Table 1: Taurine supplementation in clinical trials on patients with congestive heart failure.
Study |
Study design |
Patient population |
Sample size |
Taurine route, dose per day/duration |
Test parameter |
Significant Result |
J Azuma, et al. [41] |
Double blind, randomized cross-over placebo controlled |
Congestive heart failure (NYHA class II-IV) |
14 |
oral, 6 g/4 weeks |
Heart failure score |
Improvement in heart failure score from 5.8 to 3.7 in treatment group (p < 0.001) |
J Azuma, et al. [42] |
Double blind comparative study (taurine vs. CoQ) |
Congestive heart failure (EF < 50%) |
17 |
oral, 3 g/6 weeks |
Echocardiography parameters |
Ejection fraction(mean) improvement from 39% to 47% in taurine group (p < 0.01) |
Jeejeebhoy, et al. [43] |
Double blind randomised placebo controlled |
Congestive heart failure (EF < 40%) |
41 |
oral, 3 g/35-40 days |
Radionuclide ventriculography determined Left ventricle end diastolic volume |
Change LVEDV -Δ7.5 ml in the treatment group compared to +Δ10 ml in placebo (p < 0.05) |
Reza, et al. [44] |
Single blind placebo controlled |
Congestive heart failure (EF < 50%) |
29 |
oral, 1.5 g/2 weeks |
Exercise time- Modified bruce protocol |
Improvement in exercise time, METS and exercise distance in treatment groups (p < 0.0001) |
Mehdi, et al. [45] |
Double-blind placebo controlled |
Congestive heart failure (EF < 50%) |
16 |
Oral, 1.5 g/2 weeks |
Exercise time-Modified bruce protocol |
Improvement in exercise time by 3.18 mins and exercise distance by 212 m treatment group ( p < 0.001, p < 0.003) |
Zaki, et al. [46] |
Double-blind placebo control |
Peripartum cardiomyopathy, with EF- < 45%, requiring ICU care |
40 |
IV infusion, 10 mg/kg/day for 5 days |
Echocardiography parameters,
|
Mean LVEF% increased by 13.7% in the treatment group, 1.2% increase in control at day 5. (p < 0.001)
|
Rafikjan, et al. [47] |
Double-blind placebo control |
Congestive heart failure with NYHA class II- III |
117 |
oral, 750 mg/day for 12 months |
Six minute walking distance. |
Significant increase in 6 minute walking distance, in the treatment group with NYHA class III (p < 0.02), with no change in the control group (p > 0.05) |