Reconstructive surgery by custom made implant for patients with long bone metastatic bone tumor

Effectiveness of reconstructive surgery by custom made implant for patients with long bone metastatic bone tumor - Reconstructive surgery by custom made implant

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs042190058

Enrollment

Registered

2019-07-29

Start date

2019-11-21

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

Metastatic bone tumor of long bone

Interventions

Investigators place the custom made implant for metastatic bone tumor of long bone and follow up for 1 year.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Resistant pain for conservative treatment 2) Pathologic fracture / urgency fracture 3) Prognosis for 3 months or more 4) Prognosis prolonged by tumor resection

Exclusion criteria

Exclusion criteria: 1) Cases in which general anesthesia can not be applied 2) Underage cases 3) Cases that are assumed to have a high risk to protocol treatment 4) Cases in which communication can not be made by oneself

Design outcomes

Primary

Measure	Time frame
Limb functional after surgery	—

Secondary

Measure	Time frame
1) Local pain ( Numerical Rating Scale, NRS) 2) Radiogram [International Symposium on Limb Salvage, ISOLS radiogram evaluation] 3) Operation time 4) Blood loss 5) Failure of the custom made implant 6) Survival ratio of the custom made implant 7) Oncological prognosis	—

Contacts

Public ContactMami Iwasaki

University of Toyama

yasuda@med.u-toyama.ac.jp+81-76-434-7353

Outcome results

None listed

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