PHARMACY MARKET

Halozyme Announces Positive Clinical Data of its High-Volume Auto-Injector Demonstrating Successful Rapid Subcutaneous Drug Delivery

Halozyme Announces Positive

Halozyme Therapeutics, Inc. announced positive results of a clinical study demonstrating subcutaneous administration of 10 mL of a representative biologic product co-formulated with its ENHANZE® drug delivery technology, in approximately 30 seconds. In the study, the biologic was delivered with Halozyme's proprietary high-volume auto-injector (HVAI) in healthy volunteers. The injection was delivered successfully to all 23 participants and was well tolerated.

"To our knowledge, this is the first clinical study of its kind," said Mike LaBarre, chief technical officer of Halozyme. "Traditional subcutaneous auto-injector delivery methods are typically limited to volumes less than 2 mL or require long delivery times at slow rates for higher volumes. By enabling rapid subcutaneous injection of high volumes of biologic products, our ENHANZE drug delivery technology in combination with our proprietary HVAI has the potential to improve the patient experience for multiple therapies."

In the study, a representative biologic, immunoglobulin 10%, was delivered to 23 healthy volunteers. The primary endpoint of the study was achieved with all subjects receiving the completed dose with HVAI, demonstrating that 10 mL of a representative biologic product can be rapidly delivered using Halozyme's ENHANZE® and HVAI technologies.

Data Highlights

  • 96% of participants stated that they would be willing to receive the injection again.
  • 90% of participants indicated feeling either no pain or mild pain immediately after injection.
  • Erythema, swelling, and induration were generally minimal to mild and resolved by 90 minutes or less.

Biologics delivered subcutaneously through auto-injectors are typically restricted to doses of 1-2 mL. This limitation is caused by hyaluronan, a molecule that inhibits fluid dispersion in the subcutaneous space. Halozyme's ENHANZE® drug delivery technology is based on a proprietary recombinant human hyaluronidase PH20 (rHuPH20), an enzyme that locally degrades hyaluronan in the subcutaneous space. This temporarily increases the permeability of the tissue under the skin, allowing space for the biologic to enter, enabling it to be rapidly dispersed and absorbed into the bloodstream.

"These results support our continued dedication to providing innovative drug delivery options to patients," said Helen Torley, chief executive officer of Halozyme. "Our ENHANZE drug delivery and HVAI technologies have the potential to rapidly deliver large volume therapeutics subcutaneously with the potential for meaningful clinical benefits."

Halozyme's HVAI is available to partners for clinical use.

About Halozyme Therapeutics, Inc.

Halozyme is a biopharmaceutical company bringing disruptive solutions to significantly improve patient experiences and outcomes for emerging and established therapies. As the innovators of the ENHANZE® drug delivery technology with the proprietary enzyme rHuPH20, Halozyme's commercially-validated solution is used to facilitate the delivery of injected drugs and fluids in order to reduce the treatment burden to patients. Having touched more than 700,000 patient lives in post-marketing use in seven commercialized products across more than 100 global markets, Halozyme has licensed its ENHANZE® technology to leading pharmaceutical and biotechnology companies including Roche, Takeda, Pfizer, AbbVie, Eli Lilly, Bristol-Myers Squibb, Alexion, argenx, Horizon Therapeutics, ViiV Healthcare and Chugai Pharmaceutical.

Halozyme also develops, manufactures and commercializes, for itself or with partners, drug-device combination products using its advanced auto-injector technology that are designed to provide commercial or functional advantages such as improved convenience and tolerability, and enhanced patient comfort and adherence. The Company has a commercial portfolio of proprietary products including XYOSTED®, TLANDO® and NOCDURNA® and partnered commercial products and ongoing product development programs with several pharmaceutical companies including Teva Pharmaceutical, Pfizer and Idorsia Pharmaceuticals.

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