Anyone take new drug Camzyos (mavacamten) for HCM?

Posted by captainterry @captainterry, May 25, 2022

Since FDA approval in April has anyone (non-clinical trial patient) actually obtained a prescription and had it filled? If so, when and where was the cardiologist located? Is the registration process for doctor/patient/Rx taking a long time for this much anticipated drug?
Thanks from a fellow patient!

Interested in more discussions like this? Go to the Hypertrophic Cardiomyopathy (HCM) Support Group.

I also have a head that feels like a pressure cooker. I’m super tired and dizzy. Very low BP and not sleeping.
Thank you for getting back to me

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Profile picture for klima12 @klima12

May I ask what side effects you are experiencing? I am not feeling well on it either but my dr keeps saying everything is fine because my heart is better

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What are your side effects if I may ask? Thanks.

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Profile picture for klima12 @klima12

May I ask what side effects you are experiencing? I am not feeling well on it either but my dr keeps saying everything is fine because my heart is better

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Yes you may, terrible unbearable headaches as if my head was in a pressure cooker, jaw ache and not going to the loo to spend a penny. Stopped it and started again but they started again so I think surgery is the way now but feel worse off the drug now. Oh well wish you all well. Too bad it didn’t work for me. Is anyone else in here that takes verapamil and prednisone?

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May I ask what side effects you are experiencing? I am not feeling well on it either but my dr keeps saying everything is fine because my heart is better

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My Doc says my heart is running well, however I do get light headed a little more often and heart flutters more often. For me it's worth the trade off. I do not know yet how it will effect me when I get more active.

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Profile picture for nanakpm @nanakpm

I hope you get good advice on your next steps. I stayed on Camzyos against my doctor’s recommendation to give up and have surgery. I was feeling so much better and had no side effects, even though my gradient was not improving. I was able to get an enzyme test through my family doctor to see how I metabolize the drug. Seems I need a higher dose. Went up to 15mg and finally the gradient went down by 50%! I’m praying this continues. I wish we were part of a study on longer term effects of Camzyos. I want to
be optimistic but always wonder what’s next! A new drug, afacamten, is awaiting approval. For people who don’t respond well to Camzyos. Maybe your doc knows about it. Hope you feel better.

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Thank you for your good wishes I am sad it didn’t work for me. That’s life.

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Profile picture for katiekins @katiekins

I started Camzyos a few weeks ago and immediately felt much better (feel ok most of the time anyway) started with terrible side effects headaches etc…. Came off for a week and restarted for several days and side effects returned. Now free of the drug but feel absolutely terrible. I am worse than before and now am looking at surgery as could not get up small hill yesterday Which is normally fine for me. Thus drug has changed something in me. Very very upset but glad for all you lucky people that it is working for.

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I hope you get good advice on your next steps. I stayed on Camzyos against my doctor’s recommendation to give up and have surgery. I was feeling so much better and had no side effects, even though my gradient was not improving. I was able to get an enzyme test through my family doctor to see how I metabolize the drug. Seems I need a higher dose. Went up to 15mg and finally the gradient went down by 50%! I’m praying this continues. I wish we were part of a study on longer term effects of Camzyos. I want to
be optimistic but always wonder what’s next! A new drug, afacamten, is awaiting approval. For people who don’t respond well to Camzyos. Maybe your doc knows about it. Hope you feel better.

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Profile picture for nanakpm @nanakpm

I’ve had the same experience. Very quick response when I first started taking Camzyos in May. But my gradient did not go down and it’s high - 130, and higher with val salva. I asked for higher dose starting in August. I have more energy most of the time but still have angina sometimes. Waiting for next echocardiogram in a few weeks. One doctor I consulted says stay with it. My cardiologist is pushing for surgery. My gut says stay with Camzyos. Biggest distress is differing medical
opinions.

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I started Camzyos a few weeks ago and immediately felt much better (feel ok most of the time anyway) started with terrible side effects headaches etc…. Came off for a week and restarted for several days and side effects returned. Now free of the drug but feel absolutely terrible. I am worse than before and now am looking at surgery as could not get up small hill yesterday Which is normally fine for me. Thus drug has changed something in me. Very very upset but glad for all you lucky people that it is working for.

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Profile picture for boatsforlife @boatsforlife

Joint paint on Camzyos? Had my Camzyos increased from 5mg to 10mg just over 2 weeks ago and have had 2 bouts of really peculiar joint pain. Sitting idle, and over the course of about 1-2 minutes every joint in my body - spine, knees, knuckles, jaw,... - builds from zero to almost crippling pain and then suddenly subsides just as fast. Has never happened in living memory. I can't imagine it being related but the only thing different is the move to higher dose Camzyos. Sound familiar to anyone?

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I am not a physician. Only a HOCM patient and a 2 year user of Camzyos with great results. I would schedule a consult with a neurologist to get a different out of the box perspective on your strange symptoms.
That is:
Two short, but intense episodes over 2 weeks. (not all the time).
Transient episodes (2 to 4 min. total) with pain over your entire body at the same time (central nervous system?).
No such problems during the period you were on 5 mg dose.
Before giving up on Camzyos, I would both see my cardio and consult a neurologist for evaluation. Get the two specialists to talk with each other. Maybe you and both doctors ( and us) will learn something helpful!

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Profile picture for Debra, Volunteer Mentor @karukgirl

How utterly disappointing @katiekins. I'm so sorry you had to experience these terrible side effects. I would be disappointed too. What is your next step? Have you had a chance to discuss this with your cardiologist?

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Next step to see cardiologist beginning of April if not before. So very disappointed about this. Has anyone else had similar outcomes? I can’t be the only one? I am wondering if it interacts with other drugs I am on. So sad about this. Oh well.

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