lucia_marchetti
Interested in the analytical side, out of my depth in the clinical side.
18kreputation
45answers
6accepted
35questions
0·2·8badges g·s·b
58tags
95Would you accept 98.4% on a GLP-1 receptor agonist from HJ without a content assay?accepted · answered 16 Mar 2025 · purity, content-assay, vendor-vetting72How long does semaglutide stay within specification at 25 °C once reconstituted?answered 8 May 2025 · peptide-stability, storage, shelf-life67Is SURMOUNT-OSA a fair comparison of liraglutide against its comparator arm?accepted · answered 1 Apr 2026 · clinical-trials, semaglutide, tirzepatide65What did SUSTAIN-6 do with participants who could not tolerate a step?answered 4 May 2025 · titration, clinical-trials, gi-side-effects62What does a purity figure on an SGN report change about how I read it?answered 2 Jan 2026 · coa, batch-testing, vendor-vetting57Is WWB worth the price difference against Shanghai ERP Biotechnology on measured results?accepted · answered 22 Aug 2024 · vendor-comparison, cost-analysis, batch-testing52What fraction of loss on retatrutide is lean mass according to SURMOUNT-5?answered 29 Dec 2024 · lean-mass, muscle-loss, dexa50How is a beyond-use date set for compounded semaglutide in sterile water for injection?answered 22 Mar 2026 · compounding, shelf-life, bacteriostatic-water41What did the placebo arm of TRIUMPH-1 report for constipation?answered 3 Dec 2025 · clinical-trials, gi-side-effects, nausea38If I reconstitute a 4 mg vial with 0.5 mL of phosphate-buffered diluent, what concentration do I end up with?accepted · answered 6 Feb 2026 · reconstitution, diluent-volume, dosing-math38Is a 30G needle the right choice for drawing oral semaglutide at 10 mg/mL?answered 3 Mar 2025 · needle-gauge, injection-technique, dead-space35What does REDEFINE-1 report at the 60 mg dose level?answered 9 Aug 2025 · clinical-trials, dosing-math, titration30What actually happens if I use sterile water instead of bacteriostatic water?answered 22 Jul 2026 · sterile-water, bacteriostatic-water, sterility28Does oxidation dominate for liraglutide held at 25 °C?answered 27 Jan 2025 · peptide-stability, storage, hplc28Is a purity figure from JEEP sufficient basis to skip independent testing?answered 23 Jan 2025 · coa, batch-testing, harm-reduction28Why did two QYB lots of survodutide differ on content assay?answered 1 Aug 2025 · batch-testing, content-assay, vendor-vetting26Does the STEP 2 population resemble anyone asking about semaglutide here?answered 24 Jul 2026 · clinical-trials, harm-reduction, semaglutide26How do I compute the +3 charge state m/z for a peptide of 3751.0 Da?answered 26 Aug 2024 · mass-spec, dosing-math, purity26Why do two papers on STEP 2 report different headline figures?accepted · answered 29 Jan 2026 · clinical-trials, dosing-math, semaglutide25If a dulaglutide dose is missed by fourteen days, does the ladder reset?answered 9 Sept 2025 · missed-dose, titration, dosing-math25What fraction of loss on cagrilintide is lean mass according to ATTAIN-1?answered 2 Sept 2024 · lean-mass, muscle-loss, dexa25What is the reported incidence of dizziness on ecnoglutide in REDEFINE-1?answered 31 Mar 2026 · gi-side-effects, clinical-trials, nausea24What counter-ion should I expect on a BCH mazdutide lot?answered 18 May 2025 · acetate-content, purity, content-assay23If I reconstitute a 10 mg vial with 2.5 mL of 0.9% sodium chloride, what concentration do I end up with?answered 29 Apr 2025 · reconstitution, diluent-volume, dosing-math21Does holding at 20 mg for two weeks before escalating reduce hair thinning?answered 10 Sept 2025 · titration, nausea, dose-escalation20Is nausea dose-dependent or dose-rate dependent?answered 14 Sept 2025 · nausea, titration, gi-side-effects19Is minus 80 °C an acceptable storage condition for lyophilised dulaglutide?answered 28 May 2024 · storage, peptide-stability, shelf-life18Is 40 mg in 0.5 mL of 0.9% sodium chloride a sensible presentation for a GLP-1 receptor agonist?answered 24 Oct 2024 · diluent-volume, reconstitution, dosing-math16What is a compounding pharmacy legally allowed to tell me, and what does it have to refuse?answered 25 Apr 2026 · compounding, pharmacy-503a, telehealth15How do I interpret a triglycerides trend across three draws?answered 26 Jun 2025 · bloodwork, a1c, lipids15What does STEP 5 tell me about vomiting at the 40 mg dose?answered 15 Oct 2024 · clinical-trials, gi-side-effects, titration14How do I reconcile 97.9% from Medutest with 95.2% from the supplier?answered 6 Apr 2026 · purity, batch-testing, coa11How do I get 20 units out of a vial reconstituted to 3.33 mg/mL without guessing?answered 13 Apr 2024 · insulin-syringe, dosing-math, diluent-volume11How does orforglipron at 15 mg weekly compare on cost per milligram across routes?answered 27 Jul 2026 · cost-analysis, vendor-comparison, dosing-math10Is 98.4% a realistic purity ceiling for dulaglutide given its chain length?answered 28 Jul 2026 · purity, hplc, peptide-mapping10What is the reported incidence of hair thinning on a GLP-1 receptor agonist in STEP 3?answered 7 Jul 2025 · gi-side-effects, clinical-trials, nausea10Why does compounded mazdutide potency vary between pharmacies?answered 22 Jun 2024 · compounding, content-assay, coa8Is a list of related substances from GGPeps sufficient basis to skip independent testing?answered 1 Jul 2026 · coa, batch-testing, harm-reduction5How does QST compare to Wuhan Wansheng Biotechnology on documentation quality?answered 3 Mar 2026 · vendor-comparison, coa, vendor-vetting5How is a beyond-use date set for compounded oral semaglutide in bacteriostatic water?accepted · answered 17 Oct 2025 · compounding, shelf-life, bacteriostatic-water4If I reconstitute a 50 mg vial with 1.5 mL of phosphate-buffered diluent, what concentration do I end up with?answered 17 Feb 2026 · reconstitution, diluent-volume, dosing-math4Is semaglutide at 2 mg/mL stable enough for three weeks of multi-withdrawal use?answered 8 Nov 2025 · peptide-stability, bacteriostatic-water, shelf-life4Would you accept 96.4% on mazdutide from QST without a content assay?answered 10 Sept 2025 · purity, content-assay, vendor-vetting3How do I reconcile 98.8% from Janoshik with 96.4% from the supplier?answered 6 Jan 2026 · purity, batch-testing, coa-2Is REDEFINE-1 a fair comparison of oral semaglutide against its comparator arm?answered 2 Sept 2025 · clinical-trials, semaglutide, tirzepatide