Phase I/II Hypofractionated Radiotherapy for Prostate Cancer

NCT ID: NCT00214097

Last Updated: 2019-11-25

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

347 participants

Study Classification

INTERVENTIONAL

Study Start Date

2002-10-14

Study Completion Date

2017-08-21

Brief Summary

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The purpose of this study is to examine the clinical feasibility of using Intensity-modulated radiation therapy (IMRT) combined with daily pretreatment prostate localization to deliver increasingly hypofractionated treatment courses. Progressively larger fraction sizes will be delivered in a phase I design based on both acute and long-term tolerances to the treatment. The dose-per-fraction escalation design utilizes schemas that maintain an isoeffective dose for late effects, while predicting that tumor control will actually improve. The delivery of fewer, larger fractions of radiation, if proven effective and safe, would result in significant cost saving and more efficient use of resources. Phase II will commence with Maximum Tolerated Dose (MTD) finding with up to 200 additional patients being enrolled during this phase of the study.

Detailed Description

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Conditions

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Prostate Cancer

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

dose escalation, 3 possible dose groups, with one Phase II group based on MTD.

Per protocol, while waiting for safety data to mature for escalation, protocol permitted enrollment to continue on last dose that was already proven safe. Thus Arms one and two have more than 50 subjects each.
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Level 1

64.7 Gy/22 fractions of 2.94 Gy

Group Type EXPERIMENTAL

Radiotherapy

Intervention Type RADIATION

Daily radiation to prescribed dose

Level 2

58.08 Gy/16 fractions of 3.63 Gy

Group Type EXPERIMENTAL

Radiotherapy

Intervention Type RADIATION

Daily radiation to prescribed dose

Level 3

51.6 Gy/12 fractions of 4.3 Gy

Group Type EXPERIMENTAL

Radiotherapy

Intervention Type RADIATION

Daily radiation to prescribed dose

Interventions

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Radiotherapy

Daily radiation to prescribed dose

Intervention Type RADIATION

Eligibility Criteria

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Inclusion Criteria

Histologically proven adenocarcinoma of the prostate.

* Stage ≤ T2b disease, as defined by 1997 American Joint Committee on Cancer (AJCC) classification
* Predicted risk of lymph node involvement (by standard nomograms) of 15% or less (24), OR histologically negative pelvic nodes
* Gleason score ≤ 7
* No evidence of distant metastasis
* Age 18+
* Informed consent signed in accordance with institutional protocol
* Pretreatment evaluations must be completed as specified in Section 7.0.
* ECOG performance status 0-1
* No previous or concurrent cancers, other than localized basal cell or squamous cell skin carcinoma, unless continually disease free for at least 5 years
* No prior pelvic irradiation, prostate brachytherapy, or bilateral orchiectomy
* Gonadotropin-releasing hormone agonist (GnRH-a) use permitted (maximum of 6 months duration). Anti-androgen therapy permitted concurrently with GnRH-a.
* No previous or concurrent cytotoxic chemotherapy
* No radical surgery or cryosurgery for prostate cancer
* The absence of any co-morbid medical condition which would constitute a contraindication for radical radiotherapy
* The absence of serious concurrent illness of psychological, familial, sociological, geographical or other concomitant conditions which do not permit adequate follow-up and compliance with the study protocol.
* No current use of anticoagulation therapy, other than aspirin.
Minimum Eligible Age

18 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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University of Wisconsin, Madison

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Mark Ritter, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Wisconsin, Madison

Locations

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University of Wisconsin Hospital and Clinics

Madison, Wisconsin, United States

Site Status

Countries

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United States

References

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Brower JV, Forman JD, Kupelian PA, Petereit DG, Gondi V, Lawton CA, Anger N, Saha S, Chappell R, Ritter MA. Quality of life outcomes from a dose-per-fraction escalation trial of hypofractionation in prostate cancer. Radiother Oncol. 2016 Jan;118(1):99-104. doi: 10.1016/j.radonc.2015.12.018. Epub 2016 Jan 2.

Reference Type RESULT
PMID: 26755165 (View on PubMed)

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Related Links

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https://cancer.wisc.edu/

University of Wisconsin Carbone Cancer Center

Other Identifiers

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NCI (P01 CA88960)

Identifier Type: -

Identifier Source: secondary_id

2002-322

Identifier Type: OTHER

Identifier Source: secondary_id

A533300

Identifier Type: OTHER

Identifier Source: secondary_id

SMPH/HUMAN ONCOLOGY

Identifier Type: OTHER

Identifier Source: secondary_id

RO02803

Identifier Type: -

Identifier Source: org_study_id

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