Trial Outcomes & Findings for Endoesophageal Brachytherapy for Patients With Esophageal Cancer (NCT NCT03335813)

NCT ID: NCT03335813

Last Updated: 2022-06-09

Results Overview

Percent of prescription dose received by 90% of PTV (planning target volume)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

7 participants

Primary outcome timeframe

Up to 6 months of follow-up

Results posted on

2022-06-09

Participant Flow

Participant milestones

Participant milestones
Measure
Brachytherapy With Multichannel Balloon Applicator
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Overall Study
STARTED
7
Overall Study
COMPLETED
6
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Brachytherapy With Multichannel Balloon Applicator
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Overall Study
Withdrawal by Subject
1

Baseline Characteristics

Endoesophageal Brachytherapy for Patients With Esophageal Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Brachytherapy With Multichannel Balloon Applicator
n=7 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=99 Participants
Age, Categorical
>=65 years
7 Participants
n=99 Participants
Sex: Female, Male
Female
1 Participants
n=99 Participants
Sex: Female, Male
Male
6 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
Race (NIH/OMB)
Asian
0 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=99 Participants
Race (NIH/OMB)
White
7 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
Region of Enrollment
United States
7 participants
n=99 Participants

PRIMARY outcome

Timeframe: Up to 6 months of follow-up

Population: Number of participants who received treatment

Percent of prescription dose received by 90% of PTV (planning target volume)

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Dose of Radiation Delivered to 90% of Tumor Volume (D90)
105.5 percentage of Prescription dose
Interval 69.84 to 115.34

PRIMARY outcome

Timeframe: Up to 6 months of follow-up

Population: Number of participants who received treatment

Percent volume of the tumor receiving 100% of the prescription dose calculated as the mean from the total weekly HDR brachytherapy treatment plans

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Percent Volume of the Tumor Receiving the Prescription Dose (V100)
94.3 percentage of volume
Interval 66.0 to 97.9

SECONDARY outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: Number of Participants who received treatment

Volume of tissue, both tumor plus normal tissue volume, receiving 100% of the prescription dose

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Radiation Treatment Volume
52.13 cc
Interval 38.93 to 90.4

SECONDARY outcome

Timeframe: Up to 6 months of follow-up

Population: Number of Participants who had tumors in proximity to the specified organ

Dose to 1cc volume of the trachea-mainstem bronchus calculated as the mean dose from the total weekly HDR brachytherapy treatment plans for the 4 participants who had tumors in proximity to the trachea or mainstem bronchus.

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=4 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Dose of Radiation to Organ at Risk (Bronchus)
2.38 Gy
Interval 0.76 to 3.79

SECONDARY outcome

Timeframe: Up to 6 months of follow-up

Population: Number of Participants who had tumors in proximity to the specified organ

Dose to 1 cc volume of the heart calculated as the mean dose from the total weekly HDR brachytherapy treatment plans for the 4 participants who had tumors in proximity to the heart.

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=4 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Dose of Radiation to Organ at Risk (Heart)
3.22 Gy
Interval 2.44 to 4.18

SECONDARY outcome

Timeframe: Up to 6 months of follow-up

Population: Number of Participants who had tumors in proximity to the specified organ

Dose to 1 cc volume of the aorta calculated as the mean dose from the total weekly HDR brachytherapy treatment plans for the 6 participants who had tumors in proximity to the aorta.

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Dose of Radiation to Organ at Risk (Aorta)
3.19 Gy
Interval 1.86 to 5.62

SECONDARY outcome

Timeframe: Up to 6 months of follow-up

Population: All Participants who received treatment

Tumor response determined by endoscopic evaluation of tumor at time of last brachytherapy treatment. Endoscopic CR is defined as no visible tumor at end of treatment -on endoscopy exam and PR is defined as a persistent tumor at the end of treatment.

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Tumor Response Based on Resist Criteria
Endoscopic CR
5 Participants
Tumor Response Based on Resist Criteria
Endoscopic PR
1 Participants

SECONDARY outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: All Participants who received treatment

Presence of an ulceration of the mucosa in area of brachytherapy treatment

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Number of Participants With Esophageal Ulceration
5 Participants

SECONDARY outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: All Participants who received treatment

Presence of a fistula between the esophagus and trachea, mainstem bronchus or mediastinum

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Number of Participants With Esophageal Fistula
0 Participants

SECONDARY outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: All Participants who received treatment

Presence of an esophageal stricture

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Number of Particiapants With Esophageal Stricture
3 Participants

SECONDARY outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: All participants who received treatment

Number of participants with the need for esophageal dilation

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Number of Participants With the Need for Dilation
3 Participants

POST_HOC outcome

Timeframe: Up to 6 cycles (6 weeks) of treatment

Population: Number of participants who received treatment

Need for esophageal stent

Outcome measures

Outcome measures
Measure
Brachytherapy With Multichannel Balloon Applicator
n=6 Participants
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
Number of Participants With Need for Stent Placement
2 Participants

Adverse Events

Brachytherapy With Multichannel Balloon Applicator

Serious events: 5 serious events
Other events: 0 other events
Deaths: 5 deaths

Serious adverse events

Serious adverse events
Measure
Brachytherapy With Multichannel Balloon Applicator
n=7 participants at risk
6 channel balloon re-positioning, multichannel brachytherapy applicator used to deliver localized radiation therapy to esophageal tumors Endoesophageal Brachytherapy: Balloon repositioning, multichannel brachytherapy applicator which has 6 channels instead of 3-tubes which will be used to deliver localized radiation
General disorders
Death, NOS
14.3%
1/7 • 6 months

Other adverse events

Adverse event data not reported

Additional Information

Dr. John Greskovich

Cleveland Clinic Taussig Cancer Institute, Case Comprehensive Cancer Center

Phone: 1-866-223-8100

Results disclosure agreements

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