How long does Reclast remain in your system?

@gently I researched lower doses of Reclast and found studies were indeed done with lower doses. I gave my endocrinologist the links to the studies. She then prescribed Zometa which is really 4 mg of Reclast. Studies suggested it was just as effective as Reclast 5 mg. I got that last year with no problem. It helps that I am a retired medical professional .

@karenjaninaz Can you share links or references to the studies you did showing Zometa is as effective as Reclast? Thank you if you can, but don't worry if you can't.

AI information comparing the two dosages is a bit confusing. I think the reason AI views Zometa as the "higher dosages" is because it is often administered more often when used with cancer patients, i.e., it may be given 2 or 3 times in a year as opposed to Reclast being given annually.

Bottom line, though, is that Zometa is 4 mg and Reclast is 5 mg. Hope I am not confusing people, but I have heard clinicians refer to Zometa being a higher dose than Reclast and it is not. It's only the scheduling of the infusions that would increase the dosage over time.

Here is what Google Ai says when comparing the two:

"Search Assist
Zometa and Reclast both contain the same active ingredient, zoledronic acid, but they are used for different conditions and dosages. Zometa is typically administered at higher doses for cancer-related issues, while Reclast is used for osteoporosis at lower doses, making direct comparisons of effectiveness at lower dosages not applicable.
cvbonehealth.com Mayo Clinic
Effectiveness of Zometa vs. Reclast
Zometa and Reclast both contain the same active ingredient, zoledronic acid, but they are used for different medical conditions and dosages.
Usage and Dosage
Medication Condition Treated Dosage Administration
Zometa Cancer-related issues (e.g., hypercalcemia, bone metastases) Higher doses, typically administered twice a year
Reclast Osteoporosis Lower doses, administered once a year
Comparison of Effectiveness
Zometa is designed for cancer patients and is given at higher doses to manage conditions related to bone health in cancer.
Reclast is specifically used for treating osteoporosis and is administered at lower doses.

Karen, the studies were done through Novartis and though these studies were clear that 4mg is as effective as 5mg, they decided to market at 5, perhaps for the market advantage advantage of advertising as an osteoporosis medication, making less obvious the available generic options.
Zoledronate was only approved for osteoporosis after the studies by Novartis in 2007. Prior approval was only for cancer related bone conditions: metastasis and hypercalcemia of malignancy or multiple myeloma as Zometa.
It doesn't help that I have no medical background. I hope you keep posting with your medical knowlege.