男性の不妊症におけるコエンザイムQ10の有効性と安全性: ランダム化試験の体系的レビューとメタ分析
Syarif Bakri1,2, Ramadan Saleh2,3,4, Selahittin Cayan2,5
1Division of Urology, Department of Surgery, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia.
The world journal of men's health
|August 29, 2025
まとめ
コエンザイムQ10 (CoQ10) は,男性不妊症 (IMI) の男性における精子の質と妊娠率を著しく改善します. 3ヶ月以上の治療は特に効果的で,一般的に安全です.
科学分野:
- 生殖医学
- 栄養学的生化学
- 証拠 に 基づく 医学
背景:
- 男性のイディオパシー不妊症 (IMI) は,男性人口の有意な部分に影響を与え,有効な治療の選択肢は限られています.
- コエンザイムQ10 (CoQ10) は電子輸送鎖の不可欠な成分であり,精子の機能に潜在的な役割を果たす抗酸化物質です.
研究 の 目的:
- 男性の不妊症におけるコエンザイムQ10補給の有効性を体系的に検討し,メタ分析する.
- CoQ10の最適な投与量,配方,および治療期間を男性生殖能力の改善のために決定する.
主な方法:
- PubMed,Science Direct,Cochrane Libraryで体系的な文献検索が行われました.
- 781人の参加者を含む9つの研究が含まれており,メタ解析はレビューマネージャ5. 4を用いて行われました.
- 研究の質は,改訂されたコクランバイアスのリスクツール (RoB2) を使用して評価されました.
主要な成果:
- CoQ10は精子の濃度,精液量,総精子の運動性を有意に改善しました.
- 精液中の CoQ10 濃度と臨床妊娠率は CoQ10 補給で有意に増加しました.
- 治療期間が3ヶ月を超えると,精子形態の有意な改善が見られた.
結論:
- コエンザイムQ10の補給は,IMIの男性における精液の質と妊娠率を改善するための有効で,一般的に安全な治療法です.
- 長期間 (3ヶ月以上) の治療は,特に精子形態の改善に効果があるようです.
- CoQ10は,単独療法または他の抗酸化剤と併用して不妊の男性に使用することができます.
関連する概念動画
Infertility in Males
331
Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
331
Cofactors and Coenzymes
83.5K
Enzymes require additional components for proper function. There are two such classes of molecules: cofactors and coenzymes. Cofactors are metallic ions and coenzymes are non-protein organic molecules. Both of these types of helper molecule can be tightly bound to the enzyme or bound only when the substrate binds.
83.5K
Infertility in Females
401
Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
Endometriosis, a condition characterized by abnormal growth of...
401
Sperm Structure and Semen Composition
4.9K
During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
4.9K
Sperm Transport
1.4K
The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...
The maturation phase occurs in the epididymis, where sperm...
1.4K
Disorders of the Male Reproductive System
570
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
570


