Evaluation of an Absorbable Surgical Hemostatic Agent: Thrombi-Gel® Versus Gelfoam-Thrombin

Operation Site Bleed

Hemostatic products, Surgical hemostasis, Thrombi-gel, Gelatin Sponge, Time to hemostasis

This trial is designed as a prospective, multi-center, randomized, feasibility clinical trial to evaluate the safety and efficacy of Thrombi-Gel as an absorbable surgical hemostat. Within this clinical evaluation, Thrombi-Gel will be compared to the current standard of care, a gelatin sponge (Gelfoam) plus Thrombin JMI, by using a 2:1 randomization ratio. Subjects will be randomized to one of two (2) treatment groups. One (1) group will be treated with Thrombi-Gel, while one (1) group will be treated with the gelatin sponge plus thrombin. All study data will be analyzed according to the subjects' assigned randomization group assignment, regardless of the treatment actually delivered.

This is a prospective, randomized, multi-center investigation with a minimum of seventy five (75) study subjects designed to evaluate the safety and effectiveness of the Thrombi-Gel product as an absorbable hemostat in the surgical patient population. Subjects who are undergoing orthopedic/spinal, general, cardiac, hepatic or vascular surgical procedures should be considered for this investigation. Subjects can be pre-screened utilizing standard of care data for the specified inclusion/exclusion criteria to ensure that they are eligible for treatment in the investigation. If the subject appears to qualify for the investigation, the subject will then be asked to give his/her written informed consent. If, during surgery, the surgeon encounters a bleeding site that he or she is unable or unwilling to easily control due to failure or impracticality of conventional methods (sutures and/or cautery), the subject may be enrolled and randomized to receive either the investigational or control treatment. If the subject has multiple bleeding sites, each site to a maximum of 5 sites, may be treated with the assigned surgical hemostat. However, only the first site treated will be used to determine study objectives. All subjects will be followed through their hospitalization. A follow-up evaluation will be conducted at approximately 30 and 60 days post-procedure to determine the long-term effectiveness of the hemostatic treatment received, incidence of late adverse events, and interim immunologic response to the study treatment device. Follow-up evaluations will include obtaining a blood specimen that evaluates for antibody development, coagulation, and Factor Va testing. Blood samples will be sent to independent labs for analysis. From baseline to the final study exam, data pertaining to the investigational objectives will be recorded on the appropriate case report forms at the predetermined study intervals. The investigation will be conducted at a minimum of five (5) sites, but no more than fifteen (15) sites.

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