Annals of Hematology

, Volume 91, Issue 1, pp 39–46 | Cite as

Treatment of myelodysplastic syndromes with excess of blasts by bevacizumab is well tolerated and is associated with a decrease of VEGF plasma level

  • Laurence LegrosEmail author
  • Bohrane Slama
  • Jean-Michel Karsenti
  • Norbert Vey
  • Shanti Natarajan-Amé
  • Eric Watel
  • Bruno Richard
  • Krimo Bouabdallah
  • Lionel Mannone
  • Maxime Benchetrit
  • Irit Touitou
  • Sébastien Huault
  • Jérome Durivault
  • Damien Ambroseti
  • Anne-Odile Hueber
  • Pierre Fenaux
  • Francois Dreyfus
  • on behalf the Groupe Francophone des Myélodysplasies (GFM)
Original Article


Myelodysplastic syndromes (MDS) are associated with increased bone marrow vascularity and increased levels of various angiogenic factors including Vascular Endothelial Growth Factor (VEGF) which is implicated in the proliferation and survival of leukemic cells. Before the approval of hypomethylating agents in this indication, the GFM conducted a multicenter phase II trial testing the efficacy and tolerance of bevacizumab, a humanized monoclonal antibody against VEGF, in MDS with excess of marrow blasts and its impact on bone marrow angiogenesis. Twenty-one patients were enrolled (16 males and five females) with a median age of 70 years and 19 were evaluable for haematological response after treatment (5 mg/kg IV every 2 weeks for 12 weeks). WHO diagnosis at baseline was RAEB-1 (38%) and RAEB-2 (62%). Treatment was well tolerated and was associated with significant decrease of VEGF plasma level [median (low quartile–high quartile)] from 65.5 pg/ml [LQ (low-quartile)–HQ (high quartile), 35.3–87.3 to 30.4 pg/ml (LQ–HQ, 22.5–34.0 pg/ml)] (p < 0.01) and reduction of bone marrow angiogenesis from a median of 20 vessels/mm3 (LQ–HQ, 16.5–33 vessels/mm3) to 15.5 vessels/mm3 (LQ–HQ, 10–23.2 vessels/mm3) (p = 0.03). On the other hand, only one patient had a significant haematological response with achievement of RBC transfusion independence. Thus, although bevacizumab had a significant impact on VEGF levels and angiogenesis in our patients, very few responses were seen when this drug was used as single agent. Given its good tolerability profile, however, combination of bevacizumab with other drugs, especially hypomethylating agents, could be considered in MDS.


MDS VEGF Bevacizumab 



The authors would like to thank Pr Jean-Francois Michiels and Philippe Lenormand for technical assistance and Nathalie Varoqueaux from Roche for supporting this work.


The trial was sponsored by Roche Ltd, Paris, France. This work was supported by institutional funds from promotion permanente, CHU de Nice.


LL, FD and PF wrote the paper. LL was the principal investigator and takes primary responsibility for the paper. SH and JD performed the laboratory work for this study. BS, JMK, NB, SNA, EW, BR, CB and LM enrolled patients and collected data. IT monitored the clinical trial. MB and LL analyzed bone marrow biopsies. AOH made substantial contributions, critically reviewed and approved the final version of the report. JPC critically reviewed and approved the final version of the report.


Dr. L Legros has been on a board from Roche France Pharmaceuticals.


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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Laurence Legros
    • 1
    • 2
    • 12
    Email author
  • Bohrane Slama
    • 3
  • Jean-Michel Karsenti
    • 1
  • Norbert Vey
    • 4
  • Shanti Natarajan-Amé
    • 5
  • Eric Watel
    • 6
  • Bruno Richard
    • 7
  • Krimo Bouabdallah
    • 8
  • Lionel Mannone
    • 1
  • Maxime Benchetrit
    • 9
  • Irit Touitou
    • 1
  • Sébastien Huault
    • 2
  • Jérome Durivault
    • 2
  • Damien Ambroseti
    • 9
  • Anne-Odile Hueber
    • 2
  • Pierre Fenaux
    • 10
  • Francois Dreyfus
    • 11
  • on behalf the Groupe Francophone des Myélodysplasies (GFM)
  1. 1.Service d’hématologie cliniqueHôpital de l’ArchetNiceFrance
  2. 2.CNRS UMR 6543, Université de Nice Sophia-Antipolis, Institute of Developmental Biology and Cancer ResearchNiceFrance
  3. 3.Service de Médecine Interne Onco-hématologie et maladies infectieusesCH d’AvignonFrance
  4. 4.Institut Paoli CalmetteMarseilleFrance
  5. 5.Hôpital HautepierreStrasbourgFrance
  6. 6.Hôpital Edouard HerriotLyonFrance
  7. 7.CH NîmesNimesFrance
  8. 8.Hôpital Haut-LévèquePessacFrance
  9. 9.Service d’Anatomie-PathologiqueCHU de NiceNiceFrance
  10. 10.Hôpital Avicenne (Assistance Publique Hôpitaux de Paris)/Paris 13 UniversityBobignyFrance
  11. 11.Service d’HématologieHôpital Cochin, (Assistance Publique Hôpitaux de Paris)ParisFrance
  12. 12.Department of HematologyArchet 1 HospitalNice Cedex 3France

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