# Predicting Allograft Volume in Orthopedic Oncology: Hemielipsoid Formula vs Intraoperative Fluid-Fill Measurement

> **NCT07653178** · — · ACTIVE_NOT_RECRUITING · sponsor: **Sakarya University** · enrollment: 40 (estimated)

## Conditions studied

- Bone Neoplasms
- Musculoskeletal Neoplasms
- Bone Transplantation

## Interventions

- **PROCEDURE:** Hemielipsoid Formula-Based Preoperative and Intraoperative Bone Defect Volume Estimation

## Key facts

- **NCT ID:** NCT07653178
- **Lead sponsor:** Sakarya University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2026-06-01
- **Primary completion:** 2027-06-01
- **Final completion:** 2027-07-01
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2026-06-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07653178

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07653178, "Predicting Allograft Volume in Orthopedic Oncology: Hemielipsoid Formula vs Intraoperative Fluid-Fill Measurement". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07653178. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*