Tebentafusp

Preparation and Administration Preparation A 2-step dilution process is required for preparation of the final KIMMTRAK dose for infusion. Use aseptic technique for dilution and preparation of intravenous infusion solutions. Visually inspect parenteral drug products and infusion bags for particulate matter and discoloration prior to administration, whenever solution and container permit.

Step 1: Preparation of the Infusion Bag To prevent adsorption of tebentafusp-tebn to the infusion bag and other components of the drug delivery system, prepare an Albumin (Human) in 0.9% Sodium Chloride Injection, USP solution as follows: Using a 1 mL syringe with graduations of 2 decimal places and a sterile needle, withdraw the calculated volume of Albumin (Human) into the syringe (see Table 2 below) and add to the 100 mL 0.9% Sodium Chloride Injection, USP bag constructed of polyolefins (PO) [such as polyethylene (PE) and polypropylene (PP)] or polyvinyl chloride (PVC) to make a final Albumin (Human) concentration of 250 mcg/mL.

Table 2: Examples of Albumin (Human) Concentration and Volumes [See table below.] Gently homogenize the prepared solution by completing the following steps: Invert the infusion bag so that the bag is upside down with the entry port positioned on top. Then tap the side of the port tubing to ensure that any residual solution is released into the bulk solution.

Mix the prepared solution by gently rotating the bag lengthwise 360 degrees from the inverted position at least 5 times. Do not shake the infusion bag. Repeat (i) and (ii) an additional three times. Step 2- Preparation of KIMMTRAK Solution for Infusion Do not shake the KIMMTRAK vial. Using a 1 mL syringe with graduations of 2 decimal places and a sterile needle, withdraw the required volume of KIMMTRAK 100 mcg/ 0.5 mL as per the dose required (shown in Table 3 below) and add to the prepared 100 mL infusion bag containing 0.9% Sodium Chloride Injection, USP plus Albumin (Human).

Discard the single-dose vial containing the unused portion of KIMMTRAK in accordance with local requirements. Do not prepare more than one dose from the vial. Table 3: KIMMTRAK Volumes Required for Addition to the Infusion Bag [See table below.] Mix the infusion bag by following the same procedure outlined in Step 1b.

Administration Immediately administer the diluted solution via intravenous infusion over 15-20 minutes through a dedicated intravenous line. A sterile, non-pyrogenic, low protein binding 0.2 micron in-line filter infusion set should be used. Administer the entire contents of the KIMMTRAK infusion bag. Administer the prepared infusion bag within 4 hours from the time of preparation including the duration of infusion.

During the 4-hour window, the KIMMTRAK infusion bag should remain at room temperature. If not used immediately, store the KIMMTRAK infusion bag in a refrigerator at 2°C to 8°C (36°F to 46°F) and infuse within 24 hours from the time of preparation, which includes the storage time in the refrigerator, the time allowed for equilibration of the infusion bag to room temperature, and the duration of the infusion.

Once removed from the refrigerator, do not refrigerate KIMMTRAK infusion bag again. Do not freeze. Discard unused KIMMTRAK solution beyond the recommended storage time. Do not mix KIMMTRAK with other drugs or administer other drugs through the same intravenous line. Upon completion of KIMMTRAK infusion, flush the infusion line with adequate volume of sterile 0.9% Sodium Chloride Injection, USP to ensure that the entire contents of the infusion bag are administered.