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1646           Part XI:  Malignant Lymphoid Diseases                                                                                                                                  Chapter 99:  Follicular Lymphoma           1647





                TABLE 99–2.  Selected Randomized Studies of Chemotherapy Alone Versus Rituximab Plus Chemotherapy for First-Line
                Therapy of Follicular Lymphoma
                             Treatment, No. of  Median Followup                    Median TTP/TTF/EFS
                Study        Patients        (Months)        ORR (%)     CR (%)    (Months)            OS (%)
                Marcus 45    CVP, 159        53              57          10        15                  77
                             R-CVP, 162                      81          41        34                  83
                                                                                   p <0.0001           p  = 0.0290
                Hiddemann 46  CHOP, 205      18              90          17        29                  74
                             R-CHOP, 223                     96          20        NR                  87
                                                                                   p <0.001            p = 0.016
                Herold 47    MCP, 96         47              75          25        26                  74
                             R-MCP, 105                      92          50        NR                  87
                                                                                   p <0.0001           p = 0.0096
                Bachy 43     CHVP-IFN, 183   100             73          63        34                  69
                             R-CHVP-IFN, 175                 84          79        66                  78 at 8 years
                                                                                   p = 0.0004          p = 0.076
                Hochster 44  CVP, 158        36              82          22        16                  92
                             CVP + rituximab                 86          37        59                  86 at 3 years
                             maintenance, 153
                                                                                   P = 4.4 × 10 −10    p = 0.05 one sided

               CR, complete response; CHOP, cyclophosphamide, doxorubicin, vincristine, prednisone; CHVP, cyclophosphamide, doxorubicin, teniposide,
               prednisone; CVP, cyclophosphamide, vincristine, prednisone; EFS, event-free survival; IFN, interferon; MCP, mitoxantrone, chlorambucil, predni-
               sone; ORR, overall response rate; OS, overall survival; R, rituximab; TTF, time to treatment failure; TTP, time to progression.



               (CLL) (but not FL). “Biosimilar” CD20 antibodies will also soon be   cyclophosphamide,  vincristine,  and  prednisone  (R-CVP)  was  com-
               available as an alternative to rituximab.              pared to eight cycles of CVP without rituximab in 321 patients with
                                                                      newly diagnosed FL (Fig. 99–4).  R-CVP was superior to CVP alone
                                                                                              48
               Rituximab Plus Chemotherapy                            in terms of ORR (81 percent vs. 57 percent), CR rate (41 percent vs.
               The  introduction  of  rituximab  into  treatment  protocols  for  FL  has   10 percent), time to progression (34 months vs. 15 months), time to
               revolutionized the management of this disease. Multiple randomized,   treatment failure (27 months vs. 7 months), and OS (83 percent vs.
               controlled clinical trials have documented the superiority of combin-  77 percent at 4 years, p = 0.029).  Similarly, R-CHOP was compared to
                                                                                             45
               ing rituximab with chemotherapy compared to the use of chemother-  CHOP for first-line treatment of 428 patients with advanced stage FL.
               apy alone in terms of overall response rates (ORRs), complete response   R-CHOP exhibited a superior ORR (96 percent vs. 90 percent), time
               (CR) rates, event-free survival (EFS), PFS, and OS (Table 99–2). 43–47  In   to treatment failure (p <0.001), duration of response (p = 0.001), and
               one study, induction therapy consisting of eight cycles of rituximab,   OS (p = 0.016) compared to CHOP alone.  Similar benefits have also
                                                                                                     46

                  1.0                                                         Figure 99–4.  Time to disease progression, relapse, or
                  1.9                                                         death after  a median followup of 30 months  among 321
                                                                              patients with grade 1 or 2 follicular lymphoma assigned
                  0.8                                R–CVP: median 32 months  to  chemotherapy  with  CVP  (cyclophosphamide,  vincris-
                 Event-free probability  0.6                                  phamide, vincristine, prednisone). Solid line represents CVP;
                  0.7
                                                                              tine, prednisone) or with R-CVP (rituximab plus cyclophos-
                                                                              dotted line, R-CVP. (Reproduced with permission from Marcus R,
                  0.5
                                                                              Imrie K, Belch A, et al: CVP chemotherapy plus rituximab com-
                  0.4
                                                                              pared with CVP as first-line treatment for advanced follicular
                  0.3
                      Log-rank p-values
                  0.2
                      Without stratification by center: p < 0.0001            lymphoma. Blood 105(4):1417–1423, 2005.)
                  0.1  With stratification by center: p < 0.0001  CVP: median 15 months
                    0
                     0   3  6   9  12  15  18  21  24  27  30  33  36  39  42  45
                                            Study month
               Patients at risk:
                    CVP
                    159  140  129  109  87   75   64   58   46   28   21   12   5    0    0    0
                    R-CVP
                    162  156  144  140  131  119   111   106  95   68   50   32   20   10   2    0






          Kaushansky_chapter 99_p1641-1652.indd   1646                                                                  9/18/15   3:57 PM
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