<qa>  How many patients receive escalating doses of flavopiridol until theCohorts of 3-6 patients receive escalating doses of flavopiridol until the maximum tolerated dose MTD is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity. After the MTD is determined, 12 additional patients are accrued and treated as above at the recommended phase II dose. 