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c/coldchain·posted 1 year ago by u/nayeli_iyer

[Discussion] we are measuring packaging at the wrong time and calling it noise

Discussion Clean Column ×5 Well Actually ×1 Slow Clap ×1

Genuinely asking, not being difficult.

Everyone in c/glp1aus repeats that packaging is important. I believe it, but I have never seen anyone show why, and when I search I get 17 threads of people agreeing with each other.

Is there a paper? Is there a measurement? Or is this one of those things that is true because it has been repeated since 2023?

I am not trying to be the "source?" guy. I would just like a source.

4,060 up / 317 down93% upvoted67 commentsid pt1sia24 Feb 2025

67 comments

28 in this archive, depth 5

best — the order this archive was captured in

u/sterile_field_steph332 points·1 year ago

gel packs last 13 hours, after that you are relying on the box itself

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u/ice_pack_auditMOD191 points·1 year ago

Removed a chain here. The rule is one line long and it is not negotiable.

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u/priya_weiss290 points·1 year ago·edited

The confident tone is doing a lot of work that the evidence is not.

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u/solene_abubakar340 points·1 year ago

lyophilised powder is far more forgiving than reconstituted solution

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u/iman_castellanos119 points·1 year ago

Peak temperature and how long at that temperature?

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u/appeal_letter_al82 points·1 year ago·edited

stability after excursion is not zero, it is dose-dependent

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u/split_dose_sceptic459 points·1 year ago

Yeah, data logger is the only acceptable proof.

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u/kofi_ferreira191 points·1 year ago

Which carrier and route?

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u/mod_cold_roommod · c/coldchain140 points·1 year ago

no tracking numbers, no full addresses, no label photos — instant removal

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u/aleksi_eriksen66 points·1 year ago·edited

no tracking numbers, no full addresses, no label photos — instant removal

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/sterile_field_steph41 points·1 year ago

no tracking numbers, no full addresses, no label photos — instant removal

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u/meera_sandvik126 points·1 year ago

stability after excursion is not zero, it is dose-dependent

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u/nils_ferreira81 points·1 year ago·edited

Respectfully this is a sample of one presented as a finding.

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u/rohan_steiner24 points·1 year ago

Sceptical. If this were true we would see it reflected in the data and we do not.

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u/honest_syringe3316 points·1 year ago·edited

no tracking numbers, no full addresses, no label photos — instant removal

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u/jarno_karlsen94 points·1 year ago

gel packs last 15 hours, after that you are relying on the box itself

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u/amara_dziedzic75 points·1 year ago

Yeah, data logger is the only acceptable proof.

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u/coldchain_karencold chain51 points·1 year ago

This is correct. Dry powder is way more robust than liquid.

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u/intent_to_treat15 points·1 year ago

Customs clearance took 5 days. Package sat unrefrigerated during that. Powder tested clean after, reconstituted solution probably would not have.

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u/priya_guerrero18 points·1 year ago

This is correct.

Disagree on that part. 97.9% and 97.6% on the same vial is normal.

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u/mod_cold_roommod · c/coldchain27 points·1 year ago

customs clearance often breaks the cold chain, factor that in

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u/amara_dziedzic21 points·1 year ago

stability after excursion is not zero, it is dose-dependent

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u/certified_referenceQC5 points·1 year ago

no tracking numbers, no full addresses, no label photos — instant removal

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u/nightowl_injector4 points·1 year ago

Not to be pedantic but stability and packaging are being used interchangeably and they are not interchangeable in real life.

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u/niels_yilmaz1 point·1 year ago

You have restated the marketing copy. What is the actual substance here.

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u/amara_dziedzic15 points·1 year ago

excursion claims need a logger trace or a photo at unboxing, not "it felt warm"

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u/curious_panel_only0 points·1 year ago

This is correct. Dry powder is way more robust than liquid.

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u/sunday_shot_sal35 points·1 year ago

Titration speed is a side-effect dial far more than an efficacy dial.

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About c/coldchain

Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

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c/coldchain rules
  1. Excursion claims need a logger trace or a photo taken at unboxing. "It felt warm" is not data.
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