Dosage Form: injection, suspension
HUMALOG® Mix50/50TM
50% INSULIN LISPRO PROTAMINE SUSPENSION AND
50% INSULIN LISPRO INJECTION
(rDNA ORIGIN)
100 UNITS PER ML (U-100)
Humalog 50/50 Description
Humalog® Mix50/50™ [50% insulin lispro protamine suspension and 50% insulin lispro injection, (rDNA origin)] is a mixture of insulin lispro solution, a rapid–acting blood glucose–lowering agent and insulin lispro protamine suspension, an intermediate–acting blood glucose–lowering agent. Chemically, insulin lispro is Lys(B28), Pro(B29) human insulin analog, created when the amino acids at positions 28 and 29 on the insulin B–chain are reversed. Insulin lispro is synthesized in a special non–pathogenic laboratory strain of Escherichia coli bacteria that has been genetically altered to produce insulin lispro. Insulin lispro protamine suspension (NPL component) is a suspension of crystals produced from combining insulin lispro and protamine sulfate under appropriate conditions for crystal formation.
Insulin lispro has the following primary structure:
Insulin lispro has the empirical formula C257H383N65O77S6 and a molecular weight of 5808, both identical to that of human insulin.
Humalog Mix50/50 vials and Pens contain a sterile suspension of insulin lispro protamine suspension mixed with soluble insulin lispro for use as an injection.
Each milliliter of Humalog Mix50/50 injection contains insulin lispro 100 units, 0.19 mg protamine sulfate, 16 mg glycerin, 3.78 mg dibasic sodium phosphate, 2.20 mg Metacresol, zinc oxide content adjusted to provide 0.0305 mg zinc ion, 0.89 mg phenol, and Water for Injection. Humalog Mix50/50 has a pH of 7.0 to 7.8. Hydrochloric acid 10% and/or sodium hydroxide 10% may have been added to adjust pH.
Humalog 50/50 - Clinical Pharmacology
Antidiabetic Activity
The primary activity of insulin, including Humalog Mix50/50, is the regulation of glucose metabolism. In addition, all insulins have several anabolic and anti–catabolic actions on many tissues in the body. In muscle and other tissues (except the brain), insulin causes rapid transport of glucose and amino acids intracellularly, promotes anabolism, and inhibits protein catabolism. In the liver, insulin promotes the uptake and storage of glucose in the form of glycogen, inhibits gluconeogenesis, and promotes the conversion of excess glucose into fat.
Insulin lispro, the rapid–acting component of Humalog Mix50/50, has been shown to be equipotent to Regular human insulin on a molar basis. One unit of Humalog® has the same glucose–lowering effect as one unit of Regular human insulin, but its effect is more rapid and of shorter duration.
Pharmacokinetics
Absorption
Studies in nondiabetic subjects and patients with type 1 (insulin–dependent) diabetes demonstrated that Humalog, the rapid–acting component of Humalog Mix50/50, is absorbed faster than Regular human insulin (U–100). In nondiabetic subjects given subcutaneous doses of Humalog ranging from 0.1 to 0.4 U/kg, peak serum concentrations were observed 30 to 90 minutes after dosing. When nondiabetic subjects received equivalent doses of Regular human insulin, peak insulin concentrations occurred between 50 to 120 minutes after dosing. Similar results were seen in patients with type 1 diabetes.
Figure 1: Serum Immunoreactive Insulin (IRI) Concentrations, After Subcutaneous Injection of Humalog Mix50/50 or Humulin 50/50 in Healthy Nondiabetic Subjects.
Humalog Mix50/50 has two phases of absorption. The early phase represents insulin lispro and its distinct characteristics of rapid onset. The late phase represents the prolonged action of insulin lispro protamine suspension. In 30 healthy nondiabetic subjects given subcutaneous doses (0.3 U/kg) of Humalog Mix50/50, peak serum concentrations were observed 45 minutes to 13.5 hours (median, 60 minutes) after dosing (see Figure 1). In patients with type 1 diabetes, peak serum concentrations were observed 45 minutes to 120 minutes (median, 60 minutes) after dosing. The rapid absorption characteristics of Humalog are maintained with Humalog Mix50/50 (see Figure 1).
Direct comparison of Humalog Mix50/50 and Humulin 50/50 was not performed. However, a cross–study comparison shown in Figure 1 suggests that Humalog Mix50/50 has a more rapid absorption than Humulin 50/50.
Distribution
Radiolabeled distribution studies of Humalog Mix50/50 have not been conducted. However, the volume of distribution following injection of Humalog is identical to that of Regular human insulin, with a range of 0.26 to 0.36 L/kg.
Metabolism
Human metabolism studies of Humalog Mix50/50 have not been conducted. Studies in animals indicate that the metabolism of Humalog, the rapid–acting component of Humalog Mix50/50, is identical to that of Regular human insulin.
Elimination
Humalog Mix50/50 has two absorption phases, a rapid and a prolonged phase, representative of the insulin lispro and insulin lispro protamine suspension components of the mixture. As with other intermediate–acting insulins, a meaningful terminal phase half–life cannot be calculated after administration of Humalog Mix50/50 because of the prolonged insulin lispro protamine suspension absorption.
Pharmacodynamics
Studies in nondiabetic subjects and patients with diabetes demonstrated that Humalog has a more rapid onset of glucose–lowering activity, an earlier peak for glucose–lowering, and a shorter duration of glucose–lowering activity than Regular human insulin. The early onset of activity of Humalog Mix50/50 is directly related to the rapid absorption of Humalog. The time course of action of insulin and insulin analogs, such as Humalog (and hence Humalog Mix50/50), may vary considerably in different individuals or within the same individual. The parameters of Humalog Mix50/50 activity (time of onset, peak time, and duration) as presented in Figures 2 and 3 should be considered only as general guidelines. The rate of insulin absorption and consequently the onset of activity is known to be affected by the site of injection, exercise, and other variables (see General under PRECAUTIONS).
In a glucose clamp study performed in 30 nondiabetic subjects, the onset of action and glucose–lowering activity of Humalog, Humalog Mix50/50, Humalog® Mix75/25™, and insulin lispro protamine suspension (NPL component) were compared (see Figure 2). Graphs of mean glucose infusion rate versus time showed a distinct insulin activity profile for each formulation. The rapid onset of glucose–lowering activity characteristic of Humalog was maintained in Humalog Mix50/50.
Direct comparison between Humalog Mix50/50 and Humulin 50/50 was not performed. However, a cross–study comparison shown on Figure 3 suggests that Humalog Mix50/50 has a duration of activity that is similar to Humulin 50/50.
Figure 2: Glucose Infusion Rates (A Measure of Insulin Activity) After Injection of Humalog, Humalog Mix50/50, Humalog Mix75/25, or Insulin Lispro Protamine Suspension (NPL Component) in 30 Nondiabetic Subjects.
Figure 3: Insulin Activity After Subcutaneous Injection of Humalog Mix50/50 and Humulin 50/50 in Nondiabetic Subjects.
Figures 2 and 3 represent insulin activity profiles as measured by glucose clamp studies in healthy nondiabetic subjects.
Figure 2 shows the time activity profiles of Humalog, Humalog Mix75/25, Humalog Mix50/50, and insulin lispro protamine suspension (NPL component).
Figure 3 is a comparison of the time activity profiles of Humalog Mix50/50 (see Figure 3a) and of Humulin 50/50 (see Figure 3b) from two different studies.
Special Populations
Age and Gender
Information on the effect of age on the pharmacokinetics of Humalog Mix50/50 is unavailable. Pharmacokinetic and pharmacodynamic comparisons between men and women administered Humalog Mix50/50 showed no gender differences. In large Humalog clinical trials, sub–group analysis based on age and gender demonstrated that differences between Humalog and Regular human insulin in postprandial glucose parameters are maintained across sub–groups.
Smoking
The effect of smoking on the pharmacokinetics and pharmacodynamics of Humalog Mix50/50 has not been studied.
Pregnancy
The effect of pregnancy on the pharmacokinetics and pharmacodynamics of Humalog Mix50/50 has not been studied.
Obesity
The effect of obesity and/or subcutaneous fat thickness on the pharmacokinetics and pharmacodynamics of Humalog Mix50/50 has not been studied. In large clinical trials, which included patients with Body Mass Index up to and including 35 kg/m2, no consistent differences were observed between Humalog and Humulin® R with respect to postprandial glucose parameters.
Renal Impairment
The effect of renal impairment on the pharmacokinetics and pharmacodynamics of Humalog Mix50/50 has not been studied. In a study of 25 patients with type 2 diabetes and a wide range of renal function, the pharmacokinetic differences between Humalog and Regular human insulin were generally maintained. However, the sensitivity of the patients to insulin did change, with an increased response to insulin as the renal function declined. Careful glucose monitoring and dose reductions of insulin, including Humalog Mix50/50, may be necessary in patients with renal dysfunction.
Hepatic Impairment
Some studies with human insulin have shown increased circulating levels of insulin in patients with hepatic failure. The effect of hepatic impairment on the pharmacokinetics and pharmacodynamics of Humalog Mix50/50 has not been studied. However, in a study of 22 patients with type 2 diabetes, impaired hepatic function did not affect the subcutaneous absorption or general disposition of Humalog when compared with patients with no history of hepatic dysfunction. In that study, Humalog maintained its more rapid absorption and elimination when compared with Regular human insulin. Careful glucose monitoring and dose adjustments of insulin, including Humalog Mix50/50, may be necessary in patients with hepatic dysfunction.
Indications and Usage for Humalog 50/50
Humalog Mix50/50, a mixture of 50% insulin lispro protamine suspension and 50% insulin lispro injection, (rDNA origin), is indicated in the treatment of patients with diabetes mellitus for the control of hyperglycemia. Based on cross–study comparisons of the pharmacodynamics of Humalog Mix50/50 and Humulin 50/50, it is likely that Humalog Mix50/50 has a more rapid onset of glucose–lowering activity compared with Humulin 50/50 while having a similar duration of action. This profile is achieved by combining the rapid onset of Humalog with the intermediate action of insulin lispro protamine suspension.
Contraindications
Humalog Mix50/50 is contraindicated during episodes of hypoglycemia and in patients sensitive to insulin lispro or any of the excipients contained in the formulation.
Warnings
Humalog differs from Regular human insulin by its rapid onset of action as well as a shorter duration of activity. Therefore, the dose of Humalog Mix50/50 should be given within 15 minutes before a meal.
Hypoglycemia is the most common adverse effect associated with the use of insulins, including Humalog Mix50/50. As with all insulins, the timing of hypoglycemia may differ among various insulin formulations. Glucose monitoring is recommended for all patients with diabetes.
Any change of insulin should be made cautiously and only under medical supervision. Changes in insulin strength, manufacturer, type (e.g., Regular, NPH, analog), species, or method of manufacture may result in the need for a change in dosage.
Precautions
General
Hypoglycemia and hypokalemia are among the potential clinical adverse effects associated with the use of all insulins. Because of differences in the action of Humalog Mix50/50 and other insulins, care should be taken in patients in whom such potential side effects might be clinically relevant (e.g., patients who are fasting, have autonomic neuropathy, or are using potassium–lowering drugs or patients taking drugs sensitive to serum potassium level). Lipodystrophy and hypersensitivity are among other potential clinical adverse effects associated with the use of all insulins.
As with all insulin preparations, the time course of Humalog Mix50/50 action may vary in different individuals or at different times in the same individual and is dependent on site of injection, blood supply, temperature, and physical activity.
Adjustment of dosage of any insulin may be necessary if patients change their physical activity or their usual meal plan. Insulin requirements may be altered during illness, emotional disturbances, or other stress.
Hypoglycemia — As with all insulin preparations, hypoglycemic reactions may be associated with the administration of Humalog Mix50/50. Rapid changes in serum glucose concentrations may induce symptoms of hypoglycemia in persons with diabetes, regardless of the glucose value. Early warning symptoms of hypoglycemia may be different or less pronounced under certain conditions, such as long duration of diabetes, diabetic nerve disease, use of medications such as beta-blockers, or intensified diabetes control.
Renal Impairment — As with other insulins, the requirements for Humalog Mix50/50 may be reduced in patients with renal impairment.
Hepatic Impairment — Although impaired hepatic function does not affect the absorption or disposition of Humalog, careful glucose monitoring and dose adjustments of insulin, including Humalog Mix50/50, may be necessary.
Allergy — Local Allergy — As with any insulin therapy, patients may experience redness, swelling, or itching at the site of injection. These minor reactions usually resolve in a few days to a few weeks. In some instances, these reactions may be related to factors other than insulin, such as irritants in the skin cleansing agent or poor injection technique.
Systemic Allergy — Less common, but potentially more serious, is generalized allergy to insulin, which may cause rash (including pruritus) over the whole body, shortness of breath, wheezing, reduction in blood pressure, rapid pulse, or sweating. Severe cases of generalized allergy, including anaphylactic reaction, may be life threatening. Localized reactions and generalized myalgias have been reported with the use of cresol as an injectable excipient.
Antibody Production — In clinical trials, antibodies that cross-react with human insulin and insulin lispro were observed in both human insulin mixtures and insulin lispro mixtures treatment groups.
Information for Patients
Patients should be informed of the potential risks and advantages of Humalog Mix50/50 and alternative therapies. Patients should not mix Humalog Mix50/50 with any other insulin. They should also be informed about the importance of proper insulin storage, injection technique, timing of dosage, adherence to meal planning, regular physical activity, regular blood glucose monitoring, periodic hemoglobin A1c testing, recognition and management of hypo- and hyperglycemia, and periodic assessment for diabetes complications.
Patients should be advised to inform their physician if they are pregnant or intend to become pregnant.
Refer patients to the Patient Information leaflet for information on normal appearance, timing of dosing (within 15 minutes before a meal), storing, and common adverse effects.
For Patients Using Insulin Pen Delivery Devices: Before starting therapy, patients should read the Patient Information leaflet that accompanies the drug product and the User Manual that accompanies the delivery device and re-read them each time the prescription is renewed. Patients should be instructed on how to properly use the delivery device, prime the Pen to a stream of insulin, and properly dispose of needles. Patients should be advised not to share their Pens with others.
Laboratory Tests
As with all insulins, the therapeutic response to Humalog Mix50/50 should be monitored by periodic blood glucose tests. Periodic measurement of hemoglobin A1c is recommended for the monitoring of long–term glycemic control.
Drug Interactions
Insulin requirements may be increased by medications with hyperglycemic activity such as corticosteroids, isoniazid, certain lipid–lowering drugs (e.g., niacin), estrogens, oral contraceptives, phenothiazines, and thyroid replacement therapy.
Insulin requirements may be decreased in the presence of drugs that increase insulin sensitivity or have hypoglycemic activity, such as oral antidiabetic agents, salicylates, sulfa antibiotics, certain antidepressants (monoamine oxidase inhibitors), angiotensin–converting–enzyme inhibitors, angiotensin II receptor blocking agents, beta–adrenergic blockers, inhibitors of pancreatic function (e.g., octreotide), and alcohol. Beta–adrenergic blockers may mask the symptoms of hypoglycemia in some patients.
Carcinogenesis, Mutagenesis, Impairment of Fertility
Long–term studies in animals have not been performed to evaluate the carcinogenic potential of Humalog, Humalog Mix75/25, or Humalog Mix50/50. Insulin lispro was not mutagenic in a battery of in vitro and in vivo genetic toxicity assays (bacterial mutation tests, unscheduled DNA synthesis, mouse lymphoma assay, chromosomal aberration tests, and a micronucleus test). There is no evidence from animal studies of impairment of fertility induced by insulin lispro.
Pregnancy
Teratogenic Effects — Pregnancy Category B
Reproduction studies with insulin lispro have been performed in pregnant rats and rabbits at parenteral doses up to 4 and 0.3 times, respectively, the average human dose (40 units/day) based on body surface area. The results have revealed no evidence of impaired fertility or harm to the fetus due to insulin lispro. There are, however, no adequate and well–controlled studies with Humalog, Humalog Mix75/25, or Humalog Mix50/50 in pregnant women. Because animal reproduction studies are not always predictive of human response, this drug should be used during pregnancy only if clearly needed.
Nursing Mothers
It is unknown whether insulin lispro is excreted in significant amounts in human milk. Many drugs, including human insulin, are excreted in human milk. For this reason, caution should be exercised when Humalog Mix50/50 is administered to a nursing woman. Patients with diabetes who are lactating may require adjustments in Humalog Mix50/50 dose, meal plan, or both.
Pediatric Use
Safety and effectiveness of Humalog Mix50/50 in patients less than 18 years of age have not been established.
Geriatric Use
Clinical studies of Humalog Mix50/50 did not include sufficient numbers of patients aged 65 and over to determine whether they respond differently than younger patients. In general, dose selection for an elderly patient should take into consideration the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy in this population.
Adverse Reactions
Clinical studies comparing Humalog Mix50/50 with human insulin mixtures did not demonstrate a difference in frequency of adverse events between the two treatments.
Adverse events commonly associated with human insulin therapy include the following:
Body as a Whole — allergic reactions (see PRECAUTIONS).
Skin and Appendages — injection site reaction, lipodystrophy, pruritus, rash.
Other — hypoglycemia (see WARNINGS and PRECAUTIONS).
Overdosage
Hypoglycemia may occur as a result of an excess of insulin relative to food intake, energy expenditure, or both. Mild episodes of hypoglycemia usually can be treated with oral glucose. Adjustments in drug dosage, meal patterns, or exercise, may be needed. More severe episodes with coma, seizure, or neurologic impairment may be treated with intramuscular/subcutaneous glucagon or concentrated intravenous glucose. Sustained carbohydrate intake and observation may be necessary because hypoglycemia may recur after apparent clinical recovery.
Humalog 50/50 Dosage and Administration
| |||
Insulin Products | Dose, U/kg | Time of Peak Activity, Hours After Dosing | Percent of Total Activity Occurring in the First 4 Hours |
Humalog | 0.3 | 2.4 | 70% |
Humulin R | 0.32 | 4.4 | 54% |
Humalog Mix75/25 | 0.3 | 2.6 | 35% |
Humulin 70/30 | 0.3 | 4.4 | 32% |
Humalog Mix50/50 | 0.3 | 2.3 | 45% |
Humulin 50/50 | 0.3 | 3.3 | 44% |
NPH | 0.32 | 5.5 | 14% |
NPL component | 0.3 | 5.8 | 22% |
Humalog Mix50/50 is intended only for subcutaneous administration. Humalog Mix50/50 should not be administered intravenously. Dosage regimens of Humalog Mix50/50 will vary among patients and should be determined by the healthcare provider familiar with the patient’s metabolic needs, eating habits, and other lifestyle variables. Humalog has been shown to be equipotent to Regular human insulin on a molar basis. One unit of Humalog has the same glucose–lowering effect as one unit of Regular human insulin, but its effect is more rapid and of shorter duration. The quicker glucose–lowering effect of Humalog is related to the more rapid absorption rate of insulin lispro from subcutaneous tissue.
Direct comparison between Humalog Mix50/50 and Humulin 50/50 was not performed. However, a cross–study comparison shown in Figure 3 suggests that Humalog Mix50/50 has a duration of activity that is similar to Humulin 50/50.
The rate of insulin absorption and consequently the onset of activity are known to be affected by the site of injection, exercise, and other variables. As with all insulin preparations, the time course of action of Humalog Mix50/50 may vary considerably in different individuals or within the same individual. Patients must be educated to use proper injection techniques.
Humalog Mix50/50 should be inspected visually before use. Humalog Mix50/50 should be used only if it appears uniformly cloudy after mixing. Humalog Mix50/50 should not be used after its expiration date.
How is Humalog 50/50 Supplied
Humalog Mix50/50 [50% insulin lispro protamine suspension and 50% insulin lispro injection, (rDNA origin)] is available in the following package sizes: each presentation containing 100 units insulin lispro per mL (U-100).
10 mL vials | NDC 0002–7512–01 (VL-7512) |
5 x 3 mL prefilled insulin delivery devices (Pen) | NDC 0002–8793–59 (HP-8793) |
5 x 3 mL prefilled insulin delivery devices (KwikPen™) | NDC 0002–8798–59 (HP-8798) |
Storage — Humalog Mix50/50 should be stored in a refrigerator [2° to 8°C (36° to 46°F)], but not in the freezer. Do not use Humalog Mix50/50 if it has been frozen. Unrefrigerated [below 30°C (86°F)] vials must be used within 28 days or be discarded, even if they still contain Humalog Mix50/50. Unrefrigerated [below 30°C (86°F)] Pens, and KwikPens must be used within 10 days or be discarded, even if they still contain Humalog Mix50/50. Protect from direct heat and light. See table below:
Not In-Use (Unopened) Room Temperature [Below 30°C (86°F)] | Not In-Use (Unopened) Refrigerated | In-Use (Opened) Room Temperature [Below 30°C (86°F)] | |
10 mL Vial | 28 days | Until expiration date | 28 days, refrigerated/room temperature. |
3 mL Pen and KwikPen (prefilled) | 10 days | Until expiration date | 10 days. Do not refrigerate. |
Literature revised March 16, 2009
KwikPens manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA
Pens manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA or
Lilly France, F-67640 Fegersheim, France
Vials manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA or
Lilly France, F-67640 Fegersheim, France
for Eli Lilly and Company, Indianapolis, IN 46285, USA
www.humalog.com
Copyright © 2007, 2009, Eli Lilly and Company. All rights reserved.
PV 5542 AMP
Patient Information
Humalog® (HU-ma-log) Mix50/50TM
50% insulin lispro protamine suspension and
50% insulin lispro injection (rDNA origin)
Important: Know your insulin. Do not change the type of insulin you use unless told to do so by your healthcare provider. Your insulin dose and the time you take your dose can change with different types of insulin. Make sure you have the right type and strength of insulin prescribed for you. |
Read the Patient Information that comes with Humalog Mix50/50 before you start using it and each time you get a refill. There may be new information. This leaflet does not take the place of talking with your healthcare provider about your diabetes or treatment. Make sure that you know how to manage your diabetes. Ask your healthcare provider if you have questions about managing your diabetes.
What is Humalog Mix50/50?
Humalog Mix50/50 is a mixture of fast-acting and longer-acting man-made insulins. Humalog Mix50/50 is used to control high blood sugar (glucose) in people with diabetes.
Humalog Mix50/50 comes in:
10 mL vials (bottles) for use with a syringe
Prefilled pens
Who should not take Humalog Mix50/50?
Do not take Humalog Mix50/50 if:
your blood sugar is too low (hypoglycemia). After treating your low blood sugar, follow your healthcare provider's instructions on the use of Humalog Mix50/50.
you are allergic to anything in Humalog Mix50/50. See the end of this leaflet for a complete list of ingredients in Humalog Mix50/50.
Tell your healthcare provider:
about all your medical conditions. Medical conditions can affect your insulin needs and your dose of Humalog Mix50/50.
if you are pregnant or breastfeeding. You and your healthcare provider should talk about the best way to manage your diabetes while you are pregnant or breastfeeding. Humalog Mix50/50 has not been studied in pregnant or nursing women.
about all the medicines you take, including prescription and non-prescription medicines, vitamins and herbal supplements. Many medicines can affect your blood sugar levels and insulin needs. Your Humalog Mix50/50 dose may need to change if you take other medicines.
Know the medicines you take. Keep a list of your medicines with you to show to all of your healthcare providers.
How should I use Humalog Mix50/50?
Talk to your healthcare provider if you have any questions. Your healthcare provider will tell you the right syringes to use with Humalog Mix50/50 vials. Your healthcare provider should show you how to inject Humalog Mix50/50 before you start using it. Read the User Manual that comes with your Humalog Mix50/50 prefilled pen.
Use Humalog Mix50/50 exactly as prescribed by your healthcare provider.
Humalog Mix50/50 starts working faster than other insulins that contain regular human insulin. Inject Humalog Mix50/50 fifteen minutes or less before a meal. If you do not plan to eat within 15 minutes, delay the injection until the correct time (15 minutes before eating).
Check your blood sugar levels as told by your healthcare provider.
Mix Humalog Mix50/50 well before each use. For Humalog Mix50/50 in a vial, carefully shake or rotate the vial until completely mixed. For prefilled pens, carefully follow the User Manual for instructions on mixing the pen. Humalog Mix50/50 should be cloudy or milky after mixing well.
Look at your Humalog Mix50/50 before each injection. If it is not evenly mixed or has solid particles or clumps in it, do not use. Return it to your pharmacy for new Humalog Mix50/50.
Inject your dose of Humalog Mix50/50 under the skin of your stomach area, upper arm, upper leg, or buttocks. Never inject Humalog Mix50/50 into a muscle or vein.
Change (rotate) your injection site with each dose.
Your insulin needs may change because of:
illness
stress
other medicines you take
changes in eating
physical activity changes
Follow your healthcare provider's instructions to make changes in your insulin dose.
Never mix Humalog Mix50/50 in the same syringe with other insulin products.
Never use Humalog Mix50/50 in an insulin pump.
Always carry a quick source of sugar to treat low blood sugar, such as glucose tablets, hard candy, or juice.
What are the possible side effects of Humalog Mix50/50?
Low Blood Sugar (Hypoglycemia). Symptoms of low blood sugar include:
hunger
dizziness
feeling shaky or shakiness
lightheadedness
sweating
irritability
headache
fast heartbeat
confusion
Low blood sugar symptoms can happen suddenly. Symptoms of low blood sugar may be different for each person and may change from time to time. Severe low blood sugar can cause seizures and death. Low blood sugar may affect your ability to drive a car or use mechanical equipment, risking injury to yourself or others. Know your symptoms of low blood sugar. Low blood sugar can be treated by drinking juice or regular soda or eating glucose tablets, sugar, or hard candy. Follow your healthcare provider's instructions for treating low blood sugar. Talk to your healthcare provider if low blood sugar is a problem for you.
Serious allergic reactions (whole body allergic reaction). Severe, life-threatening allergic reactions can happen with insulin. Get medical help right away if you develop a rash over your whole body, have trouble breathing, wheezing, a fast heartbeat, or sweating.
Reactions at the injection site (local allergic reaction). You may get redness, swelling, and itching at the injection site. If you keep having injection site reactions or they are serious, you need to call your healthcare provider. Do not inject insulin into a skin area that is red, swollen, or itchy.
Skin thickens or pits at the injection site (lipodystrophy). This can happen if you don't change (rotate) your injection sites enough.
These are not all the side effects from Humalog Mix50/50. Ask your healthcare provider or pharmacist for more information.
How should I store Humalog Mix50/50?
Store all unopened (unused) Humalog Mix50/50 in the original carton in a refrigerator at 36°F to 46°F (2°C to 8°C). Do not freeze.
Do not use Humalog Mix50/50 that has been frozen.
Do not use after the expiration date printed on the carton and label.
Protect Humalog Mix50/50 from extreme heat, cold or light.
After starting use (open):
Vials: Keep in the refrigerator or at room temperature below 86°F (30°C) for up to 28 days. Keep open vials away from direct heat or light. Throw away an opened vial 28 days after first use, even if there is insulin left in the vial.
Prefilled Pens: Do not store a prefilled pen that you are using in the refrigerator. Keep at room temperature below 86°F (30°C) for up to 10 days. Throw away a prefilled pen 10 days after first use, even if there is insulin left in the pen.
General information about Humalog Mix50/50
Use Humalog Mix50/50 only to treat your diabetes. Do not share it with anyone else, even if they also have diabetes. It may harm them.
This leaflet summarized the most important information about Humalog Mix50/50. If you would like more information about Humalog Mix50/50 or diabetes, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about Humalog Mix50/50 that is written for health professionals.
For questions you may call 1–800–LillyRx (1–800–545–5979) or visit www.humalog.com.
What are the ingredients in Humalog Mix50/50?
Active ingredients: insulin lispro protamine suspension and insulin lispro.
Inactive ingredients: protamine sulfate, glycerin, dibasic sodium phosphate, metacresol, zinc oxide (zinc ion), phenol and water for injection.
Patient Information revised March 16, 2009
KwikPens manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA
Pens manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA or
Lilly France, F-67640 Fegersheim, France
Vials manufactured by
Eli Lilly and Company, Indianapolis, IN 46285, USA or
Lilly France, F-67640 Fegersheim, France
for Eli Lilly and Company, Indianapolis, IN 46285, USA
www.humalog.com
Copyright © 2007, 2009, Eli Lilly and Company. All rights reserved.
PV 5571 AMP
Humalog® Mix50/50™ KwikPen™
50% insulin lispro protamine suspension and
50% insulin lispro injection (rDNA origin)
Disposable Insulin Delivery Device
User Manual
________________________________________________________
Introduction
Humalog® Mix50/50™ KwikPen™ (“Pen”) is designed for ease of use. It is a disposable insulin delivery device (“insulin Pen”) containing 3 mL (300 units) of U-100 Humalog® Mix50/50™ [50% insulin lispro protamine suspension and 50% insulin lispro injection (rDNA origin)] insulin. You can inject from 1 to 60 units of Humalog Mix50/50 in one injection. You can dial your dose one unit at a time. If you dial too many units, you can dial backwards to correct the dose without wasting any insulin.
Before using Humalog Mix50/50 KwikPen read the entire manual completely and follow the directions carefully. If you do not follow these directions completely, you may get too much or too little insulin.
Do not share your Humalog Mix50/50 KwikPen or needles with anyone else. You may give an infection to them or get an infection from them.
DO NOT USE your KwikPen if any part appears broken or damaged. Contact Lilly at 1-800-Lilly-Rx (1-800-545-5979) or your healthcare professional for a replacement Pen. Always carry an extra Pen in case yours is lost or damaged.
This Pen is not recommended for use by the blind or visually impaired persons without the assistance of a person trained in the proper use of the product.
Preparing Humalog Mix50/50 KwikPen
Important Notes
- Read and follow the directions provided in the Patient Information Leaflet.
- Check the label on your Pen before each injection for the expiration date and to make sure you are using the correct type of insulin.
- Your healthcare professional has prescribed the best type of insulin for you. Any changes in insulin therapy should be made only under medical supervision.
- KwikPen is recommended for use with Becton, Dickinson and Company pen needles.
- Be sure the needle is completely attached to the Pen before use.
- Do not share your Pen or needles.
- Keep these directions for future reference.
Frequently Asked Questions about Preparing Humalog Mix50/50 KwikPen
- What should my insulin look like? Humalog Mix50/50 should be cloudy or milky after mixing well. If your Humalog Mix50/50 has solid particles or clumps in it, return it to your pharmacy for a replacement. Be sure to refer to your Patient Information Leaflet for the appearance of your specific insulin.
- Why should I use a new needle for each injection? This will help ensure sterility. If needles are reused, you may get the wrong amount of insulin, a clogged needle or a jammed Pen.
- What should I do if I am not sure how much insulin remains in my cartridge? Hold the Pen with the needle end pointing down. The scale on the clear Cartridge Holder shows an estimate of the number of units remaining. These numbers should NOT be used for measuring an insulin dose.
Priming Humalog Mix50/50 KwikPen
Important Notes
- Prime every time. The Pen must be primed to a stream of insulin before each injection to make sure the Pen is ready to dose.
- If you do not prime, you may get too much or too little insulin.
Frequently Asked Questions about Priming
- Why should I prime my KwikPen before each dose?
- Ensures that the Pen is ready to dose.
- Confirms that a stream of insulin comes out of the tip of the needle when you push the Dose Knob in.
- Removes air that may collect in the needle or insulin cartridge during normal use.
- What should I do if I cannot completely push in the Dose Knob when priming the KwikPen?
- Attach a new needle.
- Prime the Pen.
- What should I do if I see an air bubble in the cartridge? You need to prime the Pen. Remember, do not store the Pen with the needle attached as this may cause air bubbles to collect in the insulin cartridge. A small air bubble will not affect your dose and you can continue to take your dose as usual.
Injecting Your Dose
Important Notes
- Follow the instructions for sanitary injection technique recommended by your healthcare professional.
- Make sure you receive your complete dose by pushing and holding the dose knob in and count to 5 slowly before removing the needle. If insulin is leaking from the Pen you may not have held it in your skin long enough.
- The Pen will not allow you to dial more than the number of units left in the Pen.
- If your dose is greater than the number of units left in the Pen, you may either inject the amount remaining in your current Pen and then use a new Pen to complete your dose OR inject the full dose with a new Pen.
- Do not attempt to inject your insulin by turning the Dose Knob. You will NOT receive your insulin by turning the Dose Knob. You must PUSH the Dose Knob straight in for the dose to be delivered.
- Do not attempt to change the dose while injecting.
- The directions regarding needle handling are not intended to replace local, healthcare professional or institutional policies.
- Remove the needle after completing each injection.
Frequently Asked Questions about Injecting Your Dose
- Why is it difficult to push the Dose Knob when I try to inject?
- Your needle may be clogged. Try attaching a new needle. When you do this you may see insulin come out of the needle. Then prime the Pen.
- Pressing the Dose Knob quickly may make the Dose Knob harder to push. Pressing the Dose Knob more slowly may make it easier.
- Using a larger diameter needle will make it easier to push the Dose Knob during your injection. See your healthcare professional to determine which needle size is best for you.
- If the Dose Knob continues to be difficult to push after following the steps above, try the steps below under “What should I do if my KwikPen is jammed?”.
- What should I do if my KwikPen is jammed? Your Pen may be jammed if it is difficult to inject a dose or dial a dose. To clear the jam:
- Attach a new needle. When you do this you may see insulin come out of the needle.
- Prime the Pen.
- Dial your dose and inject.
- If the Dose Knob is still difficult to push, contact Lilly at 1-800-Lilly-Rx
(1-800-545-5979).
- Why is insulin leaking from the needle after I finished injecting my dose? You may have removed the needle from your skin too quickly.
- Make sure you see a 0 in the Dose Window to confirm you received the complete dose.
- For the next dose, push and hold the Dose Knob in and count to 5 s
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