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The task force also had a number of specific recommen-

dations. First, prospective studies should be initiated to

validate screening tools in elderly prostate cancer patients.

The G8 in particular should be validated in this specific

population. Second, prospective studies to validate this

pragmatic classification should follow establishment of

consensus among oncogeriatric specialists. Third, nomo-

grams should be developed to predict outcome in older

prostate cancer patients in different settings when using

tools that assess health status (comorbidities through CISR-

G, dependence, and malnutrition).

4.

Treatment of elderly prostate cancer patients

We examined standard management of localised and

advanced disease and applied when possible considerations

specific to elderly men.

4.1.

Localised disease

Treatment is based on risk

[26] .

In a large study

[27]

,

mortality at 15 yr was independent of age at diagnosis but

directly linked to risk group, ranging from 10% (low risk) to

20% (intermediate risk) and 35–40% (high risk). Non–

prostate cancer mortality was mainly linked to comorbid-

ities, but the aggressiveness of the disease outweighed

comorbidity in intermediate- and high-risk groups. The aim

in T1–3N0M0 disease is generally curative. Decisions in the

elderly should take into account the risk of dying from

prostate cancer (ie, tumour grade and stage), the risk of

dying from another cause (ie, comorbidities), the risks of

treatment, and patient preferences.

Healthy elderly patients with high-risk prostate cancer

are often undertreated. However, there is also concern

about the overtreatment of many low-risk patients with

comorbidities and limited life expectancy

[2] .

It is impor-

tant to assess both oncologic outcomes (extracapsular

disease, metastases, lymph node invasion, and cancer-

specific death) and functional outcomes (eg, erectile

dysfunction and incontinence).

4.1.1.

Radical prostatectomy (RP)

Older men are more likely to have larger and higher-grade

tumours

[28]

, and thus might benefit more from a local

treatment including RP. For high-risk lesions, cancer-

specific survival is up to 91% after surgery combined with

adjuvant and/or salvage modalities. Survival can be up to

95% with one risk factor (ie, Gleason

>

7, stage

>

T2, or

prostate-specific antigen [PSA]

>

20 ng/ml), and 79% with

three risk factors

[29]

.

We do not know whether surgery should be open or

minimally invasive. A recent review suggested that in older

patients, a minimally invasive approach led to higher rates

of transfusion, postoperative genitourinary complications,

incontinence, and stricture when compared to the same

procedure in younger men

[30]

.

Although 30-d mortality after RP increases with age, it is

only 0.66% in men aged 70–79 yr

[31]

. Death and

complications following RP depend more on comorbidities.

Conversely, incontinence and erectile dysfunction are

predominantly influenced by age

[31]

. Even so, continence

rates are still good in older men, with 86% aged 70 yr

regaining continence

[31]

. Recent data on robotic prosta-

tectomies do not reveal any difference in complications and

continence between patients aged

<

70 and 70 yr. Only

potency recovery was better among younger patients. An

Australian cohort compared continence after robotic RP in

men

<

70 and 70 yr and found no difference

[32] .

4.1.2.

Radiation therapy

Image-guided intensity-modulated radiotherapy (RT)is

now standard for external-beam RT. Evidence is accumu-

lating regarding brachytherapy (low and high dose rates) as

a ‘‘boost’’ or as monotherapy.

Combined RT and androgen deprivation therapy (ADT) is

standard for locally advanced or intermediate- to high-risk

T1/T2 disease. The optimum duration of ADT with higher-

dose RT is yet to be determined. Adding ADT to RT confers

no benefit to patients with localised high-risk prostate

cancer and competing moderate to severe comorbidities, as

the latter have a greater impact on survival than the cancer

[33]

.

Age does not increase acute or late urinary or bowel

toxicity, but does predict reduced sexual function. However,

90% of patients surveyed about their treatment would make

the same decision if asked again

[34]

.

In the CHHIP study, standard RT fractionation (37 frac-

tions over 7.5 wk) was compared to a hypofractionated

regimen (20 fractions over 4 wk). Most patients had

intermediate-risk disease. Acute bowel toxicity was greater

with hypofractionation, but other acute and late toxicities

were comparable. At 5 yr the biochemical control rate was

not inferior to standard fractionation and actually favoured

patients aged

>

69 yr

[35]

.

4.1.3.

Neoadjuvant/adjuvant treatment

The GETUG 12 trial

[36]

reported on ADT plus docetaxel and

estramustine versus ADT alone in patients (median age 62–

64 yr) with treatment-naive prostate cancer and at least one

risk factor. However no data were presented that relate

specifically to elderly patients.

4.1.4.

Minimally invasive therapies

Hemi-gland ablation or ablation of the index lesion(s) may

provide well-tolerated control in the elderly at low to

intermediate risk, but at present remains experimental.

Options include high-intensity focused ultrasound, cryo-

therapy, brachytherapy, photodynamic and laser therapy,

and irreversible electroporation.

4.1.5.

Androgen deprivation therapy

In patients with high-risk nonmetastatic prostate cancer

who are too frail to receive curative treatment, immediate

ADT has a very modest role

[37]

. It improves overall survival

(OS; hazard ratio [HR] 1.21, 95% confidence interval [CI]

1.05–1.39), but not cancer-specific survival. If not initially

treated with ADT, the median time to start ADT on the basis

of symptoms was 7 yr, and 44% of patients in the deferred

E U R O P E A N U R O L O G Y 7 2 ( 2 0 1 7 ) 5 2 1 – 5 3 1

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