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Since docosahexaenoic acid (DHA) level in sperm membrane has been shown to be decreased in asthenozoospermic men, the investigators hypothesized that DHA supplementation may improve it. Furthermore, the investigators added vitamin E to it to protect its unsaturated bonds which are susceptible to oxidation and production of free oxygen radicals.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| DHA plus vitamin E | Experimental | Cap DHA 460mg plus vitamin E 600mg per day |
|
| VitaminE plus placebo | Active Comparator | vitamin E 600 mg plus placebo |
|
| placebo plus placebo | Placebo Comparator | DHA shaped placebo plus vitamin E shaped placebo |
|
| DHA plus placebo | Active Comparator | 460 mg DHA plus placebo |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| vitamin E | Dietary Supplement |
| ||
| DHA |
| Measure | Description | Time Frame |
|---|---|---|
| sperm motility | spermatogram | 12 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| sperm count | spermatogram | 12 weeks |
| seminal oxidative stress | ELISA | 12 weeks |
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Inclusion criteria:
Exclusion criteria:
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32453396 | Derived | Eslamian G, Amirjannati N, Noori N, Sadeghi MR, Hekmatdoost A. Effects of coadministration of DHA and vitamin E on spermatogram, seminal oxidative stress, and sperm phospholipids in asthenozoospermic men: a randomized controlled trial. Am J Clin Nutr. 2020 Sep 1;112(3):707-719. doi: 10.1093/ajcn/nqaa124. |
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| Dietary Supplement |
|
| placebo | Other |
|
| ID | Term |
|---|---|
| D053627 | Asthenozoospermia |
| ID | Term |
|---|---|
| D007248 | Infertility, Male |
| D005832 | Genital Diseases, Male |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
| D007246 | Infertility |
| D052801 | Male Urogenital Diseases |
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| ID | Term |
|---|---|
| D014810 | Vitamin E |
| ID | Term |
|---|---|
| D001578 | Benzopyrans |
| D011714 | Pyrans |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
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