To compare the effectiveness of gabapentin with aprepitant in the control of delayed nausea & vomiting associated with level 3, 4 or 5 emetogenic chemotherapy in pts who experienced delayed nausea and/or vomiting during their first cycle of chemotherapy. 1 month [clinicaltrials_resource:64caf82d43c7388115f7d5b4c49ef510]

Gabapentin 300mg PO QHS day -2; 300mg PO BID day -1; 300mg PO TID days 0 through +5.

To compare the effectiveness of gabapentin with aprepitant in the control of delayed nausea & vomiting associated with level 3, 4 or 5 emetogenic chemotherapy in pts who experienced delayed nausea and/or vomiting during their first cycle of chemotherapy. 1 month [clinicaltrials_resource:64caf82d43c7388115f7d5b4c49ef510]

Gabapentin 300mg PO QHS day -2; 300mg PO BID day -1; 300mg PO TID days 0 through +5.