EPOCH-DA

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Regimen

R-EPOCH-DA: Dose Adjusted EPOCH Regimen, Dunleavy, et al. 2013

Rituximab 375 mg/m2 IV over 3 hours once on day 1
Etoposide 50 mg/m2/day IV continuous infusion over 96 hours on days 1 to 4 (total dose per cycle: 200 mg/m2)
Prednisolone 60 mg/m2 PO BID on days 1 to 5
Vincristine  0.4 mg/m2/day IV continuous infusion over 96 hours on days 1 to 4 (total dose per cycle: 1.6 mg/m2)
Doxorubicin 10 mg/m2/day IV continuous infusion over 96 hours on days 1 to 4 (total dose per cycle: 40 mg/m2)
Cyclophosphamide 750 mg/m2 IV over 2 hours once on day 5

21-day cycles x 6 to 8 cycles

Supportive medications

Filgrastim (Neupogen) 300 mcg sc once per day, starting on day 6 and continuing until ANC > 5,000/uL past nadir
Trimethoprim/Sulfamethoxazole (Bactrim DS) 160/800 mg (or equivalent if allergic) PO once per day on 3 days per week

Dose adjustments

Start cycle 1 as described above.
Obtain CBCs twice per week for nadir measurements.
If nadir ANC >500, increase etoposide, doxorubicin, and cyclophosphamide by one level (20%) compared to previous cycle.
If nadir ANC <500, use same doses as last cycle.
If nadir platelet count <25,000, decrease etoposide, doxorubicin, and cyclophosphamide by 20% compared to the previous cycle.

References

Wilson WH, Dunleavy K, Pittaluga S, Hegde U, Grant N, Steinberg SM, Raffeld M, Gutierrez M, Chabner BA, Staudt L, Jaffe ES, Janik JE. Phase II study of dose-adjusted EPOCH and rituximab in untreated diffuse large B-cell lymphoma with analysis of germinal center and post-germinal center biomarkers. J Clin Oncol. 2008 Jun 1;26(16):2717-24. link
Dunleavy K, Pittaluga S, Maeda LS, Advani R, Chen CC, Hessler J, Steinberg SM, Grant C, Wright G, Varma G, Staudt LM, Jaffe ES, Wilson WH. Dose-adjusted EPOCH-rituximab therapy in primary mediastinal B-cell lymphoma. N Engl J Med. 2013 Apr 11;368(15):1408-16. doi: 10.1056/NEJMoa1214561. link