Impact of Health-related Quality of Life and Prediagnosis Risk of Major Depressive Disorder on Treatment Choice in Low- and Intermediate-Risk Prostate Cancer.

BACKGROUND

Treatment for low-risk (LR), favorable intermediate-risk (FIR), and unfavorable intermediate-risk (UIR) prostate cancer (PC) is complicated by clinical equipoise between multiple options. It is unknown how prediagnosis health-related quality of life (HRQoL) and major depressive disorder (MDD) risk impact treatment decisions.

OBJECTIVE

To analyze associations of patient-reported HRQoL and MDD risk with treatment for LR, FIR, and UIR PC patients.

DESIGN SETTING AND PARTICIPANTS

Using the Surveillance, Epidemiology and End Results and Medicare Health Outcomes Survey-linked database, we identified 1678 PC patients (498 with LR, 685 with FIR, and 495 with UIR) aged ≥65 yr and diagnosed between 2004 and 2015, who completed the health outcomes survey ≤24 mo before diagnosis.

OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS

HRQoL was measured by physical (PCS) and mental (MCS) component summaries of the Medical Outcomes Study Short Form 36 (SF-36) and Veterans RAND 12-item (VR-12) health survey instruments. MDD risk was derived from survey items screening for depressive symptoms. Associations with treatment choice were assessed by multivariable multinomial logistic regression.

RESULTS AND LIMITATIONS

LR patients with higher PCS scores were more likely to receive radiation than surgery (adjusted odds ratio [AOR] 1.5 [95% confidence interval {CI}: 1.1-2.1; = 0.02]). FIR patients with MDD risk were more likely to receive neither treatment than surgery or radiation (surgery: AOR 2.6 [95% CI: 1.1-6.2; = 0.03]; radiation: AOR 2.2 [95% CI: 1.2-4.2; = 0.01]). UIR patients with MDD risk were more likely to undergo radiation than surgery (AOR 2.3 [95% CI: 1.0-4.9; =0.04]). Additionally, higher PCS scores were associated with receipt of surgery compared with neither treatment (AOR 1.5 [95% CI: 1.1-2.0; =0.01]). This study is limited by its retrospective design.

CONCLUSIONS

Older PC patients with MDD risk received less invasive treatments in the FIR and UIR groups. Higher PCS scores were associated with treatment modality in LR and UIR patients. HRQoL and MDD risk impact treatment choice, warranting additional study.

PATIENT SUMMARY

Treatment of prostate cancer requires thoughtful decision-making processes. This study shows that both pretreatment mental status and pretreatment physical status affect treatment decisions, and should be considered during counseling.