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Author Topic: hearing loss for 5yrs taking asunra  (Read 13149 times)
Binita
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« on: February 27, 2015, 08:56:36 PM »

Hi andy and everyone,

I need ur help ....please give some suggestion my son is 5 yrs and we realised that he is not responsing us from few mnths properly . On doing a hearing test we got to know that he has got 60% of hearing loss. we aided him with a hearing aid . When we visited our haemotologist doc he said to stop the medicine for 3 mnths as the hearing is reversible. His ferritin right now is 1450. Is it advisable to wait for 3 mnths. And is it reversible....if yes then how long it might take...so that we can wait n get back to chelation again with other combinations. But doc was saying all medicines have this side effect........

Please advice as 60% hearing loss is too much for a 5yr old child and it ll only increase on medication.
And please advice on any other test that needs to be done for him in general to keep a check on his health.do ferritin in liver ....kidney needs to checked now.

Thank you



Please give ur valuable suggestions......
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Binita
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« Reply #1 on: March 01, 2015, 02:02:22 PM »

Hi andy n all, waiting for ur suggestion....plz advice
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Andy Battaglia
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« Reply #2 on: March 01, 2015, 02:08:17 PM »

Asunra is being used? For how long? And is the hearing loss suspected as being related to the chelator or is there a possibility it is not related to thal?
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Andy

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jay
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« Reply #3 on: March 02, 2015, 02:02:19 AM »

Hello Binita along with Andy's question could you please tell us what is the amount of dose you administer and what is the weight of your son?
Have you tried split dose of Asunra? How does he take it -with apple juice? Have you started with small does of Asunra initially?
Novartis has warning about hearing loss and some strain on eyes as well, but the percentage of affected patient is very less.
http://www.fda.gov/downloads/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/UCM154395.pdf
« Last Edit: March 02, 2015, 02:09:08 AM by jay » Logged
Binita
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« Reply #4 on: March 04, 2015, 01:41:15 PM »

Hi andy and jay,

My son is taking asunra from 3 and half yrs now. We started with 100mg n then he started taking 400 mg for for very few mnths initially ferritin was not coming down but lateras his ferritin level was very good that is 500....again we reduced it to 200 mg. Right now his ferritin is 1450.i was giving the split dosage when i was giving 300/400 mg. But otherwise only one time at night before sleeping.Earlier i was giving the medicine with sweet lime juice but then slowly i started giving only in water.
it is suspected that it is due to side effects of taking the medicine cause there is no family history of hearing loss and we are sure that he didnt have any problem of hearing till he was atleast 3 yrs. Only fron past one year i started feeling that he got some problem so we did the hearing test.

What should i do.....all chelators ll have the same side effect...

Please suggest andy n jay.

Thank u

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Binita
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« Reply #5 on: March 04, 2015, 01:51:27 PM »

Sorry forgot to mention that he is 17 kg now.

Thank u
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Andy Battaglia
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« Reply #6 on: March 04, 2015, 11:04:31 PM »

Binita,

The Standards of Care for Thalassemia address hearing loss.
Quote
7.1 Audiology
A baseline formal audiology exam should be given prior to starting
a chelator. Any history of hearing difficulty or tinnitus should
prompt a physical exam of the tympanic membranes and formal
audiology testing.
Inquire about hearing problems at each monthly visit. A screening
audiogram should be performed in clinic every six months. Refer
patients for formal audiogram assessment every 12 months, or
more often if a patient is unable to undergo a screening test in
clinic.
If there is new onset of hearing loss or tinnitus, the chelator should
be stopped and the audiogram repeated. The testing should be
confirmed within a month. The chelator can be restarted if the
hearing changes have improved. Reevaluation of iron status may
be necessary.

The chelator should be temporarily stopped. If hearing shows improvement in one month, the chelator can be restarted.

We are hearing many reports of hearing loss in young children. Perhaps we should be looking to achieve a balance between ferritin level and chelator dosing, so that toxicity is less of an issue. Perhaps we should not strive for such low ferritin levels when an audio issue is presenting, as to avoid toxicity. In this case, a break from chelation and then a restart, and acceptance of ferritin in the 1000-1500 range until the child is a little older might be the answer.
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Binita
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« Reply #7 on: March 13, 2015, 06:31:08 AM »

Thank you Andy for ur advice. So we ll do a hearing test in few days n see if it gas improved. And accordingly we ll continue with the chelation again.
Do u suggest with continuation of the same medicine i.e asunra or some other chelator.
Thank u andy.
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Andy Battaglia
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« Reply #8 on: March 13, 2015, 09:30:11 AM »

It is normally recommended to continue with the same chelator. Keep in mind that many get the same effect on hearing from desferal, as well, so switching chelators may not be the solution.
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Andy

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Sharmin
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« Reply #9 on: March 18, 2015, 12:01:55 PM »

Binita,

I hope you see improvement in your child's hearing at the next test. 
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Sharmin
Binita
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« Reply #10 on: May 25, 2015, 07:22:46 AM »

Hi andy n all well wishers...

Its been three months that i have stopped chelation...but to my surprise ferririn level remains the same....is it a sign of worry as in is iron depositing in liver or heart.
I was giving him homeo medicine from 1 and half months but it was nothing to do with chelation.

Plz advice if any thing needs to be done. His ferririn is 1400 now.

Thank you all for the support u all give.
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Canadian_Family
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« Reply #11 on: May 25, 2015, 08:48:06 AM »

There are many people on this forum, who are proponents of hyper chelation and feels that ferritin levels of 200-300 is optimal. I have always advocated that children are different. They should not be hyper chelated.

Our daughter has been given numerous breaks from chelation when she reached 500. Chelation resumes when she reaches 1000.

Binita,
If I were in your situation, I would have waited for audio results to improve before starting chelation again. Ferritin can be dealt with later, it is so soon for iron to start damaging the organs. Please check the results of audio and if it has improved, you can start the chelation.
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Sharmin
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« Reply #12 on: May 25, 2015, 02:17:02 PM »

Canadian Family,

I agree, we need to be mindful of possible toxicity in young children.   Dr Vichinsky advised that it's best to maintain ferritin levels above 300 - even for my 16 year old because there's a risk of removing  iron from the nervous system that is actually necessary and the potential to cause other side effects when there isn't much iron for the chrkatin to bind.    For younger children ferritin should not drop below 500.   

Dr Vichinsky revommended that when iron levels dropped low in children the dose should be changed to a negligible amount split daily or taken every second day.   This prevents any free iron from entering organs such as the heart or pancreas.      But if there are symptoms such as auditory or visual definitely chelators should be stopped until the tests come back normal.   

This is slightly different from the Toronto approach of removing the chelators completely until ferr reaches a certain level.    I think both options are good and I like the break kids get from the chelator - especially the younger children.   
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Sharmin
Binita
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« Reply #13 on: May 26, 2015, 04:33:48 AM »

Thank you canadian family n sharmin...ll definatly get a hearing test done again n then take a decision on chelation.
but i wanted to know as there is no noticeable change in ferritin from 3 months without medicine does that mean that iron may be collecting in any of the organs...or do u mean its nothing to worry about at this age.

Thanking you
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Sharmin
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Little A


« Reply #14 on: May 26, 2015, 10:01:19 AM »

Hello Binita,

How old is your son?  How much does he weigh?  Also, what is his ferritin level?

There is a good chance that the toxicity has cleared out of his system by now, but you should definitely have that confirmed through a hearing test. 

I don't think that you have much to worry about about at a young age, if he has been well chelated for many years in terms of iron accumulating in his other organs so quickly. 

When you restart him on chelation, start on a low dose and split that dose so that he's taking it twice daily.  Slowly increase it to the therapeutic level and he should be fine. 

My son had a similar effect with desferal when he was 5 or 6 years old.  We withdrew desferal until his hearing test came back normal and then restarted.  This is fairly normal in young children. 

Best wishes to your little man 

Sharmin
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