BESREMi anyone?

Posted by @N.C.94 @upnorth94, Jul 10, 2023

Diagnosed with PV with JAK2 mutation In November. Did not do well on Hydroxyurea. I just started BESREMi at 100mg every 2 weeks. I have had only 1 injection so far but concerned about side effects. I am curious about how others are doing?

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Profile picture for Lori, Volunteer Mentor @loribmt

Hi @csrb7007 I would expect everyone going through their cancer journey wants to hear the words, “You’re cured!”. However, oncologists seldom use the word cure.
From my own experience with an aggressive blood cancer, even though I’ve been free of my disease for many years, my doctors will refer to my experience as a durable remission.

Most doctors will opt for remission or NED (no evidence of disease) because even after treatment they’re rarely able to say every single cancer cell is gone. But the longer a person remains cancer free the lower the risk of recurrence.

For some patients with blood cancer, because of underlying mutations, their disease may not be considered curable but often medications can keep the cancer cells from replicating, allowing patients to go on enjoying their lives with a more chronic-like condition, if that makes sense. Remission is a powerful word and doesn’t always need to be followed up with cure.

In your case, Besremi is being recommended to treat your polycythemia vera by targeting the JAK2 mutated gene. I found a pretty cool video you might be interested in watching from globalmpn.org:
https://www.globalmpn.org/post/mpn-hope-how-besremi-and-clinical-trial-is-managing-my-pv
Advances in our blood cancers and conditions continue to bring us potentially closer to, dare I say…a cure. ☺️
Have you begun taking the Besremi yet?

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Hi @loribmt. Thank you for your post, I found it very informative. And no, I start my injections this Thursday, and looking forward to this next step in the battle.

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Profile picture for nypara66 @nypara66

Hello, I have PV JAK2+ Diagnodes 3 1/2 years ago at age 55. I’ve been on Hydroxyurea since day one. The doses have changed and now taking it daily. I have severe photosensitivity, nerve pain, especially teeth and I have neuropathy mostly in my hands and feet/legs. It is random and I just pay attention as I lose my balance easily and sometimes roll my toes from not picking up my feet enough while walking. Honestly I thought it to be the PV more than the meds? They tried to switch me to Jakafi but that sounds scary with side effects? Where you taking Hydroxyurea? I haven’t inquired about Besremi because they said this drug is the least damaging. Please keep us posted. Good luck!

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@nypara66 HU for me for 9 months. Complained about arm pain. Bleeding gums. Split tongue. Tingling in my legs and feet. Balance issues. early satiety. 15 lbs weight loss. All fell on deaf ears. The oncologist was all about my platelet numbers. (ET-jak2 and ASXL 1).
Self referred to an ET specialist at Cleveland Clinic. I felt heard ! No more HU. Trying to reduce inflammation right now and will be placed on another set of meds.
Don’t settle! Speak up. Get a second opinion from the specialist.

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Profile picture for csrb7007 @csrb7007

Hi @loribmt. Thank you for your post, I found it very informative. And no, I start my injections this Thursday, and looking forward to this next step in the battle.

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@csrb7007 I thought the video was pretty informative and encouraging too. So I’m glad you liked it. Over the years, because of my involvement in Connect, I’ve had many opportunities to ‘pick the brains’ of my oncology/hematology teams. From what I gleaned, treating PV isn’t so much a battle as considering it a chronic disease and that most people with this myeloproliferative disease have normal life spans…passing with the disease, not from it. It is often well managed with medications to keep it in check. Let us know how you do with your Besremi, ok?

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Profile picture for Lori, Volunteer Mentor @loribmt

@csrb7007 I thought the video was pretty informative and encouraging too. So I’m glad you liked it. Over the years, because of my involvement in Connect, I’ve had many opportunities to ‘pick the brains’ of my oncology/hematology teams. From what I gleaned, treating PV isn’t so much a battle as considering it a chronic disease and that most people with this myeloproliferative disease have normal life spans…passing with the disease, not from it. It is often well managed with medications to keep it in check. Let us know how you do with your Besremi, ok?

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@loribmt most definitely.

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Profile picture for alikay @alikay

@nypara66 HU for me for 9 months. Complained about arm pain. Bleeding gums. Split tongue. Tingling in my legs and feet. Balance issues. early satiety. 15 lbs weight loss. All fell on deaf ears. The oncologist was all about my platelet numbers. (ET-jak2 and ASXL 1).
Self referred to an ET specialist at Cleveland Clinic. I felt heard ! No more HU. Trying to reduce inflammation right now and will be placed on another set of meds.
Don’t settle! Speak up. Get a second opinion from the specialist.

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@alikay Sounds like you are making progress. I have been on hydroxyurea for about four years. My dosage was 1000 and then upped to 1500 a day for a short time. . It is affecting my hemoglobin and red blood cells and making them very low and therefore I am anemic. My doctor is wanting to change me to. Interferon. I understand that it makes you feel like you have the flu and really weak. I would love to hear from some people that have taken interferon and how they have done on it. Thanks so much and I hope to hear from someone.

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Profile picture for cariadk @cariadk

I have been on it since June 9. Started out really well from 1400 down to 732 at 50 but then my platelets would bounce up 840 then down to 730. I’m now at 250 and we are going to increase the dose every two weeks by 50 in the hope that kicks it down to at least the 500 range. Really hoping this works as I feel great. Just one day of feeling tired after the injection. A few headaches and sometimes heartburn. My skin is better. My energy is better. My blood tests are way better. Much prefer to hydroxyurea.

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@cariadk
How are things going for you now? Your last year post was helpful.
Are you still on Besremi & any significant side effects?

My Rustfertide Trials Doctor has just applied to put me on Besremi, now that’s it has been approved in the US & Canada. My Hematocrit is steady at 45 & my Ferritin has gone from 5 to 120 with Rustfertide which should be approved this year.

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I am also waiting on insurance approval for Besremi. I have ET Calr - Hoping to hear feedback from anyone with similar on success and side effects. I’ve been on HU and Anagrelide, neither of which I can continue to take . I am in USA so experience with insurance outcome appreciated. It is recently approved as treatment for ET.

Especially worried about mood swings and hair loss.

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Profile picture for calbaric @calbaric

@cariadk
How are things going for you now? Your last year post was helpful.
Are you still on Besremi & any significant side effects?

My Rustfertide Trials Doctor has just applied to put me on Besremi, now that’s it has been approved in the US & Canada. My Hematocrit is steady at 45 & my Ferritin has gone from 5 to 120 with Rustfertide which should be approved this year.

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@calbaric
It’s going well. My dose has been dropped to 200 for several months and my platelets have fluctuated between 450 and 560. I get tired for a day or so after the dose and my skin is very vulnerable to any little ding but that could be my age and need for collagen. I still get dry eyes periodically and use systane at night when that happens. Overall my hematologist and I am pleased with my progress.

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Thanks for the update…all the best for continued good results!

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Profile picture for nancyra @nancyra

I am also waiting on insurance approval for Besremi. I have ET Calr - Hoping to hear feedback from anyone with similar on success and side effects. I’ve been on HU and Anagrelide, neither of which I can continue to take . I am in USA so experience with insurance outcome appreciated. It is recently approved as treatment for ET.

Especially worried about mood swings and hair loss.

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@nancyra
I have ET with Calr
No hair loss and no mood swings for me. Besremi has been very successful for me. I’ve been on it for just over a year and have been in the normal range or close since December. (Started at 1400) HU only ever got me to 600s. The highest besremi dose was 400 for me and now I’m down to 200. The main side effect is being tired and that is probably the ET not the drug. I do get dry eyes.

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