RecruitingNot ApplicableNCT06780852

A Pilot Clinical Study to Evidence Improved Cranial Flap Fixation With a Bioresorbable Bone Adhesive

A Pilot Clinical Study to Evidence Improved Cranial Flap Fixation With a Bioresorbable Bone Adhesive Based on Imaging and Patient Reported Outcomes

Sponsor

RevBio

Enrollment

15 participants

Start Date

Jan 15, 2025

Study Type

INTERVENTIONAL

Conditions

Craniotomy

Summary

This clinical pilot study will evaluate the use of a bioresorbable bone adhesive to improve cranial flap fixation at two study time points (at the time of fixation and 6 months). The aim of this Pilot Study is to demonstrate the safety and efficacy of the use of Tetranite for Cranial Flap Fixation (TN-CFF) to allow clinical study of the TN-CFF device in a greater number of patients.

Eligibility

Min Age: 18 YearsMax Age: 75 Years

Inclusion Criteria7

Subjects or representatives must have voluntarily signed the informed consent form before any study related procedures;
Subjects can be any gender, but be between (and including) 18 and 75 years of age
Subject is scheduled for a cranial procedure in the supratentorial location.
Subject requires a procedure involving a Class I/clean wound (uninfected surgical wound in which no inflammation was encountered).
Subject, and/or subject's family are able and willing to provide informed consent and HIPAA authorization.
Subject is able and willing to meet all study requirements, including attending all post-index procedure assessment visits and radiological tests.
Width of craniotomy kerf line \< 3mm for more than 75% of the bone flap border

Exclusion Criteria11

Subject requires a procedure involving a translabyrinthine, transsphenoidal, transoral approach, or any procedure that penetrates the air sinus or mastoid air cells. Note: Superficial penetration of mastoid air cells is not an exclusion if cells were appropriately sealed (e.g., bone wax).
Subject has clinically significant hydrocephalus or clinical evidence of altered CSF dynamics.
Subject has undergone a previous, open intracranial neurosurgical procedure in the same anatomical location. (Note: stereotactic biopsy was not exclusionary).
Subject requires a craniectomy (the bone flap is not replaced during the current surgery).
Subject had radiation treatment to the surgical site, or standard fractionated radiation therapy was planned post index-procedure. (Note: stereotactic radiosurgery prior to the planned index procedure was not an exclusion criterion.)
Subject requires a craniotomy across the sinus for which Tetranite is applied adjacent to or within the sinus to fixate the cranial flap.
Subject has a condition with anticipated survival shorter than six months.
Subject has undergone chemotherapy treatment, excluding hormonal therapy, within three weeks prior to the planned index procedure, or use of intracavitary chemotherapy wafer (BCNU) was planned, or chemotherapy treatment was planned within two weeks after the index procedure was performed.
Standard use of peri-operative steroids (i.e., corticosteroids) is permitted. Chronic steroid use (defined as daily use of corticosteroids for ≥ 8 weeks) for the purposes of reducing the side effects of chemotherapy and/or radiation therapy for cancer is not exclusionary unless the patient is deemed by the investigator to be suffering from steroid toxicity (i.e., Cushing's syndrome) manifested by symptoms and signs such as thin skin, striae, easy bruising, muscle atrophy, upper body obesity, severe fatigue, etc. Use of corticosteroids on a chronic basis (as defined previously) for purposes other than decreasing the symptoms of systemic chemotherapy is exclusionary unless those steroids were discontinued 4 weeks prior to the planned index procedure.
Subject receives warfarin, heparin, other anticoagulant agents on a daily basis and pre-surgical, standard of care drug wash-out did not occur.
Subject is pregnant, breast-feeding, or intended to become pregnant during the course of the study.

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