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Is Antioxidant Treatment Viable For Idiopathic
Male Infertility?
Sulagna Dutta, PhD
Summer Intern 2019
American Center for Reproductive Medicine
Department of Urology, Cleveland Clinic
Cleveland, OH
Lecturer
Physiology, Faculty of Dentistry
MAHSA Univerity
Selangor, Malaysia
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Congenital
Genetic
Leukocytospermia
Ductal obstructions
Mitochondrial dysfunctions
Endocrine dysregulations
Varicocele
Immune
Idiopathic
Male Infertility: Underlying Causes
IDIOPATHIC MALE INFERTILITY
>25% of male infertility cases
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Male Oxidative
Stress Infertility
Oxidative stress (OS) is a common mediator for various etiologies to impair sperm functions.
Oxidative Stress and Antioxidant
https://my.clevelandclini
c.org/health/diseases/1
7201-male-infertility
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Aim and Objectives
Aim
To evaluate the effect of antioxidant treatment in idiopathic male infertility.
Objectives
1. To identify research articles on antioxidant treatment in male infertility
2. To present a concise understanding of whether antioxidant treatment
improve male fertility parameters
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Methods
• Literature search following the PRISMA guidelines from electronic databases,
PubMed and Scopus
• MeSH terms used:
• Systematically tabulate and review in a concise manner
Male infertility, antioxidants, idiopathic, oxidative stress, semen parameters, sperm
functions, sperm DNA fragmentation, Assisted Reproductive Techniques
Inclusion Criteria
• Studies concerning antioxidant and
idiopathic male infertility or subfertility
• Clinical trials
Exclusion Criteria
• Female factor infertility
• Animal studies other than human
• Non-English articles
• Studies with treatment duration of less
than 3 months
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PRISMA Flowchart of Literature Search
Total number of articles =943
Articles excluded that do not include
“idiopathic male infertility’’ =838
Potential articles to evaluate for time of publication =105
Potential articles for evaluation of abstract =67
Articles excluded that are published before
2009 =38
Articles excluded based on species (animals
other than human) =11
Potential articles for evaluation of full manuscripts =56
Potential articles including (review + original)=25
Articles excluded after screening of
manuscripts=31
Review articles =13
Non-reproducible data =2
Articles included in this study (Clinical human trials) =10
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Statistical Analysis
• Data were analyzed using MedCalc (v.19.0.5) statistical software package
• Semen parameters were tested for normality of distribution of data
• Wilcoxon test for non-parametric data sets
• Student’s t-test for parametric data sets
• Significant difference between the pre-treatment data set with post-
treatment data set across the studies were considered if P<0.05
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Antioxidant Treatment and Sperm Concentration
0
20
40
60
80
100
120
140
Safarinejad et al.,2012 (CoQ10)
ElSheikh et al.,2015 (Vitamin E)
Safarinejad, 2012(Pentoxifyllin)
Safarinejad et al.,2012 (Ubiquinol)
Safarinejad, 2011 (Omega‐3 fatty
acids)
Abad, Amengualet al., 2013
(Antioxidantcombination)
Busetto, Agarwalet al., 2018
(Antioxidantcombination)
Sper
m c
on
cen
trat
ion
(M
/ml)
Pre-treatment
Post-treatment
* * *
*Significance level, P<0.05
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0
10
20
30
40
50
60
70
80
Safarinejad etal., 2012(CoQ10)
ElSheikh et al.,2015 (Vitamin
E)
Ghanem,Shaeer et al.,2010 (Vitamin
E)
Safarinejad,2012
(Pentoxifyllin)
Safarinejad etal., 2012
(Ubiquinol)
Safarinejad, 2011
(Omega‐3 fatty acids)
Nasimi DoostAzgomi,
Nazemiyeh etal., 2018
(WithaniaSomnifera)
Abad,Amengual et
al., 2013(Antioxidantcombination)
Busetto,Agarwal et al.,
2018(Antioxidantcombination)
Sper
m M
oti
lity
%
Pre-treatment
Post-treatment
**
*
Antioxidant Treatment and Total Sperm Motility
*Significance level, P<0.05
**
*
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-5
0
5
10
15
20
25
30
35
40
45
Safarinejad et al.,2012 (CoQ10)
safarinejad, 2012(Pentoxifyllin)
Safarinejad et al.,2012 (Ubiquinol)
Safarinejad, 2011 (Omega‐3 fatty
acids)
Nasimi DoostAzgomi,
Nazemiyeh et al.,2018 (Withania
Somnifera)
Abad, Amengualet al., 2013
(Antioxidantcombination)
Busetto, Agarwalet al., 2018
(Antioxidantcombination)
Sper
m M
orp
ho
logy
%
Pre-treatment
Post-treatment
*
Antioxidant Treatment and Sperm Morphology
*Significance level, P<0.05
*
*
*
*
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*Significant increase (P<0.05) in the post-treatment data set compared to pre-treatment data set
across all the studies on antioxidant treatment in idiopathic male infertility.
Comparative Analysis For Semen Parameters
Wilcoxon Test For Sperm Concentrations Student’s t-test For Total Sperm Motility
No. of studies =7
Sample size =1134
No. of studies =9
Sample size =1294
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Summary
Antioxidants• Coenzyme Q₁₀
• Vitamin C
• Withania somnifera
• Omega‐3 fatty acids
• Pentoxifylline
• Vitamin E
• Carnitines
• Antioxidant combinations
Scavenge free
radicals
Reverse
Oxidative
Stress
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Acknowledgement
I take this opportunity to express my gratefulness to all my mentors of ACRM, Cleveland Clinic,
for preparing me and encouraging me all the way to this podium. I would also like to thank all
my friends for their support and appreciation.
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THANK YOU FOR YOUR ATTENTIONTHANK YOU FOR YOUR ATTENTION