Trial Outcomes & Findings for Intensity Modulated Radiation Therapy (IMRT) Radiotherapy for Treating Prostate Pelvic Nodes (NCT NCT00214136)

NCT ID: NCT00214136

Last Updated: 2021-08-04

Results Overview

Tolerances to high dose RT to Pelvic Lymph nodes in treatment of prostate cancer; measured by participants experiencing expected toxicities.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

30 participants

Primary outcome timeframe

Up to 5 years

Results posted on

2021-08-04

Participant Flow

This study enrolled patients with high-risk prostate adenocarcinoma or radiographic evidence of pelvic lymph node involvement but absence of distal metastases from the Midwest. The last patient completed in February 2016.

All participants are assigned to the experimental arm.

Participant milestones

Participant milestones
Measure
Experimental
Pelvic nodal and prostatic image-guided IMRT was delivered to high pelvic nodal risk participants to a nodal dose of 56 Gy in 2-Gy fractions with concomitant treatment of the prostate to 70 Gy in 28 fractions of 2.5 Gy
Overall Study
STARTED
30
Overall Study
COMPLETED
25
Overall Study
NOT COMPLETED
5

Reasons for withdrawal

Reasons for withdrawal
Measure
Experimental
Pelvic nodal and prostatic image-guided IMRT was delivered to high pelvic nodal risk participants to a nodal dose of 56 Gy in 2-Gy fractions with concomitant treatment of the prostate to 70 Gy in 28 fractions of 2.5 Gy
Overall Study
Death
5

Baseline Characteristics

Intensity Modulated Radiation Therapy (IMRT) Radiotherapy for Treating Prostate Pelvic Nodes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Experimental
n=30 Participants
Pelvic nodal and prostatic image-guided IMRT was delivered to high pelvic nodal risk participants to a nodal dose of 56 Gy in 2-Gy fractions with concomitant treatment of the prostate to 70 Gy in 28 fractions of 2.5 Gy
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
10 Participants
n=5 Participants
Age, Categorical
>=65 years
20 Participants
n=5 Participants
Sex: Female, Male
Female
0 Participants
n=5 Participants
Sex: Female, Male
Male
30 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
30 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
Race (NIH/OMB)
White
30 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
United States
30 participants
n=5 Participants
T stage
T1c
9 Participants
n=5 Participants
T stage
T2a
3 Participants
n=5 Participants
T stage
T2b,c
7 Participants
n=5 Participants
T stage
T3a,b
5 Participants
n=5 Participants
T stage
T4
1 Participants
n=5 Participants
T stage
Not reported
5 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Up to 5 years

Population: Only 25 of 30 participants met the minimum follow up thresholds at the time of analysis; the 5 most recently accrued participants' data was not analyzed and is not reflected.

Tolerances to high dose RT to Pelvic Lymph nodes in treatment of prostate cancer; measured by participants experiencing expected toxicities.

Outcome measures

Outcome measures
Measure
Experimental
n=25 Participants
Pelvic nodal and prostatic image-guided IMRT was delivered to high pelvic nodal risk participants to a nodal dose of 56 Gy in 2-Gy fractions with concomitant treatment of the prostate to 70 Gy in 28 fractions of 2.5 Gy
Number of Participants Experiencing Expected Toxicities
13 Participants

SECONDARY outcome

Timeframe: 5 years

Population: Data was not collected for this outcome measure. Results can not be reported or analyzed.

Clinically evaluate local tumor control and biochemical progression-free and metastasis-free survivals.

Outcome measures

Outcome data not reported

Adverse Events

Experimental

Serious events: 0 serious events
Other events: 13 other events
Deaths: 6 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Experimental
n=25 participants at risk
Pelvic nodal and prostatic image-guided IMRT was delivered to high pelvic nodal risk participants to a nodal dose of 56 Gy in 2-Gy fractions with concomitant treatment of the prostate to 70 Gy in 28 fractions of 2.5 Gy
Gastrointestinal disorders
Acute GI Grade 1
52.0%
13/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Gastrointestinal disorders
Acute GI Grade 2
32.0%
8/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Gastrointestinal disorders
Late GI Grade 1
20.0%
5/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Gastrointestinal disorders
Late GI Grade 2
8.0%
2/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Renal and urinary disorders
Acute GU Grade 1
52.0%
13/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Renal and urinary disorders
Acute GU Grade 2
40.0%
10/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Renal and urinary disorders
Late GU Grade 1
36.0%
9/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Renal and urinary disorders
Late GU Grade 2
20.0%
5/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.
Renal and urinary disorders
Late GU Grade 3
4.0%
1/25 • Participants were followed up 1 month upon completion, every 3 months for 1 year after treatment, every 4 months during Years 2 and 3, every 6 months during Years 4 and 5, and then annually, with median follow up time as 25.4 months (range, 4.2 - 57.2 months). Bone scans and CT during follow-ups were not routinely performed but were carried out in the context of rising PSA levels. Of 30 participants, only 25 met the minimum follow up thresholds at the time of analysis.
Toxicity grading is based on a modified RTOG acute/late toxicity grading criteria. Serious adverse events are defined as all Grade 4 and Grade 5 toxicities. Acute toxicities are scored from the start of radiation to 90 days after completion of radiation. Late toxicities are scored \> 90 days from the completion of radiation therapy for 5 years.

Additional Information

Dr. Mark A. Ritter

University of Wisconsin Carbone Cancer Center

Phone: 608-263-8500

Results disclosure agreements

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