FAQs

FAQ’s About Infasurf® (calfactant)

What is Infasurf® (calfactant)?

Infasurf® (calfactant) Intratracheal Suspension is a sterile, non-pyrogenic lung surfactant intended for intratracheal instillation only. It is an extract of natural surfactant from calf lungs which includes phospholipids, neutral lipids, and hydrophobic surfactant-associated proteins B and C (SP-B and SP-C).

Who can receive Infasurf® (calfactant)?

Infasurf® is indicated for the prevention of Respiratory Distress Syndrome (RDS) in premature infants at high risk for RDS and for the treatment (“rescue”) of premature infants who develop RDS. Infasurf decreases the incidence of RDS, mortality due to RDS, and air leaks associated with RDS.

Prophylaxis

Prophylaxis therapy at birth with Infasurf is indicated for premature infants <29 weeks of gestational age at significant risk for RDS. Infasurf prophylaxis should be administered as soon as possible, preferably within 30 minutes after birth.

Treatment

Infasurf® therapy is indicated for infants ≤72 hours of age with RDS (confirmed by clinical and radiologic findings) and requiring endotracheal intubation.

What color should Infasurf® (calfactant) be?

Infasurf® is an off-white suspension.

Does Infasurf® (calfactant) contain any preservatives?

No, Infasurf® contains no preservatives. Each vial of Infasurf® contains a ratio of approximately 97% saline and 3% Calf Lung Surfactant Extract (CLSE). See the detailed composition of Infasurf® here.

What is the dose for Infasurf® (calfactant)?

Each dose of Infasurf® is 3 mL/kg body weight at birth.

How soon can I re-dose with Infasurf® (calfactant)?

Infasurf® can be re-dosed every 12 hours or at the discretion of a Medical Doctor.

What is the maximum indicated dose per patient?

Infasurf® can be administered every 12 hours for a total of up to 3 doses.

Does Infasurf® (calfactant) contain any preservatives?

No, Infasurf® contains no preservatives. Each vial of Infasurf® contains a ratio of approximately 97% saline and 3% Calf Lung Surfactant Extract (CLSE). See the detailed composition of Infasurf® here.

Should you shake Infasurf® (calfactant) before administration?

Infasurf® is a suspension which settles during storage. Gentle swirling or agitation of the vial is often necessary for resuspension. DO NOT SHAKE.

Is it necessary to warm Infasurf® (calfactant) before administration?

Warming of Infasurf® before administration is not necessary.

Can you warm an unopened vial of Infasurf® (calfactant) more than once?

Repeated warming of Infasurf® to room temperature should be avoided. Unopened, unused vials of Infasurf® that have warmed to room temperature can be returned to refrigerated storage within 24 hours for future use. Infasurf® should not be removed from the refrigerator for more than 24 hours. Infasurf® should not be returned to the refrigerator more than once.

Does Infasurf® (calfactant) require reconstitution?

Infasurf® does not require reconstitution. Do not dilute or sonicate.

Can more than one dose be drawn out of a vial of Infasurf® (calfactant)?

Vials of Infasurf® are intended for single use. Each single-use vial should be entered only once. Vials with any unused material should be discarded after the initial entry.

How should Infasurf® (calfactant) be stored?

Store Infasurf® (calfactant) Intratracheal Suspension upright at refrigerated temperature 2° to 8°C (36° to 46°F) and protected from light. THE 3mL VIAL MUST BE STORED UPRIGHT.

Can Infasurf® (calfactant) be reused once removed from the refrigerator?

Date and time need to be recorded on the carton when Infasurf® is removed from the refrigerator. Unopened, unused vials of Infasurf® that have warmed to room temperature can be returned to refrigerated storage within 24 hours for future use. Infasurf® should not be removed from the refrigerator for more than 24 hours. Infasurf® should not be returned to the refrigerator more than once. Repeated warming to room temperature should be avoided.

Can an opened vial of Infasurf® (calfactant) be returned to the refrigerator?

No. Vials of Infasurf® are intended for single use. Each single-use vial should be entered only once. Vials with any unused material should be discarded after the initial entry.

Unopened, unused vials of Infasurf® that have warmed to room temperature can be returned to refrigerated storage within 24 hours for future use. Infasurf® should not be removed from the refrigerator for more than 24 hours. Infasurf® should not be returned to the refrigerator more than once. Repeated warming to room temperature should be avoided.

Can Infasurf® (calfactant) still be used if it looks foamy when removed from carton?

Foaming at the surface and visible flecks in the suspension are normal for Infasurf®. Infasurf® is a suspension which settles during storage. Gentle swirling or agitation of the vial is necessary for resuspension. DO NOT SHAKE.

Can Infasurf® (calfactant) still be used if there are visible flecks in the suspension?

Visible flecks in the suspension and foaming at the surface are normal for Infasurf®. Infasurf® is a suspension which settles during storage. Gentle swirling or agitation of the vial is necessary for resuspension. DO NOT SHAKE.

What is the dose for Infasurf® (calfactant)?

Each dose of Infasurf is 3 mL/kg body weight at birth.

Can Infasurf® (calfactant) be administered for prophylaxis of RDS?

Infasurf® prophylaxis should be administered as soon as possible, preferably within 30 minutes after birth. Prophylaxis therapy at birth with Infasurf® is indicated for premature infants <29 weeks of gestational age at significant risk for RDS.

Can I use Infasurf® (calfactant) in a single bolus?

Administration of Infasurf® has been studied in clinical trials using 2 or 4 aliquots. Single bolus administration would be at the discretion of a Medical Doctor.

Can I give Infasurf® (calfactant) using methods like Minimally Invasive Surfactant Therapy (M.I.S.T.) or Least Invasive Surfactant Administration (L.I.S.A.)?

The only FDA approved method for the instillation of any FDA approved surfactant preparation is into the trachea through an endotracheal tube. While alternative methods of surfactant delivery have been published, none have been reviewed and approved by the FDA.

How can I order Infasurf® (calfactant)?

To order Infasurf® in the U.S., please contact your primary wholesaler. For more information on ordering, please call Customer Service at 866.398.0820 or submit an inquiry online by visiting our Request Information page.

How is Infasurf® (calfactant) supplied?

Infasurf® (calfactant) Intratracheal Suspension is supplied sterile in single-use, rubber-stoppered glass vials containing 3 mL (NDC 61938-456-03) or 6 mL (NDC 61938-456-06) off-white suspension.

Is Infasurf® (calfactant) available outside of the United States?

Yes, we are currently approved for use in 27 different countries around the world. If you’re interested in acquiring Infasurf® for use outside the United States, please contact us by calling 877.274.4669 or submit an inquiry online by visiting our Request Information page.

How can I schedule an in-service or education for my hospital?

To schedule an in-service or education for your hospital, please call 877.274.4669 or visit our Request Information page to submit a request.

Do you have any Infasurf® (calfactant) resources you can provide my hospital?

Yes, we have a variety of resources for Infasurf®. Please visit our Resources page for downloadable materials and links to additional resources. Should you have any additional questions, please visit our Request Information page to submit a request.

How do I report an adverse event?

To report an adverse event, please call 877.663.4179 or email us at [email protected].

Who can I contact regarding product support?

For product support, please call 877.274.4669 or email us at [email protected].

How can I contact a sales representative?

To contact a sales representative, please call 877.274.4669 or visit our Request Information page to submit a request.

I have a medical question. Who can I contact?

To reach Medical Affairs, please call 877.274.4669 or email us at [email protected].