Handbook on Injectable Drugs, 18th Edition - ASHP
Author: American Society of Health-System Pharmacists - ASHP
Publisher: American Society of Health-System Pharmacists - ASHP
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handbook on injectable - Sample monograph
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LEVETIRACETAM/1
LEVETIRACETAM
AHFS 28:12.92
Products — Levetiracetam is available as a 100-mg/mL concentrate for
injection in 5-mL single-use vials. (2833) The concentrate must be
diluted before administration. (2833)
Levetiracetam is also available as a single-use, ready-to-use solu-
tion for intravenous infusion containing 500 mg, 1 g, or 1.5 g leve-
tiracetam in 100 mL sodium chloride in dual-port plastic bags. (2834)
Both the concentrate and the ready-to-use formulations contain wa-
ter for injection and sodium chloride. (2833; 2834)
pH — Levetiracetam concentrate and ready-to-use solutions for infusion
have a pH adjusted to approximately 5.5 with glacial acetic acid and
sodium acetate trihydrate. (2833; 2834)
Osmolality — The osmolality of levetiracetam 100-mg/mL concentrate
for injection was determined to be approximately 950 mOsm/kg.
(2835) Following dilution of 500 mg of the concentrate in 100 mL of
sodium chloride 0.9%, the osmolality of levetiracetam was deter-
mined to be approximately 430 mOsm/kg. (2835)
Sodium Content — Ready-to-use solutions of levetiracetam 500 mg,
1 g, and 1.5 g in 100 mL of sodium chloride injection contain 820,
750, and 540 mg of sodium, respectively. (2834)
Trade Name(s) — Keppra.
Administration — Single-use vials contain levetiracetam concentrate
that is administered by intravenous infusion after dilution in 100 mL
of a compatible diluent. (2833) Single-use, ready-to-use solutions of
levetiracetam should not be further diluted prior to intravenous in-
fusion. (2834)
Levetiracetam is administered by intravenous infusion over 15 min-
utes. (2833; 2834)
Stability — Levetiracetam concentrate and diluted solutions should be
clear and colorless. (2833; 2834) Intact vials of levetiracetam con-
centrate and ready-to-use bags of levetiracetam in solution in their
unopened aluminum overwrap should be stored at controlled room
temperature. (2833; 2834) Discolored products or products containing
particulate matter should not be used. (2833; 2834) Ready-to-use lev-
etiracetam infusion bags should be used promptly once the aluminum
overwrap has been removed. (2834)
The unused contents of an opened vial or a partially used infusion
bag should be discarded. (2833; 2834) The diluted contents of a vial
of levetiracetam concentrate should be used within 24 hours. (2835)
Compatibility Information
Solution Compatibility
Levetiracetam
Solution Mfr Mfr Conc/L Remarks Ref C/I
Dextrose 5% a
UCB 5 and
40 g
Physically compatible and chemically stable for 24
hours at controlled room temperature
2833;
2835
C
Ringer’s injection lactated a
UCB 1 and
8 g
Physically compatible and chemically stable for 24
hours at controlled room temperature
2833;
2835
C
Sodium chloride 0.9% a
UCB 5 and
40 g
Physically compatible and chemically stable for 24
hours at controlled room temperature
2833;
2835
C
a
Tested in PVC containers.
Additive Compatibility
Levetiracetam
Drug Mfr Conc/L Mfr Conc/L
Test
Soln Remarks Ref C/I
Diazepam 200 mg UCB 5 and
40 g
D5W, NSa
Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
40 mg UCB 1 and 8 g LRa
Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
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2/LEVETIRACETAM
Additive Compatibility (Cont.)
Levetiracetam
Drug Mfr Conc/L Mfr Conc/L
Test
Soln Remarks Ref C/I
Lorazepam 40 mg UCB 5 and
40 g
D5W, NSa Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
8 mg UCB 1 and 8 g LRa
Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
Valproate sodium 12 g UCB 5 and
40 g
D5W, NSa Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
2.4 g UCB 1 and 8 g LRa Physically compatible and chemically sta-
ble for 24 hr at controlled room tempera-
ture
2833;
2835
C
a Tested in PVC containers.
᧠Copyright, May 2013, American Society of Health-System Pharmacists, Inc.