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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03250195
Other study ID # H-17013319
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date August 7, 2017
Est. completion date August 7, 2021

Study information

Verified date November 2022
Source Rigshospitalet, Denmark
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of the study is to examine the value of the new MRI techniques (spectroscopy and DWI), and FDG-PET in prognostication of male infertility.


Description:

The diagnostic workup of male infertility includes medical history, physical examination and semen analysis. In severe cases further workup includes testicular ultrasound, analysis of genes and hormones and in a few cases testicular biopsies are necessary. Ultrasound is the first choice of imaging, but new MRI and PET techniques can provide additional information. Research indicates that new MRI techniques can measure the activity of the testicular sperm cell production non-invasively and FDG-PET can measure the testicular metabolism with a radioactively marked glucose analog (FDG). These imaging modalities are combined in a PET/MRI and we wish to perform a PET/MRI in 10 men with normal sperm counts and 10 men with low sperm counts in order to evaluate whether a PET/MRI can distinguish testicles with and without sperm cell production. We hope that this new non-invasive technique can replace the need for invasive biopsies and will be able to target the harvesting of sperm cells in fertility treatment.


Recruitment information / eligibility

Status Terminated
Enrollment 12
Est. completion date August 7, 2021
Est. primary completion date August 7, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 40 Years
Eligibility Inclusion Criteria: 18-40 year old males referred to fertility treatment at Rigshospitalet, Denmark. 10 men with a normal sperm count and 10 men with no sperm cells in the ejaculate will be included. The patients shall be able to understand the patient information and be able to give informed consent. Exclusion Criteria: Severe claustrophobia Age: less than 18 or above 40 Severe obesity (> 140 kg) Pacemaker or other electronic in-operated devices Non-MR compatible metallic devices Malignant testicular tumors suspected at clinical examination or ultrasound Infectious testicular diseases

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
PET/MRI
PET/MRI scan

Locations

Country Name City State
Denmark Rigshospitalet Copenhagen Østerbro

Sponsors (1)

Lead Sponsor Collaborator
Rigshospitalet, Denmark

Country where clinical trial is conducted

Denmark, 

Outcome

Type Measure Description Time frame Safety issue
Primary SUVmax (maximum standardized uptake value) The SUV is the ratio of the image derived radioactivity concentration and the whole body concentration of the injected radioactivity. 1 year
Primary Testicular metabolite concentrations measured by MRI spectroscopy. MR spectroscopy is a non-invasive, ionizing-radiation-free analytical technique that has been used to study metabolic changes in different tissues. The unit is p.p.m. 1 year
Primary Testicular apparent diffusion coefficient Diffusion-weighted magnetic resonance imaging (DW MRI) provides image contrast that is dependent on the random microscopic motion of water protons, which may be substantially altered by different pathological process. 1 year
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