ADT May Cause Side Effects in Prostate Cancer Patients

ADT reduces the level of testosterone and other androgens in the body causing fatigue, depression and cognitive impairment among prostate cancer patients.

Moffitt Cancer Center researchers are investigating whether inflammation in the body, a side effect of ADT, contributes to these symptoms in prostate cancer patients.

‘Anti-inflammatory medications and exercise, can help alleviate fatigue and depressive symptoms in ADT patients.’
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In a new study published in the journal Cancer, they pinpoint a specific inflammation marker that is associated with increased fatigue in this group of patients.

"This is the first study that we know of that examines the association between inflammation and symptoms of fatigue, depression or cognitive impairment in prostate cancer patients receiving ADT," said Heather Jim, Ph.D., corresponding author and co-leader of the Health Outcomes & Behavior Program at Moffitt.

"Because the blocking of testosterone can increase inflammation in the body, we believe that inflammation may also be contributing to these symptoms."

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For the study, the research team evaluated two groups of men: prostate cancer patients beginning ADT and a control group of healthy men the same age.

The men were assessed at the start of the study and again at six and 12 months. Assessments included fatigue, depression and other neuropsychological tests and a blood draw.

The bloodwork was to check for circulating markers of inflammation, specifically interleukin-1 receptor antagonist (IL-1RA), interleukin-6 (IL-6), soluble tumor necrosis factor receptor-2 (sTNF-R2) and C-reactive protein (CRP).

While the groups did not differ at baseline, researchers noticed a significant increase in fatigue and depressive symptoms in the ADT patients over the 12-month period. They also saw an increase in one inflammation marker, IL-6, in this group of patients.

"Interleukin-6 is a pro-inflammatory cytokine that is often associated with disruption of sleep and therefore fatigue," said Aasha Hoogland, Ph.D., lead study author and an applied research scientist in the Health Outcomes & Behavior Program at Moffitt.

"Studies have shown testosterone can suppress the effects of IL-6, but ADT limits testosterone production in the body, which is why we may be seeing increased levels in this patient group."

The researchers say additional studies are needed to see if interventions, such as anti-inflammatory medications and exercise, can help alleviate fatigue and depressive symptoms in ADT patients.

Source-Eurekalert