TFF Pharmaceuticals Provides Update on Tacrolimus Inhalation Powder Phase 2 Trial for the Prevention of Lung Transplant Rejection
TFF Pharmaceuticals, Inc. provided an update from the its ongoing Phase 2 trial of Tacrolimus Inhalation Powder (TFF TAC) for the prevention of lung transplant rejection.
“I am pleased to report that patient enrollment has accelerated due to positive physician enthusiasm based on emerging data, and we have now enrolled 10 patients in the TFF TAC Phase 2 study,” said Dr. Harlan Weisman, Chief Executive Officer of TFF Pharmaceuticals. “As we continue to grow the body of clinical data for TFF TAC, we anticipate providing a more detailed clinical update on the Phase 2 trial later in the year.”
Program update
- The Phase 2 study now has 10 patients enrolled and 6 out of 6 patients who completed the 12-week treatment period with TFF TAC have chosen to remain on the therapy by proceeding to the safety extension phase. 1 patient has been treated for over a year and 3 additional patients have been treated for more than 6 months
- PK data from first patient cohort indicate that TFF TAC dosing results in reduced systemic variability of tacrolimus; the systemic tacrolimus trough to peak concentration swings that occur with oral tacrolimus are not present with TFF TAC, which is predicted to reduce the risk of acute rejection and systemic toxicities such as chronic kidney disease, respectively
- Patients on TFF TAC have provided anecdotal feedback to investigators noting a reduction in headaches, overall improvements in wellness, and/or ease of use in administration
“We are encouraged by the initial positive feedback we are receiving from patients who have been receiving TFF TAC over an extended period of time, which is not altogether surprising given TFF TAC’s more precise, targeted delivery into the lungs versus oral administration of tacrolimus,” said Dr. Zamaneh Mikhak, Chief Medical Officer. “Furthermore, initial PK data from the first patient cohort indicate that dosing with TFF TAC results in less variability in the levels of systemic tacrolimus. By reducing systemic tacrolimus trough and peak concentration swings through more targeted delivery, we believe TFF TAC has the potential to reduce the incidence of acute rejection and kidney toxicity, respectively. In addition, we have received positive feedback on the ease of use of the TFF TAC inhalation device, which is a small portable inhaler that requires no priming or spacer, making it easy for patients to inhale drug and likely leading to improved compliance.”
TFF Pharmaceuticals’ proprietary Thin Film Freezing (TFF) technology allows for the transformation of both existing compounds and new chemical entities into dry powder formulations exhibiting unique characteristics and benefits. The TFF process is a particle engineering process designed to generate dry powder particles with advantageous properties for inhalation, as well as parenteral, nasal, oral, topical and ocular routes of administration. The process can be used to engineer powders for direct delivery to the site of need, circumventing challenges of systemic administration and leading to improved bioavailability, faster onset of action, and improved safety and efficacy. The ability to deliver therapies directly to the target organ, such as the lung, allows TFF powders to be administered at lower doses compared to oral drugs, reducing unwanted toxicities and side effects. Laboratory data suggests the aerodynamic properties of the powders created by TFF can deliver as much as 75% of the dose to the deep lung. TFF does not introduce heat, shear stress, or other forces that can damage more complex therapeutic components, such as fragile biologics, and instead enables the reformulation of these materials into easily stored and temperature-stable dry powders, making therapeutics and vaccines more accessible for distribution worldwide. The advantages of TFF can be used to enhance traditional delivery or combined to enable next-generation pharmaceutical products.
TFF Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company engaging patented rapid freezing technology to develop and transform medicines into potent dry powder formulations for better efficacy, safety, and stability. The company’s versatile TFF technology platform has broad applicability to convert most any drug, including vaccines, small and large molecules, and biologics, into an elegant dry powder highly advantageous for inhalation, or for topical delivery to the eyes, nose and the skin.
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