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Restoration of bone defects at craniotomy using bone graft substitutes made of hydroxyapatite and collagen composite.

Restoration of bone defects at craniotomy using bone graft substitutes made of hydroxyapatite and collagen composite. - Restoration of bone defects at craniotomy using bone graft substitutes made of hydroxyapatite and collagen composite.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000035228
Enrollment
31
Registered
2019-01-01
Start date
2019-01-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bone defect caused by craniotomy

Interventions

At the time of surgery, artificial bone is placed 1-6cc. At the time of surgery, bone dust occurred at craniotomy is placed.

Sponsors

Shimane University Faculty of Medicine Department of Neurosurgery
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Bilateral frontal craniotomy or fronto temporal craniotomy is scheduled. 2)There is no history of surgery such as craniotomy in the scheduled opening range. 3)The age at agreement is 20 years old or over and 90 years old or younger. 4)Consent in writing from the person is obtained for the study participants.

Exclusion criteria

Exclusion criteria: 1) It is known that it is allergic to allergy patients who need treatment, or other porcine collagen-containing preparations. 2) There is a history of inflammation in the skull. 3) received immunosuppressive therapy Within three months ago. 4) pregnant, lactating, or it might be pregnant. 5) undergoing dialysis. 6) has a active and/or progressive malignant tumor. 7) Diabetes mellitus with poor control. 8) has a calcium metabolic diseases requiring treatment. 9) has a bone targeted hormone metabolism abnormalities requiring treatment. 10) has an immune deficiency disease.

Design outcomes

Primary

MeasureTime frame
Treatment success rate of artificial bone and autogenous bone dust replacement part

Countries

Japan

Contacts

Public ContactTsutomu Yoshikane

Shimane University Faculty of Medicine Neurosurgery

ytsutomu@med.shimane-u.ac.jp0853-20-2245

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026