Prostatic NeoplasmsPhase 2NCT00040365

Amifostine to Protect the Rectum During External Beam Radiotherapy for Prostate Cancer

A Phase 2 study testing Amifostine trihydrate and Radiation therapy in people with Prostatic Neoplasms, run by National Cancer Institute (NCI) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record

Search all trials

Trial summary

Who is it for?: Ages 18 years and older, men only
Conditions the study is for: Prostatic Neoplasms
What is being tested?: Amifostine trihydrate and Radiation therapy
Type of treatment: Injection or infusion, Surgery or procedure
Could I receive a placebo?: No, everyone receives an active treatment
How many people: 30 participants
Where: 1 siteUnited States
Study dates: Jun 2002to Jun 2011
Phase: Phase 2
Are there results?: Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

Ages 18 years and older
Men only
No healthy volunteers
Adult, Older adult

Who may be able to join

Pathologically confirmed adenocarcinoma of the prostate gland.
Age greater than or equal to 18 years.
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
Informed consent: All patients must sign a document of informed consent indicating their understanding of the investigational nature and risks of the study before any protocol related studies are performed (this does not include routine laboratory tests or imaging studies required to establish eligibility).

Who cannot join

Other active malignancy (except for non-melanoma skin cancer).
Patient with a prior history of pelvic or prostate radiotherapy.
Patients with chronic inflammatory bowel disease.
Patients with distant metastatic disease.
Cognitively impaired patients who cannot give informed consent.
Human Immunodeficiency Virus (HIV) positivity.
Other medical conditions deemed by the principal investigator (PI) or associates to make the patient ineligible for high dose radiotherapy.

Trial locations and contacts

1 site in 1 country.

United States1 site

National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: Amifostine as a Rectal Protector During External Beam Radiotherapy for Prostate Cancer: A Phase II Study

This study will evaluate the safety and effectiveness of a drug called amifostine in reducing the bowel side effects of radiation treatment for prostate cancer. Amifostine is a 'radioprotector' medicine that to protects normal tissue from radiation damage. This study will determine whether placing amifostine in the rectum during radiation treatment for prostate cancer can decrease common side effects of treatment, including diarrhea, painful bowel movements, bleeding, and gas.

Patients 18 years of age or older with prostate cancer may be eligible for this study. Candidates will be screened with a medical history and physical examination, blood tests, bone scan if a recent one is not available, and possibly computed tomography (CT) and magnetic resonance imaging (MRI) scans of the pelvis. They will also have a liquid retention test, in which they are given an enema of 4 tablespoons of salt water that they must retain for 20 minutes.

Participants will receive standard radiation therapy for prostate cancer-5 consecutive days for 8 weeks-in the National Institutes of Health (NIH) Radiation Oncology Clinic. Amifostine will be placed in the rectum by a mini-enema before each radiation treatment so that it covers the lining of the rectum. To determine the side effects of the treatment, patients will undergo a proctoscopic examination before beginning radiation therapy, two times during therapy, and at each follow-up visit for 5 years after treatment ends. This examination involves inserting a proctoscope (a thin flexible tube with a light at the end) into the rectum and taking pictures.

Patients will be followed in the clinic at visits scheduled 1, 3, 6, 12, 18, 24, 36, 48, and 60 months after treatment for a physical examination and routine blood tests, proctoscopic examination, and review of bowel symptoms.

Read the detailed description

Normal tissue tolerance of the rectum limits the dose of radiation that can be delivered to the prostate for curative treatment of prostate cancer. Amifostine is a radioprotector, an agent that reduces tissue damage incurred by ionizing radiation. It has been well studied in humans and is approved for intravenous use. Rectal administration results in a preferential accumulation of Amifostine in the rectal mucosa, and neither free parent compound nor free active metabolite have been detected in systemic circulation. This trial proposes to observe the rate of early and late bowel toxicity in a group of patients with prostate cancer receiving standard high dose, 3D conformal external beam radiotherapy and concurrent intra-rectal applications of Amifostine. Primary measures of rectal toxicity (RTOG radiation morbidity scoring) will also be compared with self-assessment measures of quality of life, and rectal radiation dose as assessed by dose-volume histograms.

Conditions: Prostatic Neoplasms
Being tested: Amifostine trihydrate, Radiation therapy
Keywords: Prostate Cancer, Radiation Therapy, Rectal Toxicity, Amifostine, Radioprotector
Medical subject headings: Prostatic Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Amifostine trihydrateDrug
Also called Ethyol
1000 mg for the first 18 patients. 2000 mg for the last 12 patients. The syringe of amifostine will be connected to a rectal enema bottle for administration. Administered slowly over 30-60 seconds with the patient in recumbent position 30-45 minutes prior to each radiation treatment (33-39 doses).
Radiation therapyRadiation
Also called radiotherapy, irradiation, x-ray therapy
The treatment will be delivered in at least two phases. The first field reduction will occur after 46Gy and the second field reduction will occur after 70Gy.

Study groups in NCT00040365
Study group	Role	What they receive
Amifostine	Experimental	1000 mg for the first 18 patients. 2000 mg for the last 12 patients. The syringe of amifostine will be connected to a rectal enema bottle for administration. Administered slowly over 30-60 seconds with the patient in recumbent position 30-45 minutes prior to each radiation treatment (33-39 doses). Receives: Drug: Amifostine trihydrate; Radiation: Radiation therapy

What is being measured

The primary outcome is the main question the study is designed to answer.

Percentage of Participants With a Good Toxicity Outcome Who Experienced an Acute Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer.
A good toxicity outcome is defined as having less than grade 2 on both weeks 5 and 7 of treatment. The Radiation Therapy Oncology Group (RTOG) Acute radiation morbidity scoring scheme and the Rectal Mucosal Toxicity response criteria will be used to assess rectal toxicity. The RTOG measures the rectal toxicities. The physician assigns a grade based on symptoms reported by the patient. For details about the RTOG (method and scoring of radiation morbidity, etc.) see http://www.rtog.org/ResearchAssociates/AdverseEventReporting/AcuteRadiationMorbidityScoringCriteria.aspx
Measured: RTOG Acute was used on week 5 and 7

Secondary outcomes (5)

Percentage of Participants With a Good Toxicity Outcome Who Experienced Late Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer.
A good toxicity outcome is defined as having less than grade 2 on both weeks 5 and 7 of treatment. Week 5, 7 were during treatment measuring acute toxicity. The Radiation Therapy Oncology Group (RTOG) Acute radiation morbidity scoring scheme and the Rectal Mucosal Toxicity response criteria will be used to assess rectal toxicity. The RTOG measures the rectal toxicities. The physician assigns a grade based on symptoms reported by the patient. For details about the RTOG see http://www.rtog.org/ResearchAssociates/AdverseEventReporting/AcuteRadiationMorbidityScoringCriteria.aspx.
Measured: The late rectal toxicity has been assessed at 1, 3, 6, 12, 18, 24, 36, and 60 months after the completion of treatment.
Number of Participants With Adverse Events
Here are the number of participants with adverse events. For the detailed list of adverse events see the adverse event module.
Measured: 3 years
Expanded Prostate Cancer Index Composite (EPIC) Bowel Assessment Over Time (Late Follow-up 18 Months)
The EPIC bowel assessment is a 26 item short form evaluation that assess patient function and bother after prostate treatment. The Expanded Prostate Cancer Index Composite is a self assessment questionnaire designed to measure quality of life in patients with prostate cancer. The questionnaire is scored on a scale of 0-100 with higher scores correlated with higher function and quality of life. For this study, the Bowel Domain was analyzed alongside the RTOG acute and late gastrointestinal morbidity scores. For details re: EPIC, see http://www.med.umich.edu/urology/research/EPIC/EPIC-2.2002.pdf
Measured: 18 months
Measures of Quality of Life (QOL)-(Late Follow-up 18 Months)
Radiation toxicity consists of the Radiation Therapy Oncology Group(RTOG)acute(within 90 days of treatment)and RTOG late(>90days after treatment). This scoring system assigns a toxicity grade (0-4) based on symptoms with 0 being the best outcome. The Expanded Prostate Cancer Index Composite(EPIC) questionnaire consists of 50 quality of life items divided into 4 domains, urinary, bowel, sexual and hormonal. Each independent domain renders a scoring of 0-100 with 100 being the best score. The EPIC and RTOG scores were correlated not combined.
Measured: Baseline, week 5, 7 , and months 1, 3, 6, 12, and 18
Number of Participants Who Had Proctoscopic Examinations
Proctoscopic scoring of mucosal change was performed according to a descriptive scale, described by Wachter et al, which assigns grades of mucosal congestion, telangiectasia, ulcerations, stricture, and necrosis.
Measured: 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

Jun 2002Jun 2011

First posted26 Jun 2002 (estimated)
Study startJun 2002
Primary completionMay 2010
Study completionJun 2011

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
Publications (9)Papers the sponsor has linked to this study.
Other trials for Prostatic NeoplasmsStudies of the same condition, open and under way.
More trials run by National Cancer Institute (NCI)The sponsor's other registered studies.
What the trial phases meanHow a treatment moves from first tests in people to approval.

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design

Study type: Interventional
Phase: Phase 2
Primary purpose: Supportive care
Allocation: Non-randomised
Intervention model: Single group
Masking: None (open label)
Enrolment: 30 participants (actual)

IDs, dates and publications

ClinicalTrials.gov ID: NCT00040365
Sponsor's protocol ID: 020215
Other IDs: 02-C-0215
Status last verified: Apr 2012
First submitted: 25 Jun 2002
Last updated: 30 Apr 2012
Results posted: Yes, on ClinicalTrials.gov
Data monitoring committee: No

Publications

Greenlee RT, Hill-Harmon MB, Murray T, Thun M. Cancer statistics, 2001. CA Cancer J Clin. 2001 Jan-Feb;51(1):15-36. doi: 10.3322/canjclin.51.1.15.
PubMed 11577478
Fuks Z, Leibel SA, Wallner KE, Begg CB, Fair WR, Anderson LL, Hilaris BS, Whitmore WF. The effect of local control on metastatic dissemination in carcinoma of the prostate: long-term results in patients treated with 125I implantation. Int J Radiat Oncol Biol Phys. 1991 Aug;21(3):537-47. doi: 10.1016/0360-3016(91)90668-t.
PubMed 1869452
Pollack A, Smith LG, von Eschenbach AC. External beam radiotherapy dose response characteristics of 1127 men with prostate cancer treated in the PSA era. Int J Radiat Oncol Biol Phys. 2000 Sep 1;48(2):507-12. doi: 10.1016/s0360-3016(00)00620-9.
PubMed 10974469
Simone NL, Menard C, Soule BP, Albert PS, Guion P, Smith S, Godette D, Crouse NS, Sciuto LC, Cooley-Zgela T, Camphausen K, Coleman CN, Singh AK. Intrarectal amifostine during external beam radiation therapy for prostate cancer produces significant improvements in Quality of Life measured by EPIC score. Int J Radiat Oncol Biol Phys. 2008 Jan 1;70(1):90-5. doi: 10.1016/j.ijrobp.2007.05.057. Epub 2007 Sep 12.
PubMed 17855015
Simone, NL; Soule, BP; Ménard, C; Albert, P; Guion, P; Smith, S; Godette, D; Coleman, CN; Singh, AK. Assessing Rectal Toxicity in a Pilot Study using Intrarectal Amifostine and Concurrent Radiation. 42nd annual meeting of the American society of clinical oncology, Atlanta, GA, June 2006.
Menard C, Camphausen K, Muanza T, Sears-Crouse N, Smith S, Ben-Josef E, Coleman CN. Clinical trial of endorectal amifostine for radioprotection in patients with prostate cancer: rationale and early results. Semin Oncol. 2003 Dec;30(6 Suppl 18):63-7. doi: 10.1053/j.seminoncol.2003.11.016.
PubMed 14727242
Singh AK, Menard C, Guion P, Simone NL, Smith S, Crouse NS, Godette DJ, Cooley-Zgela T, Sciuto LC, Coleman J, Pinto P, Albert PS, Camphausen K, Coleman CN. Intrarectal amifostine suspension may protect against acute proctitis during radiation therapy for prostate cancer: a pilot study. Int J Radiat Oncol Biol Phys. 2006 Jul 15;65(4):1008-13. doi: 10.1016/j.ijrobp.2006.02.030. Epub 2006 May 26.
PubMed 16730138
Simone NL, Ménard C, Singh AK, Guion P, Smith S, Crouse NS, Godette D, Cooley-Zgela T, Sciuto LC, Coleman J, Pinto, P, Albert PS, Camphausen K, Coleman CN. Intrarectal amifostine suspension may protect against acute proctitis during radiation therapy for prostate cancer: oral presentation at 91st scientific assembly and annual meeting of the radiological society of North America, Chicago, IL, 2005.
Muanza TM, Albert PS, Smith S, Godette D, Crouse NS, Cooley-Zgela T, Sciuto L, Camphausen K, Coleman CN, Menard C. Comparing measures of acute bowel toxicity in patients with prostate cancer treated with external beam radiation therapy. Int J Radiat Oncol Biol Phys. 2005 Aug 1;62(5):1316-21. doi: 10.1016/j.ijrobp.2004.12.083.
PubMed 16029787

Want to know more?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

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Study at a glance

From the registry record, last updated by the sponsor on 30 Apr 2012. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title: Amifostine as a Rectal Protector During External Beam Radiotherapy for Prostate Cancer: A Phase II Study
ClinicalTrials.gov ID: NCT00040365
Acronym / sponsor ID: 020215
Conditions: Prostatic Neoplasms
Keywords: Prostate Cancer, Radiation Therapy, Rectal Toxicity, Amifostine, Radioprotector
Phase: Phase 2
Study type: Interventional
Recruitment status: Completed
Enrolment: 30 participants (actual)
Lead sponsor: National Cancer Institute (NCI)US National Institutes of Health
Study start: Jun 2002
Primary completion: May 2010 (actual)
Study completion: Jun 2011 (actual)
First posted: 26 Jun 2002 (estimated)
Results: Posted 29 Mar 2012

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

Detailed description

Study design

Primary purpose: Supportive care
Allocation: Non-randomised
Intervention model: Single group
Masking: None (open label)
Number of arms: 1

Arm	Type	Receives
Amifostine	Experimental	Drug: Amifostine trihydrate, Radiation: Radiation therapy1000 mg for the first 18 patients. 2000 mg for the last 12 patients. The syringe of amifostine will be connected to a rectal enema bottle for administration. Administered slowly over 30-60 seconds with the patient in recumbent position 30-45 minutes prior to each radiation treatment (33-39 doses).

Who may qualify

Ages: 18 years and older
Sex: Male only
Healthy volunteers: Not accepted
Age groups: Adult, Older adult

Key inclusion criteria (4 listed)

Pathologically confirmed adenocarcinoma of the prostate gland.
Age greater than or equal to 18 years.
Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
Informed consent: All patients must sign a document of informed consent indicating their understanding of the investigational nature and risks of the study before any protocol related studies are performed (this does not include routine laboratory tests or imaging studies required to establish eligibility).

Key exclusion criteria (7 listed)

Other active malignancy (except for non-melanoma skin cancer).
Patient with a prior history of pelvic or prostate radiotherapy.
Patients with chronic inflammatory bowel disease.
Patients with distant metastatic disease.
Cognitively impaired patients who cannot give informed consent.

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Interventions

Intervention	Type	Arms
Amifostine trihydrateAlso: Ethyol1000 mg for the first 18 patients. 2000 mg for the last 12 patients. The syringe of amifostine will be connected to a rectal enema bottle for administration. Administered slowly over 30-60 seconds with the patient in recumbent position 30-45 minutes prior to each radiation treatment (33-39 doses).	Drug	Amifostine
Radiation therapyAlso: radiotherapy, irradiation, x-ray therapyThe treatment will be delivered in at least two phases. The first field reduction will occur after 46Gy and the second field reduction will occur after 70Gy.	Radiation	Amifostine

Primary outcome

Percentage of Participants With a Good Toxicity Outcome Who Experienced an Acute Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer.
Time frame: RTOG Acute was used on week 5 and 7
A good toxicity outcome is defined as having less than grade 2 on both weeks 5 and 7 of treatment. The Radiation Therapy Oncology Group (RTOG) Acute radiation morbidity scoring scheme and the Rectal Mucosal Toxicity response criteria will be used to assess rectal toxicity. The RTOG measures the rectal toxicities. The physician assigns a grade based on symptoms reported by the patient. For details about the RTOG (method and scoring of radiation morbidity, etc.) see http://www.rtog.org/ResearchAssociates/AdverseEventReporting/AcuteRadiationMorbidityScoringCriteria.aspx

5 secondary outcomes

Percentage of Participants With a Good Toxicity Outcome Who Experienced Late Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer.
Time frame: The late rectal toxicity has been assessed at 1, 3, 6, 12, 18, 24, 36, and 60 months after the completion of treatment.
Number of Participants With Adverse Events
Time frame: 3 years
Expanded Prostate Cancer Index Composite (EPIC) Bowel Assessment Over Time (Late Follow-up 18 Months)
Time frame: 18 months
Measures of Quality of Life (QOL)-(Late Follow-up 18 Months)
Time frame: Baseline, week 5, 7 , and months 1, 3, 6, 12, and 18
Number of Participants Who Had Proctoscopic Examinations
Time frame: 3 years

Results and safety

Results posted to the registry on 29 Mar 2012, as reported by the sponsor. Figures are copied from the record, not re-analysed. Full results on ClinicalTrials.gov.

Participant flow

Group	Started	Completed
Amifostine	30	19

Primary outcome: Percentage of Participants With a Good Toxicity Outcome Who Experienced an Acute Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer.

Time frame: RTOG Acute was used on week 5 and 7. Number. Unit: Percentage of Participants

Measure	Amifostine n = 29
Value	20.69

Population analysed: Number of participants 29 versus 30 = One patient was taken off study due to tumor progression prior to the follow up period.

5 secondary outcomes are reported in the full results.

Adverse events

Time frame: 3 years. Other adverse events reported at 0% frequency or more

Group	Serious adverse events	Other adverse events	Deaths
Amifostine	1 of 30 (3.3%)	30 of 30 (100%)	Not reported

Loading the posted results from ClinicalTrials.gov…

Research links

Official record on ClinicalTrials.govLast updated by the sponsor 30 Apr 2012.
Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
Background: PubMed 11577478Greenlee RT, Hill-Harmon MB, Murray T, Thun M. Cancer statistics, 2001. CA Cancer J Clin. 2001 Jan-Feb;51(1):15-36. doi: 10.3322/canjclin.51.1.15.
Background: PubMed 1869452Fuks Z, Leibel SA, Wallner KE, Begg CB, Fair WR, Anderson LL, Hilaris BS, Whitmore WF. The effect of local control on metastatic dissemination in carcinoma of the prostate: long-term results in patients treated with 125I implantation. Int J Radiat Oncol Biol Phys. 1991 Aug;21(3):537-47. doi: 10.1016/0360-3016(91)90668-t.
Background: PubMed 10974469Pollack A, Smith LG, von Eschenbach AC. External beam radiotherapy dose response characteristics of 1127 men with prostate cancer treated in the PSA era. Int J Radiat Oncol Biol Phys. 2000 Sep 1;48(2):507-12. doi: 10.1016/s0360-3016(00)00620-9.
Results publication: PubMed 17855015Simone NL, Menard C, Soule BP, Albert PS, Guion P, Smith S, Godette D, Crouse NS, Sciuto LC, Cooley-Zgela T, Camphausen K, Coleman CN, Singh AK. Intrarectal amifostine during external beam radiation therapy for prostate cancer produces significant improvements in Quality of Life measured by EPIC score. Int J Radiat Oncol Biol Phys. 2008 Jan 1;70(1):90-5. doi: 10.1016/j.ijrobp.2007.05.057. Epub 2007 Sep 12.
Results publicationSimone, NL; Soule, BP; Ménard, C; Albert, P; Guion, P; Smith, S; Godette, D; Coleman, CN; Singh, AK. Assessing Rectal Toxicity in a Pilot Study using Intrarectal Amifostine and Concurrent Radiation. 42nd annual meeting of the American society of clinical oncology, Atlanta, GA, June 2006.
Results publication: PubMed 14727242Menard C, Camphausen K, Muanza T, Sears-Crouse N, Smith S, Ben-Josef E, Coleman CN. Clinical trial of endorectal amifostine for radioprotection in patients with prostate cancer: rationale and early results. Semin Oncol. 2003 Dec;30(6 Suppl 18):63-7. doi: 10.1053/j.seminoncol.2003.11.016.
Results publication: PubMed 16730138Singh AK, Menard C, Guion P, Simone NL, Smith S, Crouse NS, Godette DJ, Cooley-Zgela T, Sciuto LC, Coleman J, Pinto P, Albert PS, Camphausen K, Coleman CN. Intrarectal amifostine suspension may protect against acute proctitis during radiation therapy for prostate cancer: a pilot study. Int J Radiat Oncol Biol Phys. 2006 Jul 15;65(4):1008-13. doi: 10.1016/j.ijrobp.2006.02.030. Epub 2006 May 26.
Results publicationSimone NL, Ménard C, Singh AK, Guion P, Smith S, Crouse NS, Godette D, Cooley-Zgela T, Sciuto LC, Coleman J, Pinto, P, Albert PS, Camphausen K, Coleman CN. Intrarectal amifostine suspension may protect against acute proctitis during radiation therapy for prostate cancer: oral presentation at 91st scientific assembly and annual meeting of the radiological society of North America, Chicago, IL, 2005.
Results publication: PubMed 16029787Muanza TM, Albert PS, Smith S, Godette D, Crouse NS, Cooley-Zgela T, Sciuto L, Camphausen K, Coleman CN, Menard C. Comparing measures of acute bowel toxicity in patients with prostate cancer treated with external beam radiation therapy. Int J Radiat Oncol Biol Phys. 2005 Aug 1;62(5):1316-21. doi: 10.1016/j.ijrobp.2004.12.083.
NIH Clinical Center Detailed Web PageLink provided by the sponsor.
Medline PlusLink provided by the sponsor.
Drug InformationLink provided by the sponsor.

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Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.

Kevin A camphausen, M.D. principal investigator

National Cancer Institute (NCI)

1 site in 1 country: see every site and its status.

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Amifostine trihydrate and Radiation therapy in people with Prostatic Neoplasms, run by National Cancer Institute (NCI) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 30 Apr 2012. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 29 Mar 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Participants With a Good Toxicity Outcome Who Experienced an Acute Rectal Toxicity and Received Topical Administrations of Amifostine in Conjunction With High Dose, 3D Conformal Radiotherapy for Prostate Cancer. (time frame: RTOG Acute was used on week 5 and 7). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00040365, which also lists 9 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Apr 2012.