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c/compounding·submitted 10 days ago by u/liv_vukovic

my compounded vial arrived at a different concentration than last month

Discussionbranch of 9 comments

The title is the argument: my compounded vial arrived at a different concentration than last month. Here is the rest of it. A 503A pharmacy compounds for an identified patient against a prescription. A 503B outsourcing facility registers with the regulator, may produce without patient-specific prescriptions, and is…

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9 comments, started 9 days ago
u/santiago_rasmussen6 points·9 days ago·edited

Compounded preparations are not approved products and carry no bioequivalence claim. That is a statement about regulatory category, not about quality.

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u/sigrid_kaufmann3 points·9 days ago

Small fix — 503B facilities register with the regulator; 503A pharmacies are licensed by the state board. Different mechanisms.

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u/liv_vukovicOP2 points·8 days ago

Small fix — 503B facilities register with the regulator; 503A pharmacies are licensed by the state board.

Disagreeing with this bit: registration is not equivalence, and the two get run together constantly.

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u/burned_once_twice1 point·8 days ago

ask what the beyond-use date is based on

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u/amara_kuipers1 point·8 days ago

the shortage list is the whole legal hinge and people skip it

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u/emil_okwuosa1 point·8 days ago·edited

Was there potency testing on the finished preparation, or only on the starting material?

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u/liv_vukovicOP1 point·8 days ago·edited

Concentration on the compounded vial was different from what I had been using and I nearly did the arithmetic on autopilot.

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u/liv_vukovicOP3 points·9 days ago

salt forms are the recurring argument and the answer is boring

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u/yannick_barros2 points·9 days ago·edited

potency testing on the finished preparation is the thing to ask for

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About c/compounding

Compounded GLP-1s as a supply route: the 503A/503B distinction, the shortage-list mechanics that made compounding legal and then didn't, state board rules, telehealth prescriber models, and what a compounding pharmacy will and will not tell you about its API source.

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