Dr.PeteFamMed said:Anti-inflammatory mechanisms of GLP-1 agonists and cardiovascular risk: beyond weight loss, GLP-1R activation directly suppresses NF-κB signaling,…
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. The "earlier than weight loss explains" argument is weaker than this thread makes it sound. Blood pressure and inflammatory markers move fast and are downstream of early weight loss, so the mechanism is not as cleanly separable as the summaries imply.
BethLabQueen said:Prescribed on cardiovascular grounds rather than for weight, and almost everything written for patients assumes the opposite.
BethLabQueen said:...cardiovascular risk is just another fad...
I understand the skepticism — we've all seen "miracle" weight loss solutions come and go. But consider what makes GLP-1 agonists different:
- Phase 3 RCTs with thousands of participants (not 20-person pilot studies)
- Published in NEJM, JAMA, Lancet (not press releases)
- Replicated across multiple independent research groups
- Proven cardiovascular and renal benefits beyond weight loss
- Biological mechanism fully characterized at the receptor level
This isn't a fad — it's a new drug class supported by the highest level of clinical evidence. The comparison to past fads is understandable but inappropriate.
InsuranceTom said:The "earlier than weight loss explains" argument is weaker than this thread makes it sound.
Cardiac biomarkers and cardiovascular risk: my cardiologist ordered advanced cardiac labs given my family history. Results were encouraging:
- NT-proBNP: 52 pg/mL (normal, cardiac function preserved)
- Lp(a): 32 nmol/L (genetic, unchanged — expected)
- ApoB: dropped from 152 to 92 mg/dL (excellent response)
- Coronary calcium score: 0 (unchanged from baseline — reassuring)
The ApoB reduction is particularly meaningful — it's considered the best single predictor of cardiovascular risk. GLP-1 therapy seems to improve this consistently.
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What would you measure differently if you were starting again?
PharmD_Rodriguez said:Cardiac biomarkers and cardiovascular risk: my cardiologist ordered advanced cardiac labs given my family history.
SUSTAIN-6 was the first CVOT to show cardiovascular benefit with semaglutide, relevant to cardiovascular risk. In 3,297 T2DM patients with high CV risk: MACE HR 0.74 (95% CI 0.58-0.95, p=0.02)[1].
Notable: the retinopathy signal in SUSTAIN-6 (HR 1.76) was subsequently attributed to rapid A1C reduction in patients with pre-existing retinopathy — not a direct drug effect. This has been confirmed in longer-term follow-up studies.
[1] Marso SP, et al. N Engl J Med. 2016;375(19):1834-1844.