Trial Outcomes & Findings for Radiation Therapy Before Surgery for Localized, Resectable Soft Tissue Sarcoma of the Extremity and Superficial Trunk (NCT NCT04562480)

NCT ID: NCT04562480

Last Updated: 2026-02-04

Results Overview

Will be assessed by the number of patients who experience major wound complications within 120 days following surgery. Major wound complication is defined as secondary unplanned operation under general or regional anesthesia for wound repair (e.g., debridement, operative drainage, or secondary wound closure including rotationplasty, free flaps or skin grafts); or wound management without secondary operation including invasive procedures (e.g., aspiration of seroma or readmission for wound care such as intravenous antibiotics or persistent deep packing for 120 days or longer).

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

PHASE2

Target enrollment

120 participants

Primary outcome timeframe

Within 120 days of surgical resection of soft tissue sarcoma following preoperative radiation therapy

Results posted on

2026-02-04

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Overall Study
STARTED
120
Overall Study
COMPLETED
119
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Radiation Therapy Before Surgery for Localized, Resectable Soft Tissue Sarcoma of the Extremity and Superficial Trunk

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=119 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Age, Continuous
63.8 years
n=41 Participants
Sex: Female, Male
Female
63 Participants
n=41 Participants
Sex: Female, Male
Male
56 Participants
n=41 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
6 Participants
n=41 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
108 Participants
n=41 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
5 Participants
n=41 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
n=41 Participants
Race (NIH/OMB)
Asian
4 Participants
n=41 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=41 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=41 Participants
Race (NIH/OMB)
White
106 Participants
n=41 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=41 Participants
Race (NIH/OMB)
Unknown or Not Reported
7 Participants
n=41 Participants
Region of Enrollment
United States
119 participants
n=41 Participants

PRIMARY outcome

Timeframe: Within 120 days of surgical resection of soft tissue sarcoma following preoperative radiation therapy

Population: Two patients treated with radiation therapy came off study before surgery because of death.

Will be assessed by the number of patients who experience major wound complications within 120 days following surgery. Major wound complication is defined as secondary unplanned operation under general or regional anesthesia for wound repair (e.g., debridement, operative drainage, or secondary wound closure including rotationplasty, free flaps or skin grafts); or wound management without secondary operation including invasive procedures (e.g., aspiration of seroma or readmission for wound care such as intravenous antibiotics or persistent deep packing for 120 days or longer).

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Major Wound Complications
No
90 Participants
Major Wound Complications
Yes
27 Participants

SECONDARY outcome

Timeframe: Up to 1 year

Defined as any radiographic or pathologic evidence of recurrent disease inside the clinical target volume (CTV) and/ or to within 3 cm from the edge of the CTV. Local failure rate at 5 years (LFR5) will be evaluated by the number of patients free of local failure/recurrence at 5 years.

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=119 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Local Failure Rate
2 Participants

SECONDARY outcome

Timeframe: up to 1 year

Defined as the time from registration to the earliest date of documentation of local recurrence, regional recurrence, distant recurrence, or death due to any cause

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Percent Probability of Disease-free Survival at 1 Year
86 Percent Probability
Interval 79.7 to 92.9

SECONDARY outcome

Timeframe: Up to 1 year

Defined as the time from registration date to death due to any cause

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Percent Probability of Overall Survival at 1 Year
97.0 Percent Probability
Interval 93.7 to 100.0

SECONDARY outcome

Timeframe: Between 3 months and 24 months after completion of hypofractionated preoperative radiation therapy

The descriptions and grading scales found in the revised National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 will be utilized for adverse event reporting. The rate of \>= grade 2 late adverse events will be estimated by the number of patients with a \>= grade 2 late adverse events.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Up to 1 years

Pattern of relapse will be evaluated by number of patients with patterns of tumor recurrence such as local recurrence, marginal recurrence, regional recurrence, distant metastasis, and second primary tumor.

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=119 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Pattern of Relapse
2 Participants

SECONDARY outcome

Timeframe: Up to 1 year

The descriptions and grading scales found in the revised NCI CTCAE version 5.0 will be utilized for adverse event reporting. The maximum grade for each type of adverse event will be recorded for each patient, and frequency tables will be reviewed to determine patterns.

Outcome measures

Outcome measures
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 Participants
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Incidence of Adverse Events
Grade 5
1 Participants
Incidence of Adverse Events
Grade 3
16 Participants
Incidence of Adverse Events
Grade 4
0 Participants

SECONDARY outcome

Timeframe: Baseline up to 24 months post-surgery

Results from the ten-item Patient Reported Outcomes Measurement Information System (PROMIS-10) questionnaire will be used to evaluate physical and mental health separately. The PROMIS-10 consists of ten items that measure physical health, physical functioning, general mental health, emotional distress, satisfaction with social activities and relationships, ability to carry out usual social activities and roles, pain, fatigue and overall quality of life.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline up to 24 months post-surgery

Results from the Toronto Extremity Salvage Score (TESS) questionnaire will be used to evaluate functional outcomes. The TESS was designed as a measure of the difficulty patients have performing routine daily activities. It consists of 31 items with responses from 1 (impossible to do) to 5 (not at all difficult).

Outcome measures

Outcome data not reported

Adverse Events

Treatment (Hypofractionated Radiation Therapy, Resection)

Serious events: 49 serious events
Other events: 117 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 participants at risk
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Blood and lymphatic system disorders
Anemia
0.85%
1/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Nausea
1.7%
2/117 • Number of events 2 • Up to 1 year
General disorders
Death NOS
0.85%
1/117 • Number of events 1 • Up to 1 year
General disorders
Fatigue
9.4%
11/117 • Number of events 12 • Up to 1 year
General disorders
Localized edema
0.85%
1/117 • Number of events 1 • Up to 1 year
Infections and infestations
Lung infection
0.85%
1/117 • Number of events 1 • Up to 1 year
Infections and infestations
Skin infection
0.85%
1/117 • Number of events 1 • Up to 1 year
Musculoskeletal and connective tissue disorders
Joint range of motion decreased
17.9%
21/117 • Number of events 36 • Up to 1 year
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Tumor pain
12.8%
15/117 • Number of events 18 • Up to 1 year
Respiratory, thoracic and mediastinal disorders
Pneumothorax
0.85%
1/117 • Number of events 1 • Up to 1 year
Skin and subcutaneous tissue disorders
Skin hyperpigmentation
0.85%
1/117 • Number of events 1 • Up to 1 year
Vascular disorders
Lymphedema
6.0%
7/117 • Number of events 12 • Up to 1 year

Other adverse events

Other adverse events
Measure
Treatment (Hypofractionated Radiation Therapy, Resection)
n=117 participants at risk
Patients undergo hypofractionated radiation therapy QD (except weekends and holidays) over 3 weeks for a total of 15 fractions. Within 3-6 weeks after completion of radiation therapy, patients undergo surgical resection.
Skin and subcutaneous tissue disorders
Skin hyperpigmentation
69.2%
81/117 • Number of events 205 • Up to 1 year
Skin and subcutaneous tissue disorders
Telangiectasia
0.85%
1/117 • Number of events 1 • Up to 1 year
Vascular disorders
Lymphedema
24.8%
29/117 • Number of events 74 • Up to 1 year
Gastrointestinal disorders
Anal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Anal ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Colonic perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Colonic stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Colonic ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Diarrhea
0.85%
1/117 • Number of events 1 • Up to 1 year
Gastrointestinal disorders
Duodenal perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Duodenal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Duodenal ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Enterovesical fistula
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Gastric perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Gastric stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Gastric ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Ileal fistula
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Ileal perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Ileal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Ileal ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Jejunal fistula
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Jejunal perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Jejunal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Jejunal ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Nausea
2.6%
3/117 • Number of events 4 • Up to 1 year
Gastrointestinal disorders
Rectal fistula
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Rectal perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Rectal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Rectal ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Small intestinal perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Small intestinal stenosis
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Small intestine ulcer
1.7%
2/117 • Number of events 2 • Up to 1 year
Gastrointestinal disorders
Vomiting
0.85%
1/117 • Number of events 1 • Up to 1 year
General disorders
Edema limbs
0.85%
1/117 • Number of events 1 • Up to 1 year
General disorders
Fatigue
73.5%
86/117 • Number of events 142 • Up to 1 year
General disorders
Localized edema
45.3%
53/117 • Number of events 129 • Up to 1 year
General disorders
Pain
0.85%
1/117 • Number of events 1 • Up to 1 year
Infections and infestations
Sepsis
0.85%
1/117 • Number of events 1 • Up to 1 year
Infections and infestations
Wound infection
1.7%
2/117 • Number of events 2 • Up to 1 year
Injury, poisoning and procedural complications
Dermatitis radiation
70.9%
83/117 • Number of events 122 • Up to 1 year
Injury, poisoning and procedural complications
Fracture
4.3%
5/117 • Number of events 7 • Up to 1 year
Musculoskeletal and connective tissue disorders
Fibrosis deep connective tissue
42.7%
50/117 • Number of events 137 • Up to 1 year
Musculoskeletal and connective tissue disorders
Joint range of motion decreased
55.6%
65/117 • Number of events 162 • Up to 1 year
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Tumor pain
49.6%
58/117 • Number of events 90 • Up to 1 year
Renal and urinary disorders
Bladder perforation
1.7%
2/117 • Number of events 2 • Up to 1 year
Renal and urinary disorders
Urinary fistula
1.7%
2/117 • Number of events 2 • Up to 1 year

Additional Information

Safia K. Ahmed, MD

Mayo Clinic

Phone: 507-284-2511

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place