j.asante
TL2 Moderator · Pune
Contributes reviews on supplier material. Based in Pune.
Joined 24 February 2025 · last posted 7d · groups: newcomer-guides
78 posts, newest first. Showing up to 150.
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What is genuinely unknown about long-term amylin agonism Replied, post #66 · Compounds › Cagrilintide & amylin analogues · 21 Jul 2026 · 2 likes Amylin signalling is distinct from GLP-1 signalling. Amylin slows gastric emptying and promotes satiety through a different receptor and different neural pathways. The…
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Revisiting: The best-written scientific paper you have read Replied, post #106 · Lounge › Off topic · 21 Jul 2026 · 28 likes post #105 is right about the mechanism and I think understates the practical bit. Industry and supply chain: post about manufacturing, pharmaceutical economics, or…
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[2026 update] Detection wavelength and why 214 nm and 280 nm disagree Replied, post #54 · Analytics › HPLC & UHPLC · 20 Jul 2026 · 0 likes Worth separating two things that post #50 runs together. On integration: where the baseline is drawn matters more than most people realise. On a clean chromatogram with…
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A structured critique template this community uses — a second dataset Replied, post #38 · Evidence › Study critique · 14 Jul 2026 · 17 likes post #37 answers the question as asked. The question underneath it is different. What makes a methodological criticism substantive: it identifies a specific feature of…
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Second pass at: What a 2 ppm match establishes, and what it does not Replied, post #43 · Analytics › Mass spectrometry · 14 Jul 2026 · 3 likes Tandem mass spectrometry: MS/MS fragments the molecular ion and uses fragment masses to confirm identity and detect modifications. A simple identity confirmation by…
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Reading a home test result without over-claiming Replied, post #118 · Analytics › Home & field testing · 13 Jul 2026 · 2 likes Colorimetric tests: colour intensity correlates with concentration, but the relationship is non-linear at extremes and the correlation depends on the exact conditions…
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Revisiting: Why the absence of controlled human data on BPC-157 matters more than people… Replied, post #27 · Compounds › Repair & healing peptides · 12 Jul 2026 · 12 likes BPC-157: the preclinical literature is extensive, mostly from a small number of research groups, and reports effects across a wide range of injury models. The breadth…
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Tracking semaglutide's approved indications across jurisdictions, dated Replied, post #16 · Compounds › Semaglutide · 8 Jul 2026 · 27 likes Gastric emptying delay is the mechanism behind most of the gastrointestinal side effects. Slowing the stomach empties it feeds less food into the intestines at a time,…
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Alcohol: what is documented and what is folklore Replied, post #96 · Practice › Interactions · 6 Jul 2026 · 0 likes Picking up post #93: that is the part I would want checked first. Sulfonylureas and meglitinides: these agents stimulate insulin release and carry hypoglycemia risk.…
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Designing a personal experiment that could change your mind — one year on Replied, post #69 · Research Methods › N-of-1 designs · 2 Jul 2026 · 3 likes Coming back to post #67, because the follow-up matters more than the original answer. Sample size in n-of-1: you are the sample. Repeated measurements (weekly…
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Insurance and replacement policies, compared Replied, post #51 · Sourcing › Logistics · 29 Jun 2026 · 24 likes On post #47 — agreed on the reasoning, with one qualification. Packaging integrity on arrival: if a parcel arrives with compromised packaging, that is evidence of a…
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Follow-up: Prior authorisation: what the criteria usually require Replied, post #30 · Access › Insurance & coverage · 21 Jun 2026 · 21 likes Picking up post #27: that is the part I would want checked first. For anyone arriving from a search: the marked solution above is the direct answer, and the replies…
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[2026 update] Currency conversion and the cost you did not see Replied, post #21 · Sourcing › Payments · 6 Jun 2026 · 14 likes No payment facilitation: this site does not handle payments and does not connect buyers and sellers for the purpose of payment. We discuss logistics and documentation…
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Talking to a therapist about this specifically Replied, post #4 · Wellbeing › Mental health · 9 May 2026 · 2 likes I read post #2 twice before replying, because I had assumed the opposite. Mood and anxiety: mood changes and anxiety are reported by some people. Baseline mental health…
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Second pass at: When your prescriber and the evidence disagree Replied, post #18 · Clinical › Prescriber conversations · 5 May 2026 · 8 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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Hair shedding at month three: mechanism and time course — the long version Replied, post #6 · Practice › Side effects · 3 May 2026 · 16 likes post #5 is right about the mechanism and I think understates the practical bit. Timeline matters: onset, duration, pattern over days or weeks, relationship to injection…
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Coming back to: Washout: how long is long enough, and for what purpose Replied, post #102 · Pharmacology › Pharmacokinetics · 11 Apr 2026 · 10 likes post #101 is right about the mechanism and I think understates the practical bit. I disagree with the reply above, and I think the disagreement is substantive rather…
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Subgroup analyses: pre-specified versus discovered — a second dataset Replied, post #40 · Evidence › Trials · 11 Apr 2026 · 0 likes Dropout is information: high dropout rates can indicate tolerability problems or lower efficacy than the summary suggests. Where the analysis handled dropouts matters.…
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List price versus negotiated price versus what you pay Replied, post #2 · Access › Pricing · 7 Apr 2026 · 4 likes Cost per milligram is the only comparison that survives format differences, but even then it needs care. A pen and a vial are not the same product and cannot be…
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Reconstitution volumes that produce round numbers, tabulated Replied, post #73 · Practice › Reconstitution · 23 Mar 2026 · 0 likes Picking up post #70: that is the part I would want checked first. The decimal-point error: computing 5 mg / 2 mL as 0.25 mg/mL instead of 2.5 mg/mL is the most common…
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Revisiting: Maintainer handover: how it works Replied, post #40 · Meta › Wiki maintenance · 9 Mar 2026 · 0 likes Maintainer handovers: if a page's maintainer is inactive and needs a new one, discussing that here can facilitate the transition.
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How to ask about something you suspect is a bad idea Replied, post #62 · Start Here › How to Ask · 6 Mar 2026 · 0 likes This follows post #59 rather than contradicting it. Asking a follow-up: new topic or reply in the old one? If the answer depends on the previous post, reply. If it is a…
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Revisiting: Language barriers in accessing a prescription abroad Replied, post #147 · Access › International · 6 Mar 2026 · 24 likes Currency and exchange rates: paying in different currencies has different costs and risks. Bitcoin eliminates currency and intermediary issues but has other risks.
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Follow-up: The retatrutide phase 2 obesity paper, read closely Replied, post #4 · Compounds › Retatrutide · 25 Feb 2026 · 0 likes The phase 2 obesity paper reported dose-dependent weight reduction of a magnitude that attracted attention. It also reported dose-dependent heart-rate increases. The…
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Type 2 diabetes and the largest part of the evidence base Replied, post #11 · Clinical › Comorbidities · 23 Feb 2026 · 0 likes Coming back to post #9, because the follow-up matters more than the original answer. Interactions between comorbidities: diabetes and kidney disease together change the…
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Packaging that arrived damaged: documenting it properly — a second dataset Replied, post #40 · Sourcing › Logistics · 17 Feb 2026 · 25 likes post #39 answers the question as asked. The question underneath it is different. At what point is a parcel genuinely a problem: if it was despatched weeks ago and there…
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Warfarin and altered intake: the monitoring argument — the long version Replied, post #102 · Practice › Interactions · 1 Feb 2026 · 19 likes Vitamins: most vitamins have no significant interaction. Fat-soluble vitamins (A, D, E, K) might be affected by the slowing of fat absorption during weight loss, but…
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A widely repeated interaction claim that turns out to be unsupported Replied, post #23 · Practice › Interactions · 28 Jan 2026 · 0 likes Food interactions: most interactions are absorption interactions. Some medications absorb better with food, others better on an empty stomach. With an incretin agonist…
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About the Pens & autoinjectors category Replied, post #3 · Devices › Pens & autoinjectors · 3 Jan 2026 · 4 likes As a member rather than staff: the most useful thing I did when I started reading this category was to work through the tag pages rather than the topic list. The topic…
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Revisiting: Language barriers in accessing a prescription abroad Replied, post #28 · Access › International · 27 Dec 2025 · 4 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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Older adults, sarcopenia risk, and the trade-off nobody quantifies Replied, post #58 · Clinical › Special populations · 22 Dec 2025 · 4 likes Worth separating two things that post #54 runs together. Disordered eating history: a history of anorexia nervosa, bulimia, or other eating disorders changes the…
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Tracking a preprint to publication: a worked example Replied, post #77 · Evidence › Preprints · 8 Dec 2025 · 10 likes Do not build anything on a preprint that you would mind rebuilding: if the preprint later changes substantially in revision or shows different results when published,…
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Second pass at: The mass-error checker and its intended scope Replied, post #74 · Data & Tools › Calculators · 26 Nov 2025 · 14 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
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Coming back to: Injection-site reactions: describing them precisely enough to be useful Replied, post #11 · Practice › Side effects · 22 Nov 2025 · 0 likes On post #7 — agreed on the reasoning, with one qualification. Pancreatitis: a rare but serious event with a specific presentation (epigastric pain, back pain, elevated…
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Reading a supplier's product description as a marketing document Replied, post #94 · Compounds › Other compounds · 6 Nov 2025 · 15 likes AOD-9604 is a fragment of human growth hormone and has been discussed as a potential weight-loss agent based on theoretical mechanism. The fragment hypothesis — that…
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Run-in periods and the population they select Replied, post #18 · Evidence › Trials · 5 Nov 2025 · 5 likes Population narrowness: most trials in this class enrolled fairly specific groups. Baseline body mass index ranges, exclusion of renal disease, exclusion of certain…
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Thyroid function tests during substantial weight change Replied, post #119 · Clinical › Bloodwork · 2 Nov 2025 · 6 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
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Follow-up: What a seizure notice actually says Replied, post #16 · Sourcing › Logistics · 25 Oct 2025 · 20 likes Tracking stops updating: tracking last updated days ago usually means the package is in transit and will not update until it reaches the next scanning point. No update…
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Sleep tracking data and its considerable limitations Replied, post #63 · Wellbeing › Sleep · 23 Oct 2025 · 12 likes On post #59 — agreed on the reasoning, with one qualification. Gastrointestinal effects overnight: nausea or reflux or constipation at night can disrupt sleep. Dosing…
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Managing an unplanned gap in supply — what changed since Replied, post #94 · Access › Shortages · 21 Oct 2025 · 28 likes Picking up post #91: that is the part I would want checked first. Patient advocacy during shortages: some advocacy groups advocate for patients during shortages.…
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[2026 update] Does dual agonism explain the effect size, or is it dose? Replied, post #28 · Compounds › Tirzepatide · 25 Sep 2025 · 13 likes SURPASS-2 compared tirzepatide with semaglutide 1.0 mg, the licensed diabetes dose at that time. It did not compare with semaglutide 2.4 mg, the highest approved dose.…
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Documentation that materially improves an appeal's chances Replied, post #8 · Access › Insurance & coverage · 23 Sep 2025 · 0 likes post #7 is right about the mechanism and I think understates the practical bit. Denial letters: the stated reason tells you exactly what to submit next. A denial is not…
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A checklist for reading a certificate in under two minutes — does this still hold? Replied, post #44 · Analytics › COA interpretation · 13 Sep 2025 · 0 likes When method identifiers are missing: "reversed-phase HPLC" is less specific than "reversed-phase HPLC at 214 nm on a C18 column with a 10 to 40% acetonitrile gradient…
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Storing in the door of the fridge is worse than you think Started this topic · Practice › Storage & stability · 13 Sep 2025 · 1 like Storing in the door of the fridge is worse than you think Writing it up because I had to work it out twice and would rather nobody else did. A question about technique…
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Temperature loggers worth the money — the long version Replied, post #26 · Devices › Cold chain · 17 Aug 2025 · 0 likes Travel with medication: carrying a vial across borders requires planning if temperatures will exceed the range or if journey time is long. Insulated travel cases with…
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Biological variation versus analytical imprecision Replied, post #3 · Clinical › Bloodwork · 1 Aug 2025 · 21 likes post #2 answers the question as asked. The question underneath it is different. For anyone arriving from a search: the marked solution above is the direct answer, and…
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Titles that describe the question, not the situation Replied, post #50 · Start Here › How to Ask · 17 Jul 2025 · 23 likes post #49 answers the question as asked. The question underneath it is different. The specific question in the title is more useful than you might think. A title like "a…
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Asking about a compound your prescriber has not heard of Replied, post #95 · Clinical › Prescriber conversations · 15 Jul 2025 · 0 likes Discussing side effects: be specific. "Nausea" is less useful than "I have nausea worst 24 to 36 hours after injection, severity 2 to 3 out of 4, stable over weeks".…
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Subcutaneous absorption kinetics and site differences Replied, post #10 · Pharmacology › Pharmacokinetics · 21 Jun 2025 · 7 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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Specification in the result column: why that is a meaningful error Replied, post #10 · Analytics › COA interpretation · 19 Jun 2025 · 0 likes What fields matter on a certificate: lot number matching the vial, test date, the analytical method stated specifically, the measured result as a number, and the…
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Multiplicity when you track fifteen variables Started this topic · Research Methods › Statistics · 17 Jun 2025 · 1 like Multiplicity when you track fifteen variables — setting out what I have, and where I think it stops being reliable. Comparing LEADER ( N Engl J Med , 2016) with…
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Follow-up: Tracking intake honestly when appetite is absent Replied, post #73 · Nutrition & Training › Protein & intake · 12 Jun 2025 · 0 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
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Publishing an inconvenient result: a case study Replied, post #30 · Sourcing › Independent verification · 6 Jun 2025 · 30 likes On post #26 — agreed on the reasoning, with one qualification. Cost and turnaround: different services have different pricing and turnaround times. Janoshik's…
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The CagriSema phase 2 paper and what a fixed combination buys — the long version Replied, post #6 · Compounds › Cagrilintide & amylin analogues · 3 Jun 2025 · 12 likes Cagrilintide alone is discussed less than in combination because the published data is almost entirely from combination trials. The phase 2 combination data was…
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Journal club: the CagriSema phase 2 combination paper — a second dataset Replied, post #17 · Evidence › Journal club · 27 May 2025 · 9 likes TRIUMPH (ongoing): Retatrutide phase 3. No results yet. Nothing should be attributed to it because it has not finished. When it does, this discussion will return to it.
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Why quantitation is the hard part, not detection Replied, post #12 · Analytics › Home & field testing · 25 May 2025 · 0 likes On post #8 — agreed on the reasoning, with one qualification. Sample handling matters: if a sample is contaminated or degraded before testing, the test gives you the…
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About the Secretagogues & GH axis category Replied, post #9 · Compounds › Secretagogues & GH axis · 16 May 2025 · 0 likes Pulsatile secretion matters because growth hormone is secreted in pulses, not continuously. A single post-dose growth hormone level is nearly uninterpretable. Assessing…
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When to stop reading forums, including this one — the long version Replied, post #14 · Wellbeing › Mental health · 10 May 2025 · 5 likes Picking up post #11: that is the part I would want checked first. Disordered eating history: a history of anorexia, bulimia, or other eating disorders changes the…
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Journal club: STEP 4 and what a withdrawal design can prove — one year on Replied, post #53 · Evidence › Journal club · 4 Apr 2025 · 26 likes Session format: read the paper before posting. The discussion is much better when everyone has. Start with the estimand and population, then methods, then results, then…
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Carryover and the ghost peak from last week's standard Replied, post #7 · Analytics › HPLC & UHPLC · 1 Apr 2025 · 33 likes post #6 is right about the mechanism and I think understates the practical bit. Column chemistry and particle size: smaller particles (1.7 μm) give better resolution…
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Adjudicated events and why the definition matters — the long version Replied, post #58 · Evidence › Trials · 21 Mar 2025 · 10 likes Generalisability: the enrolled population was selected in ways that matter. Entry criteria, run-in periods, and the simple fact that people who agree to a multi-year…
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Certificates issued by the seller versus by a laboratory Replied, post #13 · Analytics › COA interpretation · 21 Mar 2025 · 8 likes On post #9 — agreed on the reasoning, with one qualification. Endotoxin testing is separate: a certificate of purity says nothing about endotoxin. A chemically pure…
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Second pass at: Gauge and length selection for subcutaneous injection Replied, post #44 · Devices › Syringes & needles · 21 Mar 2025 · 0 likes I read post #42 twice before replying, because I had assumed the opposite. Aspirating before injection: for subcutaneous injection, aspirating (pulling back on the…
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Charge states for a 4 kDa peptide, worked through Replied, post #54 · Analytics › Mass spectrometry · 8 Mar 2025 · 11 likes This follows post #51 rather than contradicting it. Tandem mass spectrometry: MS/MS fragments the molecular ion and uses fragment masses to confirm identity and detect…
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Biased agonism: a real phenomenon, an over-used explanation Replied, post #12 · Pharmacology › Receptor biology · 26 Feb 2025 · 15 likes GIP receptor signalling: the glucose-dependent insulinotropic peptide receptor (GIP) is involved in glucose-stimulated insulin secretion. GIP agonism is thought to…
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Revisiting: Heart failure with preserved ejection fraction: symptom endpoints Replied, post #9 · Clinical › Comorbidities · 21 Feb 2025 · 0 likes PCOS and metabolic overlap: polycystic ovary syndrome has metabolic overlap with obesity and insulin resistance. Data on compounds in this class in PCOS specifically is…
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Revisiting: What a well-designed human trial of a secretagogue would look like Replied, post #54 · Compounds › Secretagogues & GH axis · 27 Jan 2025 · 0 likes Why this subcategory is stricter about sourcing than most: the evidence base is weaker and that is precisely why documentation quality matters more. A supplier page…
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SURPASS-2 and the comparator dose question that will not go away Replied, post #90 · Compounds › Tirzepatide · 28 Dec 2024 · 21 likes post #89 answers the question as asked. The question underneath it is different. SURMOUNT-1 reported weight reduction of a magnitude that was the largest for a…
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Coming back to: Cost per delivered dose, which is the number that matters Replied, post #7 · Access › Pricing · 25 Dec 2024 · 2 likes post #6 answers the question as asked. The question underneath it is different. Price variation between pharmacies: identical prescriptions can cost different amounts…
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Follow-up: Tirzepatide's shorter half-life and its one practical consequence Replied, post #87 · Compounds › Tirzepatide · 14 Dec 2024 · 0 likes The GIP component: GIP receptor agonism is thought to amplify the GLP-1 effect on satiety and energy expenditure, but how much of tirzepatide's effect is that and how…
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When a preprint is the best available evidence and we say so — a second dataset Replied, post #7 · Evidence › Preprints · 2 Dec 2024 · 25 likes Preprints for speed: some important preliminary findings are posted as preprints to disseminate quickly. That speed is useful but comes at the cost of not yet having…
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Athletes in weight-category sports: a different risk calculus — a second dataset Replied, post #30 · Clinical › Special populations · 28 Nov 2024 · 4 likes Hepatic impairment: less is known about dosing in significant liver disease than in kidney disease. Extreme caution applies because the liver metabolises a large…
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Amylin analogue mechanism: satiety signalling separate from GLP-1 Replied, post #28 · Compounds › Cagrilintide & amylin analogues · 28 Nov 2024 · 14 likes For anyone arriving from searches on "amylin agonist": this subcategory discusses published clinical evidence and what it does and does not establish. It does not…
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Progressive overload when the scale is falling — one year on Replied, post #145 · Nutrition & Training › Resistance training · 10 Oct 2024 · 10 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
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Criticising the method without criticising the authors Replied, post #8 · Evidence › Study critique · 30 Sep 2024 · 0 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
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Circumference measurements as a poor man's composition estimate Replied, post #47 · Outcomes › Body composition · 7 Aug 2024 · 14 likes Resting metabolic rate: body composition affects metabolic rate. As fat mass decreases and lean mass is maintained, metabolic rate is usually maintained better than…
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How this community labels and discusses unrefereed work Replied, post #78 · Evidence › Preprints · 12 Jul 2024 · 1 like This follows post #75 rather than contradicting it. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still…
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Spreadsheets: an appreciation Replied, post #2 · Lounge › Off topic · 4 Jun 2024 · 21 likes Coming back to the opening post, because the follow-up matters more than the original answer. Lower-stakes conversation that does not belong in the technical…