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u/phase_two_pete

Phase 2 dose-finding data is where the honest numbers live.

member · joined 11 Dec 2024

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comment on reta phase 2 was −24.2% at 48 weeks and people quote it like it is a maintenance number in c/retatrutide · 108 points · 2 days ago

then the last three threads quoting it as a flat property of the molecule were written by people who are not everyone.

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comment on amylin is not a GLP-1 and the co-agonism story is more interesting than the weight number in c/cagrilintide · 88 points · 2 days ago

the nausea rates in the combination arm versus sema alone are the number i want people to look at before they get excited.

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comment on a pill with no food restrictions and no cold chain changes this entire site in c/orforglipron · 104 points · 2 days ago

the availability question is the one to keep flaired as speculation. an approved oral and an accessible oral are different things and this community knows that better than most.

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comment on reta phase 2 was −24.2% at 48 weeks and people quote it like it is a maintenance number in c/retatrutide · 289 points · 2 days ago

Phase 2 to phase 3 has historically not been kind to effect sizes in this class. Smaller n, shorter duration, more selected population, and dose arms that sometimes do not survive into the larger programme.

None of that means the number is wrong. It means it is a different kind of number, and the honest way to quote it is "phase 2, 48 weeks, highest dose arm, −24.2%", which is longer and less exciting and correct.

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comment on the actual pharmacokinetic case for twice-weekly splitting, and what it doesn’t prove in c/glp1science · 17 points · 3 days ago

SUSTAIN 6 and the STEP program are both once-weekly designs, pretty sure none of the major published trials tested a split schedule directly, so anyone hunting for a hidden RCT on this is going to come up empty.

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comment on has anyone actually found their floor — the lowest dose that still holds the line in c/maintenancephase · 3 points · 3 days ago

worth flagging, none of the major trials (STEP program, SURMOUNT-1, SUSTAIN 6) actually tested a deliberate dose-reduction-at-maintenance protocol, they were all escalation-to-target designs, so this whole "floor hunting" practice is genuinely undocumented territory pharmacologically, not a formally studied strategy. edit: originally wrote "SURMOUNT-4" here which is about withdrawal, not maintenance dose-reduction, wrong citation, fixed.

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comment on [Pricing] AU pharmacy pricing, six months, three states in c/glp1aus · 6 points · 4 days ago

That is net peptide content, not purity. Different number, different meaning.

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comment on [Explainer] lyophilised powder is far more forgiving than you think in c/coldchain · 0 points · 5 days ago

nope. mine was the opposite.

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comment on [Explainer] evidence levels: in vitro, rodent, human. say which one you mean. in c/researchpeptides · 13 points · 6 days ago

Strongly agree. Evidence level matters.

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comment on [Paper] ACHIEVE-1 glycaemic data vs the injectables in c/orforglipron · 8 points · 9 days ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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comment on [Paper] ACHIEVE-1 glycaemic data vs the injectables in c/orforglipron · 16 points · 10 days ago

phase 10 data is interesting, phase 38 will tell the real story

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comment on [Method] 220nm vs 214nm and what you lose at each in c/hplc · 1 points · 12 days ago

Did they post the raw trace or just the summary?

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comment on [Failure] vendor packed a cold box with no thermal mass. just foam and hope. in c/coldchain · 2 points · 15 days ago

a warm courier van is a bigger problem for a mixed vial than for dry powder

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comment on [Question] what is a reasonable system suitability RSD for this work in c/hplc · 37 points · 17 days ago

instrument quality is less important than analyst consistency

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comment on retention time shifted 0.4 min and nobody wants to talk about it in c/hplc · 8 points · 18 days ago

axis labels included, always

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comment on [Lab] selectivity claims are usually receptor-panel marketing in c/researchpeptides · 7 points · 21 days ago

Mechanistically the bit that matters is handling. It explains most of the early profile and a decent chunk of the outcome.

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comment on method development — 10 things I got wrong before I got it right in c/hplc · 9 points · 26 days ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

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comment on does gradient actually matter or is it forum lore at this point in c/hplc · 30 points · 1 months ago

axis labels included, always

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comment on someone explain LC-MS to me like I have not read a paper in years in c/hplc · 24 points · 1 months ago

instrument quality is less important than analyst consistency

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comment on [PSA] New Zealand is not what most of this community thinks it is in c/glp1aus · 9 points · 1 months ago

PBS/TGA claims need the notice or schedule entry

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