Dr_Ilse_Vandenberg
Consultant endocrinologist. I read trials for a living and I will ask you for the estimand.
113kreputation
360answers
60accepted
21questions
2·4·8badges g·s·b
90tags
156How comparable are semaglutide and survodutide on the evidence available?accepted · answered 8 Aug 2024 · clinical-trials, semaglutide, tirzepatide156Five weeks with no scale movement at month five: how do I tell adaptive thermogenesis from adherence drift?accepted · answered 26 May 2025 · plateau, dosing-math, nutrition114What does the mechanism of semaglutide predict that STEP 3 did not test?accepted · answered 13 Sept 2025 · glp1-mechanism, clinical-trials, gip-receptor112Is SOUL a fair comparison of oral semaglutide against its comparator arm?accepted · answered 4 Sept 2025 · clinical-trials, semaglutide, tirzepatide104How long does a Hangzhou to the Netherlands lane usually take with tracking?answered 25 Jul 2024 · international-shipping, customs, cold-chain104What is the reported incidence of headache on tirzepatide in SURPASS-2?accepted · answered 9 Jul 2024 · clinical-trials, harm-reduction, tirzepatide102What does STEP 2 tell me about injection-site erythema at the 2 mg dose?accepted · answered 3 Sept 2024 · clinical-trials, injection-site-reaction, titration100Does the SURMOUNT-OSA population resemble anyone asking about a GLP-1 receptor agonist here?accepted · answered 25 Feb 2025 · clinical-trials, harm-reduction, semaglutide96How long is reconstituted semaglutide or tirzepatide actually stable at 4 °C, and what published data exists behind any of the numbers people quote?accepted · answered 18 Jul 2025 · shelf-life, peptide-stability, semaglutide95What is the reported incidence of early satiety on tirzepatide in SURPASS-2?answered 21 Nov 2024 · gi-side-effects, clinical-trials, tirzepatide94SELECT reported HR 0.80 for MACE. What does that actually license me to conclude?accepted · answered 26 Nov 2024 · semaglutide, cardiovascular, clinical-trials94What is the reported incidence of reflux on semaglutide in ESSENCE?answered 19 Jan 2025 · gi-side-effects, clinical-trials, semaglutide94Which lipid measures actually move with 18% weight loss, and which barely budge?accepted · answered 3 Aug 2024 · lipids, bloodwork, semaglutide88Is 8 mg in 3 mL of sterile water for injection a sensible presentation for semaglutide?answered 1 Dec 2024 · diluent-volume, reconstitution, dosing-math87What did the placebo arm of STEP 1 report for early satiety?answered 27 Sept 2024 · clinical-trials, gi-side-effects82What does TRIUMPH-3 tell me about fatigue at the 12 mg dose?accepted · answered 1 Jul 2024 · clinical-trials, fatigue, titration80How comparable are semaglutide and liraglutide on the evidence available?answered 27 May 2024 · clinical-trials, semaglutide, tirzepatide80Why does aspartimide formation accelerate at 40 °C rather than proceeding linearly?answered 22 May 2024 · peptide-stability, storage, hplc79Is STEP 8 a fair comparison of semaglutide against its comparator arm?answered 13 Aug 2025 · clinical-trials, semaglutide, tirzepatide79Why do two papers on TRIUMPH-3 report different headline figures?accepted · answered 21 May 2026 · clinical-trials, dosing-math, semaglutide77How comparable are a GLP-1 receptor agonist and semaglutide on the evidence available?accepted · answered 29 Mar 2025 · clinical-trials, semaglutide, tirzepatide77How does semaglutide at 2.4 mg weekly compare on cost per milligram across routes?accepted · answered 10 Jul 2024 · cost-analysis, vendor-comparison, dosing-math77What did STEP 4 do with participants who could not tolerate a step?accepted · answered 1 Mar 2025 · titration, clinical-trials, gi-side-effects76Does the STEP 3 population resemble anyone asking about a GLP-1 receptor agonist here?accepted · answered 1 Nov 2024 · clinical-trials, harm-reduction, semaglutide75Does a GLP-1 receptor agonist adsorb measurably to the vial wall at 4 mg/mL?answered 7 Sept 2024 · peptide-stability, content-assay, storage72What did SUSTAIN-6 do with participants who could not tolerate a step?accepted · answered 15 May 2025 · titration, clinical-trials, gi-side-effects72What does SURMOUNT-OSA tell me about nausea at the 15 mg dose?answered 11 Jun 2024 · clinical-trials, nausea, titration72What is the arithmetic to convert 5 mg in 1 mL into units on a U-100 scale?answered 6 Jun 2025 · dosing-math, insulin-syringe, reconstitution71How comparable are dulaglutide and cagrilintide on the evidence available?accepted · answered 24 Jan 2025 · clinical-trials, semaglutide, tirzepatide70Does a formic acid mobile phase change the purity number I get for cagrilintide on a wide-pore C18 column?answered 24 Oct 2024 · hplc, purity, reference-standard69Is there a pharmacokinetic case for moving semaglutide injection day by seven days?answered 12 Apr 2025 · missed-dose, glp1-mechanism, dosing-math69What does 96.8% purity on a C8 column actually tell me about a liraglutide vial?answered 11 Jul 2025 · hplc, purity, coa67What fraction of loss on semaglutide is lean mass according to STEP 1?answered 14 May 2025 · lean-mass, muscle-loss, dexa66What did the placebo arm of SURMOUNT-1 report for dizziness?accepted · answered 17 Apr 2026 · clinical-trials, harm-reduction66What does ESSENCE tell me about constipation at the 1 mg dose?accepted · answered 14 Apr 2024 · clinical-trials, constipation, titration64If I reconstitute a 60 mg vial with 5 mL of bacteriostatic water, what concentration do I end up with?answered 11 Jan 2025 · reconstitution, diluent-volume, dosing-math64What fraction of loss on oral semaglutide is lean mass according to SOUL?answered 25 Jun 2025 · lean-mass, muscle-loss, dexa64What is the reported incidence of nausea on a GLP-1 receptor agonist in STEP 8?answered 7 Feb 2025 · nausea, clinical-trials63How comparable are survodutide and mazdutide on the evidence available?answered 15 Nov 2024 · clinical-trials, semaglutide, tirzepatide62I want to move my injection day. How much drift does the label actually allow, and in which direction?accepted · answered 14 Jul 2025 · missed-dose, dosing-math, semaglutide62What does a payer want to see before approving oral semaglutide?accepted · answered 27 Nov 2024 · prior-authorization, insurance, t2dm62What is the reported incidence of fatigue on semaglutide in STEP 5?answered 13 Nov 2025 · fatigue, clinical-trials, semaglutide61How do you actually compute cost per milligram across brand, compounded and research-grade routes?accepted · answered 3 Jun 2025 · cost-analysis, dosing-math, semaglutide61How comparable are orforglipron and retatrutide on the evidence available?accepted · answered 21 Nov 2025 · clinical-trials, semaglutide, tirzepatide61Is 2.4 mg weekly a defensible maintenance dose for liraglutide?accepted · answered 2 Jul 2026 · maintenance-dose, clinical-trials, dosing-math61Is REDEFINE-1 a fair comparison of cagrilintide against its comparator arm?accepted · answered 21 Jan 2025 · clinical-trials, semaglutide, tirzepatide61Why do two papers on SURMOUNT-2 report different headline figures?answered 14 Nov 2024 · clinical-trials, dosing-math, semaglutide59Does holding at 5 mg for three weeks before escalating reduce dizziness?answered 15 Dec 2024 · titration, dose-escalation59Does the SURMOUNT-2 population resemble anyone asking about a GLP-1 receptor agonist here?accepted · answered 10 Feb 2026 · clinical-trials, harm-reduction, semaglutide59What is the reported incidence of headache on semaglutide in STEP 5?answered 8 Jul 2024 · clinical-trials, harm-reduction, semaglutide59Why would VendorInvestigate report 99.4% where the supplier certificate says something higher?answered 6 Mar 2026 · purity, hplc, batch-testing58Does headache at week two of semaglutide usually resolve without a dose change?answered 8 Jun 2025 · titration, harm-reduction, semaglutide58My liraglutide vial sat at 37 °C for fourteen days — is testing worth it before use?answered 18 Oct 2024 · cold-chain, peptide-stability, batch-testing58What does the regain curve actually look like after stopping, and how fast does it happen?answered 22 Jan 2025 · discontinuation, weight-regain, clinical-trials57Why does a low-dead-space syringe read differently from the volume I thought I drew at 3.33 mg/mL?answered 20 Apr 2025 · insulin-syringe, dead-space, dosing-math56How comparable are semaglutide and mazdutide on the evidence available?answered 29 Mar 2026 · clinical-trials, semaglutide, tirzepatide56How comparable are survodutide and liraglutide on the evidence available?accepted · answered 15 Jul 2026 · clinical-trials, semaglutide, tirzepatide56What did the placebo arm of SELECT report for nausea?accepted · answered 30 Sept 2025 · clinical-trials, nausea55Does the STEP 3 population resemble anyone asking about a GLP-1 receptor agonist here?answered 21 Oct 2024 · clinical-trials, harm-reduction, semaglutide54How much protein in grams do I need at 68 kg on 1,400 kcal a day?answered 9 Apr 2026 · protein-intake, nutrition, lean-mass54What did the placebo arm of TRIUMPH-3 report for constipation?accepted · answered 23 Oct 2024 · clinical-trials, constipation53What is the reported incidence of reflux on retatrutide in TRIUMPH-3?answered 3 Sept 2025 · gi-side-effects, clinical-trials, retatrutide52What does SURPASS-3 tell me about injection-site erythema at the 15 mg dose?answered 25 May 2025 · clinical-trials, injection-site-reaction, titration51How comparable are retatrutide and cagrilintide on the evidence available?accepted · answered 26 May 2025 · clinical-trials, semaglutide, tirzepatide51What did the placebo arm of REDEFINE-1 report for early satiety?answered 14 Jun 2024 · clinical-trials, gi-side-effects51What did the placebo arm of STEP 1 report for hair thinning?answered 31 Oct 2024 · clinical-trials, hair-loss51What does TRIUMPH-1 report at the 4 mg dose level?accepted · answered 18 Apr 2026 · clinical-trials, dosing-math, titration50What happens to orforglipron after eight weeks at 30 °C in solution?answered 12 Feb 2025 · peptide-stability, storage, shelf-life50What is a treatment-policy estimand and why does it change the number?answered 1 Oct 2025 · clinical-trials, semaglutide, dosing-math49How does semaglutide behave on a C4 column compared to liraglutide?answered 16 Jul 2024 · hplc, purity, reference-standard48What did the placebo arm of PIONEER-4 report for early satiety?answered 30 May 2025 · clinical-trials, gi-side-effects48What does SURPASS-2 tell me about hair thinning at the 15 mg dose?accepted · answered 1 Jun 2026 · clinical-trials, hair-loss, titration48What is the reported incidence of nausea on semaglutide in SUSTAIN-6?answered 9 Jan 2025 · nausea, clinical-trials, semaglutide47How comparable are liraglutide and semaglutide on the evidence available?answered 8 Oct 2025 · clinical-trials, semaglutide, tirzepatide47What does Medutest verification of GL Biochem (Shanghai) actually cover?answered 24 Feb 2026 · vendor-investigate, vendor-vetting, coa47What is the reported incidence of headache on semaglutide in STEP 5?answered 19 Jul 2024 · clinical-trials, harm-reduction, semaglutide46Is 15 mg weekly a defensible maintenance dose for ecnoglutide?accepted · answered 2 Nov 2024 · maintenance-dose, clinical-trials, dosing-math46Is 5 mg weekly a defensible maintenance dose for tirzepatide?answered 10 Jan 2025 · maintenance-dose, clinical-trials, dosing-math46Is GIP agonism or antagonism the metabolically useful direction?answered 1 Mar 2026 · gip-receptor, tirzepatide, glp1-mechanism45How do I compare TFC and GL Biochem on lead time to Ireland?answered 17 Jun 2024 · vendor-comparison, international-shipping, cold-chain45How do I convert the SOUL hazard ratio into an absolute risk reduction?answered 16 Jun 2025 · cardiovascular, clinical-trials, dosing-math44What does SURMOUNT-3 actually establish about tirzepatide?accepted · answered 19 Dec 2025 · clinical-trials, semaglutide, cardiovascular43How do I convert the SURPASS-2 hazard ratio into an absolute risk reduction?accepted · answered 14 May 2026 · cardiovascular, clinical-trials, dosing-math43If a semaglutide dose is missed by twenty-eight days, does the ladder reset?answered 14 Feb 2025 · missed-dose, titration, dosing-math42Does the TRIUMPH-3 population resemble anyone asking about retatrutide here?answered 18 Nov 2025 · clinical-trials, harm-reduction, semaglutide42Has anyone independently verified a QYB semaglutide batch COA?answered 9 Jul 2024 · vendor-vetting, coa, batch-testing41How comparable are oral semaglutide and mazdutide on the evidence available?accepted · answered 18 Apr 2026 · clinical-trials, semaglutide, tirzepatide41How do I compare WXT and JEEP on lead time to the Netherlands?answered 7 Jul 2024 · vendor-comparison, international-shipping, cold-chain41How does BCH compare to Shanghai Sigma-Audley on documentation quality?answered 18 Aug 2024 · vendor-comparison, coa, vendor-vetting41SELECT reported HR 0.80 for MACE. What does that actually license me to conclude?answered 15 Nov 2024 · semaglutide, cardiovascular, clinical-trials41What does STEP 3 report at the 2.4 mg dose level?answered 7 Dec 2024 · clinical-trials, dosing-math, titration41What does the mechanism of tirzepatide predict that SURMOUNT-4 did not test?accepted · answered 7 Apr 2026 · glp1-mechanism, clinical-trials, gip-receptor40Does early satiety at week eight of semaglutide usually resolve without a dose change?answered 7 Apr 2024 · gi-side-effects, titration, semaglutide40How comparable are oral semaglutide and semaglutide on the evidence available?answered 10 Aug 2024 · clinical-trials, semaglutide, tirzepatide40How many freeze-thaw cycles will tirzepatide at 1 mg/mL tolerate?answered 17 Jul 2024 · freeze-thaw, peptide-stability, storage40What is the reported incidence of vomiting on semaglutide in STEP 1?answered 17 Dec 2024 · vomiting, clinical-trials, semaglutide39Does oxidation dominate for oral semaglutide held at 30 °C?answered 17 Jul 2025 · peptide-stability, storage, hplc39Does the STEP 8 population resemble anyone asking about semaglutide here?accepted · answered 27 Jul 2025 · clinical-trials, harm-reduction, semaglutide39How do I check that two SSA lots of semaglutide agree on content assay?answered 15 Mar 2025 · batch-testing, content-assay, vendor-vetting39How do I get 5 units out of a vial reconstituted to 2.5 mg/mL without guessing?answered 15 Nov 2024 · insulin-syringe, dosing-math, diluent-volume39What does SELECT actually establish about a GLP-1 receptor agonist?accepted · answered 20 Dec 2024 · clinical-trials, semaglutide, cardiovascular39What does SURMOUNT-3 report at the 15 mg dose level?answered 26 May 2025 · clinical-trials, dosing-math, titration39What does TRIUMPH-1 actually establish about a GLP-1 receptor agonist?accepted · answered 20 Jun 2026 · clinical-trials, semaglutide, cardiovascular39What is a treatment-policy estimand and why does it change the number?answered 3 Nov 2025 · clinical-trials, semaglutide, dosing-math38How would I detect fibrillation in a semaglutide vial without sending it to Medutest?accepted · answered 31 May 2026 · vial-inspection, peptide-stability, harm-reduction38Is STEP 4 a fair comparison of a GLP-1 receptor agonist against its comparator arm?answered 22 May 2025 · clinical-trials, semaglutide, tirzepatide38What does STEP 4 report at the 1 mg dose level?answered 18 Apr 2025 · clinical-trials, dosing-math, titration37Does the STEP 1 population resemble anyone asking about semaglutide here?answered 25 Oct 2024 · clinical-trials, harm-reduction, semaglutide37If I reconstitute a 4 mg vial with 3 mL of phosphate-buffered diluent, what concentration do I end up with?answered 2 Oct 2025 · reconstitution, diluent-volume, dosing-math36Is an SGN order from Chengdu likely to hold cold chain to Germany?answered 21 Nov 2024 · cold-chain, international-shipping, vendor-comparison36What does TRIUMPH-3 tell me about headache at the 12 mg dose?answered 7 Nov 2024 · clinical-trials, titration35Does testosterone recover on weight loss alone in men?answered 4 Apr 2024 · hormones, bloodwork, clinical-trials35How does tirzepatide behave on a wide-pore C18 column compared to mazdutide?answered 14 Feb 2026 · hplc, purity, reference-standard35Is there any published stability data for mazdutide at room temperature?answered 31 Oct 2024 · peptide-stability, storage, clinical-trials34Does the SURMOUNT-2 population resemble anyone asking about tirzepatide here?accepted · answered 17 Feb 2026 · clinical-trials, harm-reduction, semaglutide34Is SURPASS-2 a fair comparison of tirzepatide against its comparator arm?answered 26 May 2026 · clinical-trials, semaglutide, tirzepatide34What did SUSTAIN-6 do with participants who could not tolerate a step?answered 26 May 2025 · titration, clinical-trials, gi-side-effects34What does STEP 1 actually establish about semaglutide?accepted · answered 5 Mar 2025 · clinical-trials, semaglutide, cardiovascular34What is the reported incidence of nausea on a GLP-1 receptor agonist in STEP 8?answered 1 Mar 2025 · nausea, clinical-trials33Does LDL-C tell me anything about hepatic fat on mazdutide?answered 31 Aug 2025 · liver-enzymes, mash, bloodwork