Polycythemia vera

Section editor
	Sanjay R. Mohan, MD, MSCI Vanderbilt University Nashville, TN

10 regimens on this page 11 variants on this page

Guidelines

ELN

• 2011: Philadelphia-negative classical myeloproliferative neoplasms: critical concepts and management recommendations from European LeukemiaNet

ESMO

• 2015: Vannucchi et al. Philadelphia chromosome-negative chronic myeloproliferative neoplasms: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up

"How I Treat"

• 2014: Vannucchi AM. How I treat polycythemia vera. Blood. 2014 Nov 20;124(22):3212-20. Epub 2014 Oct 2. link to original article PubMed

NCCN

• NCCN Guidelines - Myeloproliferative Neoplasms

First-line therapy

Aspirin monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Landolfi et al. 2004 (ECLAP)	1998-2000	Phase III (E-esc)	Placebo	Seems to have superior combined outcome

Anticoagulation

• Aspirin 100 mg PO once per day

Continued indefinitely

References

1. ECLAP: Landolfi R, Marchioli R, Kutti J, Gisslinger H, Tognoni G, Patrono C, Barbui T; European Collaboration on Low-Dose Aspirin in Polycythemia Vera Investigators. Efficacy and safety of low-dose aspirin in polycythemia vera. N Engl J Med. 2004 Jan 8;350(2):114-24. link to original article PubMed

Hydroxyurea monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Najean et al. 1997 (FPSG)	1980-NR	Phase III (E-switch-ic)	Pipobroman	Superior OS1
Marchioli et al. 2012 (CYTO-PV)	2008-2012	Phase III (E-esc)	Less strict hematocrit goal	Superior primary endpont
Gisslinger et al. 2020 (PROUD-PV)	2013-2015	Phase III (C)	Ropeginterferon alfa-2b	Seems to have non-inferior composite endpoint

¹Reported efficacy for FPSG is based on the 2011 update.
The following is the approach recommended by Vannucchi in How I Treat (2014).

Chemotherapy

• Hydroxyurea (Hydrea) 500 mg PO twice per day, with titration based on the target hematocrit and hematologic toxicity

Continued indefinitely

References

1. FPSG: Najean Y, Rain JD. Treatment of polycythemia vera: the use of hydroxyurea and pipobroman in 292 patients under the age of 65 years. Blood. 1997 Nov 1;90(9):3370-7. link to original article PubMed
   1. Update: Kiladjian JJ, Chevret S, Dosquet C, Chomienne C, Rain JD. Treatment of polycythemia vera with hydroxyurea and pipobroman: final results of a randomized trial initiated in 1980. J Clin Oncol. 2011 Oct 10;29(29):3907-13. Epub 2011 Sep 12. link to original article PubMed
2. CYTO-PV: Marchioli R, Finazzi G, Specchia G, Cacciola R, Cavazzina R, Cilloni D, De Stefano V, Elli E, Iurlo A, Latagliata R, Lunghi F, Lunghi M, Marfisi RM, Musto P, Masciulli A, Musolino C, Cascavilla N, Quarta G, Randi ML, Rapezzi D, Ruggeri M, Rumi E, Scortechini AR, Santini S, Scarano M, Siragusa S, Spadea A, Tieghi A, Angelucci E, Visani G, Vannucchi AM, Barbui T; CYTO-PV Collaborative Group. Cardiovascular events and intensity of treatment in polycythemia vera. N Engl J Med. 2013 Jan 3;368(1):22-33. Epub 2012 Dec 8. link to original article PubMed NCT01645124
3. PROUD-PV: Gisslinger H, Klade C, Georgiev P, Krochmalczyk D, Gercheva-Kyuchukova L, Egyed M, Rossiev V, Dulicek P, Illes A, Pylypenko H, Sivcheva L, Mayer J, Yablokova V, Krejcy K, Grohmann-Izay B, Hasselbalch HC, Kralovics R, Kiladjian JJ; PROUD-PV Study Group. Ropeginterferon alfa-2b versus standard therapy for polycythaemia vera (PROUD-PV and CONTINUATION-PV): a randomised, non-inferiority, phase 3 trial and its extension study. Lancet Haematol. 2020 Mar;7(3):e196-e208. Epub 2020 Jan 31. link to original article PubMed EudraCT 2012-005259-18

Placebo

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Landolfi et al. 2004 (ECLAP)	1998-2000	Phase III (C)	Aspirin	Seems to have superior combined outcome

No active treatment.

References

1. ECLAP: Landolfi R, Marchioli R, Kutti J, Gisslinger H, Tognoni G, Patrono C, Barbui T; European Collaboration on Low-Dose Aspirin in Polycythemia Vera Investigators. Efficacy and safety of low-dose aspirin in polycythemia vera. N Engl J Med. 2004 Jan 8;350(2):114-24. link to original article PubMed

Relapsed, refractory, or intolerant

Anagrelide monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (C)	Ruxolitinib	Inferior disease control

To be completed

Anticoagulation

• Anagrelide (Agrylin)

References

1. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed

Hydroxyurea monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (C)	Ruxolitinib	Inferior disease control

The following is the approach recommended by Vannucchi in How I Treat (2014).

Chemotherapy

• Hydroxyurea (Hydrea) 500 mg PO twice per day, with titration based on the target hematocrit and hematologic toxicity

Continued indefinitely

References

1. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed

Lenalidomide monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (C)	Ruxolitinib	Inferior disease control

To be completed

Targeted therapy

• Lenalidomide (Revlimid)

References

1. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed

Peginterferon alfa-2a monotherapy

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Regimen variant #1, 45 mcg starting dose

Study	Years of enrollment	Evidence
Yacoub et al. 2019 (MPD-RC-111)	2012-2015	Phase II

Immunotherapy

• Peginterferon alfa-2a (Pegasys) 45 mcg SC once per day on days 1, 8, 15, 22
  • Titrated up by 45 mcg every month in the absence of toxicity to goal dose of 180 mcg

28-day cycles

Regimen variant #2, 90 mcg starting dose

Study	Years of enrollment	Evidence
Kiladjian et al. 2008 (PVN1)	2004-2005	Phase II
Quintás-Cardama et al. 2009 (MDACC DM03-0109)	2005-2009	Phase II

Quintás-Cardama et al. 2009 does not provide guidance on dose escalation or target dosing. Kiladjian et al. 2008 does not provide details on the dose escalation procedure.

Immunotherapy

• Peginterferon alfa-2a (Pegasys) 90 mcg SC once per day on days 1, 8, 15, 22
  • Titrated up every two weeks in the absence of toxicity to 135 mcg SC once per day on days 1, 8, 15, 22
  • In the absence of hematologic response, dose increased to 180 mcg SC once per day on days 1, 8, 15, 22

Supportive medications

• Aspirin 100 mg PO once per day unless intolerant (Kiladjian et al. 2008)

28-day cycles

References

1. PVN1: Kiladjian JJ, Cassinat B, Chevret S, Turlure P, Cambier N, Roussel M, Bellucci S, Grandchamp B, Chomienne C, Fenaux P. Pegylated interferon-alfa-2a induces complete hematologic and molecular responses with low toxicity in polycythemia vera. Blood. 2008 Oct 15;112(8):3065-72. Epub 2008 Jul 23. link to original article contains verified protocol PubMed NCT00241241
2. MDACC DM03-0109: Quintás-Cardama A, Kantarjian H, Manshouri T, Luthra R, Estrov Z, Pierce S, Richie MA, Borthakur G, Konopleva M, Cortes J, Verstovsek S. Pegylated interferon alfa-2a yields high rates of hematologic and molecular response in patients with advanced essential thrombocythemia and polycythemia vera. J Clin Oncol. 2009 Nov 10;27(32):5418-24. Epub 2009 Oct 13. link to original article contains protocol link to PMC article PubMed NCT00452023
   1. Update: Quintás-Cardama A, Abdel-Wahab O, Manshouri T, Kilpivaara O, Cortes J, Roupie AL, Zhang SJ, Harris D, Estrov Z, Kantarjian H, Levine RL, Verstovsek S. Molecular analysis of patients with polycythemia vera or essential thrombocythemia receiving pegylated interferon α-2a. Blood. 2013 Aug 8;122(6):893-901. Epub 2013 Jun 19. link to original article link to PMC article PubMed
   2. Update: Masarova L, Patel KP, Newberry KJ, Cortes J, Borthakur G, Konopleva M, Estrov Z, Kantarjian H, Verstovsek S. Pegylated interferon alfa-2a in patients with essential thrombocythaemia or polycythaemia vera: a post-hoc, median 83 month follow-up of an open-label, phase 2 trial. Lancet Haematol. 2017 Apr;4(4):e165-e175. Epub 2017 Mar 10. link to original article link to PMC article PubMed
3. MPD-RC-111: Yacoub A, Mascarenhas J, Kosiorek H, Prchal JT, Berenzon D, Baer MR, Ritchie E, Silver RT, Kessler C, Winton E, Finazzi MC, Rambaldi A, Vannucchi AM, Leibowitz D, Rondelli D, Arcasoy MO, Catchatourian R, Vadakara J, Rosti V, Hexner E, Kremyanskaya M, Sandy L, Tripodi J, Najfeld V, Farnoud N, Papaemmanuil E, Salama M, Singer-Weinberg R, Rampal R, Goldberg JD, Barbui T, Mesa R, Dueck AC, Hoffman R. Pegylated interferon alfa-2a for polycythemia vera or essential thrombocythemia resistant or intolerant to hydroxyurea. Blood. 2019 Oct 31;134(18):1498-1509. link to original article contains verified protocol link to PMC article PubMed NCT01259856

Pipobroman monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (C)	Ruxolitinib	Inferior disease control

To be completed for historical reference

Chemotherapy

• Pipobroman (Vercyte)

References

1. Review: Passamonti F, Lazzarino M. Treatment of polycythemia vera and essential thrombocythemia: the role of pipobroman. Leuk Lymphoma. 2003 Sep;44(9):1483-8. link to original article PubMed
2. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed

Ruxolitinib monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Verstovsek et al. 2014 (INCB18424-256)	2008-NR	Phase II
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (E-RT-switch-ooc)	Standard therapy	Superior disease control
Passamonti et al. 2016 (RESPONSE-2)	2014-2015	Phase III (E-switch-ooc)	Standard therapy	Superior disease control

There were several doses evaluated in INCB18424-256; the median total daily dose was 21.7 mg corresponding to approximately 10 mg PO twice per day. The most common comparator in RESPONSE and RESPONSE-2 was hydroxyurea.

Targeted therapy

• Ruxolitinib (Jakafi) 10 mg PO twice per day

Continued indefinitely

References

1. INCB18424-256: Verstovsek S, Passamonti F, Rambaldi A, Barosi G, Rosen PJ, Rumi E, Gattoni E, Pieri L, Guglielmelli P, Elena C, He S, Contel N, Mookerjee B, Sandor V, Cazzola M, Kantarjian HM, Barbui T, Vannucchi AM. A phase 2 study of ruxolitinib, an oral JAK1 and JAK2 Inhibitor, in patients with advanced polycythemia vera who are refractory or intolerant to hydroxyurea. Cancer. 2014 Feb 15;120(4):513-20. link to original article contains verified protocol link to PMC article PubMed content property of HemOnc.org NCT00726232
2. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed
3. RESPONSE-2: Passamonti F, Griesshammer M, Palandri F, Egyed M, Benevolo G, Devos T, Callum J, Vannucchi AM, Sivgin S, Bensasson C, Khan M, Mounedji N, Saydam G. Ruxolitinib for the treatment of inadequately controlled polycythaemia vera without splenomegaly (RESPONSE-2): a randomised, open-label, phase 3b study. Lancet Oncol. 2017 Jan;18(1):88-99. Epub 2016 Dec 2. link to original article contains protocol PubMed NCT02038036

Thalidomide monotherapy

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Regimen

Study	Years of enrollment	Evidence	Comparator	Comparative Efficacy
Vannucchi et al. 2015 (RESPONSE)	2010-2013	Phase III (C)	Ruxolitinib	Inferior disease control

To be completed

Targeted therapy

• Thalidomide (Thalomid)

References

1. RESPONSE: Vannucchi AM, Kiladjian JJ, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Mesa R, He S, Jones MM, Garrett W, Li J, Pirron U, Habr D, Verstovsek S. Ruxolitinib versus standard therapy for the treatment of polycythemia vera. N Engl J Med. 2015 Jan 29;372(5):426-35. link to original article contains verified protocol link to PMC article PubMed NCT01243944
   1. Update: Verstovsek S, Vannucchi AM, Griesshammer M, Masszi T, Durrant S, Passamonti F, Harrison CN, Pane F, Zachee P, Kirito K, Besses C, Hino M, Moiraghi B, Miller CB, Cazzola M, Rosti V, Blau I, Mesa R, Jones MM, Zhen H, Li J, Francillard N, Habr D, Kiladjian JJ. Ruxolitinib versus best available therapy in patients with Polycythemia Vera: 80 Week follow up from the RESPONSE trial. Haematologica. 2016 Jul;101(7):821-9. Epub 2016 Apr 21. link to original article link to PMC article PubMed
   2. Update: Kiladjian JJ, Zachee P, Hino M, Pane F, Masszi T, Harrison CN, Mesa R, Miller CB, Passamonti F, Durrant S, Griesshammer M, Kirito K, Besses C, Moiraghi B, Rumi E, Rosti V, Blau IW, Francillard N, Dong T, Wroclawska M, Vannucchi AM, Verstovsek S. Long-term efficacy and safety of ruxolitinib versus best available therapy in polycythaemia vera (RESPONSE): 5-year follow up of a phase 3 study. Lancet Haematol. 2020 Jan 23:S2352-3026(19)30207-8. [Epub ahead of print] link to original article PubMed

Response criteria

ELN

• 2009: Response criteria for essential thrombocythemia and polycythemia vera: result of a European LeukemiaNet consensus conference