Don't have a link but here are the conclusions, DOI and citation.
CONCLUSIONS: For patients diagnosed with hypogonadism who were previously treated
for prostate cancer, TRT does not result in biochemical failure or an increase in median
prostate-specific antigen. TRT may also improve sexual function.
DOI 10.14338/IJPT-14-00004.1
Bryant C, Hoppe BS, Mendenhall NP, Henderson RH, Nichols RC, Morris CG, Williams CR, Su Z, Li Z, Mendenhall WM. Testosterone Replacement Therapy in Men with Prostate Cancer after Proton Therapy. Int J Particle Ther. 2014;1(3):682–691.
CONCLUSIONS: For patients diagnosed with hypogonadism who were previously treated
for prostate cancer, TRT does not result in biochemical failure or an increase in median
prostate-specific antigen. TRT may also improve sexual function.
DOI 10.14338/IJPT-14-00004.1
Bryant C, Hoppe BS, Mendenhall NP, Henderson RH, Nichols RC, Morris CG, Williams CR, Su Z, Li Z, Mendenhall WM. Testosterone Replacement Therapy in Men with Prostate Cancer after Proton Therapy. Int J Particle Ther. 2014;1(3):682–691.