By David Wallace – Patient perspective | September 25, 2026 The established polycythemia vera hematocrit target is below 45%. That goal lowers the risk of serious blood clots and cardiovascular death. It does not necessarily mean symptom relief. I learned that the hard way. My circulation-related symptoms often started around 42%, well before I hit the […]
Divesiran Cuts Phlebotomy Need in Phase 2 PV Trial
By David Wallace Silence Therapeutics reported that divesiran met the primary endpoint of the randomized Phase 2 SANRECO trial. Among 48 phlebotomy-dependent polycythemia vera patients, 88% of those receiving divesiran maintained hematocrit below 45% without phlebotomy during weeks 18 through 36, compared with 19% on placebo. The difference was statistically significant. What the Phase 2 […]
Rusfertide Cuts Phlebotomies by 77% in Polycythemia Vera
by David Wallace Key Points Rusfertide achieved clinical response in 77% of patients compared to 33% with placebo in the Phase 3 VERIFY trial The drug significantly reduced the number of blood draws needed each year and decreased PV-related symptoms Rusfertide maintained hematocrit levels below 45% and reduced or eliminated the need for phlebotomy Safety […]
MPN Specialist Explains PTG-300 and Clinical Trial for PV Patients
by David Wallace Hepcidin Mimetic PTG-300 Promising Treatment for PV How does PTG-300 work to reduce or eliminate the need for phlebotomy in PV? How does iron deficiency play a role in polycythemia vera? What are the goals of this treatment? Leading MPN expert, Dr. Srdan Verstovsek, from MD Anderson Cancer Center, interviews with David […]




