Myelofibrosis - null regimens

The purpose of this page is to provide references to "null therapy" such as placebo and observation. These references provide further insight into the historical development of the treatment landscape. See the main myelofibrosis page for regimens that include active anticancer treatment.

All lines of therapy

Placebo

Regimen

Study	Dates of enrollment	Evidence	Comparator	Comparative Efficacy
Verstovsek et al. 2012 (COMFORT-I)	2009-09 to 2010-04	Phase 3 (C)	Ruxolitinib	Seems to have inferior OS1
Tefferi et al. 2016 (RESUME)	2010-2012	Phase 3 (C)	Pomalidomide	Did not meet primary endpoint of RBC-transfusion independence within 6 mo
Pardanani et al. 2015 (JAKARTA)	2011-12 to 2012-09	Phase 3 (C)	1. Fedratinib; 400 mg/d 2. Fedratinib; 500 mg/d	Inferior RR

¹Reported efficacy for COMFORT-I is based on the 2017 update.
No active treatment.

References

1. COMFORT-I: Verstovsek S, Mesa RA, Gotlib J, Levy RS, Gupta V, DiPersio JF, Catalano JV, Deininger M, Miller C, Silver RT, Talpaz M, Winton EF, Harvey JH Jr, Arcasoy MO, Hexner E, Lyons RM, Paquette R, Raza A, Vaddi K, Erickson-Viitanen S, Koumenis IL, Sun W, Sandor V, Kantarjian HM. A double-blind, placebo-controlled trial of ruxolitinib for myelofibrosis. N Engl J Med. 2012 Mar 1;366(9):799-807. link to original article supplementary appendix trial protocol link to PMC article PubMed NCT00952289
   1. Update: Verstovsek S, Mesa RA, Gotlib J, Levy RS, Gupta V, DiPersio JF, Catalano JV, Deininger MW, Miller CB, Silver RT, Talpaz M, Winton EF, Harvey JH, Arcasoy MO, Hexner EO, Lyons RM, Paquette R, Raza A, Vaddi K, Erickson-Viitanen S, Sun W, Sandor V, Kantarjian HM. Efficacy, safety and survival with ruxolitinib treatment in patients with myelofibrosis: results of a median 2-year follow-up of COMFORT-I. Haematologica. 2013 Dec;98(12):1865-71. Epub 2013 Sep 13. link to original article link to PMC article PubMed
   2. Update: Verstovsek S, Mesa RA, Gotlib J, Levy RS, Gupta V, DiPersio JF, Catalano JV, Deininger MW, Miller CB, Silver RT, Talpaz M, Winton EF, Harvey JH, Arcasoy MO, Hexner EO, Lyons RM, Raza A, Vaddi K, Sun W, Peng W, Sandor V, Kantarjian H. Three-year efficacy, overall survival, and safety of ruxolitinib therapy in patients with myelofibrosis from the COMFORT-I study. Haematologica. 2015 Apr;100(4):479-88. Epub 2015 Jan 23. link to original article link to PMC article PubMed
   3. Pooled update: Vannucchi AM, Kantarjian HM, Kiladjian JJ, Gotlib J, Cervantes F, Mesa RA, Sarlis NJ, Peng W, Sandor V, Gopalakrishna P, Hmissi A, Stalbovskaya V, Gupta V, Harrison C, Verstovsek S; COMFORT Investigators. A pooled analysis of overall survival in COMFORT-I and COMFORT-II, 2 randomized phase III trials of ruxolitinib for the treatment of myelofibrosis. Haematologica. 2015 Sep;100(9):1139-45. Epub 2015 Jun 11. link to original article link to PMC article PubMed
   4. Update: Verstovsek S, Mesa RA, Gotlib J, Gupta V, DiPersio JF, Catalano JV, Deininger MW, Miller CB, Silver RT, Talpaz M, Winton EF, Harvey JH Jr, Arcasoy MO, Hexner EO, Lyons RM, Paquette R, Raza A, Jones M, Kornacki D, Sun K, Kantarjian H; COMFORT-I investigators. Long-term treatment with ruxolitinib for patients with myelofibrosis: 5-year update from the randomized, double-blind, placebo-controlled, phase 3 COMFORT-I trial. J Hematol Oncol. 2017 Feb 22;10(1):55. link to original article link to PMC article PubMed
2. JAKARTA: Pardanani A, Harrison C, Cortes JE, Cervantes F, Mesa RA, Milligan D, Masszi T, Mishchenko E, Jourdan E, Vannucchi AM, Drummond MW, Jurgutis M, Kuliczkowski K, Gheorghita E, Passamonti F, Neumann F, Patki A, Gao G, Tefferi A. Safety and efficacy of fedratinib in patients with primary or secondary myelofibrosis: A randomized clinical trial. JAMA Oncol. 2015 Aug 1;1(5):643-51. link to original article PubMed NCT01437787
3. RESUME: Tefferi A, Al-Ali HK, Barosi G, Devos T, Gisslinger H, Jiang Q, Kiladjian JJ, Mesa R, Passamonti F, McMullin MF, Ribrag V, Schiller G, Vannucchi AM, Zhou D, Reiser D, Zhong J, Gale RP. A randomized study of pomalidomide vs placebo in persons with myeloproliferative neoplasm-associated myelofibrosis and RBC-transfusion dependence. Leukemia. 2017 Apr;31(4):896-902. Epub 2016 Oct 24. link to original article link to PMC article PubMed NCT01178281