Cancer Clinical Trial
Official title:
Spermatogonial Stem Cell (SSC) Transplant and Testicular Tissue Grafting
Spermatogonial stem cell transplantation through ultrasound guided rete testis injection and testicular tissue grafting will be performed for participants who have frozen testicular tissue prior to gonadotoxic therapy. The purpose of this study is to test the safety and feasibility of these transplant technologies and restore fertility for these participants.
Status | Recruiting |
Enrollment | 10 |
Est. completion date | July 1, 2026 |
Est. primary completion date | July 1, 2025 |
Accepts healthy volunteers | No |
Gender | Male |
Age group | N/A and older |
Eligibility | Inclusion Criteria: - Male participant at least in Tanner stage 3 - Previously cryopreserved and stored testicular tissue/cells (frozen due to an infertility-risking diagnosis or treatment such as chemotherapy or radiation) available for autologous transplantation and grafting - Healthy enough to undergo anesthesia - Written clearance for the procedure from the patient's hematologist or oncologist to confirm the patient has finished treatment for primary condition and are clear to undergo autologous stem cell transplant Exclusion Criteria: - Participants considered to be high risk for surgical complications - Participants with a history of leukemia, lymphoma or testicular cancer or a cancer that likely involved testicles at the time of testicular tissue collection - Diagnosed with psychological, psychiatric, or other conditions which prevent giving fully informed consent. |
Country | Name | City | State |
---|---|---|---|
United States | Magee-Womens Hospital | Pittsburgh | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
University of Pittsburgh |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of participants with return of spermatogenesis | Rate of participants where sperm was found in semen analysis or testicular tissue analysis | 3 months-1year | |
Secondary | Number of participants with cancer recurrence | Rate of participants diagnosed with cancer recurrence | 5 years | |
Secondary | Number of participants with surgical complications of SSC transplantation and testicular tissue grafting | Rate of infection, hospital readmission, re-operation occurs | 3 months |
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