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Dangerous Drug-Device Interaction
Only use glucose-specific monitors and test strips to measure blood glucose levels in patients using Extraneal (icodextrin) Peritoneal Dialysis Solution. Blood glucose monitoring devices using glucose dehydrogenase pyrroloquinolinequinone (GDH-PQQ) or glucose-dye-oxidoreductase (GDO)-based methods must not be used. In addition, some blood glucose monitoring systems using glucose dehydrogenase flavin-adenine dinucleotide (GDH-FAD)-based methods must not be used. Use of GDH-PQQ, GDO, and GDH-FAD-based glucose monitors and test strips has resulted in falsely elevated glucose readings (due to the presence of maltose, see Drug/Laboratory Test Interactions). Falsely elevated glucose readings have led patients or health care providers to withhold treatment of hypoglycemia or to administer insulin inappropriately. Both of these situations have resulted in unrecognized hypoglycemia, which has led to loss of consciousness, coma, permanent neurological damage, and death. Plasma levels of Extraneal (icodextrin) and its metabolites return to baseline within approximately 14 days following cessation of Extraneal (icodextrin) administration. Therefore falsely elevated glucose levels may be measured up to two weeks following cessation of Extraneal (icodextrin) therapy when GDH-PQQ, GDO, and GDH-FAD-based blood glucose monitors and test strips are used.
Because GDH-PQQ, GDO, and GDH-FAD-based blood glucose monitors may be used in hospital settings, it is important that the health care providers of peritoneal dialysis patients using Extraneal (icodextrin) carefully review the product information of the blood glucose testing system, including that of test strips, to determine if the system is appropriate for use with Extraneal (icodextrin).
To avoid improper insulin administration, educate patients to alert health care providers of this interaction whenever they are admitted to the hospital.
The manufacturers) of the monitor and test strips should be contacted to determine if icodextrin or maltose causes interference or falsely elevated glucose readings. For a list of toll free numbers for glucose monitor and test strip manufacturers, please contact the Baxter Renal Clinical Help Line 1-888-RENAL-HELP or visit www.glucosesafety.com.
Extraneal (icodextrin) Peritoneal Dialysis Solution is a peritoneal dialysis solution containing the colloid osmotic agent icodextrin. Icodextrin is a starch-derived, water-soluble glucose polymer linked by alpha (1-4) and less than 10% alpha (1-6) glucosidic bonds with a weight-average molecular weight between 13,000 and 19,000 Daltons and a number average molecular weight between 5,000 and 6,500 Daltons. The representative structural formula of icodextrin is:
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| Each 100 mL of Extraneal contains: | |
| Icodextrin | 7.5 g |
| Sodium Chloride, USP | 535 mg |
| Sodium Lactate | 448 mg |
| Calcium Chloride, USP | 25.7 mg |
| Magnesium Chloride, USP | 5.08 mg |
| Electrolyte content per liter: | |
| Sodium | 132 mEq/L |
| Calcium | 3.5 mEq/L |
| Magnesium | 0.5 mEq/L |
| Chloride | 96 mEq/L |
| Lactate | 40 mEq/L |
Water for Injection, USP qs
HCl/NaOH may have been used to adjust pH.
Extraneal (icodextrin peritoneal dialysis solution) contains no bacteriostatic or antimicrobial agents.
Calculated osmolarity: 282-286 mOsm/L; pH=5.0-6.0
Extraneal (icodextrin peritoneal dialysis solution) is available for intraperitoneal administration only as a sterile, nonpyrogenic, clear solution in AMBU-FLEXII, AMBU-FLEX III and ULTRABAG containers. The container systems are composed of poly vinyl chloride.
Solutions in contact with the plastic container can leach out certain of its chemical components in very small amounts within the expiration period, e.g., di-2-ethylhexyl phthalate (DEHP), up to 5 parts per million; however, the safety of the plastic has been confirmed in tests in animals according to USP biological tests for plastic containers as well as by tissue culture toxicity studies.
EXTRANEAL (icodextrin) is indicated for a single daily exchange for the long (8-to 16-hour) dwell during continuous ambulatory peritoneal dialysis (CAPD) or automated peritoneal dialysis (APD) for the management of kidney failure in patients requiring long-term kidney replacement therapy. EXTRANEAL is also indicated to improve (compared to 4.25% dextrose) long-dwell ultrafiltration and clearance of creatinine and urea nitrogen in patients with high average or greater transport characteristics, as defined using the peritoneal equilibration test (PET) [see CLINICAL PHARMACOLOGY, Clinical Studies].
EXTRANEAL is intended for intraperitoneal administration only. Not for intravenous or intra-arterial administration. Administer as a single daily exchange for the long dwell in continuous ambulatory peritoneal dialysis or automated peritoneal dialysis. The recommended dwell time is 8 to 16 hours. Administer over a period of 10 to 20 minutes at a rate that is comfortable for the patient.
The mode of therapy, frequency of treatment, exchange volume, duration of dwell, and length of dialysis should be initiated and supervised by the prescribing physician experienced in the treatment of kidney failure in patients requiring long-term kidney replacement therapy with peritoneal dialysis. It is recommended that patients being placed on peritoneal dialysis should be appropriately trained in a program that is under supervision of a physician.
For complete CAPD and APD system preparation, see directions accompanying ancillary equipment.
Aseptic technique should be used throughout the peritoneal dialysis procedure.
For single-dose only.
Store in moisture barrier overwrap and in carton until ready to use [see HOW SUPPLIED].
For patient comfort, EXTRANEAL can be warmed to 37°C (98.6°F). Only dry heat should be used (e.g., heating pad, warming plate). Do not immerse EXTRANEAL in water for warming. Do not use a microwave oven to warm EXTRANEAL. Do not heat above 40°C (104°F).
To open, tear the overwrap down at the slit and remove the solution container. Some opacity of the plastic, due to moisture absorption during the sterilization process, may be observed. This does not affect the solution quality or safety and may often leave a slight amount of moisture within the overwrap.
Do not use EXTRANEAL if it is cloudy or discolored, if it contains particulate matter, or if the container is leaking.
Inspect the patient connector to ensure the pull ring is attached. Do not use if pull ring is not attached to the connector. Inspect the EXTRANEAL container for signs of leakage and check for minute leaks by squeezing the container firmly. If the container has frangible(s), inspect that they are positioned correctly and are not broken. Do not use EXTRANEAL if the frangible(s) are broken or leaks are suspected as sterility may be impaired.
For EXTRANEAL in ULTRABAG, inspect the tubing and drain container for presence of solution. Small droplets are acceptable, but if solution flows past the frangible prior to use, do not use and discard the units.
The decision to add medication should be made by the physician after careful evaluation of the patient [see DRUG INTERACTIONS, CLINICAL PHARMACOLOGY].
If the re-sealable rubber plug on the medication port is missing or partly removed, do not use the product.
To add a medication:
EXTRANEAL is a clear, colorless peritoneal dialysis solution containing icodextrin as the primary osmotic ingredient at a concentration of 7.5% (7.5 grams icodextrin per 100 milliliters) in an electrolyte solution with 40 mEq/L lactate.
EXTRANEAL is available in the following containers and fill volumes:
| Container | Fill Volume | Peritoneal Dialysis Modality |
| ULTRABAG | 2 L, 2.5 L | CAPD |
| AMBU-FLEX II | 2 L, 2.5 L | APD |
EXTRANEAL (icodextrin) Peritoneal Dialysis Solution is available in the following containers and fill volumes:
| Container | Fill Volume | NDC |
| ULTRABAG | 2 L | NDC 0941-0679-52 |
| ULTRABAG | 2.5 L | NDC 0941-0679-53 |
| AMBU-FLEX II | 2 L | NDC 0941-0679-06 |
| AMBU-FLEX II | 2.5 L | NDC 0941-0679-05 |
Each 100 mL of EXTRANEAL contains 7.5 grams of icodextrin in an electrolyte solution with 40 mEq/L lactate.
Store at 20–25°C (68–77°F). Excursions permitted to 15–30°C (59–86°F) [See USP Controlled Room Temperature]. Protect from freezing.
Store in moisture barrier overwrap and in carton until ready to use.
Baxter Healthcare Corporation, Deerfield, IL 60015 USA Printed in USA. Revised: Apr 2024
EXTRANEAL was originally studied in controlled clinical trials of 493 patients with kidney failure in patients requiring long-term kidney replacement therapy who received a single daily exchange of EXTRANEAL for the long dwell (8-to 16-hours). There were 215 patients exposed for at least 6 months and 155 patients exposed for at least one year. The population was 18-83 years of age, 56% male and 44% female, 73% Caucasian, 18% Black, 4% Asian, 3% Hispanic, and it included patients with the following comorbid conditions: 27% diabetes, 49% hypertension and 23% hypertensive nephropathy.
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of a drug cannot be compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The adverse reaction information from clinical trials does, however, provide a basis for identifying the adverse events that appear to be related to drug use and for approximating rates.
Rash was the most frequently occurring EXTRANEAL-related adverse reaction (5.5%, EXTRANEAL; 1.7% Control). Seven patients on EXTRANEAL discontinued treatment due to rash, and one patient on EXTRANEAL discontinued due to exfoliative dermatitis. The rash typically appeared within the first three weeks of treatment and resolved with treatment discontinuation or, in some patients, with continued treatment.
Table 1 shows the adverse events reported in these clinical studies regardless of causality, occurring in ≥5% of patients and more common on EXTRANEAL than control.
Table 1 – Adverse Experiences in ≥5% of Patients and More Common on EXTRANEAL
| EXTRANEAL | Control | |
| N = 493 | N = 347 | |
| Peritonitis | 26% | 25% |
| Upper respiratory infection | 15% | 13% |
| Hypertension | 13% | 8% |
| Rash | 10% | 5% |
| Headache | 9% | 7% |
| Abdominal Pain | 8% | 6% |
| Flu syndrome | 7% | 6% |
| Nausea | 7% | 5% |
| Cough increase | 7% | 4% |
| Edema | 6% | 5% |
| Accidental injury | 6% | 4% |
| Chest pain | 5% | 4% |
| Dyspepsia | 5% | 4% |
| Hyperglycemia | 5% | 4% |
An increase in mean serum alkaline phosphatase has been observed in clinical studies of ESRD patients receiving EXTRANEAL. No associated increases in other liver chemistry tests were observed. Serum alkaline phosphatase levels did not show progressive increase over a 12-month study period. Levels returned to normal approximately two weeks after discontinuation of EXTRANEAL.
Decreases in serum sodium and chloride have been observed in patients using EXTRANEAL. The mean change in serum sodium from baseline to the last study visit was -2.8 mmol/L for patients on EXTRANEAL and -0.3 mmol/L for patients on control solution. Four EXTRANEAL patients and two control patients developed serum sodium < 125 mmol/L. The mean change in serum chloride from baseline to last study visit was -2 mmol/L for EXTRANEAL patients and + 0.6 mmol/L for control patients. Similar changes in serum chemistries were observed in an additional clinical study in a subpopulation of high average/high transporter patients. The declines in serum sodium and chloride may be related to dilution resulting from the presence of icodextrin metabolites in plasma.
An apparent decrease in serum amylase activity has been observed in patients administered EXTRANEAL. Investigations indicate that icodextrin and its metabolites interfere with enzymatic-based amylase assays, resulting in inaccurately low values. This should be taken into account when evaluating serum amylase levels for diagnosis or monitoring of pancreatitis in patients using EXTRANEAL.
The following adverse reactions have been identified during post-approval use of EXTRANEAL, or in conjunction with performing the peritoneal dialysis procedure. Because these reactions are reported voluntarily from a population of uncertain size, it is not possible to estimate their frequency reliably or to establish a causal relationship to drug exposure.
INFECTIONS AND INFESTATIONS: Fungal peritonitis, Peritonitis bacterial, Catheter related infection
BLOOD AND LYMPHATIC SYSTEM DISORDERS: Thrombocytopenia, Leukopenia, Leukocytosis
IMMUNE SYSTEM DISORDERS: Vasculitis, Serum sickness, Hypersensitivity
METABOLISM AND NUTRITION DISORDERS: Hypoglycemic shock, Dehydration
NERVOUS SYSTEM DISORDERS: Hypoglycemic coma, Burning sensation
EYE DISORDERS: Vision blurred
RESPIRATORY, THORACIC, AND MEDIASTINAL DISORDERS: Bronchospasm, Stridor
GASTROINTESTINAL DISORDERS: Encapsulating peritoneal sclerosis, Aseptic peritonitis, Ileus, Ascites, Inguinal hernia
SKIN AND SUBCUTANEOUS DISORDERS: Toxic epidermal necrolysis, Angioedema, Urticaria generalized, Prurigo, Dermatitis (including bullous, allergic and contact), Erythema, Onychomadesis, Dry skin, Skin chapped, Blister
MUSCULOSKELETAL, CONNECTIVE TISSUE DISORDERS: Musculoskeletal pain
REPRODUCTIVE SYSTEM AND BREAST DISORDERS: Penile edema, Scrotal edema
GENERAL DISORDERS AND ADMINISTRATIVE SITE CONDITIONS: Pyrexia, Chills, Malaise, Catheter site erythema, Catheter site inflammation, Infusion related reaction (including Infusion site pain, Instillation site pain)
INVESTIGATIONS: Liver function test abnormal, Urine output decreased
As with other dialysis solutions, blood concentrations of dialyzable drugs may be reduced by dialysis. Dosage adjustment of concomitant medications may be necessary. In patients using cardiac glycosides (digoxin and others), plasma levels of calcium, potassium and magnesium must be carefully monitored [see WARNINGS AND PRECAUTIONS].
Patients with insulin-dependent diabetes may require modification of insulin dosage following initiation of treatment with EXTRANEAL. Monitor blood glucose and adjust insulin, if needed [see WARNINGS AND PRECAUTIONS].
Included as part of the "PRECAUTIONS" Section
When measuring blood glucose levels in patients using EXTRANEAL (icodextrin) Peritoneal Dialysis Solution, do not use blood glucose monitoring devices using glucose dehydrogenase pyrroloquinolinequinone (GDH-PQQ)-, glucose-dye-oxidoreductase (GDO)-, and some glucose dehydrogenase flavin-adenine dinucleotide (GDH-FAD) based methods because these systems may result in falsely elevated glucose readings (due to the presence of maltose). Falsely elevated glucose readings have led patients or health care providers to withhold treatment of hypoglycemia or to administer insulin inappropriately leading to unrecognized hypoglycemia. Falsely elevated glucose levels may be measured up to two weeks following cessation of EXTRANEAL (icodextrin) therapy when GDH-PQQ, GDO, and GDH-FAD-based blood glucose monitors and test strips are used.
Additionally, other glucose-measuring technologies, such as continuous glucose monitoring systems, may or may not be compatible with EXTRANEAL.
Always contact the device manufacturer for current information regarding compatibility and intended use of the device in the dialysis patient population. For additional information, please contact the Baxter Renal Clinical Help Line 1-888-RENAL-HELPor visit www.glucosesafety.com.
Infectious and aseptic peritonitis has been associated with EXTRANEAL use. Following EXTRANEAL use, inspect the drained fluid for the presence of fibrin or cloudiness, which may indicate the presence of peritonitis. Improper clamping or priming sequence may result in infusion of air into the peritoneal cavity, which may result in abdominal pain and/or peritonitis. If peritonitis occurs, treat with appropriate therapy.
Encapsulating peritoneal sclerosis (EPS), sometimes fatal, is a complication of peritoneal dialysis therapy and has been reported in patients using EXTRANEAL.
Serious hypersensitivity reactions to EXTRANEAL have been reported such as toxic epidermal necrolysis, angioedema, serum sickness, erythema multiforme and vasculitis [see ADVERSE REACTIONS]. Anaphylactic or anaphylactoid reactions may occur. Stop the infusion immediately and drain the solution from the peritoneal cavity if any signs or symptoms of a suspected hypersensitivity reaction develop [see CONTRAINDICATIONS]. Institute appropriate therapeutic countermeasures as clinically indicated.
Monitor patients with conditions known to increase the risk of lactic acidosis [e.g., severe hypotension or sepsis that can be associated with acute renal failure, inborn errors of metabolism, treatment with drugs such as nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs)] for lactic acidosis before the start of treatment and during treatment with EXTRANEAL [see CONTRAINDICATIONS].
Overinfusion of peritoneal dialysis solution volume into the peritoneal cavity may be characterized by abdominal distention, feeling of fullness and/or shortness of breath. Drain the peritoneal dialysis solution from the peritoneal cavity to treat overinfusion.
Peritoneal dialysis may affect a patient’s protein, water-soluble vitamin, potassium, sodium, chloride, bicarbonate, and magnesium levels and volume status [see ADVERSE REACTIONS]. Monitor electrolytes and blood chemistry periodically and take appropriate clinical action.
Potassium is omitted from EXTRANEAL solutions because dialysis may be performed to correct hyperkalemia. In situations where there is a normal serum potassium level or hypokalemia, the addition of potassium chloride (up to a concentration of 4 mEq/L) may be indicated to prevent severe hypokalemia.
Monitor fluid status to avoid hyper- or hypovolemia and potentially severe consequences including congestive heart failure, volume depletion, and hypovolemic shock.
Icodextrin did not demonstrate evidence of genotoxicity potential in in vitro bacterial cell reverse mutation assay (Ames test); in vitro mammalian cell chromosomal aberration assay (CHO cell assay); and in the in vivo micronucleus assay in mice. Long-term animal studies to evaluate the carcinogenic potential of EXTRANEAL or icodextrin have not been conducted. Icodextrin is derived from maltodextrin, a common food ingredient.
A fertility study in rats where males and females were treated for four and two weeks, respectively, prior to mating and until day 17 of gestation at up to 1.5 g/kg/day (1/3 the human exposure on a mg/m2 basis) revealed slightly low epididymal weights in parental males in the high dose group as compared to Control. Toxicological significance of this finding was not evident as no other reproductive organs were affected and all males were of proven fertility. The study demonstrated no effects of treatment with icodextrin on mating performance, fertility, litter response, embryo-fetal survival, or fetal growth and development.
EXTRANEAL is a pharmacologically inactive solution. While there are no adequate and well controlled studies in pregnant women, appropriate administration of EXTRANEAL with monitoring of hematology, blood chemistry, and fluid status is not expected to cause fetal harm.
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively.
It is not known whether icodextrin or its metabolites are excreted in human milk. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for EXTRANEAL and any potential adverse effects on the breastfed child from EXTRANEAL or from the mother’s underlying condition.
Safety and effectiveness in pediatric patients have not been established.
No formal studies were specifically carried out in the geriatric population. However, 140 of the patients in clinical studies of EXTRANEAL were age 65 or older, with 28 of the patients age 75 or older. No overall differences in safety or effectiveness were observed between these patients and patients under age 65. Although clinical experience has not identified differences in responses between the elderly and younger patients, greater sensitivity of some older individuals cannot be ruled out.
No clinical trial data are available on experiences of overdosage with EXTRANEAL. Overdosage of EXTRANEAL would be expected to result in higher levels of serum icodextrin and metabolites, but it is not known what signs or symptoms might be caused by exposure in excess of the exposures used in clinical trials. An increase in plasma osmolality or clinical manifestations of hypovolemia may occur. In the event of overdosage with EXTRANEAL, continued peritoneal dialysis with glucose-based solutions should be provided.
EXTRANEAL is contraindicated in patients with:
EXTRANEAL is an isosmotic peritoneal dialysis solution containing glucose polymers (icodextrin) as the primary osmotic agent. Icodextrin functions as a colloid osmotic agent to achieve ultrafiltration during long peritoneal dialysis dwells. Icodextrin acts in the peritoneal cavity by exerting osmotic pressure across small intercellular pores resulting in transcapillary ultrafiltration throughout the dwell. Like other peritoneal dialysis solutions, EXTRANEAL also contains electrolytes to help normalize electrolyte balance and lactate to help normalize acid-base status.
EXTRANEAL results in a reduction in the absorbed caloric (carbohydrate) load compared to 4.25% hyperosmolar glucose solutions. Additionally, EXTRANEAL results in an increased ultrafiltration volume per gram of absorbed carbohydrate compared to hyperosmolar glucose solutions.
Absorption of icodextrin from the peritoneal cavity follows zero-order kinetics consistent with convective transport via peritoneal lymphatic pathways. In a single-dose pharmacokinetic study using EXTRANEAL, a median of 40% (60 g) of the instilled icodextrin was absorbed from the peritoneal solution during a 12-hour dwell. Plasma levels of icodextrin rose during the dwell and declined after the dwell was drained. Peak plasma levels of icodextrin plus its metabolites (median Cpeak 2.2 g/L) were observed at the end of the long dwell exchange (median Tmax = 13 hours). At steady-state, the mean plasma level of icodextrin plus its metabolites was about 5 g/L. In multi-dose studies, steady-state levels of icodextrin were achieved within one week. Plasma levels of icodextrin and metabolites return to baseline values within approximately two weeks following cessation of icodextrin administration.
Icodextrin is metabolized by alpha-amylase into oligosaccharides with a lower degree of polymerization (DP), including maltose (DP2), maltotriose (DP3), maltotetraose (DP4), and higher molecular weight species. In a single dose study, DP2, DP3 and DP4 showed a progressive rise in plasma concentrations with a profile similar to that for total icodextrin, with peak values reached by the end of the dwell and declining thereafter. Only very small increases in blood levels of larger polymers were observed. Steady-state plasma levels of icodextrin metabolites were achieved within one week and stable plasma levels were observed during long-term administration.
Some degree of metabolism of icodextrin occurs intraperitoneally with a progressive rise in the concentration of the smaller polymers in the dialysate during the 12-hour dwell.
Icodextrin undergoes renal elimination in direct proportion to the level of residual renal function. Diffusion of the smaller icodextrin metabolites from plasma into the peritoneal cavity is also possible after systemic absorption and metabolism of icodextrin.
The influence of age on the pharmacokinetics of icodextrin and its metabolites was not assessed.
The influence of gender and race on the pharmacokinetics of icodextrin and its metabolites was not assessed.
A clinical study in 6 insulin-dependent diabetic patients demonstrated no effect of EXTRANEAL on insulin absorption from the peritoneal cavity or on insulin’s ability to control blood glucose when insulin was administered intraperitoneally with EXTRANEAL. However, appropriate monitoring of blood glucose should be performed when initiating EXTRANEAL in diabetic patients and insulin dosage should be adjusted if needed [see DRUG INTERACTIONS].
In vitro studies demonstrated no evidence of incompatibility of heparin with EXTRANEAL.
Compatibility has been demonstrated with vancomycin, cefazolin, ceftazidime, gentamicin, and netilmicin. However, aminoglycosides should not be mixed with penicillins due to chemical incompatibility.
No formal clinical drug interaction studies have been performed. In vitro studies with EXTRANEAL and the following antibiotics have demonstrated no effects with regard to minimum inhibitory concentration (MIC): vancomycin, cefazolin, ampicillin, ampicillin/flucoxacillin, ceftazidime, gentamicin, and amphotericin.
In the active-controlled trials of one to six months in duration, described below, EXTRANEAL used once-daily for the long dwell in either continuous ambulatory peritoneal dialysis (CAPD) or automated peritoneal dialysis (APD) therapy resulted in higher net ultrafiltration than 1.5% and 2.5% dextrose solutions, and higher creatinine and urea nitrogen clearances than 2.5% dextrose. Net ultrafiltration was similar to 4.25% dextrose across all patients in these studies. Effects were generally similar in CAPD and APD.
In an additional randomized, multicenter, active-controlled two-week study in high average/high transporter APD patients, EXTRANEAL used once daily for the long dwell produced higher net ultrafiltration compared to 4.25% dextrose. Mean creatinine and urea nitrogen clearances were also greater with EXTRANEAL and ultrafiltration efficiency was improved.
In 175 CAPD patients randomized to EXTRANEAL (N=90) or 2.5% dextrose solution (N=85) for the 8-15 hour overnight dwell for one month, mean net ultrafiltration for the overnight dwell was significantly greater in the EXTRANEAL group at weeks 2 and 4 (Figure 1). Mean creatinine and urea nitrogen clearances were also greater with EXTRANEAL (Figure1).
Figure 1 - Mean Net Ultrafiltration, Mean Creatinine and Urea Nitrogen Clearance for the Overnight Dwell
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In another study of 39 APD patients randomized to EXTRANEAL or 2.5% dextrose solution for the long, daytime dwell (10-17 hours) for three months, the net ultrafiltration reported during the treatment period was (mean ± SD) 278 ± 192 mL for the EXTRANEAL group and -138 ± 352 mL for the dextrose group (p<0.001). Mean creatinine and urea nitrogen clearances were significantly greater for EXTRANEAL than 2.5% dextrose at weeks 6 and 12 (p<0.001).
In a six-month study in CAPD patients comparing EXTRANEAL (n=28) with 4.25% dextrose (n=31), net ultrafiltration achieved during an 8-hour dwell averaged 510 mL for EXTRANEAL and 556 mL for 4.25% dextrose. For 12-hour dwells, net ultrafiltration averaged 575 mL for EXTRANEAL (n=29) and 476 mL for 4.25% dextrose (n=31). There was no significant difference between the two groups with respect to ultrafiltration.
In a two week study in high average/high transporter APD patients (4-hour D/P creatinine ratio >0.70 and a 4-hour D/D0 ratio <0.34, as defined by the peritoneal equilibration test (PET)), comparing EXTRANEAL (n=47) to 4.25% dextrose (n=45), after adjusting for baseline, the mean net ultrafiltration achieved during a 14 ± 2 hour dwell was significantly greater in the EXTRANEAL group than the 4.25% dextrose group at weeks 1 and 2 (p<0.001, see Figure 2). Consistent with increases in net ultrafiltration, there were also significantly greater creatinine and urea nitrogen clearances and ultrafiltration efficiency in the EXTRANEAL group (p<0.001, see Figure 2).
Figure 2 – Mean Net Ultrafiltration, Creatinine and Urea Nitrogen Clearances and Ultrafiltration Efficiency for the Long Dwell in High Average/High Transporter Patients
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After one year of treatment with EXTRANEAL during the long dwell exchange, there were no differences in membrane transport characteristics for urea and creatinine. The mass transfer area coefficients (MTAC) for urea, creatinine, and glucose at one year were not different in patients receiving treatment with EXTRANEAL or 2.5% dextrose solution for the long dwell.
Inform patients of the following:
Because patients self-administer EXTRANEAL at home, patients should also be instructed to:
