Our Science

Saving Lives with Therapies from Platelets

Cellphire Therapeutics, Inc. (“Cellphire”) is a clinical stage biotechnology company with a portfolio of novel, stabilized, allogeneic, platelet-derived, cellular therapeutics addressing markets in > $4 Billion.  Benefiting from significant historical and planned funding from the US Government, our therapeutics utilize proprietary process and formulation technologies.
Cellphire’s lead biologic CLPH-511 are frozen activated platelets for IV use with 5-year shelf life at –65⁰C. It is manufactured with scalable proprietary production by freezing pooled Group O leuko-reduced liquid stored platelets.  CLH-511 clinical trial was recently stopped due to efficacy at the Interim Analysis, having achieved Non-Inferiority, according to the Independent Data Monitoring Committee (DMC).  The randomized, parallel group, active comparator-controlled Phase 2/3 clinical trial [NCT04709705] to evaluate the non-inferiority or superiority of cryopreserved platelets with conventional platelets in controlling blood loss in patients under going cardiopulmonary bypass surgery.

Cellphire has two technologies in Phase 2 clinical trials, Freeze-dried Platelet-derived Hemostat (FPH), a stabilized platelet-derived biologic, and Cryopreserved Platelets (CPP).

Investigational Products

Thrombosomes Product
Freeze-dried Platelet-derived Hemostatic (FPH)
CLPH-211, Perioperative Hemostatic Agent, the lead Freeze-dried Platelet-derived hemostatic (FPH)technology product. An Investigator Initiated Study Phase 2 Study demonstrated proof of concept in acute surgical hemorrhage.  With 70 human exposures,CLPH-211 has a positive clinical safety data coupled with significant, additional pre-clinical safety data. The product has 3+ year room temperature stability and simple rehydration with sterile water in minutes. CLPH-211 has been supported by from Biomedical Advanced Research and Development Authority(BARDA) and the Department of Defense (Army).
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CPP Product
Frozen (Activated) Platelets (CLPH-511)
CLPH-511 is the furthest advanced product in the portfolio, utilizes cryopreservation of platelets (CPP) to create a 5 year shelf life product, a significant improvement over existing max 7 day shelf life room temp platelets. Benefiting from Fast Track Designation and Medical Product Priority Designation – a joint FDA and Defense Department program – this product is well on the way to commercialization. Put on the MPAC list in October2023, this critical program’s Phase 2/3 clinical trial was stopped recently due to positive efficacy. Targeting BLA in 2026, CLPH-511’s development is substantively funded by the Department of Defense. CPP is comprised of frozen platelets stabilized with a cryoprotectant, DMSO (dimethyl sulfoxide).
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