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Compounds · Other compounds

When "no data" is the complete and final answer

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Solved by s.poulsen in post #4
On post #2 — agreed on the reasoning, with one qualification. Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or treatment. The label does not tell you whether the molecule is safe, efficacious, or what its…

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NP
n.petrovTL2 Moderator5 Oct 2024#1

Asking directly, because I could not find a straight answer: When "no data" is the complete and final answer

I have seen SURMOUNT-1 (N Engl J Med, 2022) cited in support of a claim I do not think it supports, twice this month, so I would like to work through what it actually shows.

My reading is that the trial is sound for its own question and is being stretched to answer a different one. I might be wrong about that, which is why this is a topic rather than a correction.

What I would like from this discussion: someone who disagrees with me to say why, with the section of the paper they are relying on.

22 likes 22mo
NT
n.torrenceTL3Regular9 Oct 2024#2

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.

25 likes 22mo
PO
pe.onwukaTL2 Moderator12 Oct 2024#3

Distinguishing marketed research compounds from true chemical synthesis: some online suppliers sell compounds that are genuinely novel and difficult to obtain elsewhere. Others repackage standard compounds. Verifying what you are buying requires careful documentation review.

0 likes 22mo
SP
s.poulsenTL3Regular Solution15 Oct 2024#4
n.torrence, post #2: 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. Go to post

On post #2 — agreed on the reasoning, with one qualification.

Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or treatment. The label does not tell you whether the molecule is safe, efficacious, or what its effects are.

8 likes in reply to #2 21mo
NS
ni.stanescuTL2 Moderator17 Oct 2024#5

Reading a supplier's product description as a marketing document: that is exactly what it is. The hyperbole, the mechanism written as fact, the theoretical benefits stated as established benefits — all of that is marketing. Treat it as such and separate it from evidence where evidence exists.

7 likes 21mo
AR
ambient_reviewTL3Regular19 Oct 2024 · edited#6

Compounds this community declines to help with, and why: there are specifics in the guidelines and they are not arbitrary. They exist because of failure modes that have happened in real people, not because of prudishness.

18 likes 21mo
KO
k.okaforTL2 Moderator21 Oct 2024#7

post #6 is right about the mechanism and I think understates the practical bit.

Naming conventions for research peptides cause confusion because suppliers do not follow a standard. The same compound gets different names from different suppliers. If you are researching something, confirming the sequence or mass is more reliable than confirming the name.

0 likes 21mo
JH
j.habermannTL3Regular23 Oct 2024#8
ni.stanescu, post #5: Reading a supplier's product description as a marketing document: that is exactly what it is. The hyperbole, the mechanism written as fact, the theoretical benefits stated as established benefits — all of that is marketing. Treat it as such and separate it from evidence where evidence exists. Go to post

Worth separating two things that post #4 runs together.

Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that actually matters. A supplier's certificate stating the name is not verification.

0 likes in reply to #5 21mo
GE
g.ekstromTL2 Moderator25 Oct 2024#9
ambient_review, post #6: Compounds this community declines to help with, and why: there are specifics in the guidelines and they are not arbitrary. They exist because of failure modes that have happened in real people, not because of prudishness. Go to post

This subcategory exists because some people will research compounds outside the main groups discussed here. The standard of evidence and honesty about its limits applies to everything discussed, not just to approved drugs.

24 likes in reply to #6 21mo
B
BBramleyTL3Regular27 Oct 2024#10

How to research a compound with no human data: mechanistic plausibility is one input. Preclinical data is another. The honest position is that you are reasoning from theory, not from evidence, and the track record of such reasoning is unimpressive when tested against actual outcomes.

0 likes 21mo
OA
o.abrahamsenTL3Regular29 Oct 2024#11

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.

15 likes 21mo
KA
k.adeyemiTL231 Oct 2024#12
L
LJankowiakTL3Regular1 Nov 2024#13
n.torrence, post #2: 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. Go to post

Coming back to post #11, because the follow-up matters more than the original answer.

Why catalogue breadth is not evidence of anything: a supplier listing 500 compounds does not make the 450 untested ones likely to work. It makes them untested compounds with supplier pages.

0 likes in reply to #2 21mo
RN
r.novakTL2 Moderator3 Nov 2024#14
k.adeyemi, post #12: post #11 answers the question as asked. The question underneath it is different. Melanocortin agonists: mechanism involves the melanocortin-4 receptor pathway that regulates appetite. The documented adverse profile includes blood pressure elevation and erections of sustained duration, the second of which is specific enough that it is… Go to post

AOD-9604 is a fragment of human growth hormone and has been discussed as a potential weight-loss agent based on theoretical mechanism. The fragment hypothesis — that the fragment retains a specific property of the intact hormone — is not settled for this compound.

30 likes in reply to #12 21mo
CE
crossover_entryTL3Regular5 Nov 2024#15

Compounds this community declines to help with, and why: there are specifics in the guidelines and they are not arbitrary. They exist because of failure modes that have happened in real people, not because of prudishness.

22 likes 21mo
BW
br.wikstromTL2 Moderator7 Nov 2024 · edited#16

Reading a supplier's product description as a marketing document: that is exactly what it is. The hyperbole, the mechanism written as fact, the theoretical benefits stated as established benefits — all of that is marketing. Treat it as such and separate it from evidence where evidence exists.

9 likes 21mo
TS
t.steenkampTL2Member8 Nov 2024#17
n.petrov, post #1: Asking directly, because I could not find a straight answer: When "no data" is the complete and final answer I have seen SURMOUNT-1 ( N Engl J Med , 2022) cited in support of a claim I do not think it supports, twice this month, so I would like to work through what it actually shows. My reading is that the trial is sound for its own… Go to post

I read post #15 twice before replying, because I had assumed the opposite.

Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that actually matters. A supplier's certificate stating the name is not verification.

1 like in reply to #1 21mo
AW
ai.wikstromTL2 Moderator10 Nov 2024#18

This follows post #15 rather than contradicting it.

Naming conventions for research peptides cause confusion because suppliers do not follow a standard. The same compound gets different names from different suppliers. If you are researching something, confirming the sequence or mass is more reliable than confirming the name.

0 likes 21mo
MD
methods_draftTL2Member11 Nov 2024#19

This subcategory exists because some people will research compounds outside the main groups discussed here. The standard of evidence and honesty about its limits applies to everything discussed, not just to approved drugs.

29 likes 20mo
NR
n.ramosTL2 Moderator13 Nov 2024#20
ni.stanescu, post #5: Reading a supplier's product description as a marketing document: that is exactly what it is. The hyperbole, the mechanism written as fact, the theoretical benefits stated as established benefits — all of that is marketing. Treat it as such and separate it from evidence where evidence exists. Go to post

When "no data" is the complete and final answer: if there is no published human data on a compound, that is the state of knowledge. Hope is not a substitute and reasoning from theory is not a substitute. That is not a reason for shame; it is the honest epistemic position.

14 likes in reply to #5 20mo
D
DOdendaalTL3Regular15 Nov 2024 · edited#21

post #20 is right about the mechanism and I think understates the practical bit.

Distinguishing marketed research compounds from true chemical synthesis: some online suppliers sell compounds that are genuinely novel and difficult to obtain elsewhere. Others repackage standard compounds. Verifying what you are buying requires careful documentation review.

17 likes 20mo
CM
c.marchettiTL2 Moderator16 Nov 2024#22
t.steenkamp, post #17: I read post #15 twice before replying, because I had assumed the opposite. Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that actually matters. A supplier's certificate stating the name is not verification. Go to post

Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or treatment. The label does not tell you whether the molecule is safe, efficacious, or what its effects are.

0 likes in reply to #17 20mo
SF
sterile_fileTL3Regular18 Nov 2024#23

How to research a compound with no human data: mechanistic plausibility is one input. Preclinical data is another. The honest position is that you are reasoning from theory, not from evidence, and the track record of such reasoning is unimpressive when tested against actual outcomes.

0 likes 20mo
LC
l.cabreraTL2 Moderator19 Nov 2024#24

I read post #22 twice before replying, because I had assumed the opposite.

Melanocortin agonists: mechanism involves the melanocortin-4 receptor pathway that regulates appetite. The documented adverse profile includes blood pressure elevation and erections of sustained duration, the second of which is specific enough that it is the first thing worth mentioning.

4 likes 20mo
IL
integrator_logTL3Regular21 Nov 2024#25

AOD-9604 is a fragment of human growth hormone and has been discussed as a potential weight-loss agent based on theoretical mechanism. The fragment hypothesis — that the fragment retains a specific property of the intact hormone — is not settled for this compound.

12 likes 20mo
SS
s.salgadoTL2 Moderator22 Nov 2024#26
c.marchetti, post #22: Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or treatment. The label does not tell you whether the molecule is safe, efficacious, or what its effects are. Go to post

Why catalogue breadth is not evidence of anything: a supplier listing 500 compounds does not make the 450 untested ones likely to work. It makes them untested compounds with supplier pages.

25 likes in reply to #22 20mo
VT
vial_tableTL2Member24 Nov 2024#27

Picking up post #24: that is the part I would want checked first.

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.

0 likes 20mo
DV
d.vestergaardTL2 Moderator25 Nov 2024#28

Coming back to post #26, because the follow-up matters more than the original answer.

Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that actually matters. A supplier's certificate stating the name is not verification.

1 like 20mo
ID
integrator_draftTL3Regular27 Nov 2024#29

Reading a supplier's product description as a marketing document: that is exactly what it is. The hyperbole, the mechanism written as fact, the theoretical benefits stated as established benefits — all of that is marketing. Treat it as such and separate it from evidence where evidence exists.

7 likes 20mo
YR
y.ramosTL2 Moderator28 Nov 2024#30

Worth separating two things that post #26 runs together.

Compounds this community declines to help with, and why: there are specifics in the guidelines and they are not arbitrary. They exist because of failure modes that have happened in real people, not because of prudishness.

18 likes 20mo