PSA behaviour after radiotherapy KONGO THANK YOU FOR THE REPLY. There is a article on the internet by professor Les Bradbury stating PSA levels decline slowly after radiotherapy & can take several years to reach nadir. In fact , the longer the time to reach nadir & the lower the value , the better the chances are of remaining disease free. The PSA Prostate Cancer Screening Test from Labcorp uses a blood sample to measure the level of prostate-specific antigen (PSA) in your blood. High levels of PSA can be an indicator of prostate cancer and other prostate conditions, so this test may help with early diagnosis and treatment. Prostate specific antigen (PSA) is a protein produced by both normal and cancerous prostate cells. It's normal for all men to have some PSA in their blood. A high level of PSA can be a sign of cancer. But your PSA level can also be raised in prostate conditions that are not cancer. For example, if you have a urine infection. The combination of total Prostate-Specific Antigen (PSA) level and the ratio of free PSA were set as criteria for evaluating the risk of PCa. Multivariable logistic regression was used in race-stratified analyses to compute odds ratios (OR) and 95% confidence intervals (95% CI) comparing high PCa risk with low PCa risk. Some doctors also measure the level of free PSA. The PSA protein circulates in the blood in two forms: bound to other proteins or unbound (free). Several studies suggest that men with elevated PSA levels and a very low percentage of free PSA are more likely to have prostate cancer than a benign condition. Dr. Zadeikis reported that 29 levofloxacin patients and 31 ciprofloxacin patients were available for follow-up and had a post-therapy PSA level below 4.0 ng/mL. The mean level of PSA dropped by 2.81 ng/mL among those in the levofloxacin group. Among those in the ciprofloxacin group, the mean level dropped by 3.13 ng/mL. More than 90% showed The way it was explained to me is that there is a low level of psa that is always present in the system. This test is also called a Total psa test. The total or free psa test helps the doctor to set a baseline from where the other psa tests are measured from. My psa level was at .80 and shifted up to a 1.25, by that time I was already in kPBd7RK.

psa and free psa levels