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diluent-volume

Page 8 of 13 · 308 questions tagged diluent-volume.

308 questions · sorted by votes · page 8 of 13

17 votes5 answers17k views
How do I get 30 units out of a vial reconstituted to 20 mg/mL without guessing?

The case in front of me: 30 units · 20 mg/mL. I am trying to do this correctly the first time rather than learn it by getting it wrong. I have already made one…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by bridget_nyathi 16k · 17 months ago
17 votes5 answers16k views
How many vial-days does a 4 mg vial give at 4 mg/mL on a weekly schedule?

The specifics, since they change the answer: 4 mg · 4 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by cal_hennessy 14k · 12 months ago
17 votes0 answers13k views
How many vial-days does a 4 mg vial give at 6.67 mg/mL on a weekly schedule?

For reference: 4 mg · 6.67 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by tadhg_o_riordan 14k · 11 months ago
17 votes3 answers12k views
Can I reconstitute survodutide at 8 mg/mL and still measure a small dose accurately?

Conditions: survodutide · 8 mg/mL. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will follow the plan I write down, so…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by anders_vestby 17k · 17 months ago
17 votes 2 answers10k views
How many vial-days does a 15 mg vial give at 10 mg/mL on a weekly schedule?

The specifics, since they change the answer: 15 mg · 10 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by jonas_ekstrom 18k · 2.1 years ago
17 votes4 answers9.7k views
Can I reconstitute ecnoglutide at 3.33 mg/mL and still measure a small dose accurately?

Conditions: ecnoglutide · 3.33 mg/mL. The failure mode I am trying to avoid is making this decision emotionally. I have twelve months in view and I would like the…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by plunger_stop 18k · 9 months ago
17 votes 5 answers9.4k views
If I reconstitute a 10 mg vial with 1 mL of 0.9% sodium chloride, what concentration do I end up with?

Concretely: 10 mg · 1 mL · 0.9% sodium chloride. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ravenna_pace 13k · 18 months ago
17 votes5 answers7.9k views
How do I get 4 units out of a vial reconstituted to 5 mg/mL without guessing?

Concretely: 4 units · 5 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every batch, every lot…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by klara_novotna 16k · 3 months ago
17 votes0 answers4.4k views
Is 2.5 mg in 2.5 mL of 0.9% sodium chloride a sensible presentation for a GLP-1 receptor agonist?

Conditions: 2.5 mg · 2.5 mL · 0.9% sodium chloride · a GLP-1 receptor agonist. I want to decide this in advance so that I am not deciding it under pressure later.…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by greta_holzmann 15k · 7 months ago
16 votes 5 answers14k views
Is 2.5 mg/mL a sensible working concentration for cagrilintide, or should I go lower?

What I am working with: 2.5 mg/mL · cagrilintide. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I can obtain…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by assay_blank 39k · 11 months ago
16 votes5 answers11k views
Is 2 mg/mL a sensible working concentration for dulaglutide, or should I go lower?

What I have: 2 mg/mL · dulaglutide. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by Dr_Sara_Kuusela 46k · 4 months ago
16 votes 4 answers8.4k views
Is 10 mg/mL a sensible working concentration for mazdutide, or should I go lower?

Stated plainly: 10 mg/mL · mazdutide. Both of these get recommended confidently by different people, which suggests neither is obviously right. My constraints are…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by jo_vandeberg 19k · 11 months ago
16 votes 3 answers7k views
How many vial-days does a 40 mg vial give at 2 mg/mL on a weekly schedule?

Conditions: 40 mg · 2 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I can…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by ravi_pillai 16k · 5 months ago
16 votes0 answers6.6k views
Is 10 mg in 0.5 mL of 0.9% sodium chloride a sensible presentation for mazdutide?

The case in front of me: 10 mg · 0.5 mL · 0.9% sodium chloride · mazdutide. The failure mode I am trying to avoid is making this decision emotionally. I have twelve…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by otto_brenner 19k · 14 months ago
16 votes0 answers4.6k views
Is 1 mg/mL a sensible working concentration for a GLP-1 receptor agonist, or should I go lower?

Setup, so nobody has to ask: 1 mg/mL · a GLP-1 receptor agonist. Both of these get recommended confidently by different people, which suggests neither is obviously…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by fib4_reader 35k · 4 months ago
16 votes0 answers4.6k views
Is 1 mg/mL a sensible working concentration for liraglutide, or should I go lower?

The case in front of me: 1 mg/mL · liraglutide. I would like the axes of comparison first and the recommendation second. I have tried the first option and it works;…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by hana_petrikova 19k · 16 months ago
16 votes 4 answers3.1k views
Is 5 mg in 5 mL of bacteriostatic water a sensible presentation for oral semaglutide?

Setup, so nobody has to ask: 5 mg · 5 mL · bacteriostatic water · oral semaglutide. I would like to set this up properly once, rather than adjust it repeatedly. My…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by tabular_nums 47k · 2 months ago
15 votes 5 answers29k views
Can I reconstitute tirzepatide at 2.5 mg/mL and still measure a small dose accurately?

For reference: tirzepatide · 2.5 mg/mL. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement than…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ekaterina_volk 16k · 16 months ago
15 votes 5 answers25k views
How do I get 12 units out of a vial reconstituted to 8 mg/mL without guessing?

Concretely: 12 units · 8 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every batch, every lot…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

268 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by felix_araya 17k · 2.0 years ago
15 votes 5 answers20k views
Is 10 mg in 1.5 mL of 0.9% sodium chloride a sensible presentation for cagrilintide?

Conditions: 10 mg · 1.5 mL · 0.9% sodium chloride · cagrilintide. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by kofi_mensah 12k · 23 months ago
15 votes5 answers6.7k views
Is 6.67 mg/mL a sensible working concentration for oral semaglutide, or should I go lower?

The case in front of me: 6.67 mg/mL · oral semaglutide. These are treated as interchangeable and I do not think they are. If both are acceptable I would like to know…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by kelvin_lam 11k · 40 days ago
15 votes 3 answers6k views
If I reconstitute a 30 mg vial with 3 mL of sterile water for injection, what concentration do I end up with?

What I have: 30 mg · 3 mL · sterile water for injection. This should be a straightforward calculation and I keep getting two different answers. The numbers are…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ivo_paunovic 15k · 11 months ago
15 votes0 answers3.9k views
If I reconstitute a 20 mg vial with 0.5 mL of bacteriostatic water, what concentration do I end up with?

What I am working with: 20 mg · 0.5 mL · bacteriostatic water. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by ruaidhri_o_shea 51k · 10 months ago
14 votes 5 answers40k views
How many vial-days does a 8 mg vial give at 10 mg/mL on a weekly schedule?

Numbers first: 8 mg · 10 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would rather…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
cost-analysis
cost-analysis

Cost arithmetic done honestly: cost per milligram after dead-space loss, list versus net price, comparing a multi-dose vial to a fixed-dose pen,…

261 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

308 questions
asked by mg_per_ml 12k · 2.1 years ago