These highlights do not include all the information needed to use TISSEEL safely and effectively. See full prescribing information for TISSEEL.TISSEEL [Fibrin Sealant] For Topical Use OnlyFrozen solution and lyophilized powder for solution for topical use onlyInitial U.S. Approval: 1998
1 INDICATIONS AND USAGE
Hemostasis: TISSEEL is a fibrin sealant indicated for use as an adjunct to hemostasis in adult and pediatric patients (>1 month of age) undergoing surgery when control of bleeding by conventional surgical techniques (such as suture, ligature, and cautery) is ineffective or impractical. TISSEEL is effective in heparinized patients.
Sealing: TISSEEL is a fibrin sealant indicated as an adjunct to standard surgical techniques (such as suture and ligature) to prevent leakage from colonic anastomoses following the reversal of temporary colostomies.
2 DOSAGE AND ADMINISTRATION
FOR TOPICAL USE ONLY – DO NOT INJECT
Vials and pre-filled syringes are for single-patient use only. Discard any unused product.
2.1 Preparation of TISSEEL Kit (Freeze-Dried)
Do not expose to temperature above 37ºCDo not microwaveDo not refrigerate or freeze after reconstitution
Do not use iodine or heavy metal containing preparations such as betadine for disinfection of vial stoppers. Allow alcohol-based disinfectants to evaporate before puncturing stopper.
Use separate syringes and transfer devices for reconstituting Sealer Protein and Thrombin solutions and for application to prevent clotting.
The product must be used within 4 hours after reconstitution.
Freeze-dried Sealer Protein Concentrate and Thrombin are reconstituted in Fibrinolysis Inhibitor Solution and Calcium Chloride Solution, respectively. The Sealer Protein Solution and Thrombin Solution are then combined using the DUPLOJECT Preparation and Application System, or an equivalent delivery device cleared by FDA for use with TISSEEL, to form the Fibrin Sealant.
Pre-warming TISSEEL Kit with FIBRINOTHERM deviceSee FIBRINOTHERM device manual for complete operating instructions. If a FIBRINOTHERM device is not available, contact Baxter (1-800-229-0001) for assistance.
Preparation of Sealer Protein Solution with FIBRINOTHERM device
Notes:
Preparation of Thrombin Solution with FIBRINOTHERM device
To reconstitute the Thrombin (Human) with the Calcium Chloride Solution; follow steps 1-3 under Preparation of Sealer Protein with FIBRINOTHERM deviceutilizing the Thrombin and Calcium Chloride vials.
Transferring to the Sterile Field
For transfer of the Sealer Protein and Thrombin Solutions to the sterile field, the circulating nurse should disinfect the tops of the vials with a germicidal solution and allow to dry. The scrub nurse should withdraw the sterile solutions while the circulating nurse holds the non-sterile vials. Slowly withdraw the solution, by firm constant aspiration, to reduce the risk of large air bubbles.
- 1.Place all four vials from the TISSEEL Kit into the pre-warmed wells of the FIBRINOTHERM device, using the appropriately sized adapter ring(s), and allow the vials to warm for up to 5 minutes (room temperature product will take less time).
2.2 Preparation of TISSEEL Pre-Filled Syringe (Frozen)
Do not expose to temperature above 37˚C Do not microwave.Do not refrigerate or re-freeze after thawing.Do not use TISSEEL (frozen) until it is completely thawed and warmed (liquid consistency) to 33-37oC. Do not remove the protective syringe cap until use.
AST Syringe – The plunger rod must be inserted into the syringe barrel (see ). PRIMA Syringe – The plunger is already assembled with the syringe barrel (see Figure 2).
Sterile Water Bath (Quick Thawing): Transfer inner pouch to the sterile field, remove pre-filled syringe from inner pouch and place directly into sterile water bath ensuring the syringe is completely immersed in the water. Maintain the product at 33-37°C until use. Once the package is opened or the product is warmed to 33-37°C, it must be used within 4 hours.
Non-Sterile Water Bath: Maintain the pre-filled syringe in pouches and place into a water bath outside the sterile field ensuring the pouches remain submerged. Remove from the water bath after thawing and warming, dry the external pouch and transfer inner pouch with pre-filled syringe onto the sterile field. Maintain the product at 33-37°C until use. Once the package is opened or the product is warmed to 33-37°C, it must be used within 4 hours.
Incubator: Maintain the pre-filled syringe in pouches and place into an incubator. Remove from the incubator after thawing and warming. Transfer inner pouch with pre-filled syringe onto the sterile field. Maintain the product at 33-37°C until use. Once the package is opened or the product is warmed to 33-37°C, it must be used within 4 hours.
Room Temperature Thawing: Unopened pouches can be stored for up to 48 hours at room temperature (15-25°C). Before use, warm the product to 33-37°C and apply immediately. The total thawing and warming time cannot exceed 48 hours.
| Pack Size | Sterile Water Bath (Pouches Removed)33 - 37°C | Non-Sterile Water Bath(In Pouches)33 - 37°C | Incubator(In Pouches)33 - 37°C | |||
| PRIMA Syringe | AST Syringe | PRIMA Syringe | AST Syringe | PRIMA Syringe | AST Syringe | |
| 2 mL | 5 minutes | 5 minutes | 15 minutes | 30 minutes | 40 minutes | 40 minutes |
| 4 mL | 5 minutes | 5 minutes | 20 minutes | 40 minutes | 50 minutes | 85 minutes |
| 10 mL | 10 minutes | 12 minutes | 35 minutes | 80 minutes | 90 minutes | 105 minutes |
| Pack Size | Room Temperature(In Pouches)15 – 25oC | |
| PRIMA Syringe | AST Syringe | |
| 2 mL | 80 minutes | 60 minutes |
| 4 mL | 90 minutes | 110 minutes |
| 10 mL | 160 minutes | 160 minutes |
| Pack Size | Sterile Water Bath(Pouches Removed)33 – 37°C | Non-Sterile Water Bath(In Pouches)33 – 37°C | Incubator(In Pouches)33 – 37°C | |||
| PRIMA Syringe | AST Syringe | PRIMA Syringe | AST Syringe | PRIMA Syringe | AST Syringe | |
| 2 mL | 2 minutes | 2 minutes | 5 minutes | 16 minutes | 16 minutes | 20 minutes |
| 4 mL | 2 minutes | 2 minutes | 8 minutes | 21 minutes | 21 minutes | 43 minutes |
| 10 mL | 4 minutes | 6 minutes | 12 minutes | 43 minutes | 35 minutes | 52 minutes |
2.3 Method of Application
TISSEEL Kit (Freeze-Dried)
Apply TISSEEL using the DUPLOJECT Fibrin Sealant Preparation and Application System or an equivalent delivery system (including open and minimally invasive spray devices) cleared by FDA for use with TISSEEL. Specific instructions for the use of TISSEEL in conjunction with each cleared delivery device are provided with the device.
TISSEEL Pre-filled Syringe Frozen
Apply pre-filled TISSEEL using the joining piece and application cannula accessory devices provided with the product or an equivalent delivery device (including open and minimally invasive spray devices) cleared by the FDA for use with TISSEEL.
DUO Set (AST Syringe) Instructions (see ):
DUPLOJECT COMBI (PRIMA Syringe) Instructions (see )
TISSEEL must be sprayed only onto application sites that are visible. Dry the site of application as much as possible. The surface area of the wound needs to be dried using standard techniques (e.g. intermittent application of compresses, swabs, use of suction devices). Do not use pressurized air or gas to dry the site.
When applying TISSEEL using a spray device, utilize the recommended gas, pressure and distance from tissue within the ranges recommended by the manufacturer as follows:
Apply TISSEEL as a thin layer by dripping or spraying using a cannula or spray set approved for use with TISSEEL. To reduce the risk of potentially life-threatening gas embolism, spray TISSEEL using only the appropriate pressurized gas within the pressure range and distance recommended in the device Instructions For Use (see Warnings and Precautions (5.2)). The treating physician will determine the amount of TISSEEL to be applied based on the surface to be covered. Ensure that the amount applied is sufficient to entirely cover the intended application area. The approximate surface areas covered by each package size of TISSEEL are listed in Table 5:
Avoid application beyond the intended area. Allow at least 2 minutes after application to achieve sufficient polymerization. If repeat application is needed, dry the site as much as possible before reapplying. Reapply after removing residues from the prior application or before polymerization takes place since TISSEEL may not adhere firmly to a polymerized layer.
In cases where very small volumes (1-2 drops) are required, expel and discard the first several drops from the application cannula immediately before application to ensure administration of adequately mixed TISSEEL.
| Surgery | Spray set / Applicator tips to use | Pressure regulator to use | Gas | Distance | Spray Pressure |
| Open surgery | TISSEEL /ARTISSSpray Set | EASY SPRAYPressure Regulator | Medical grade CO2Medical grade CO2 is the preferred gas for application, however compressed Air or Nitrogen are acceptable gasses for administration of TISSEEL in open surgery., CompressedAir or Nitrogen | 10-15 cm | 1.5-2.0 bar(21.8-29.0 psi) |
| Laparoscopic/ minimally invasive procedures | DUPLOSPRAY MIS Applicator 20 cm | DUPLOSPRAYMIS Regulator | CO2 Only | Range 2-5 cm3 cm recommended | 1.18-1.50 bar(17-22 psi) |
| DUPLOSPRAY MIS Applicator 30 cm | |||||
| DUPLOSPRAY MIS Applicator 40 cm | |||||
| 360º FlexibleApplicator 40 cm | |||||
| Replaceable tip | |||||
| Required package size ofTISSEEL | Maximum coverage using spray | Maximum coverage using cannula |
| 2 mL4 mL10 mL | 100 cm2200 cm2500 cm2 | 8 cm216 cm240 cm2 |
- 1.Insert plunger into syringe barrel.
- 2.Remove all air from the double chamber syringe.
- 3.Firmly connect the two syringe nozzles to the joining piece (Y-connector) and secure it by fastening the tether strap to the syringe.
- 4.Fit an application cannula to the joining piece. Apply by depressing plunger.
3 DOSAGE FORMS AND STRENGTHS
TISSEEL Kit (Freeze-Dried) is supplied as 2 mL, 4 mL and 10 mL (total volume) pack sizes with and without the DUPLOJECT Fibrin Sealant Preparation and Application System. TISSEEL Pre-Filled Syringe (Frozen) is supplied as 2 mL, 4 mL and 10 mL (total volume) pack sizes with the DUO Set (AST Syringe) or DUPLOJECT COMBI (PRIMA Syringe).
4 CONTRAINDICATIONS
4.1 Intravascular Application
Do not inject TISSEEL directly into the circulatory system or into highly vascularized tissue. Intravascular application of TISSEEL can lead to intravascular coagulation, can result in life-threatening thromboembolic events, and can increase the likelihood and severity of acute hypersensitivity reactions in susceptible patients (see Warnings and Precautions (5.3) and Adverse Reactions (6.2)).
4.2 Aprotinin Hypersensitivity
Do not use TISSEEL in individuals with a known hypersensitivity to aprotinin (see Warnings and Precautions (5.1) and Adverse Reactions (6)).
4.3 Severe or Brisk Bleeding
Do not use TISSEEL for treatment of severe or brisk arterial or venous bleeding. In these situations, TISSEEL will be washed away in the flow of blood before hemostasis can be attained.
4.4 Application below minimum recommended distance from target site
Do not spray TISSEEL where the minimum recommended distance from the applicator tip to the target site cannot be assured.
5 WARNINGS AND PRECAUTIONS
5.1 Hypersensitivity Reactions
Hypersensitivity reactions including allergic/and anaphylactoid reactions can occur with the use of TISSEEL. Cases have been reported in post marketing experience with Baxter’s fibrin sealant (see Adverse Reactions (6.2)). In specific cases, these reactions have progressed to severe anaphylaxis. Such reactions may especially be seen if TISSEEL is applied repeatedly over time or in the same setting, or if systemic aprotinin has been administered previously. Even if the first treatment was well tolerated, this may not exclude the occurrence of an allergic reaction after a subsequent administration of TISSEEL or systemic aprotinin. Observed symptoms of allergic anaphylactic reactions to TISSEEL have included: bradycardia, tachycardia, hypotension, flushing, bronchospasm, wheezing, dyspnea, nausea, urticaria, angioedema, pruritus, erythema and paresthesia. Such reactions can also occur in patients receiving TISSEEL for the first time.
Aprotinin is included in TISSEEL for its antifibrinolytic properties. Aprotinin, a protein, is known to be associated with anaphylactic reactions. Even in the case of strict local application of aprotinin, there is a risk of anaphylactic reactions to aprotinin, particularly in the case of previous exposure (see Contraindications (4.2)). TISSEEL does not contain any substances of bovine origin.
Discontinue administration of TISSEEL in the event of hypersensitivity reactions. Mild reactions can be managed with antihistamines. Severe hypotensive reactions require immediate intervention using current principles of shock therapy. Remove remaining product from the application site.
5.2 Application Precautions
Any application of pressurized air or gas is associated with a potential risk of air or gas embolism, tissue rupture, or gas entrapment with compression, which may be life a threatening or fatal.
Life threatening/fatal air or gas embolism has occurred when Fibrin Sealants were administered using pressurized gas with open regulator spray devices. This can occur if a spray device is used at higher than recommended pressures and in closer than recommended proximity to the tissue surface. The solubility of compressed CO2 is greater than either compressed N2 or Air thereby reducing the potential effect of embolization.
Regardless of the type of gas used, to reduce the incidence of embolization, spray TISSEEL using only the recommended regulator, set within the recommended pressure range, with the appropriate applicator positioned at the recommended distance in .
Monitor changes in blood pressure, pulse, oxygen saturation and endtidal CO2 due to the possibility of air or gas embolism.
Use only spray catheters or applicators approved for use with TISSEEL.
TISSEEL must not be sprayed in enclosed body areas using the EASYSPRAY device and must be sprayed onto only visible application sites.
For Open Surgical procedures, use the EASYSPRAY Pressure Regulator connected to medical grade CO2, compressed Air or a Nitrogen compressed gas source along with the TISSEEL/ARTISS spray set, (see Method of Application (2.3)).
For Minimally Invasive Surgery proceduresin enclosed body areas use of the DUPLOSPRAY MIS device connected only to compressed CO2, along with DUPLOSPRAY applicator is recommended. The DUPLOSPRAY MIS device is specifically designed to prevent over pressurization of the body cavity through a dedicated ventline to reduce the risk of gas embolization, (see Method of Application (2.3)).
The sealer protein and thrombin solutions are denatured by alcohol, iodine or heavy metal ions. If any of these substances have been used to clean the wound area, the area must be thoroughly rinsed before the application of TISSEEL.
Apply TISSEEL as a thin layer as excess clot thickness can negatively interfere with wound healing.
5.3 Use in Surgery
When using TISSEEL in surgery, do not inject intravascularly (see Contraindications (4.1) and Adverse Reactions (6.2)).
5.4 Use in Neurosurgical Procedures
The safety and effectiveness of TISSEEL used alone or in combination with biocompatible carriers in neurosurgical procedures or other surgeries involving confined spaces have not been evaluated, and its use in this setting is not approved by FDA (see Adverse Reactions (6.2) and Drug Interactions (7)).
5.5 Infection Risk from Human Plasma
TISSEEL is made from human plasma. Because this product is made from human blood, it may carry a risk of transmitting infectious agents, e.g., viruses, the variant Creutzfeldt-Jakob disease (vCJD) agent and, theoretically the Creutzfeldt-Jakob disease (CJD) agent.
All infections thought by a physician possibly to have been transmitted by this product should be reported by the physician or other healthcare provider to Baxter Healthcare Corporation at 1-888-229-0001.
6 ADVERSE REACTIONS
6.1 Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Increased D-Dimer levels have been observed during a clinical study in cardiovascular surgery (see Clinical Studies (14)), but did not exceed values reported in the literature occurring after this type of surgery. Postoperatively increased D-Dimers can result at least partly from the degradation of Fibrin Sealant.
There were no reports of serious, associated adverse reactions reported above 1% in clinical studies.
6.2 Post-Marketing Experience
Because adverse reactions are reported voluntarily and the population is of uncertain size, it is not always possible to reliably estimate the frequency of these reactions.
The following adverse reactions have been reported in the post-marketing experience.
Immune System Disorders: Hypersensitivity, including anaphylactic reaction and anaphylactic shock. Anaphylactic reactions and anaphylactic shock have included fatal outcomes.Vascular Disorders:Hypotension, flushing, embolism, including cerebral artery embolism, cerebral infarction*, air embolism**Skin and subcutaneous Tissue Disorders:Angioedema, erythema, impaired healing, pruritus, urticariaCardiac Disorders:Bradycardia, tachycardiaRespiratory Disorders: Bronchospasm, dyspnea, wheezing Gastrointestinal Disorders:NauseaNervous System Disorders:Paresthesia* as a result of intravascular application into the superior petrosal sinus** As with other fibrin sealants life-threatening/fatal air or gas embolism when using devices with pressurized air or gas occurred; this event appears to be related to an inappropriate use of the spray device (e.g. at higher than recommended pressure and in close proximity to the tissue surface),
Class effect: Manifestations of hypersensitivity or allergic reactions associated with the class of fibrin sealant/hemostatic products include: application site irritation, chest discomfort, chills, headache, lethargy, restlessness and vomiting.
There have been reports of serious adverse events such as paralysis and other compressive complications possibly related to the use of fibrin sealants in combination with resorbable hemostatic agents. There have also been reports of fatalities following the misadministration of topical thrombin (see Warnings and Precautions (5.4)).
7 DRUG INTERACTIONS
Oxidized cellulose-containing preparations can reduce the efficacy of TISSEEL and should not be used as carrier materials. No interaction studies have been performed.
8 USE IN SPECIFIC POPULATIONS
8.1 Pregnancy
Risk Summary
There are no direct or controlled studies of TISSEEL in pregnant women. No animal reproductive and developmental toxicity studies have been conducted with TISSEEL. It is also not known whether TISSEEL can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Some viruses, such as parvovirus B19, are particularly difficult to remove or inactivate. Parvovirus B19 most seriously affects pregnant women (fetal infection). In the United States 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.
8.2 Lactation
Risk Summary
There is no information regarding the presence of TISSEEL in human milk, the effects on the breastfed infant, or the effects on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for TISSEEL and any potential adverse effects on the breastfed infant from TISSEEL or from underlying maternal condition.
8.4 Pediatric Use
Limited clinical study data are available with regard to the use of TISSEEL in children. Of 365 patients undergoing repeated cardiac surgery or emergency resternotomy in a clinical trial of TISSEEL, 27 pediatric patients aged 16 years or younger were treated with TISSEEL. Of these, 2 patients were less than 6 months, 2 patients were between the ages of 6 months and 2 years, 15 patients were between 3-11 years of age, and 8 patients were between 12-16 years of age. There were no differences in safety observed between these subjects and the overall population. (seeClinical Studies (14)).
8.5 Geriatric Use
Clinical studies included 218 patients aged 65 years of age or older treated with TISSEEL (159 undergoing cardiac surgery and 59 undergoing vascular surgery) (see Clinical Studies (14)). No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.
11 DESCRIPTION
TISSEEL [Fibrin Sealant] is a two-component fibrin sealant made from pooled human plasma. When combined, the two components, Sealer Protein and Thrombin mimic the final stage of the blood coagulation cascade.
Sealer Protein (Human)Sealer Protein (Human) is a sterile, non-pyrogenic, vapor heated and solvent/detergent treated preparation made from pooled human plasma. Sealer Protein (Human) is provided either as a freeze-dried powder for reconstitution with Aprotinin or as a finished frozen solution pre-filled into one side of a dual-chambered syringe. The active ingredient in Sealer Protein (Human) is fibrinogen. Sealer Protein (Human) solution contains fibrinolysis inhibitor, synthetic Aprotinin, that delays fibrinolysis. Aprotinin (Synthetic) is manufactured by solid phase synthesis from materials completely of non-human/non-animal origin.
Thrombin (Human)Thrombin (Human) is a sterile, non-pyrogenic, vapor heated and solvent/detergent treated preparation made from pooled human plasma. Thrombin (Human) is also provided either as a freeze-dried powder for reconstitution with Calcium Chloride Solution or as a finished frozen solution pre-filled into one side of a dual-chambered syringe.
Viral ClearanceTISSEEL is made from pooled human plasma collected at US licensed collection centers. The vapor heat and solvent/detergent treatment steps used in the manufacturing process have been shown to be capable of significant viral reduction. No procedure, however, has been shown to be completely effective in removing viral infectivity from derivatives of human plasma (see Warnings and Precautions (5.5)). Validation studies were conducted using samples drawn from manufacturing intermediates for each of the two human plasma derived components. These samples were spiked with stock virus suspensions of known titers followed by further processing under conditions representative of respective manufacturing steps.
The virus reduction factors (expressed as log10) of manufacturing steps for each of the viruses tested are shown in .
n.d. = not determined
HIV-1: Human Immunodeficiency Virus 1; HAV: Hepatitis A Virus; BVDV: Bovine Viral Diarrhea Virus, a model for Hepatitis C Virus; PRV: Pseudorabies Virus, a model for lipid enveloped DNA viruses, among those is Hepatitis B Virus; MMV: Mouse Minute Virus, a model for B19V.
In addition, Human Parvovirus B19 (B19V) was used to investigate the upstream Thrombin precursor mass capture step, the Sealer Protein early manufacturing steps and the Thrombin and Sealer Protein vapor heating steps. Using quantitative PCR assays, the estimated B19V log reduction factors were: (a) 1.7 for the Thrombin precursor mass capture step, (b) 3.4 for Sealer Protein early manufacturing steps, (c) >4 for Thrombin vapor heat treatment and (d) 1.0 for Sealer Protein vapor heat treatment.
| Sealer Protein Component | |||||
| Manufacturing Step | Mean Reduction Factors [log10] of Virus Tested | ||||
| HIV-1 | HAV | BVDV | PRV | MMV | |
| Early Manufacturing Steps | n.d. | n.d. | n.d. | n.d. | 2.7 |
| Solvent/Detergent Treatment | >5.3 | n.d. | >5.7 | >5.9 | n.d. |
| Vapor Heat Treatment | >5.5 | >5.6 | >5.7 | >6.7 | 1.2 |
| Overall Reduction Factor (ORF) | >10.8 | >5.6 | >11.4 | >12.6 | 3.9 |
| Thrombin Component | |||||
| Manufacturing Step | Mean Reduction Factors [log10] of Virus Tested | ||||
| HIV-1 | HAV | BVDV | PRV | MMV | |
| Thrombin Precursor Mass Capture | 3.2 | 1.5 | 1.8 | 2.5 | 1.2 |
| Vapor Heat Treatment | >5.5 | >4.9 | >5.3 | >6.7 | 1.0 |
| Solvent/Detergent Treatment | >5.3 | n.d. | >5.5 | >6.4 | n.d. |
| Ion Exchange Chromatography | n.d. | n.d. | n.d. | n.d. | 3.6 |
| Overall Reduction Factor (ORF) | >14.0 | >6.4 | >12.6 | >15.6 | 5.8 |
- The reconstituted solution or pre-filled syringe contains: Sealer Protein Solution
- Total protein: 96 – 125 mg/mL Fibrinogen: 67 – 106 mg/mL Aprotinin (Synthetic): 2250 – 3750 KIU/mL Other ingredients include: human albumin, tri-sodium citrate, histidine, niacinamide, polysorbate 80 and water for injection. Thrombin Solution
- Thrombin (Human): 400 – 625 units/mL* Calcium Chloride: 36 – 44 µmol/mLOther ingredients include: human albumin, sodium chloride and water for injection.
- * The potency expressed in units is determined with a clotting assay using an in-house internal standard that has been calibrated against the World Health Organization (WHO) Second International Standard for Thrombin, 01/580. Therefore, a unit (U) is equivalent to an International Unit (IU).
12 CLINICAL PHARMACOLOGY
12.1 Mechanism of Action
Upon mixing Sealer Protein (Human) and Thrombin (Human), soluble fibrinogen is transformed into fibrin, forming a rubber-like mass that adheres to the wound surface and achieves hemostasis and sealing or gluing of tissues. TISSEEL mimics the final coagulation cascade step as it has all relevant components to form a clot. TISSEEL is effective in heparinized patients and in patients medicated with anti-platelet drugs.
12.2 Pharmacodynamics
Thrombin is a highly specific protease that transforms the fibrinogen contained in Sealer Protein (Human) into fibrin. Fibrinolysis inhibitor, Aprotinin (Synthetic), is a polyvalent protease inhibitor that prevents premature degradation of fibrin. Preclinical studies with different fibrin sealant preparations simulating the fibrinolytic activity generated by extracorporeal circulation in patients during cardiovascular surgery have shown that incorporation of aprotinin in the product formulation increases resistance of the fibrin sealant clot to degradation in a fibrinolytic environment.
12.3 Pharmacokinetics
Unincorporated Aprotinin and its metabolites have a half-life of 30 to 60 minutes and are eliminated by the kidney. Pharmacokinetic studies were not conducted. TISSEEL is expected to be completely resorbed in 10 to14 days
Because TISSEEL is applied only topically, systemic exposure or distribution to other organs or tissues is not expected.
13 NONCLINICAL TOXICOLOGY
13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility
Long-term animal studies to evaluate the carcinogenic potential of TISSEEL or studies to determine the effect of TISSEEL on fertility have not been performed.
14 CLINICAL STUDIES
14.1 Vascular Surgery
TISSEEL was evaluated in a prospective, controlled, randomized, single-blind, multicenter clinical study against manual compression with gauze pads in 140 subjects undergoing vascular surgery with expanded polytetrafluoroethylene (ePFTE) graft placement (arterio-arterial bypasses and AV shunts for dialysis access in the upper and lower extremity). Subjects received standardized dosages of heparin. Protamine was administered after the primary endpoint had been assessed. Long-term antiplatelet treatments were continued perioperatively at the surgeon’s discretion.
Subjects were randomly assigned to TISSEEL or control when persistent bleeding at the study suture line was present after surgical hemostasis, i.e., sutures. Eligible bleedings before clamping and treatment application were defined as a minimum of 25% of the suture line bleeds or at least 5 suture line bleedings or any pulsatile or spurting needle hole bleeding. For the primary endpoint, hemostasis achieved at the study suture line at 4 minutes and maintained until surgical closure, a single application of TISSEEL was statistically significantly superior to control (p<0.0001; likelihood ratio chi-square test; 2.5% one sided) [ITT].
| Hemostasis at the study suture line within 4 minutes and maintained until surgical closure | ||
| TISSEEL | Manual Compression | |
| Intent to Treat Analysis | 44/70 (62.9%) | 22/70 (31.4%) |
14.2 Cardiac Surgery
TISSEEL was evaluated in a prospective, parallel design, randomized (1:1), double-blind, multicenter clinical study against an earlier formulation of the product, TISSEEL VH, in 317 subjects undergoing cardiac surgery requiring cardiopulmonary bypass (CPB) and median sternotomy. Patients were treated with TISSEEL or the control product only when hemostasis was not achieved by conventional surgical methods. For the endpoint, hemostasis achieved at the primary treatment site within 5 minutes of treatment and maintained until closure of the surgical wound, TISSEEL was non-inferior to the earlier formulation of the product using a one-sided 97.5% confidence interval on the difference in the proportion of subjects successfully treated.
| Hemostasis within 5 minutes and maintained until surgical closure | ||
| TISSEEL | TISSEEL VH | |
| Intent to Treat Analysis | 127/144 (88.2%) | 129/144 (89.6%) |
14.3 Cardiac Reoperations
An earlier formulation of TISSEEL was evaluated in an open-label crossover study against control topical hemostatic agents in 489 patients undergoing cardiovascular reoperation or resternotomy at 11 institutions. Patients were randomized to TISSEEL or control hemostatic agents when a topical hemostatic was needed at the conclusion of surgery and after all attempts at surgical hemostasis. Patients were crossed to the alternative therapy if bleeding continued after the 5 minute endpoint. At 10 centers, TISSEEL was used after administration of protamine sulfate. At one site, TISSEEL could be used before administration of protamine sulfate. 365 of the 489 patients developed bleeding episodes requiring treatment. For the endpoint (successful hemostasis at 5 minutes), TISSEEL was statistically significantly superior to control topical hemostatic agents in these patients. Similarly, absolute time to cessation of bleeding was statistically significantly shorter for TISSEEL than for control topical hemostatic agents (p<0.0001, Gehan- Wilcoxon test, two sided).
| Hemostasis within 5 minutes | |
| TISSEEL | Control Topical Hemostatic Agent |
| 82.4% (159/193) | 44.5% (76/172) |
| Pearson χ2 two sided; p <0.0001; intent-to-treat analysis | |
14.4 Splenectomy
In a single center, open label trial, an earlier formulation of TISSEEL was compared to historical controls in patients undergoing laparotomy for blunt or penetrating traumatic injury to the spleen and/or liver. Use of TISSEEL resulted in the need for statistically significantly fewer splenectomies than control hemostatic maneuvers (Refer to Table 9). TISSEEL did not result in significantly reduced mortality in patients with blunt or penetrating trauma to the liver alone or to the liver and spleen (p=0.067, χ2, one sided).
| Splenectomy Rate | ||||
| Injury to: | TISSEEL | Historic Controls | ||
| Spleen | 0/19 | 14/22 | p <0.001 | |
| Spleen and liver | 1/26 | 19/34 | p <0.001 | |
14.5 Colostomy Closure
In a single center, prospective open label study of 118 patients randomized to standard of care (58 patients) or standard of care plus fibrin sealant (60 patients) for elective colostomy closure after temporary colostomy placement for treatment of traumatic injury to the colon, the earlier version of TISSEEL plus standard of care was also shown to be significantly superior to standard of care alone (p=0.0406, Jonckheere-Terpstra test for ordinal data, two sided) with regard to anastomotic complications (leakage, intra-abdominal abscess formation, re-operation, septic shock, and death).
16 HOW SUPPLIED/STORAGE AND HANDLING
How Supplied
TISSEEL is supplied in the following pack sizes and presentations:
TISSEEL Kit contains one vial each of:
TISSEEL Pre-Filled Dual-Chambered Syringe contains:
Storage and HandlingTISSEEL Kit (Freeze-Dried)Store at 2-25°C. Avoid freezing. Do not freeze or refrigerate reconstituted solutions.
TISSEEL Pre-filled Syringe (Frozen)Store at ≤ -20°C. Do not refrigerate or re-freeze after thawing. Once removed from the freezer, TISSEEL must be used within 48 hours. Prior to application, TISSEEL must be warmed to 33 - 37˚C.Once the pouches are opened or warmed to 33-37°C, they must be used within 4 hours. Do not use after the expiration date. Discard if packaging of any components is damaged.
| Pack Size | TISSEEL Kit (Freeze-Dried) | TISSEEL Kit (Freeze-Dried)with DUPLOJECT System | TISSEEL Pre-Filled AST Syringe (Frozen) withDUO Set | TISSEEL Pre-Filled PRIMA Syringe (Frozen) with DUPLOJECT COMBI |
| 2 mL | 0338-4210-02 | 0338-4301-02 | 0338-8402-02 | 0338-9560-01 |
| 4 mL | 0338-4211-04 | 0338-4302-04 | 0338-8402-04 | 0338-9564-01 |
| 10 mL | 0338-4212-10 | 0338-4303-10 | 0338-8402-10 | 0338-9568-01 |
- 1.Sealer Protein Concentrate (Human), Vapor Heated, Solvent/Detergent Treated, Freeze-Dried, Sterile
- 2.Fibrinolysis Inhibitor Solution, (Synthetic) Liquid, Sterile
- 3.Thrombin (Human), Vapor Heated, Solvent/Detergent Treated, Freeze-Dried, Sterile
- 4.Calcium Chloride Solution, Liquid, Sterile
17 PATIENT COUNSELING INFORMATION
Discuss the risks and benefits of this product with the patient since it is made from human plasma.
Instruct patients to consult their physician if symptoms of B19 virus infection appear (fever, drowsiness, chills and runny nose) followed about two weeks later by a rash and joint pain (see Use in Specific Populations (8.1)).
Manufactured For Baxter Healthcare Corporation Deerfield, IL 60015 USA US License No. 140
Baxter, Artiss, Duo, Duploject, Duploject Combi, Duplospray, Easyspray, Fibrinotherm and Tisseel are trademarks of Baxter International Inc.