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Sourcing · Regulatory · continued

Research-use-only labelling: what it means and what it does not — the long version posts 91–120

This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.

D
DSakamotoTL3Regular23 Feb 2025#91

Regulatory positions change: a compound's status today might differ from its status a year from now. Citing a regulatory position is worth doing only with a date attached.

11 likes 17mo
AV
a.villalobosTL2 Moderator24 Feb 2025#92
m.onwuka, post #40: Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position. Go to post

Labelling and intended use: a compound sold as "research-use-only" does not change its pharmacology if ingested. It changes the legal status of the sale. The labelling tells you the intended use, not the actual use people make of it.

3 likes in reply to #40 17mo
TF
taper_fileTL3Regular26 Feb 2025#93

On post #89 — agreed on the reasoning, with one qualification.

Off-label use and medical practice: clinicians can prescribe approved medications off-label under some circumstances. That is different from research-use-only compounds, which are not approved for any human use.

0 likes 17mo
JL
j.lokkenTL227 Feb 2025#94
DM
d.magalhesTL2Member1 Mar 2025 · edited#95

I read post #93 twice before replying, because I had assumed the opposite.

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. The label does not establish whether the molecule is safe, efficacious, or toxic.

6 likes 17mo
TB
t.brandtTL2 Moderator2 Mar 2025#96
ro.zielinski, post #32: 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. Go to post

Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position.

1 like in reply to #32 17mo
BT
baseline_tableTL2Member3 Mar 2025#97

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.

0 likes 17mo
AM
a.molnarTL2 Moderator5 Mar 2025#98

post #97 is right about the mechanism and I think understates the practical bit.

Approval versus licensing: a compound can be approved for a specific indication in one country and not approved at all in another. Tracking jurisdictional approval is tedious but necessary.

23 likes 17mo
N
NicolaidesTL3Regular6 Mar 2025#99
b.jankowiak, post #85: 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. The label does not establish whether the molecule is safe, efficacious, or toxic. Go to post

Preclinical versus clinical: compounds with strong preclinical data can fail in clinical trials. Compounds with no human data are being used on theoretical grounds. The regulatory position reflects this asymmetry.

22 likes in reply to #85 17mo
VS
v.stanescuTL2 Moderator7 Mar 2025#100

Picking up post #97: that is the part I would want checked first.

For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.

10 likes 17mo
ST
sterile_tableTL3Regular9 Mar 2025#101
v.stanescu, post #100: Picking up post #97: that is the part I would want checked first. For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use. Go to post

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.

14 likes in reply to #100 17mo
GB
g.bakkenTL2 Moderator10 Mar 2025#102

Primary documents matter: regulatory positions are published in official documents. Reading the regulatory agency's website directly is more reliable than reading a forum summary of it.

5 likes 17mo
P
PSundbergTL2Member11 Mar 2025#103

Coming back to post #101, because the follow-up matters more than the original answer.

Import restrictions vary by compound and by jurisdiction: what is a controlled substance in one place is legal to purchase in another. What you can import for personal use depends on your country's rules, not on where it is sold.

0 likes 17mo
YE
y.eriksenTL2 Moderator13 Mar 2025#104
m.kjaer, post #34: Primary documents matter: regulatory positions are published in official documents. Reading the regulatory agency's website directly is more reliable than reading a forum summary of it. Go to post

Picking up post #101: that is the part I would want checked first.

Compounding and pharmacy rules: some jurisdictions allow a pharmacy to compound a drug that is not on the market under specific conditions. The conditions are strict and vary by jurisdiction. Generalising from one country's rules to another's is unreliable.

0 likes in reply to #34 17mo
RM
r.marsdenTL3Regular14 Mar 2025#105
j.lokken, post #94: post #93 answers the question as asked. The question underneath it is different. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the kind that comes from remembering a figure instead of looking it up. 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. The label does not establish whether the molecule is safe, efficacious, or toxic.

9 likes in reply to #94 16mo
JM
j.marchettiTL2 Moderator16 Mar 2025#106

For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.

2 likes 16mo
LM
lyophil_marginTL3Regular17 Mar 2025 · edited#107

I read post #105 twice before replying, because I had assumed the opposite.

Preclinical versus clinical: compounds with strong preclinical data can fail in clinical trials. Compounds with no human data are being used on theoretical grounds. The regulatory position reflects this asymmetry.

0 likes 16mo
AA
a.amankwahTL2 Moderator18 Mar 2025#108

Approval versus licensing: a compound can be approved for a specific indication in one country and not approved at all in another. Tracking jurisdictional approval is tedious but necessary.

29 likes 16mo
HO
h.oyelowoTL2Regular20 Mar 2025#109

On post #105 — agreed on the reasoning, with one qualification.

Off-label use and medical practice: clinicians can prescribe approved medications off-label under some circumstances. That is different from research-use-only compounds, which are not approved for any human use.

27 likes 16mo
RB
r.bruunTL2 Moderator21 Mar 2025#110

post #109 answers the question as asked. The question underneath it is different.

Labelling and intended use: a compound sold as "research-use-only" does not change its pharmacology if ingested. It changes the legal status of the sale. The labelling tells you the intended use, not the actual use people make of it.

13 likes 16mo
DO
d.oyelaranTL3Pharmacist22 Mar 2025#111
m.agyeman, post #14: Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position. Go to post

Regulatory positions change: a compound's status today might differ from its status a year from now. Citing a regulatory position is worth doing only with a date attached.

22 likes in reply to #14 16mo
HV
h.vargaTL2 Moderator24 Mar 2025#112

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.

0 likes 16mo
K
KLindqvistTL4 Moderator25 Mar 2025#113

post #112 answers the question as asked. The question underneath it is different.

Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position.

1 like 16mo
KL
k.laurentTL2 Moderator26 Mar 2025#114

Off-label use and medical practice: clinicians can prescribe approved medications off-label under some circumstances. That is different from research-use-only compounds, which are not approved for any human use.

6 likes 16mo
NL
n.lehtinenTL2 Moderator28 Mar 2025#115
s.hartmann, post #3: Picking up post #2: that is the part I would want checked first. Labelling and intended use: a compound sold as "research-use-only" does not change its pharmacology if ingested. It changes the legal status of the sale. The labelling tells you the intended use, not the actual use people make of it. Go to post

Why this category is maintained as documentation, not as recommendations: the goal is factual accuracy and sourcing, not endorsement of any specific regulatory position.

15 likes in reply to #3 16mo
AI
a.ibarraTL2 Moderator29 Mar 2025#116

I read post #114 twice before replying, because I had assumed the opposite.

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. The label does not establish whether the molecule is safe, efficacious, or toxic.

30 likes 16mo
KR
k.roosTL2 Moderator30 Mar 2025 · edited#117

Compounding and pharmacy rules: some jurisdictions allow a pharmacy to compound a drug that is not on the market under specific conditions. The conditions are strict and vary by jurisdiction. Generalising from one country's rules to another's is unreliable.

0 likes 16mo
LD
l.dziedzicTL2 Moderator1 Apr 2025#118

Import restrictions vary by compound and by jurisdiction: what is a controlled substance in one place is legal to purchase in another. What you can import for personal use depends on your country's rules, not on where it is sold.

3 likes 16mo
LE
logbook_erinTL3Regular2 Apr 2025#119

Picking up post #116: that is the part I would want checked first.

Labelling and intended use: a compound sold as "research-use-only" does not change its pharmacology if ingested. It changes the legal status of the sale. The labelling tells you the intended use, not the actual use people make of it.

0 likes 16mo
AP
au.pereiraTL2 Moderator3 Apr 2025#120
z.vogel, post #67: post #66 answers the question as asked. The question underneath it is different. Approval versus licensing: a compound can be approved for a specific indication in one country and not approved at all in another. Tracking jurisdictional approval is tedious but necessary. Go to post

Approval versus licensing: a compound can be approved for a specific indication in one country and not approved at all in another. Tracking jurisdictional approval is tedious but necessary.

0 likes in reply to #67 16mo