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Evidence-based GLP-1 & peptide discussion since 2023
ForumsCardiovascular OutcomesArterial stiffness reduction on GLP-1 — looking for input Page 3

Arterial stiffness reduction on GLP-1 — looking for input

RickReta_CO Thu, Feb 19, 2026 at 5:44 AM 21 replies 1,183 viewsPage 3 of 5
pete_nash
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Feb 22, 2026 at 2:45 PM#11
ingrid_STO said:
Dizziness and cardiovascular risk: I was lightheaded for the first 2 weeks.

Thank you for spelling out the reasoning rather than just the conclusion.

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PharmD_Rodriguez
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Feb 24, 2026 at 10:45 PM#12

Adding the clinical framing, because it changes how the question reads.

I want to bring up the cardiovascular angle on cardiovascular risk.

The SELECT trial demonstrated a 20% reduction in MACE with semaglutide 2.4mg[1]. This is practice-changing because the CV benefit appears to be independent of the degree of weight loss — suggesting direct vascular and anti-inflammatory mechanisms.

For cardiovascular risk, this means we need to think beyond the primary outcome and consider the cardiovascular implications. The all-cause mortality reduction (HR 0.81) is the most clinically meaningful signal.

References:
[1] Lincoff AM, et al. N Engl J Med. 2023;389(24):2221-2232.
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DataDave
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Feb 27, 2026 at 6:47 AM#13
hans_munich said:
CRP reduction on cardiovascular risk — this is the lab result that excites me most: Baseline hsCRP: 11.0 mg/L (high cardiovascular risk) Month 6…
hans_munich said:
...we don't know the long-term effects of cardiovascular risk...

This is a fair point, and I think intellectual honesty requires acknowledging it. GLP-1 agonists in their current form have ~8-10 years of human exposure data. That's not nothing, but it's not 30+ years either.

However: the risk-benefit calculation should also consider the KNOWN long-term effects of untreated obesity — diabetes, cardiovascular disease, cancer, joint destruction, reduced lifespan by 5-10 years.

Uncertainty about GLP-1 long-term safety vs certainty about obesity consequences. The calculus seems clear to me, but reasonable people can disagree.

Last edited: Feb 27, 2026 at 7:47 AM
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BethLabQueen
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Mar 1, 2026 at 2:50 PM#14
RickReta_CO said:
SELECT is the trial that changed the framing of this class, because it was an outcome trial rather than a weight trial: about a 20% relative reduction…

Senior perspective on cardiovascular risk: I'm 70 years old and started this journey skeptically. My internist recommended it after years of failed interventions.

8 months later: down 43 lbs, more mobile, pain reduced, medications simplified. My quality of life has improved dramatically. I wish this existed 20 years ago.

To other older adults hesitating: the SELECT trial proved benefit in our age group. You deserve to feel good in your body regardless of age.

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mike_mod
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Mar 3, 2026 at 10:54 PM#15

Moderator note: reminder that nothing in this thread is medical advice, and that clinical claims need a source. Tagging this one for the weekly digest.

Last edited: Mar 4, 2026 at 12:54 AM
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