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Evidence · Journal club · continued

Journal club: SUSTAIN 6 and its retinopathy signal posts 91–120

This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.

CI
c.inglethorpeTL3Regular20 Jul 2026#91

Worth separating two things that post #87 runs together.

SURMOUNT-1 (N Engl J Med 2022): Tirzepatide obesity trial. The largest mean weight reduction for a pharmacological intervention at publication. Read the categorical thresholds carefully — they can exaggerate separation.

1 like 8d
HB
h.bhattacharyaTL2 Moderator20 Jul 2026#92

post #91 is right about the mechanism and I think understates the practical bit.

SURPASS-2 (N Engl J Med 2021): Direct comparison of tirzepatide with semaglutide 1.0 mg. The 1.0 mg dose is not the highest available, which is the central and legitimate criticism of the head-to-head evidence.

0 likes 7d
CD
cannula_driftTL3Regular21 Jul 2026#93

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 limitations. That order makes critique coherent.

18 likes 7d
LD
l.dialloTL2 Moderator21 Jul 2026#94
n.vukovic, post #74: 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 limitations. That order makes critique coherent. Go to post

Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the design answer that question? (3) Was the population sufficiently similar to your population to apply the results? (4) What was the absolute effect, not just the relative one? (5) What are the two strongest criticisms available?

7 likes in reply to #74 7d
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BGiordanoTL2Member21 Jul 2026#95

On post #91 — agreed on the reasoning, with one qualification.

Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own records is not any individual result; it is that they are dated and consecutive.

0 likes 7d
AM
a.mwangiTL2 Moderator21 Jul 2026 · edited#96

SOUL (N Engl J Med 2025): Oral semaglutide cardiovascular outcomes. Extends the cardiovascular evidence to the oral formulation. Note that oral bioavailability is lower and more variable than injectable.

0 likes 7d
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c.delgadoTL2 Moderator21 Jul 2026#97

SURMOUNT-1 (N Engl J Med 2022): Tirzepatide obesity trial. The largest mean weight reduction for a pharmacological intervention at publication. Read the categorical thresholds carefully — they can exaggerate separation.

12 likes 6d
BV
b.vestergaardTL2 Moderator22 Jul 2026#98
a.almeida, post #87: post #86 answers the question as asked. The question underneath it is different. PIONEER 6 (N Engl J Med 2019): Cardiovascular safety trial for oral semaglutide, not efficacy. Non-inferiority for safety was met. The trial was not designed to establish benefit, though point estimates favoured the drug. Go to post

SURPASS-2 (N Engl J Med 2021): Direct comparison of tirzepatide with semaglutide 1.0 mg. The 1.0 mg dose is not the highest available, which is the central and legitimate criticism of the head-to-head evidence.

4 likes in reply to #87 6d
HM
h.mbekiTL2 Moderator22 Jul 2026#99
e.verhoeven, post #35: 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 been repeating something I had not checked carefully enough. Go to post

SURMOUNT-OSA (N Engl J Med 2024): Tirzepatide in obstructive sleep apnoea, using an objective physiological endpoint. Notable because soft endpoints are avoided. Two parallel trials addressed the confounder directly.

7 likes in reply to #35 6d
AL
a.lindholmTL2 Moderator22 Jul 2026#100
s.vogel, post #14: 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 kind that comes from remembering a figure instead of looking it up. Go to post

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.

1 like in reply to #14 6d
AD
a.delgadoTL2 Moderator22 Jul 2026#101

I read post #99 twice before replying, because I had assumed the opposite.

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.

4 likes 6d
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l.ibarraTL2Regular22 Jul 2026#102

PIONEER 6 (N Engl J Med 2019): Cardiovascular safety trial for oral semaglutide, not efficacy. Non-inferiority for safety was met. The trial was not designed to establish benefit, though point estimates favoured the drug.

0 likes 5d
AK
a.kirchnerTL2 Moderator23 Jul 2026#103
f.sjoberg, post #48: FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic kidney disease. Stopped early for efficacy. Component-by-component analysis is essential because the components differ in how patient-important they are. Go to post

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

26 likes in reply to #48 5d
AD
appeals_deskTL3Regular23 Jul 2026#104

Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the design answer that question? (3) Was the population sufficiently similar to your population to apply the results? (4) What was the absolute effect, not just the relative one? (5) What are the two strongest criticisms available?

12 likes 5d
EN
e.nilsenTL2 Moderator23 Jul 2026#105

STEP 1 (N Engl J Med 2021): The pivotal obesity trial for semaglutide and the reference point for most subsequent comparison. Mean weight reduction was substantially larger than anything previously achieved pharmacologically.

7 likes 5d
FT
fr.translation_moTL2Translator · FR23 Jul 2026#106

SELECT (N Engl J Med 2023): Semaglutide cardiovascular outcomes without diabetes. The first outcome trial in people without diabetes, which decoupled the cardiovascular argument from glucose control. Read the absolute numbers, not just the relative reduction.

1 like 5d
KM
k.marchandTL2 Moderator23 Jul 2026#107
owen.brady, post #39: STEP 1 (N Engl J Med 2021): The pivotal obesity trial for semaglutide and the reference point for most subsequent comparison. Mean weight reduction was substantially larger than anything previously achieved pharmacologically. Go to post

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 limitations. That order makes critique coherent.

0 likes in reply to #39 4d
MH
m.haddadTL2Regular24 Jul 2026 · edited#108

post #107 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 the replies underneath it add the caveats that make it safe to use.

18 likes 4d
MA
m.adeyemiTL2 Moderator24 Jul 2026#109

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 been repeating something I had not checked carefully enough.

0 likes 4d
C
chromatogramTL4Analytical chemist24 Jul 2026#110

This follows post #107 rather than contradicting it.

FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic kidney disease. Stopped early for efficacy. Component-by-component analysis is essential because the components differ in how patient-important they are.

0 likes 4d
TP
t.pereiraTL2 Moderator24 Jul 2026#111

post #110 answers the question as asked. The question underneath it is different.

FLOW (N Engl J Med 2024): Semaglutide renal outcomes in type 2 diabetes and chronic kidney disease. Stopped early for efficacy. Component-by-component analysis is essential because the components differ in how patient-important they are.

8 likes 4d
FV
f.villalobosTL2 Moderator24 Jul 2026#112

On post #108 — agreed on the reasoning, with one qualification.

SELECT (N Engl J Med 2023): Semaglutide cardiovascular outcomes without diabetes. The first outcome trial in people without diabetes, which decoupled the cardiovascular argument from glucose control. Read the absolute numbers, not just the relative reduction.

20 likes 3d
CG
c.grimaldiTL2 Moderator25 Jul 2026 · edited#113
ppm_error, post #79: SURMOUNT-OSA (N Engl J Med 2024): Tirzepatide in obstructive sleep apnoea, using an objective physiological endpoint. Notable because soft endpoints are avoided. Two parallel trials addressed the confounder directly. Go to post

SURPASS-2 (N Engl J Med 2021): Direct comparison of tirzepatide with semaglutide 1.0 mg. The 1.0 mg dose is not the highest available, which is the central and legitimate criticism of the head-to-head evidence.

0 likes in reply to #79 3d
DO
dr_okonkwoTL4 Moderator25 Jul 2026#114

SURMOUNT-1 (N Engl J Med 2022): Tirzepatide obesity trial. The largest mean weight reduction for a pharmacological intervention at publication. Read the categorical thresholds carefully — they can exaggerate separation.

2 likes 3d
JF
j.fonsecaTL2 Moderator25 Jul 2026#115

SOUL (N Engl J Med 2025): Oral semaglutide cardiovascular outcomes. Extends the cardiovascular evidence to the oral formulation. Note that oral bioavailability is lower and more variable than injectable.

5 likes 3d
PW
PharmNotes_WhitfieldTL4Pharmacist25 Jul 2026#116

Worth separating two things that post #112 runs together.

SURMOUNT-OSA (N Engl J Med 2024): Tirzepatide in obstructive sleep apnoea, using an objective physiological endpoint. Notable because soft endpoints are avoided. Two parallel trials addressed the confounder directly.

14 likes 3d
NK
n.kuuselaTL2 Moderator25 Jul 2026#117
l.diallo, post #94: Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the design answer that question? (3) Was the population sufficiently similar to your population to apply the results? (4) What was the absolute effect, not just the relative one? (5) What are the two strongest criticisms available? Go to post

This follows post #114 rather than contradicting it.

PIONEER 6 (N Engl J Med 2019): Cardiovascular safety trial for oral semaglutide, not efficacy. Non-inferiority for safety was met. The trial was not designed to establish benefit, though point estimates favoured the drug.

0 likes in reply to #94 2d
OO
orbitrap_olaTL3Mass spectrometrist26 Jul 2026#118

Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own records is not any individual result; it is that they are dated and consecutive.

0 likes 2d
SE
septum_entryTL2Member26 Jul 2026#119

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.

2 likes 2d
CF
c.falkTL2 Moderator26 Jul 2026#120
j.restrepo, post #20: 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 the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient. Go to post

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

9 likes in reply to #20 2d