Following orcidectomy and TURP, he's on zytiga plus prednisolone since August 2019.
Last week, scary symptoms of low sodium made us rush to the Emergency room. Has anyone else experienced this? Also, how much prednisolone are you taking with your zytiga?
He started with 5mg twice a day but then reduced it to 5mg once a day. I suspect the reduced dose and a UTI made him feel progressively worse the last couple of months.
Than you. Best Regards
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Faithhope11
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OK- I was just wondering if his electrolytes became unbalanced at the higher dose. My father, when he had low sodium, was given demeclocycline and was told to limit fluid intake. That was before they had Tolvaptan.
I took 5mg per day until I switched to .5mg per day of Dexamethasone.
Hyponatremia when taking zytiga is not caused by a low dose of prednisone. When taking zytiga the prednisone is given to reduce the production of aldosterone. Aldosterone retains sodium, eliminates potassium causing hypernatremia, hypokalemia, fluid retention, edema and hypertension. They need to study what caused a hyponatremia requiring emergency treatment.
We tried to get by with 5mg, but my husband's quality of life is better with 5mg twice a day. He jogs 6 miles a day, so may have an increased need. He is hormone sensitive. Was the low sodium confirmed by blood work? As Tango points out, not taking enough prednisone would typically cause high sodium, low potassium, and increased BP.
Tango is right. Aldosterone is an adrenal product and causes increased Sodium, decreased Potassium and High Blood pressure.
Its not uncommon to see Low Sodium during severe Urinary Infection. Sometimes the Sodium level drops to 120 or lower and that can cause Grand Mal Type Seizures and its a medical emergency.
Been on Zytiga with 5 mg of prednisone taken with breakfast for about 15 months. All blood work good and I have lots of energy. I workout 6 days a week.
5 mg in am and 5 mg in pm,with food on stomich,just had my 30 minute of ZOMETA,its been 2 days and all bones hurt from hips to back bone to ribs.I did not know about the this happenning
I was on a trial which lasted 2 years and 6 months before coming off it recently because of disease progression. It was a stage 2 double blind trial so I don't know whether I was on the placebo or a new drug called Ipatasertib. However to get to the point I started on 10mg/day of prednisalone which was apparently the amount each patient was given under the trial protocol no matter which arm we were randomised into. After about 18 months I found that my immune system was so badly compromised that I couldn't get anything to heal. eg. an excision to take off a BCC would take months to heal and if they tried a graft that would fail.
I asked my trial oncologist if we could halve the prednisolone to 5mg /day and she agreed.
Amazingly an excision wound I had on the tip of my nose where a BCC had been taken off healed up in less than 2 weeks. I had previosly been told by my dermatologist that because a skin graft had failed that this wound would take months to heal.
So my experience is that 10mg / day was way to much for me. In fact it is my opinion that that amount of prednisolone predisposed me to develop more skin cancers (BCC's and SCC's) than I would have if I had not been on the trial, 5mg/day seems about right.
However I must give credit to the Zytiga for keeping me disease progression free for about 2 and a half years as far as my prostate cancer is concerned.
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