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A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
[Patient with testosterone deficit syndrome after external beam radiotherapy]
Fernando Estrada Domínguez1, Angel Borque Fernando, Luis Rodríguez Vela
1Servicio de Urologia. Hospital General de la Defensa. Zaragoza.Urology Department. Hospital Miguel Servet. Zaragoza.Spain.
Archivos Espanoles De Urologia
|September 20, 2013
Summary
Testosterone deficit syndrome, linked to aging, can impact quality of life. Testosterone replacement therapy (TRT) may benefit select patients, including some prostate cancer survivors, with careful monitoring.
Area of Science:
- Endocrinology
- Geriatrics
- Urology
Background:
- Testosterone deficit syndrome is a condition associated with aging, characterized by low serum testosterone levels.
- Symptoms can include decreased muscle mass, bone density, libido, and erectile function, negatively impacting quality of life.
- Clinical guidelines suggest testosterone replacement therapy (TRT) for specific symptoms of testosterone deficiency.
Observation:
- Contraindications for TRT include active prostate cancer, high PSA levels, breast cancer, severe sleep apnea, infertility, elevated hematocrit, and severe lower urinary tract symptoms.
- Guidelines for TRT in patients treated for prostate cancer with brachytherapy or radiotherapy are cautious, recommending strict monitoring for recurrence.
- The study proposes that low-to-intermediate risk prostate cancer patients treated with radiotherapy alone, without evidence of recurrence, may be candidates for TRT.
Findings:
- TRT can be considered for eligible prostate cancer patients if symptoms warrant it.
- A waiting period of at least one year after nadir or 24 months after therapy completion is recommended before initiating TRT.
- Treatment requires strict monitoring of hematocrit, hemoglobin, digital rectal exams, and PSA levels.
Implications:
- This approach may improve quality of life for select aging men with testosterone deficiency.
- Careful patient selection and monitoring are crucial for the safe and effective use of TRT in prostate cancer survivors.
- Further research may clarify TRT protocols for specific patient populations and cancer treatments.
