, creatine, methionine, arginine) will be secondary outcome measures along with adverse-effects indicators assessed every second week throughout the study. Selected body composition indicators will be obtained at 0, 2, 8 and 12 weeks throughout the study to monitor the effects of experimental treatments on body hydration and protein synthesis. This research will test the hypothesis that a combination of GAA with homocysteine lowering nutrients attenuates the elevation of T-hcy, and will further display the size-effect of each additive used.
Detailed Description:
None
Study Oversight
Has Oversight DMC:
True
Is a FDA Regulated Drug?:
None
Is a FDA Regulated Device?:
None
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?: