Placebo [clinicaltrials_resource:NCT00413283/group/E1]

Participants received a placebo subcutaneous injection on Day 2 of each chemotherapy cycle. Chemotherapy consisted of 21-day cycles of gemcitabine/carboplatin (gemcitabine and carboplatin on Day 1 and gemcitabine again on Day 8) or 21-day cycles of gemcitabine/cisplatin (gemcitabine and cisplatin on Day 1 and gemcitabine again on Day 8), up to a maximum of 5 cycles administered according to standard institutional practice.

Placebo [clinicaltrials_resource:NCT00413283/group/E1]

Participants received a placebo subcutaneous injection on Day 2 of each chemotherapy cycle. Chemotherapy consisted of 21-day cycles of gemcitabine/carboplatin (gemcitabine and carboplatin on Day 1 and gemcitabine again on Day 8) or 21-day cycles of gemcitabine/cisplatin (gemcitabine and cisplatin on Day 1 and gemcitabine again on Day 8), up to a maximum of 5 cycles administered according to standard institutional practice.