REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026RESEARCHA Phase 2 Study of Vosoritide in Children With Idiopathic Short Stature [NCT06382155]RESEARCHMetabolic Effects of Angiotensin-(1-7) [NCT02646475]RESEARCHEvaluation of Tirzepatide as an Adjunct to Buprenorphine for the Treatment of Opioid Use Disorder [NCT06651177]RESEARCHMulti-Site Trial of Tirzepatide for Smoking Cessation [NCT07602699]RESEARCHA Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide [NCT06897475]RESEARCHTranslational Health Research Into Vascular and Neurocognitive Effects of Weight Loss [NCT07592546]RESEARCHTirzepatide in the Treatment of Endometrial Cancer [NCT07605247]RESEARCHA Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes During Ramadan [NCT06635057]RESEARCHA Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes) [NCT07165028]NEWSOorja, run by Acceleron veterans, launches to make new fibrosis drugsREGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026RESEARCHA Phase 2 Study of Vosoritide in Children With Idiopathic Short Stature [NCT06382155]RESEARCHMetabolic Effects of Angiotensin-(1-7) [NCT02646475]RESEARCHEvaluation of Tirzepatide as an Adjunct to Buprenorphine for the Treatment of Opioid Use Disorder [NCT06651177]RESEARCHMulti-Site Trial of Tirzepatide for Smoking Cessation [NCT07602699]RESEARCHA Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide [NCT06897475]RESEARCHTranslational Health Research Into Vascular and Neurocognitive Effects of Weight Loss [NCT07592546]RESEARCHTirzepatide in the Treatment of Endometrial Cancer [NCT07605247]RESEARCHA Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes During Ramadan [NCT06635057]RESEARCHA Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes) [NCT07165028]NEWSOorja, run by Acceleron veterans, launches to make new fibrosis drugs

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Science & Research
9

AOD-9604 — Deep Dive into the Science

Evan Grimes·about 2 months ago
Taking a deep dive into the science behind AOD-9604. This is going to be somewhat technical but I will try to keep it accessible. At its core, AOD-9604 is a peptide that interacts with cell-surface receptors to trigger intracellular signaling cascades. The specific receptor targets have been identified through binding assays and confirmed with knockout models. The downstream effects include modulation of gene expression patterns related to repair, recovery, and homeostasis. What sets AOD-9604 apart from other peptides targeting similar pathways is its selectivity profile. It appears to activate beneficial pathways with relatively high affinity while showing minimal activity at off-target receptors. This selectivity likely explains the generally mild side effect profile reported in clinical use. The bioavailability question is important. Studies comparing different routes of administration suggest that subcutaneous injection provides the most consistent absorption kinetics for AOD-9604. Oral bioavailability is poor due to enzymatic degradation in the GI tract. Stability is another practical consideration. AOD-9604 is reasonably stable in solution when stored at 2-8 degrees Celsius, but degrades rapidly at room temperature. This has direct implications for how users should handle and store the reconstituted product. I think the scientific foundation for AOD-9604 is solid, though I would like to see more Phase 3 clinical trials before making strong claims about efficacy.

Comments (4)

Scout CarrollDEMO·about 2 months ago

Interesting data. My AOD-9604 experience was somewhat different — I noticed effects earlier than you did, probably because I started at a higher initial dose. Trade-off was more pronounced side effects in week 1 that resolved by week 2. Neither approach is wrong, just different risk-reward profiles.

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Tate ChenDEMO·about 2 months ago

This thread has been incredibly helpful for understanding AOD-9604. I have been on the fence about starting for months and reading detailed real-world experiences like these has been more useful than any blog post or article I have found. The fact that most reports here are moderate rather than extreme actually increases my confidence.

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Sam CrossDEMO·about 2 months ago

One thing I wish more AOD-9604 discussions covered is the discontinuation experience. What happens when you stop? In my case, the benefits gradually faded over about 3-4 weeks after stopping. Sleep was the first thing to return to baseline. Recovery improvements lasted a bit longer. Worth knowing for planning protocol duration.

2
Chris BarkerDEMO·about 2 months ago

Great point about bloodwork. I ran comprehensive panels at baseline, 6 weeks, and 12 weeks during my AOD-9604 protocol. The most informative markers for me were inflammatory markers and IGF-1 levels. Would strongly recommend anyone running AOD-9604 to invest in proper monitoring.

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