Preoperative Ultra-hypofractionated Radiotherapy Followed by Surgery for Retroperitoneal Sarcoma (FUSION-01)

NCT ID: NCT05224934

Last Updated: 2025-12-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-01-01

Study Completion Date

2027-12-31

Brief Summary

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To investigate the feasibility and peri-operative complications of preoperative hypo-fractionated radiotherapy followed by surgery for retroperitoneal sarcoma

Detailed Description

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Conditions

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Soft Tissue Sarcoma Retroperitoneal Sarcoma Radiotherapy Side Effect Ultra-hypofractionated Radiotherapy Stereotactic Ablative Radiotherapy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Ultra-hypofractionated radiotherapy

Patients receive ultra-hypo-fractionated radiotherapy with 25Gy to 50Gy in five fractions, followed by surgery done at 1 to 2 months post-RT

Group Type EXPERIMENTAL

ultra-hypofractionated radiotherapy

Intervention Type RADIATION

stereotactic ablative radiotherapy with 25 to 50Gy in five fractions given preoperatively

Interventions

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ultra-hypofractionated radiotherapy

stereotactic ablative radiotherapy with 25 to 50Gy in five fractions given preoperatively

Intervention Type RADIATION

Eligibility Criteria

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Inclusion Criteria

* Primary soft tissue sarcoma of retroperitoneal or infra-peritoneal spaces of pelvis
* Sarcoma not originated from bone structure, abdominal or gynecological viscera
* All disease can be included safely within one radiotherapy field
* Absence of extension through the sciatic notch or across the diaphragm
* Histologically proven, excluding the following subtypes: Gastro-intestinal stromal tumors (GIST), rhabdomyosarcoma, PNET or other small round blue cells sarcoma, osteosarcoma or chondrosarcoma, aggressive fibromatosis, sarcomatoid or metastatic carcinoma
* ECOG performance status 0 to 2
* American Society of Anesthesiologist (ASA) score ≤2
* Normal renal function: Calculated Creatinine Clearance ≥50ml/min(by Cockcroft-Gault formula)and functional contralateral kidney by differential renal isotope scan
* Normal bone marrow and hepatic function.
* Contraception was needed for female patients of child-bearing age, or male patients whose partner had child-bearing age
* expected life expectancy longer than 5 years
* Written consent form was given prior to treatment
* Can safely be treated by radiotherapy and surgery

Exclusion Criteria

* metastatic disease
* Tumor was previously treated by radiotherapy
* Involvement of liver, pancreatic head or duodenum
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Cancer Institute and Hospital, Chinese Academy of Medical Sciences

OTHER

Sponsor Role lead

Responsible Party

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NINGNING LU

Principle Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Ning-Ning Lu

Role: PRINCIPAL_INVESTIGATOR

Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Locations

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Radiotherapy Department of Cancer Hospital, Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Site Status RECRUITING

Countries

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China

Central Contacts

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Ning-Ning Lu

Role: CONTACT

+868611804268

Shu-Lian Wang

Role: CONTACT

Facility Contacts

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Ningning Lu, Doctor

Role: primary

+86 01087787630

Shu-Lian Wang, M.D.

Role: backup

+86 01087788280

Other Identifiers

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NCC-007744

Identifier Type: -

Identifier Source: org_study_id

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