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Sourcing safely

Sterility is the risk that frightens me most

Started 24 April 2025 · 22 replies · 217 hearts · read 3.3k times

OsipTbilisi, GE · 24 April 2025
about a year ago

Something I have been sitting with: Sterility is the risk that frightens me most Not looking for advice so much as other people's experience.

Putting this here because I do not want to be sold anything, I want to know what is actually established.

I am asking because two people I trust have told me opposite things and both of them cited the same study.

I have a practical question that turns entirely on a technical detail, and I have not been able to get a straight answer to the technical detail.

I have a document in front of me and I can read every line of it and I still cannot tell what it proves.

Thanks. I would genuinely rather be told nobody knows than be given a confident answer.

72

NazneenDhaka, BD
#1

My rule is that if I cannot get a lot-specific document, I do not proceed. That has never once been a problem with the suppliers that have pages here.

11

SunilFacilitatorBirmingham, UK
#2

Speaking as a facilitator: we do not post protocols in this circle. Describing what a study did is welcome; presenting a schedule as established is not.

16me too 3

TemSouthend, UK
#3

Bookmarking this. Thank you.

8

GwionBangor, UK
#4

Reading Tem, I recognised more of that than I expected to.

Something worth stating plainly: sterility and endotoxin are separate assays and a purity certificate says nothing about either.

8

NylaNairobi, KE
#5

The plain position of this circle does not change: buying outside a prescription means no pharmacist checked your dose, no regulator inspected the line, and nobody is accountable to you. We cannot remove that.

10me too 7

SindriReykjavík, IS
#6

Coming back to say I asked all three questions, got proper answers to all three, and that the asking was the most useful thing I did.

8

PerrinNice, FR
#7

What Nyla described happened to me too, in a slightly different order.

The check I would not skip is the lot number on the vial against the lot number on the document. It takes ten seconds and it is the only check that is entirely yours.

8

LucasSão Paulo, BR
#8

What our sourcing reference pages do is say what can and cannot be verified about a supplier. That is a narrower thing than a recommendation and it is deliberately narrow.

6

ShadeIbadan, NG
#9

I asked for the certificate for my specific lot rather than a representative one, and the answer to that request tells you a great deal.

10

GittaBonn, DE
#10

Something worth knowing: the suppliers with a long published testing record are a small group. The wider market is mostly places with two or three results and nothing else.

8

NolCork, IE
#11

Everything discussed here is research-use-only material and is not approved for use in a person, and this circle says that on every thread for a reason.

10

Ollie OPeterhead, UK
#12

You have described the bit that nobody warns you about.

12me too 2

BramberSteyning, UK
#13

Something I would flag about the wider market: a great many names have a handful of submissions, no consistent documentation and nothing verifiable at all behind them.

7

TamsinRedruth, UK
#14

My approach is to ask three questions before ordering anywhere, take the answers as data, and treat a non-answer as an answer.

13

TaviaPalermo, IT
#15

Something practical: I photograph the vial, the label and the paperwork on arrival, every time, before anything else happens.

9

OsipTbilisi, GE
#16

What I have learned here is to be much more sceptical of a claim with no document behind it than of a document I find hard to read.

5

NazneenDhaka, BD
#17

Picking up Tamsin’s point rather than starting a new one.

The suppliers with regional stock and published lead times are much easier to plan around, and that is a practical difference rather than a quality claim.

12

SaskiaThe Hague, NL
#18

I would say ask for the batch record and see what comes back. The suppliers with a real documentation process send it without a fuss.

8

TemSouthend, UK
#19

I found the questions list on the reference pages more useful than any of the prose, because it gave me something to actually do.

9

GwionBangor, UK
#20

Something worth knowing: certificates carry different things. The ones worth having name the method and the column, not just a percentage.

11

SunilFacilitatorBirmingham, UK
#21

Closing note: this stays linked from the circle landing page. If a new study lands, come back and add it rather than starting again.

15me too 3

SindriReykjavík, IS
#22

Gently disagreeing with Sunil, or rather adding the other half of it.

What I would say to somebody new is to read the risk paragraph at the top of the reference pages properly before anything else on them.

13