NORMOCARB™ 25 Sterile Bicarbonate Renal Dialysis Concentrate, after dilution, is indicated for use in Continuous Renal Replacement Therapy (CRRT).
Device Story
NORMOCARB™ 25 is a sterile, apyrogenic, calcium-free bicarbonate renal dialysis concentrate. Provided in 240 ml single-use glass vials; diluted with sterile water to create dialysate for Continuous Renal Replacement Therapy (CRRT). Used in intensive care settings for critically ill patients with renal failure, hemodynamic instability, or liver impairment. Bicarbonate-based formulation manages acid-base balance, fluid balance, and electrolyte levels. Lower bicarbonate concentration (25 mEq/L) compared to predicate (35 mEq/L) intended for patients requiring lower bicarbonate levels after initial 24 hours of treatment. Sterile, pyrogen-free nature reduces contamination risk in vulnerable ICU patients. Clinicians prepare dialysate via single-step dilution; output used in standard CRRT equipment to support renal function.
Clinical Evidence
No clinical data provided. Substantial equivalence is based on chemical composition, physical properties, and established safety of the predicate device.
Technological Characteristics
Sterile, apyrogenic, calcium-free bicarbonate concentrate. Packaged in 240 mL clear glass serum vials with elastomeric stoppers and aluminum crimp caps. Diluted with sterile water. Composition: Sodium 140.0 mEq/L, Magnesium 1.5 mEq/L, Chloride 116.5 mEq/L, Bicarbonate 25.0 mEq/L. Meets USP standards for raw materials.
Indications for Use
Indicated for Continuous Renal Replacement Therapy (CRRT) in critically ill patients with renal failure, including those in intensive care who are hemodynamically unstable or have impaired liver function.
Regulatory Classification
Identification
A hemodialysis system and accessories is a device that is used as an artificial kidney system for the treatment of patients with renal failure or toxemic conditions and that consists of an extracorporeal blood system, a conventional dialyzer, a dialysate delivery system, and accessories. Blood from a patient flows through the tubing of the extracorporeal blood system and accessories to the blood compartment of the dialyzer, then returns through further tubing of the extracorporeal blood system to the patient. The dialyzer has two compartments that are separated by a semipermeable membrane. While the blood is in the blood compartment, undesirable substances in the blood pass through the semipermeable membrane into the dialysate in the dialysate compartment. The dialysate delivery system controls and monitors the dialysate circulating through the dialysate compartment of the dialyzer.(1) The extracorporeal blood system and accessories consists of tubing, pumps, pressure monitors, air foam or bubble detectors, and alarms to keep blood moving safely from the blood access device and accessories for hemodialysis (§ 876.5540) to the blood compartment of the dialyzer and back to the patient. (2) The conventional dialyzer allows a transfer of water and solutes between the blood and the dialysate through the semipermeable membrane. The semipermeable membrane of the conventional dialyzer has a sufficiently low permeability to water that an ultrafiltration controller is not required to prevent excessive loss of water from the patient's blood. This conventional dialyzer does not include hemodialyzers with the disposable inserts (Kiil type) (§ 876.5830) or dialyzers of high permeability (§ 876.5860). (3) The dialysate delivery system consists of mechanisms that monitor and control the temperature, conductivity, flow rate, and pressure of the dialysate and circulates dialysate through the dialysate compartment of the dialyzer. The dialysate delivery system includes the dialysate concentrate for hemodialysis (liquid or powder) and alarms to indicate abnormal dialysate conditions. This dialysate delivery system does not include the sorbent regenerated dialysate delivery system for hemodialysis (§ 876.5600), the dialysate delivery system of the peritoneal dialysis system and accessories (§ 876.5630), or the controlled dialysate delivery system of the high permeability hemodialysis system § 876.5860). (4) Remote accessories to the hemodialysis system include the unpowered dialysis chair without a scale, the powered dialysis chair without a scale, the dialyzer holder set, dialysis tie gun and ties, and hemodialysis start/stop tray.
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K050027 Page 1 of 6
AUG 2 2 2005 Apotex Corp. Lincolnshire, Illinois Lincoinshire, tiumois
510(k) Notification for NoRMOCARB™ 25 (Sterile Bicarbonate Renal Dialysis Concentrate)
SECTION VI
## 510(k) SUMMARY
# NORMOCARB™ 25 Sterile Bicarbonate Renal Dialysis Concentrate
Image /page/0/Picture/5 description: The image shows a logo for Dialysis Solutions Inc. The logo features the letters "DSI" in a stylized, interconnected design. The words "DIALYSIS SOLUTIONS INC." are printed in a smaller, sans-serif font below the letters.
# 380 Elgin Mills Road East Richmond Hill, Ontario Canada L4C 5H2
Contact: Telephone: FAX:
Marcy Macdonald 847-279-7740 847-363-2982
March 30, 2005
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K050827 Page 2 of 6
Apotex Corp. Lincolnshire, Illinois Lincolnshire, filinois
510(k) Notification for NORMOCARB™ 25 (Sterile Bicarbonate Renal Dialysis Concentrate)
SECTION VI
### 510(k) Summary
## NORMOCARB™ 25 Sterile Bicarbonate Renal Dialysis Concentrate
#### NAME OF DEVICE
| Trade or Proprietary Name: | NORMOCARB <sup>TM</sup> 25<br>(Sterile Bicarbonate Renal Dialysis Concentrate) |
|----------------------------|--------------------------------------------------------------------------------------------------------------|
| Classification Name: | Hemodialysis Systems and Accessories<br>(dialysate concentrate for hemodialysis),<br>as per 21 CFR 876.5820. |
## Legally Marketed Device For Claim of Substantial Equivalence: NORMOCARBIM 35
### DESCRIPTION AND INTENDED USE
NORMOCARB™ 25 is a clear, sterile, apyrogenic, calcium-free bicarbonate renal dialysis concentrate provided in 240 ml unit-dose vials which, when diluted with water in the required proportions, creates a dialysis solution or dialysate for use in hemodialysis.
Once prepared, the dialysate is indicated for use in Continuous Renal Replacement Therapy (CRRT), which is a dialysis continued 24 hours a day to treat critically ill patients with renal failure. CRRT is usually administered to patients in intensive care who require dialysis and are hemodynamically unstable, or whose liver function is either impaired or at risk of impairment. Patients with liver impairment typically are more challenging to manage and may have high requirements for bicarbonate due to ongoing lactic acidosis. The use of lactate-based solutions for dialysis may not correct metabolic acidosis if the liver cannot metabolize more lactate into bicarbonate. The bicarbonatefree, lactate-containing dialysis solution will actually remove some bicarbonate from the In addition to a bicarbonate-based dialysis solution, patients with liver patient. impairment and/or severe metabolic acidosis may require additional intravenous infusions of bicarbonate to maintain their pH within acceptable parameters.
The aims of CRRT are control of fluid balance, control of plasma electrolytes, control of acid-base balance and removal of products of metabolism.
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K050827
Page 3 of 6
#### SECTION VI
### SUBSTANTIAL EQUIVALENCE
Dialysis Solutions Inc. (DSI) currently markets NORMOCARB™ 35 mEq/L in the United Dialysis boutions file. (DB) Carl Replacement Therapy which is a dialysis continued 24 Diales for as a day. However, after the first 24 hours this concentrate becomes too much for these patients; and therefore DSI is seeking to add an additional strength of 25 mEq/L.
#### 1) Summary Table
table summarizes the similarities and differences between The following 25 mEq/L and 35 mEq/L Sterile Bicarbonate Renal Dialysis NORMOCARB™ Concentrates.
| Product<br>Characteristic | (Currently Approved 6/30/00)<br>NormocarbTM 35 | PROPOSED<br>NORMOCARBTM 25 |
|---------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------|
| Intended Use: | Dialysate concentrate for use in hemodialysis. | |
| Raw Materials: | All raw materials are tested to, and meet, USP standards. | |
| Components and<br>Composition<br>(Diluted): | Sodium: 140.0 mEq/L<br>Magnesium: 1.5 mEq/L<br>Chloride: 106.5 mEq/L<br>Bicarbonate: 35.0 mEq/L | Sodium: 140.0 mEq/L<br>Magnesium: 1.5 mEq/L<br>Chloride: 116.5 mEq/L<br>Bicarbonate: 25.0 mEq/L |
| Sterility: | NORMOCARBTM is manufactured as a sterile, pyrogen-free product. | |
| Container/<br>Closure: | The complete bicarbonate concentrate is packaged in clear, glass serum<br>vials, closed with an elastomeric serum stopper and sealed with an<br>aluminum crimp cap with a polypropylene cover. | |
| Diluent: | Sterile water - exceeds AAMI standards. | |
#### 2) Discussion
#### Intended Use:
Both Normocard TM 25 and Normocare™ 35 are bicarbonate-based dialysate concentrates for hemodialysis, as per 21 CFR 876.5820 Hemodialysis Systems and Accessories. Both products, when diluted, create a dialysate solution for use in renal dialysis therapy for the removal or delivery of compounds or electrolytes that the failing kidney cannot excrete or retain in the proper concentrations.
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K050827 Page 4 of 6
#### SECTION VI
## SUBSTANTIAL EQUIVALENCE (Continued)
#### 2) Discussion (Continued)
#### Intended Use: (Continued)
Both products are intended for use in Continuous Renal Replacement Therapy (CRRT), which is a dialysis continued 24 hours a day to treat critically ill patients in (CAXT), willen is a charger following demonstrates the suitability of NORMOCARBTM 25 for the intensive care setting.
#### Components and Composition:
The raw materials of both NORMOCARB™ 25 and NORMOCARB™ 35 are tested to USP standards.
The diluted compositions of NORMOCARB™ 25 and NORMOCARB™ 35 are very similar, as demonstrated in the table on the previous page. The two products contain the same components, in comparable concentrations, with the exception of a slightly high level of chloride (116.5 mEq/L) and the lower level of bicarbonate (25.0 mEq/L) in the NORMOCARBTM 25 concentration.
The chloride level is slightly increased in order to maintain the same total concentration of anions and cations (mEq/L) in the reconstituted product. This increase in chloride is obtained by increasing the concentration of sodium chloride in NORMOCARB The 35 by 7.89 gL yielding a concentration of 0.726% w/v when reconstituted. Although this component is slightly increased, it is still below the maximum potency (0.8%) allowed for extracorporeal solutions in CDER's Inactive Ingredients Database thus safety of this slight increase is confirmed.
The bicarbonate levels are decreased to provide an additional lower strength of 25 mEq/L for CRRT patients, given that after the first 24 hours of treatment, the 35 mEq/L concentrate becomes too much for these patients. As this bicarbonate level is below that seen for NORMOCARBTM 35, any toxicity concerns of the component itself should be alleviated.
Normocare™ 25, like NormoCARB™ 35, is available as a complete concentrate containing all components, including the bicarbonate. The dialysate is prepared in a single-step process of dilution using 240 mL of NORMOCARB™ concentrate with 3 liters of sterile water to make 3.24 liters of dialysate.
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Ko 50827 Page 50
#### SECTION VI
## SUBSTANTIAL EQUIVALENCE (Continued)
#### 2) Discussion (Continued)
#### Sterility:
Both NORMOCARB™ 25 and NORMOCARB™ 35 are sterile and pyrogen-free. While Don't North Can cross the dialysis membrane into blood, pyrogens can. Relatively stable patients in the chronic dialysis unit do not develop a severe reaction to small amounts of pyrogens, although there is more and more literature calling for very pure, and even sterile, solutions. A critically ill patient in the ICU setting, however, can be adversely affected by pyrogens and it is necessary to avoid the risk of pyrogens altogether in this setting. If a solution is not completely sterile there is a risk of release of pyrogens. There is certain benefit to using a sterile dialysate, in particular for critically ill patients receiving dialysis treatment.
#### Container/Closure:
NORMOCARB™ 25 uses the same container/closure system as NORMOCARB™ 35. Both products are packaged in depyrogenated 240 mL clear glass serum vials, which are sealed with steam-sterilized gray, elastomeric serum stoppers and aluminum crimp caps with royal blue polypropylene covers.
A number of factors led to the use of 240 mL glass vials for the containment of NORMOCARBTM. First and foremost, glass is well known for its inert and non-reactive NorthocARD - Privitation between the NORMOCARB™ concentrate and the glass vial, which could lead to the formation of undesired material in the product, is unlikely. This type of reactivity is more likely to occur with the use of plastic containers and, in addition, materials from the plastic itself can leach into the product. Glass is also much more effective than plastic as a barrier to adhesives and inks from labeling attached to, or printed on, the container.
Lastly, both products are available in a single-use quantity of 240 mL and is, therefore, less susceptible to product contamination than concentrates available in bulk, multi-use quantities.
#### Diluent:
Both NORMOCARB The 25 and NORMOCARB™ 35 labeling instructs the user to dilute the concentrate using sterile water, a higher quality water than purified water or AAMI standard equivalent, in order to maintain the sterile quality of the NORMOCARB TM concentrate.
{5}------------------------------------------------
K050827
Apotex Corp. LincoInshire, Illinois Liticomshire, Inthols
510(k) Notification for NORMOCARB™ 25 (Sterile Bicarbonate Renal Dialysis Concentrate)
#### SECTION VI
### SUBSTANTIAL EQUIVALENCE (Continued)
#### 3) Conclusions
NORMOCARB™ 25 and NORMOCARB™ 35 are both bicarbonate renal dialysis concentrates with the same intended use and are very similar in composition (diluted). These similarities demonstrate the substantial equivalence of NORMOCARB™ 25 to NORMOCARB™ 35.
NORMOCARB™ 25 has a lower concentration of bicarbonate ions than NORMOCARB™ 35 while maintaining a concentration of anions and cations (mEq/L) that are equivalent to those in the approved formulation and that remain below the maximum potency allowed for extracorporeal solutions. This provides a lower strength formulation for the CRRT patient, which is as safe and effective as the approved formulation.
In addition, NORMOCARB™ 25 is manufactured as a sterile, pyrogen-free concentrate packaged in 240 mL single-use glass vials. The sterile quality of the product, the nature of the packaging materials, and the single-use fill volume (240 mL) provide for low risk of product contamination.
NORMOCARB™ 25 is available as a complete concentrate, including the bicarbonate, which requires only a single step of dilution with sterile water for preparation of the Willion requires only a convenience factors make NORMOCARB™ 25 ideally suited for its intended use for CRRT in the intensive care setting.
{6}------------------------------------------------
Image /page/6/Picture/12 description: The image shows a logo with a stylized bird figure. The bird is depicted with three curved lines forming its body and wings. The logo is surrounded by text that reads 'DEPARTMENT & HUMAN SERVICES' in a circular arrangement. The text is in a sans-serif font and is oriented to follow the curve of the circle.
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
## AUG 2 2 2005
Dialysis Solutions, Incorporated c/o Mr. Kalpesh Shroff Apotex Corporation Project Leader - Regulatory Affairs 616 Heathrow Drive LINCOLNSHIRE IL 60069
Re: K050827
Koooz?
Trade/Device Name: Normocarb™ 25 (Sterile Bicarbonate Renal Dialysis Concentrate) Regulation Number: 21 CFR §876.5820 Regulation Name: Hemodialysis system and accessories Regulatory Class: II Product Code: KPO Dated: July 20, 2005 ﺮ ﺍﻹ Received: July 21, 2005
Dear Mr. Shroff:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (Premarket Approval), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the r odoral bateres ats including, but not limited to registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
{7}------------------------------------------------
This letter will allow you to begin marketing your device as described in your Section 510(k) This letter will anow you to begin hanceling your device of your device of your device to a legally premarket notification. The FDA Indusg of substantial of your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), pleased If you desire specific advice for your device on our labeling organisation in the regulation number at the top of this letter:
| 21 CFR 876.xxxx | (Gastroenterology/Renal/Urology) | 240-276-0115 |
|-----------------|----------------------------------|--------------|
| 21 CFR 884.xxxx | (Obstetrics/Gynecology) | 240-276-0115 |
| 21 CFR 892.xxxx | (Radiology) | 240-276-0120 |
| Other | | 240-276-0100 |
Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR 1 Also, please note the regulation entitled, "thisornial on your responsibilities under the Act from the 807.97). You may obtain other general international and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its Internet address http://www.fda.gov/cdrh/industry/support/index.html.
Sincerely yours,
Nancy C. Brogdon
Nancy C. Brogdon Director, Division of Reproductive, Abdominal, and Radiological Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
{8}------------------------------------------------
# Indications for Use
510(k) Number (if known): K050827
Device Name: _ Normocare™ 25 (Sterile Bicarbonate Renal Dialysis Concentrate) Indications for Use:
NORMOCARB 104 25 Sterile Bicarbonate Renal Dialysis Concentrate, after dilution, is NORMOCARB - 25 Sterne BRatocazes (call. Brayon ent Therapy (CRRT).
Over-The-Counter Use Prescription Use X AND/OR (21 CFR 801 Subpart C) (Part 21 CFR 801 Subpart D) (PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE OF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Page __ of ___________________________________________________________________________________________________________________________________________________________________
(Posted November 13, 2003)
David A. Segerson
(Division Sign-Off) Division of Reproductive, Abdominal, and Radiological Devices 510(k) Number
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Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.