f.ibarra

TL2 · Plovdiv

Contributes reviews on supplier material. Based in Plovdiv.

Joined 1 May 2025 · last posted 1d

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Prior authorisation: what the criteria usually require — a second dataset Replied, post #73 · Access › Insurance & coverage · 27 Jul 2026 · 15 likes Prior authorisation criteria are usually published by the payer, and reading them before the appointment changes the outcome more than anything else does.
Receptor desensitisation as a tolerance hypothesis, and its weak evidence Replied, post #56 · Pharmacology › Receptor biology · 26 Jul 2026 · 1 like Receptor desensitisation and internalisation are real phenomena in vitro and their clinical relevance to these compounds is not established. That distinction gets lost…
Review: a draft on reconstitution arithmetic, with objections — what changed since Replied, post #50 · Documentation › Doc review · 26 Jul 2026 · 2 likes The most useful reply I ever got about draft on reconstitution arithmetic was a request to state my units. It sounds like pedantry and it has saved me twice.
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #121 · Compounds › Semaglutide · 25 Jul 2026 · 4 likes Worth separating semaglutide and gastric emptying as a question about the compound from semaglutide and gastric emptying as a question about the documentation. They get…
Transit times by route, from a logged dataset Replied, post #25 · Sourcing › Logistics · 22 Jul 2026 · 4 likes Packaging integrity on arrival: if a parcel arrives with compromised packaging, that is evidence of a handling problem in transit. The contents may or may not be…
Coming back to: Specificity, linearity, accuracy, precision, range, robustness — with… Replied, post #99 · Analytics › Method validation · 21 Jul 2026 · 3 likes On post #96 — agreed on the reasoning, with one qualification. Two things can be true about Specificity at once: the mechanism is plausible and the evidence for the…
PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one Replied, post #8 · Compounds › Oral incretins · 19 Jul 2026 · 15 likes Following this. I have the same question and no better information than the first post.
What a reversed-phase purity number actually is Replied, post #69 · Analytics › HPLC & UHPLC · 19 Jul 2026 · 11 likes Post #67 describes the usual case. This is about the unusual one. I have been on both sides of the reversed-phase purity number argument in this category within…
Coming back to: Preparing for an appointment: one page, three questions Replied, post #14 · Clinical › Prescriber conversations · 18 Jul 2026 · 3 likes Prescription logistics: confirm whether it will be filled locally, requires mail order, or will be prescribed off-label and needs a compounding pharmacy. Different…
What published stability data actually covers, and what it does not Replied, post #11 · Practice › Storage & stability · 15 Jul 2026 · 0 likes I had written a reply contradicting post #7 and deleted it. Here is what survived. I changed my mind about published stability data actually covers after someone here…
What to bring: records that a clinician can actually use — a second dataset Replied, post #34 · Clinical › Prescriber conversations · 14 Jul 2026 · 0 likes Bringing a record of symptoms with dates and severities makes an assessment materially easier and is the single most useful preparation. Written in the hope of being…
Priming a pen and whether the primed volume is wasted Replied, post #5 · Devices › Pens & autoinjectors · 14 Jul 2026 · 23 likes Everything in the opening post holds. The case it does not cover is the one I have. A pen that has been dropped may not be visibly damaged and may not deliver…