Tag Archives: transplant

Donor Source Does Not Impact Survival for HCT in Myelofibrosis

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Vicki Moore, PhD

For patients with myelofibrosis (MF) who received hematopoietic cell transplantation (HCT), a study showed that overall survival (OS) outcomes at 3 months were similar whether haploidentical or matched unrelated donor (MUD) HCT was used. Study results were published in the journal Blood Advances.

The study was based on data obtained from the Center for International Blood and Marrow Transplant Research (CIBMTR) registry. This analysis of donor trends included data for adults in the registry who received an initial HCT between January 2013 and December 2019 for primary or post-essential thrombocythemia or post-polycythemia vera MF. The study’s primary endpoint was OS.

There were 1597 HCTs identified over the study period. Among these, in 2013 there were 117 HCTs performed, while in 2019 this number had risen to 371. Additionally, the proportion of HCTs that involved haploidentical donors rose from 3% of total HCTs in 2013 to 19% in 2019.

Overall, 1032 patients met eligibility criteria for inclusion in further analyses for this study. Patients whose HCT involved mismatched unrelated donors (MMUDs; 64 patients) had a median age at HCT of 59.3 years, while patients with matched sibling donors (MSDs; 298 patients) had a median age at HCT of 61.4 years, patients with haploidentical donors had a median age of 62.5 years (119 patients), and patients with MUDs had a median age of 63 years (551 patients).

The median follow-up period was 46.5 months (range, 3.7-99.7) in this study. In univariate analyses, the 3-year OS rates were estimated to be 68.8% (95% CI, 63.3-74.1) for recipients of MSD-HCT, 59% (95% CI, 49.7-67.9) for recipients of haploidentical HCT, 61.3% (95% CI, 57.1-65.4) for recipients of MUD-HCT, and 55.2% (95% CI, 42.7-67.4) for recipients of MMUD-HCT (P =.03).

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Allogeneic HSCT for Myelofibrosis: What to Know as More Patients Receive Treatment

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June 25, 2024

Due to new transplant approaches, allogeneic hematopoietic stem cell transplant (HSCT) is now perceived as a safer therapeutic option in patients with myelofibrosis, even among older patients. Authors of a review published in the American Journal of Hematology emphasized the crucial role of early consideration and implementation of HSCT in improving clinical outcomes in this patient population.

Despite the approval of new therapies and “various other exciting non-transplant treatments in development, allogeneic HSCT remains at present the only curative therapy for patients with myelofibrosis,” wrote coauthors Haris Ali, MD, and Andrea Bacigalupo, MD.

The challenges associated with treating myelofibrosis include transplant-related mortality and the risk for relapse after HSCT. The authors aimed to provide a comprehensive review of current clinical data, new transplant platforms, and clinical updates, which can enhance patient outcomes.

“The number of patients undergoing an allogeneic HSCT annually is steadily increasing,” Dr. Ali and Dr. Bacigalupo wrote. “This reflects the fact that HSCT has become safer with the reduction in non-relapse mortality over the years, making the choice of an HSCT more attractive among hematologists caring for [patients with myeloproliferative neoplasms].”

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A Patient Story: The decision to get a Stem Cell Transplant

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Parachuting from a Crippled Plane

 

By Dave D.

My daughter came to Ohio to provide support to me and my wife during my recent stem cell transplant (SCT). In explaining the process to her I used the analogy of parachuting from a crippled airplane and she found it very helpful. I hope that this analogy might also help others understand my experience. Like with parachuting, there are risks there are steps to take. Each step is a small victory, but the ultimate victory is landing safely.

When I was diagnosed with Primary Myelofibrosis in 2013, it became clear that my high-flying airplane (my body) had a problem. It was still possible that it could fly on for years with relatively few problems, but we needed to keep an eye on it. Medications like Jakafi and Inrebic made the flight a bit more pleasant, but blood counts and bone marrow biopsies indicated that we were losing altitude.

This December I realized through consultation with Dr. Aaron Gerds from the Cleveland Clinic that the plane’s problems were becoming unmanageable. I was now High Risk and I was headed for a fatal crash sooner rather than later. It was difficult to say just how long it would take – but our calculator (MIPPS70) predicted about 5 years – give or take.

At that point I needed to decide whether I would take the risks involved in jumping out of the plane or choose to die in the crash. In consultation with my dear wife and my medical team and with the prayers of my friends and family we considered my options. I decided to make the jump.

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Some people cannot find a good donor match – or they have physical problems that would make SCT pointless. But in my case, everything appeared promising. The team at the Cleveland Clinic put me through tests that showed I was relatively fit. They found multiple 10/10 unrelated donor matches for me. We received necessary insurance approvals. We received logistical support from our family, church family and friends for help throughout the process.

Finally everything was in place. I was giving up on the old airplane that was certainly failing and entrusting myself to the parachute for a safe descent and landing.

  1. I got my final approval to go ahead (negative COVID test. 2/16)
  2. I got the notification that the parachute was in hand (the donor cells had been collected and received by Cleveland Clinic. 2/17)
  3. I prepared myself with the equipment make the jump (my Hickman port was installed through my chest up to my heart. 2/18)
  4. I jumped out the door of the plane (I received chemotherapy to kill my defective bone marrow. from 2/19-2/22)
  5. I put on my parachute and pulled the ripcord (The donor cells were infused into my body. Day Zero – 2/24.

The free fall is not very much fun. The chemo continued to kill off my bone marrow and other fast-growing cells and I didn’t feel well. I had some nausea. I felt very tired. My mouth got sore to the point that I could barely swallow and needed to get most meds through my port. Eventually I needed transfusions of whole blood almost every day and platelets every other day.

And there is always the nagging question of whether or not that parachute would actually open! I was very happy when my fall turned around on day +14. That day my WBC finally went up from 0.050 to 0.090. And it continued to gradually climb so that by day +19 I was able to leave the hospital. At that point I had not needed a transfusion in three days, and they canceled my first outpatient transfusion day.

I am now at day +69 and I have not needed any transfusions for 7 weeks! I feel well. I’m able to exercise. I’m down to one Cleveland Clinic visit each week. Every week they tweak my meds – add one, change the dose of another. We keep watch for any sign of infection or of Graft versus Host Disease. (I’m happy to report there’s nothing much to report so far.)

I am doing well and I am very grateful. I am grateful to God who is the source of my life and my salvation. I am grateful to my beloved friends and family for their prayers and their constant encouragement. I am grateful to the all the people at Cleveland Clinic for their expertise and good care for me. And I am very grateful to the donor who provided me with my parachute – I don’t know him but I do know that he is 25 years old, lives somewhere in the USA and goes out of his way to help strangers!