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ForumsOther Peptides & Research CompoundsBPC-157 actually fixed my bad knee?? Is this placebo — what worked for you?

BPC-157 actually fixed my bad knee?? Is this placebo — what worked for you?

lori_vegas Sun, Dec 28, 2025 at 9:08 PM 15 replies 1,045 viewsPage 1 of 3
lori_vegas
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Dec 28, 2025 at 9:08 PM#1

Collecting this in one place because it comes up every few weeks and the answer is always assembled from scratch. It is about the trial evidence, and it is deliberately narrow — everything I am not confident about is marked as such.

What is actually established

The gap between trial results and real-world results is consistent and it is not fraud. Trial participants get titration by protocol, scheduled contact, free drug and dietetic support; removing that infrastructure costs a few percentage points every time it has been measured. When your own curve sits below the published mean, that is the likeliest explanation before anything about you or your material.

The condition it depends on

Subgroup analyses deserve particular suspicion. With enough subgroups something is significant by chance, and pre-registered subgroups are a different animal from ones found afterwards.

The practical version

A quick sanity check on any figure quoted here: is it mean or median, is it intention-to-treat or completers, and what was the comparator. Three questions, and they resolve most disagreements in these threads.

What I am not sure about

The bit I cannot resolve on my own is how to read a result like this without either dismissing it or over-reading it, since the summaries all read like press releases. Practical detail welcome, however dull — the duller the better.

— lori_vegas · corrections welcome and will be edited into this post with credit
19 14amy_econ_NJ, bbq_ray_KC, oliver_london and 16 others
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Dr.ObesityMed
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Dec 28, 2025 at 9:41 PM#2
lori_vegas said:
The gap between trial results and real-world results is consistent and it is not fraud.

lori_vegas has the substance of this right. The condition it depends on is worth stating. Read four things before the headline number. The population, because trial populations are selected and supported in ways that real cohorts are not. The comparator, because "better than placebo" and "better than the current standard" are different claims and get reported identically. The primary endpoint as pre-registered, because a secondary endpoint promoted after the fact is a hypothesis rather than a finding. And the completion rate, because a large effect in the half of participants who finished is a different result from a large effect in everybody enrolled.

18 13PharmacoVig_BOS, SurmountFan_IN, PeptideChemSF and 15 others
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sarah.morrison
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Dec 28, 2025 at 10:14 PM#3
lori_vegas said:
The gap between trial results and real-world results is consistent and it is not fraud.

I read this differently from lori_vegas, on substance rather than tone. I would add the less popular caveat: these trial populations under-represented several groups, older adults and the highest BMI categories among them. The results probably generalise, and "probably" should be stated as an assumption rather than dropped.

Last edited: Dec 28, 2025 at 11:14 PM
17 12tony_orlando, Dr.NephBHM_UK, kim_atl_prep and 14 others
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PharmD_Rodriguez
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Dec 28, 2025 at 10:47 PM#4

Taking the question as asked, rather than the general version of it. Relative and absolute effects need reading together. A 20% relative reduction on a high baseline risk is a large absolute benefit; the same relative figure on a low baseline risk is a small one, and press summaries almost always quote the relative number because it is bigger.

If somebody has the primary source to hand I would rather cite it than paraphrase it.

Last edited: Dec 29, 2025 at 3:47 AM
16 11dan_philly, MeganSA_TX, LarryQC_SD and 13 others
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SkepticalSean
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Dec 29, 2025 at 1:49 AM#5
Dr.ObesityMed said:
Read four things before the headline number.

This matches mine closely enough to be worth saying so out loud. Posting only so the count is not one.

15 10Dr.LipidDallas, alex_tucson, kevin_tulsa and 12 others
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