Research Article

Long-Term Follow-Up of HLA-A2+ Patients with High-Risk, Hormone-Sensitive Prostate Cancer Vaccinated with the Prostate Specific Antigen Peptide Homologue (PSA146-154)

Table 1

Patient baseline characteristics.

CharacteristicGroup AGroup BProtocol-1Protocol-2Total

Age

median (average)61.5 (62.2)62 (64)64.5 (65.2)60.5 (61)62
range51–7351–8051–8051–7551–80

Race

white1013121123
black21123
other20112

ECOG PS

0 or 11414141428
2 or 300000

Disease status

undetectable (PSA 0)34527
measurable07257
increased PSA only1137714

Sites of disease

bone04224
soft tissue04044

Family history

positive43528
negative9961217
unknown11203

Gleason score

median (average)7 (7.14)7 (7.3)7 (7.2)7.5 (7.25)7
range4–95–105–104–94–10

PSA at diagnosis

median (average)5.8 (9.1)15.25 (28.4)8.4 (12.3)13.4 (24.3)10.5
range4–23.43.4–139<4–23.43.4–1393.4–139

PSA at study entry

median (average)0.32 (3.66)0.4 (2.6)0.4 (2.75)0.4 (3.5)0.4
range0–12.50–13.80–12.10–13.80–13.8

Local therapy

RPE24246
RPE + EBRT748311
EBRT, primary24246
other32235

Hormone Rx

none1005510
first line4118715
second line02112
≥3 therapies01011

Basal biochemistry

Alkaline phosphatase48–9049–10549–9050–10548–105
Haemoglobin12.8–16.611.5–16.911.5–15.712.2–16.911.5–16.9
Creatinine0.7–1.30.8–1.20.8–1.30.7–1.30.7–1.3

All patients had completed primary therapy a minimum of 6 weeks prior to enrollment in the vaccine study.