Effects of Korean Red Ginseng on Male Infertility
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ClinicalTrials.gov Identifier: NCT02202382 |
Recruitment Status :
Completed
First Posted : July 29, 2014
Last Update Posted : July 31, 2014
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Condition or disease | Intervention/treatment | Phase |
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Male Infertility | Drug: Korean Red Ginseng, Varicocelectomy Drug: Placebo Procedure: Varicocelectomy | Phase 4 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 80 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Study Start Date : | April 2011 |
Actual Primary Completion Date : | January 2012 |

Arm | Intervention/treatment |
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Placebo Comparator: non-V + P group
no surgery and placebo (12 weeks)
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Drug: Placebo
Placebo were provided by Korean Ginseng Corporation (Daejeon, Korea). The placebo capsules were identical in shape, color, and taste. |
Active Comparator: V + P group
Surgery with placebo (12 weeks)
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Drug: Placebo
Placebo were provided by Korean Ginseng Corporation (Daejeon, Korea). The placebo capsules were identical in shape, color, and taste. Procedure: Varicocelectomy Surgical microscope-assisted varicocelectomy using the subinguinal approach was conducted by a single surgeon. |
Active Comparator: non-V + KRG group
no surgery with KRG (korean red ginseng, 1.5 gm daily 12weeks)
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Drug: Korean Red Ginseng, Varicocelectomy |
Experimental: V + KRG group
Surgery with KRG (1.5 gm daily 12weeks)
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Drug: Korean Red Ginseng, Varicocelectomy Procedure: Varicocelectomy Surgical microscope-assisted varicocelectomy using the subinguinal approach was conducted by a single surgeon. |
- Sperm concentration [ Time Frame: When 12 week treatments were finished in all treatment arms, semen analysis and determination of hormonal levels were performed after 2 weeks of washout period ]Primary outcome measure according to World Health Organization (WHO) methodologies (4th edition)
- Sperm motility [ Time Frame: When 12 week treatments were finished in all treatment arms, semen analysis and determination of hormonal levels were performed after 2 weeks of washout period ]Primary outcome measure according to World Health Organization (WHO) methodologies (4th edition)
- Sperm morphology [ Time Frame: When 12 week treatments were finished in all treatment arms, semen analysis and determination of hormonal levels were performed after 2 weeks of washout period ]Primary outcome measure according to World Health Organization (WHO) methodologies (4th edition)
- Sperm viability [ Time Frame: When 12 week treatments were finished in all treatment arms, semen analysis and determination of hormonal levels were performed after 2 weeks of washout period ]Primary outcome measure according to World Health Organization (WHO) methodologies (4th edition)
- Serum concentrations of FSH [ Time Frame: The hormonal status of all patients was recorded at the initial screening visit and post-treatment. (baseline and 12weeks after treatment) ]Serum hormonal levels were quantified by chemiluminescence assays
- Serum concentrations of LH [ Time Frame: The hormonal status of all patients was recorded at the initial screening visit and post-treatment. (baseline and 12weeks after treatment) ]Serum hormonal levels were quantified by chemiluminescence assays
- Serum concentrations of testosterone [ Time Frame: The hormonal status of all patients was recorded at the initial screening visit and post-treatment. (baseline and 12weeks after treatment) ]Serum hormonal levels were quantified by radioimmunoassay

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Ages Eligible for Study: | 25 Years to 45 Years (Adult) |
Sexes Eligible for Study: | Male |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Patients should be males, 25 - 45 years of age
- Complained of infertility for at least 12 months
- No history of surgical or medical treatments for infertility
- Increased retrograde flow in the internal spermatic vein with venous diameter > 3 mm during the Valsalva maneuver on scrotal ultrasonography was used as an indicator of varicocele.13 Varicocele was graded according to the criteria presented by Lyon et al.14: grade I, palpable only with the Valsalva maneuver; Grade II, palpable without the Valsalva maneuver; Grade III, visible from a distance.
Exclusion Criteria:
- The exclusion criteria were as follows:
- A history of vasectomy or obstructive azoospermia
- Chromosomal abnormalities
- Hypogonadism or pituitary abnormalities
- Anatomical abnormality of the genitals
- Significant hepatopathy (liver enzymes elevated 2 - 3-fold higher than the normal range)
- Renal insufficiency (serum creatinine level > 2.5 mg/dL)
- Medical treatment for infertility during the past 4 weeks

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02202382
Korea, Republic of | |
Department of Urology, Pusan National University Hospital | |
Busan, Korea, Republic of, 602-739 |
Responsible Party: | Hyun Jun Park, Professor, Pusan National University Hospital |
ClinicalTrials.gov Identifier: | NCT02202382 |
Other Study ID Numbers: |
KGR study |
First Posted: | July 29, 2014 Key Record Dates |
Last Update Posted: | July 31, 2014 |
Last Verified: | July 2014 |
Infertility Infertility, Male |