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Seminal vesicle endoscopy for the treatment of severe asthenozoospermia caused by partial obstruction of ejaculatory duct: a prospective, single arm, single center clinical study

Seminal vesicle endoscopy for the treatment of severe asthenozoospermia caused by partial obstruction of ejaculatory duct: a prospective, single arm, single center clinical study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500109959
Enrollment
Unknown
Registered
2025-09-28
Start date
2025-01-10
Completion date
Unknown
Last updated
2025-10-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Severe oligospermia

Interventions

Group A (Part One):None
Group B (Part One):None
Group A (Part Two):Seminal vesiculoscopy surgery treatment

Sponsors

Nanjing Drum Tower Hospital
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Group A and Group B: Males aged 20-50; height 165cm-180cm; 2. Group A: Married, with a desire for fertility, and has not conceived naturally for more than 1 year; 3. Group A: After conservative drug treatment, semen was tested a total of 4 times (twice before and twice after drug treatment), semen volume >1.5ml, progressive motile sperm <10% each time, total progressive sperm count <10 ×10^6; 4. Group A: Seminal vesicle MRI shows significant dilation of the seminal vesicle ducts; 5. Voluntarily signed informed consent, understands and accepts potential surgical risks and complications, and agrees to postoperative timely follow-up; understands and accepts MRI examination; 6. Group B: Married and has conceived naturally within the past five years.

Exclusion criteria

Exclusion criteria: 1. Urinary system infections: Symptoms of urinary tract infection (such as urinary irritation symptoms, prostatitis symptoms, hematospermia, etc.) or abnormal white blood cells or red blood cells indicated in routine urinalysis; 2. Organic abnormalities: Abnormal development of external genitalia, including significant abnormalities of the penis, scrotum, testes, epididymis, or spermatic cord, as well as organic diseases of the lumbar region; 3. Systemic diseases: Patients with psychiatric disorders, endocrine diseases, neurological diseases, or severe cardiovascular diseases, including hypertension, hypotension, diabetes, hyperthyroidism, hypothyroidism, epilepsy, and gonadal dysfunction; abnormal liver or kidney function, abnormal coagulation indicators, etc.; 4. History of pelvic surgery; 5. Subjects deemed by the investigator as unsuitable for participation in this clinical study (subjects who prefer assisted reproductive technology).

Design outcomes

Primary

MeasureTime frame
semen parameters;

Secondary

MeasureTime frame
Pregnancy rate of partner;Seminal vesicle size;Seminal plasma biochemistry;

Countries

China

Contacts

Public ContactSong Tao

Nanjing Drum Tower Hospital

156696878@qq.com+86 18900675273

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026