NCT00931528

Brief Summary

RATIONALE: Tadalafil may help prevent erectile dysfunction (ED) in patients with prostate cancer that has been treated with radiation therapy. It is not yet known whether tadalafil is more effective than a placebo in preventing erectile dysfunction. PURPOSE: This randomized phase III trial is studying tadalafil to see how well it works compared with a placebo in preventing erectile dysfunction in patients with prostate cancer treated with radiation therapy.

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
242

participants targeted

Target at P25-P50 for phase_3 prostate-cancer

Timeline
Completed

Started Nov 2009

Geographic Reach
2 countries

192 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 30, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 2, 2009

Completed
4 months until next milestone

Study Start

First participant enrolled

November 1, 2009

Completed
3.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2012

Completed
1.9 years until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2014

Completed
1.7 years until next milestone

Results Posted

Study results publicly available

July 27, 2016

Completed
Last Updated

February 14, 2018

Status Verified

January 1, 2018

Enrollment Period

3.1 years

First QC Date

June 30, 2009

Results QC Date

April 18, 2016

Last Update Submit

January 18, 2018

Conditions

Keywords

sexual dysfunctionstage IIB prostate cancerstage IIA prostate canceradenocarcinoma of the prostate

Outcome Measures

Primary Outcomes (1)

  • Percentage of Patients Maintaining Spontaneous (Off-drug) Erectile Function (EF) at Weeks 28-30 After Initiation of Radiation Therapy (RT)

    EF is measured by Question 1 of the International Index of Erectile Function (IIEF). The IIEF is a validated 15-item for measuring patient-reported erectile function. Question 1 asks "How often were you able to get an erection during sexual activity?" Responses ranged from 0=no sexual activity, to 5=Almost always or always. Higher scores indicated better functioning. All patients have erectile function prior to initiation of RT, indicated by a score of 3, 4, or 5 on IIEF Q1. Patients with a lower IIEF Q1 score at weeks 28-30 than at baseline will have less erectile function and be categorized as nonresponders. Patients with similar or improved erectile function will be categorized as responders (maintaining). Patient-related predictors of at erectile function at this time point are also reported with this outcome measure.

    Baseline and 30 weeks from the start of radiation therapy

Secondary Outcomes (6)

  • Percentage of Patients Maintaining Spontaneous (Off-drug) EF at Years 1 and 2 After Initiation of RT

    Baseline, 1 and 2 years from the start of tadalafil or placebo

  • Overall Sexual Function as Measured by Change From Baseline in the International Index of Erectile Function (IIEF)

    Baseline, week 30, and years 1 and 2 from start of treatment

  • Overall Patient Sexual Satisfaction as Measured by Change From Baseline in the Sexual Adjustment Questionnaire (SAQ) Score

    Baseline, week 30 and years 1 and 2 after the start of treatment

  • Overall Partner Sexual Satisfaction as Measured by Change From Baseline in the Sexual Adjustment Questionnaire-Partner (SAQ-P) Score

    Baseline, week 30 and years 1 and 2 after the start of treatment

  • Patient Marital Adjustment as Measured by the Locke's Marital Adjustment Test

    Baseline, week 30 and years 1 and 2 after the start of treatment

  • +1 more secondary outcomes

Other Outcomes (2)

  • Radiotherapy Factors Associated With Spontaneous (Off-drug) EF at Weeks 28-30 and Years 1 and 2 After Initiation of RT

    Baseline, week 30 and years 1 and 2 after the start of treatment

  • Patient Follow-up Treatment for Erectile Dysfunction at Weeks 28-30 and Years 1 and 2 After Initiation of RT

    Baseline, week 30 and years 1 and 2 after the start of treatment

Study Arms (2)

Tadalafil

EXPERIMENTAL

Tadalafil

Drug: Tadalafil

Placebo

PLACEBO COMPARATOR

Placebo

Other: Placebo

Interventions

Beginning ≤ 7 days after the start of radiotherapy, patients receive oral tadalafil 5mg once daily for 24 weeks.

Tadalafil
PlaceboOTHER

Beginning ≤ 7 days after the start of radiotherapy, patients receive oral placebo once daily for 24 weeks.

Placebo

Eligibility Criteria

Age18 Years - 120 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Clinical stage T1b-T2b (AJCC, 6th ed.) adenocarcinoma of the prostate within 6 months of registration
  • Clinically negative lymph nodes as established by imaging (pelvic ± abdominal CT or MR), nodal sampling, or dissection within 3 months prior to registration. Patients with lymph nodes equivocal or questionable by imaging are eligible if the nodes are ≤ 1.5 cm. Lymph node assessment is optional, and at investigator discretion, for patients with Gleason Score \<7.
  • No evidence of bone metastases (M0) on bone scan within 3 months prior to registration. Equivocal bone scan findings are allowed if plain films are negative for metastasis. Bone metastases assessment is optional, and at investigator discretion, for patients with Gleason Score \<7.
  • Baseline serum prostatic specific antigen (PSA) value performed with an FDA-approved assay (e.g., Abbott, Hybritech) within 3 months prior to registration.
  • Any of the following combinations of factors (NOTE: tumor found in 1 or both lobes on biopsy, but not palpable, will not alter T stage):
  • T1b-T2b disease, Gleason Score \<7 and serum total PSA that is \<20 ng/ml or
  • T1b-T2b disease, Gleason Score ≥7 and PSA that is \<15 ng/ml
  • Serum total testosterone level prior to the initiation of radiation therapy (RT) within normal range according to institutional guidelines
  • Zubrod Performance Status 0 or 1 (Appendix III)
  • Age ≥ 18 years
  • Treatment that will consist of either external beam RT alone to the prostate ± seminal vesicles only at a dose between 75 Gy and 79.2 Gy or brachytherapy alone (NOTE: treatment with combined external RT and brachytherapy excludes patient participation)
  • Pretreatment (before starting prostate cancer treatment) erectile function as measured by IIEF Question 1, "How often were you able to get an erection during sexual activity?" - with responses of:
  • "sometimes (about half the time)" \[response 3\] or
  • "most times (much more than half the time)" \[response 4\] or
  • "almost always/always" \[response 5\]
  • +2 more criteria

You may not qualify if:

  • The patient's participation in another medical research study that involves the treatment of ED
  • Previous or concomitant invasive cancer (American Joint Committee on Cancer \[AJCC\] Stage \>0), other than localized basal cell or squamous cell skin carcinoma (AJCC Stage 0-II), or a hematological malignancy (e.g., leukemia, lymphoma, myeloma) unless continually disease free for at least 5 years
  • History of myocardial infarction within the last year
  • Heart failure in the last 6 months
  • Uncontrolled arrhythmias, hypotension (\<90/50mm Hg), or uncontrolled hypertension (\>170/100 mm Hg)
  • Stroke within the last 6 months
  • Use of luteinizing hormone-releasing hormone (LHRH) agonist androgen suppression (e.g., Lupron, Zoladex), anti-androgen (e.g., Casodex, Eulexin, Nilandron), or estrogenic (e.g., diethylstilbestrol) agents within the last 6 months
  • Current use of any organic nitrate or as needed nitrates (e.g., use of nitroglycerin)
  • Current use of cimetidine, ketoconazole, itraconazole, erythromycin, or ritonavir
  • Known moderate to severe renal insufficiency or end-stage renal disease
  • Known severe hepatic impairment
  • Use of mechanical (vacuum) devices, intracorporeal, intraurethral, topical, or oral (sildenafil, tadalafil, vardenafil) agents as therapy for ED or supplements to enhance sexual function within 5-7 days prior to the start of RT. Patients who discontinue these therapies remain eligible if they can meet eligibility criteria
  • Pretreatment (before starting prostate cancer treatment) ED as measured by IIEF Question 1, "How often were you able to get an erection during sexual activity?" - with responses of:
  • "no sexual activity" \[response 0\] or
  • "almost never/never" \[response 1\] or
  • +8 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (192)

University of Alabama at Birmingham

Birmingham, Alabama, 35294, United States

Location

Providence Hospital

Mobile, Alabama, 36608, United States

Location

Arizona Center for Cancer Care-Peoria

Peoria, Arizona, 85381, United States

Location

Mayo Clinic in Arizona

Scottsdale, Arizona, 85259, United States

Location

Arizona Oncology Services Foundation

Scottsdale, Arizona, 85260, United States

Location

Arizona Oncology Associates-West Orange Grove

Tucson, Arizona, 85704, United States

Location

Sutter Cancer Centers Radiation Oncology Services-Auburn

Auburn, California, 95603, United States

Location

Alta Bates Summit Medical Center-Herrick Campus

Berkeley, California, 94704, United States

Location

Sutter Cancer Centers Radiation Oncology Services-Cameron Park

Cameron Park, California, 95682, United States

Location

Mercy San Juan Medical Center

Carmichael, California, 95608, United States

Location

Enloe Medical Center

Chico, California, 95926, United States

Location

Saint Agnes Medical Center

Fresno, California, 93720, United States

Location

Veterans Administration Long Beach Medical Center

Long Beach, California, 90822, United States

Location

Northridge Hospital Medical Center

Northridge, California, 91325, United States

Location

Kaiser Permanente Oakland-Broadway

Oakland, California, 94611, United States

Location

Sutter Cancer Centers Radiation Oncology Services-Roseville

Roseville, California, 95661, United States

Location

Radiological Associates of Sacramento

Sacramento, California, 95815, United States

Location

Mercy General Hospital Radiation Oncology Center

Sacramento, California, 95819, United States

Location

UCSF-Mount Zion

San Francisco, California, 94115, United States

Location

California Pacific Medical Center

San Francisco, California, 94118, United States

Location

Kaiser Permanente Cancer Treatment Center

South San Francisco, California, 94080, United States

Location

Sutter Cancer Centers Radiation Oncology Services-Vacaville

Vacaville, California, 95687, United States

Location

Sutter Solano Medical Center

Vallejo, California, 94589, United States

Location

University of Colorado Cancer Center - Anschutz Cancer Pavilion

Aurora, Colorado, 80045, United States

Location

Penrose-Saint Francis Healthcare

Colorado Springs, Colorado, 80907, United States

Location

The Hospital of Central Connecticut

New Britain, Connecticut, 06050, United States

Location

Christiana Care Health System-Christiana Hospital

Newark, Delaware, 19718, United States

Location

Washington Hospital Center

Washington D.C., District of Columbia, 20010, United States

Location

Broward Health North

Deerfield Beach, Florida, 33064, United States

Location

University of Florida

Gainesville, Florida, 32610, United States

Location

Baptist Cancer Institute

Jacksonville, Florida, 32207, United States

Location

Cancer Specialists of North Florida-Southside

Jacksonville, Florida, 32207, United States

Location

University of Florida Health Science Center

Jacksonville, Florida, 32209, United States

Location

Mayo Clinic in Florida

Jacksonville, Florida, 32224-9980, United States

Location

Cancer Specialists of North Florida-Baptist South

Jacksonville, Florida, 32258, United States

Location

Cancer Specialists of North Florida-Beaches

Jacksonville Beach, Florida, 32250, United States

Location

University of Miami Miller School of Medicine-Sylvester Cancer Center

Miami, Florida, 33136, United States

Location

21st Century Oncology-Orange Park

Orange Park, Florida, 32073, United States

Location

21st Century Oncology-Palatka

Palatka, Florida, 32177, United States

Location

Cancer Specialists of North Florida-Saint Augustine

Saint Augustine, Florida, 32086, United States

Location

John B Amos Cancer Center

Columbus, Georgia, 31904, United States

Location

Atlanta VA Medical Center

Decatur, Georgia, 30033, United States

Location

Lewis Cancer and Research Pavilion at Saint Joseph's/Candler

Savannah, Georgia, 31405, United States

Location

Queen's Medical Center

Honolulu, Hawaii, 96813, United States

Location

University of Hawaii Cancer Center

Honolulu, Hawaii, 96813, United States

Location

The Cancer Center of Hawaii-Liliha

Honolulu, Hawaii, 96817, United States

Location

Saint Alphonsus Cancer Care Center-Boise

Boise, Idaho, 83706, United States

Location

Advocate Illinois Masonic Medical Center

Chicago, Illinois, 60657, United States

Location

Advocate Lutheran General Hospital.

Park Ridge, Illinois, 60068, United States

Location

Saint John's Hospital

Springfield, Illinois, 62702, United States

Location

Carle Cancer Center

Urbana, Illinois, 61801, United States

Location

Saint Vincent Anderson Regional Hospital/Cancer Center

Anderson, Indiana, 46016, United States

Location

IU Health Bloomington

Bloomington, Indiana, 47403, United States

Location

Radiation Oncology Associates PC

Fort Wayne, Indiana, 46804, United States

Location

Parkview Hospital Randallia

Fort Wayne, Indiana, 46805, United States

Location

IU Health Goshen Center for Cancer Care

Goshen, Indiana, 46526, United States

Location

Memorial Hospital of South Bend

South Bend, Indiana, 46601, United States

Location

Northern Indiana Cancer Research Consortium

South Bend, Indiana, 46628, United States

Location

Baptist Health Lexington

Lexington, Kentucky, 40503, United States

Location

Mary Bird Perkins Cancer Center

Baton Rouge, Louisiana, 70809, United States

Location

Ochsner Clinic CCOP

New Orleans, Louisiana, 70121, United States

Location

Central Maine Medical Center

Lewiston, Maine, 04240, United States

Location

Maine Medical Center- Scarborough Campus

Scarborough, Maine, 04074, United States

Location

University of Maryland/Greenebaum Cancer Center

Baltimore, Maryland, 21201, United States

Location

Saint Agnes Hospital

Baltimore, Maryland, 21229, United States

Location

Johns Hopkins University/Sidney Kimmel Comprehensive Cancer Center

Baltimore, Maryland, 21287, United States

Location

Central Maryland Radiation Oncology in Howard County

Columbia, Maryland, 21044, United States

Location

Tate Cancer Center

Glen Burnie, Maryland, 21061, United States

Location

Saint Anne's Hospital

Fall River, Massachusetts, 02721, United States

Location

Cape Cod Hospital

Hyannis, Massachusetts, 02601, United States

Location

Bronson Battle Creek

Battle Creek, Michigan, 49017, United States

Location

Huron Valley-Sinai Hospital

Commerce, Michigan, 48382, United States

Location

Wayne State University/Karmanos Cancer Institute

Detroit, Michigan, 48201, United States

Location

Henry Ford Hospital

Detroit, Michigan, 48202, United States

Location

Saint John Hospital and Medical Center

Detroit, Michigan, 48236, United States

Location

McLaren-Flint

Flint, Michigan, 48532, United States

Location

Mercy Health Saint Mary's

Grand Rapids, Michigan, 49503, United States

Location

Spectrum Health at Butterworth Campus

Grand Rapids, Michigan, 49503, United States

Location

West Michigan Cancer Center

Kalamazoo, Michigan, 49007, United States

Location

William Beaumont Hospital-Royal Oak

Royal Oak, Michigan, 48073, United States

Location

Saint Mary's of Michigan

Saginaw, Michigan, 48601, United States

Location

Saint Luke's Hospital of Duluth

Duluth, Minnesota, 55805, United States

Location

Mayo Clinic

Rochester, Minnesota, 55905, United States

Location

Coborn Cancer Center at Saint Cloud Hospital

Saint Cloud, Minnesota, 56303, United States

Location

United Hospital

Saint Paul, Minnesota, 55102, United States

Location

Siteman Cancer Center - Saint Peters

City of Saint Peters, Missouri, 63376, United States

Location

Washington University School of Medicine

St Louis, Missouri, 63110, United States

Location

Barnes-Jewish West County Hospital

St Louis, Missouri, 63141, United States

Location

Good Samaritan Hospital

Kearney, Nebraska, 68847, United States

Location

Saint Elizabeth Regional Medical Center

Lincoln, Nebraska, 68510, United States

Location

Nebraska Methodist Hospital

Omaha, Nebraska, 68114, United States

Location

Concord Hospital

Concord, New Hampshire, 03301, United States

Location

Wentworth-Douglass Hospital

Dover, New Hampshire, 03820, United States

Location

Exeter Hospital

Exeter, New Hampshire, 03833, United States

Location

Elliot Hospital

Manchester, New Hampshire, 03103, United States

Location

Cooper Hospital University Medical Center

Camden, New Jersey, 08103, United States

Location

MD Anderson Cancer Center at Cooper-Voorhees

Voorhees Township, New Jersey, 08043, United States

Location

University of New Mexico Cancer Center

Albuquerque, New Mexico, 87106, United States

Location

Memorial Medical Center - Las Cruces

Las Cruces, New Mexico, 88011, United States

Location

New York Oncology Hematology PC - Albany

Albany, New York, 12206, United States

Location

Southside Hospital

Bay Shore, New York, 11706, United States

Location

Lourdes Hospital

Binghamton, New York, 13905, United States

Location

Veteran Affairs New York Harbor Healthcare System-Brooklyn Campus

Brooklyn, New York, 11209, United States

Location

Roswell Park Cancer Institute

Buffalo, New York, 14263, United States

Location

Long Island Jewish Medical Center

New Hyde Park, New York, 11040, United States

Location

Columbia University Medical Center

New York, New York, 10032, United States

Location

Mission Hospital-Memorial Campus

Asheville, North Carolina, 28801, United States

Location

Duke University Medical Center

Durham, North Carolina, 27710, United States

Location

High Point Regional Hospital

High Point, North Carolina, 27261, United States

Location

The Coleman Radiation Center-Carteret General Hospital

Morehead City, North Carolina, 28557, United States

Location

CarolinaEast Health System-Medical Center

New Bern, North Carolina, 28560, United States

Location

South Atlantic Radiation Oncology

Supply, North Carolina, 28462, United States

Location

Coastal Carolina Radiation Oncology

Wilmington, North Carolina, 28401, United States

Location

New Hanover Regional Medical Center

Wilmington, North Carolina, 28401, United States

Location

Summa Akron City Hospital/Cooper Cancer Center

Akron, Ohio, 44304, United States

Location

Summa Barberton Hospital

Barberton, Ohio, 44203, United States

Location

University of Cincinnati

Cincinnati, Ohio, 45267, United States

Location

Case Western Reserve University

Cleveland, Ohio, 44106, United States

Location

Cleveland Clinic Cancer Center/Fairview Hospital

Cleveland, Ohio, 44111, United States

Location

Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States

Location

Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center

Columbus, Ohio, 43210, United States

Location

Ohio State University Medical Center

Columbus, Ohio, 43210, United States

Location

Cleveland Clinic Cancer Center Independence

Independence, Ohio, 44131, United States

Location

Toledo Clinic Cancer Centers-Maumee

Maumee, Ohio, 43537, United States

Location

Hillcrest Hospital Cancer Center

Mayfield Heights, Ohio, 44124, United States

Location

Lake University Ireland Cancer Center

Mentor, Ohio, 44060, United States

Location

Southwest General Health Center Ireland Cancer Center

Middleburg Heights, Ohio, 44130, United States

Location

UHHS-Chagrin Highlands Medical Center

Orange, Ohio, 44122, United States

Location

Cancer Care Center, Incorporated

Salem, Ohio, 44460, United States

Location

Flower Hospital

Sylvania, Ohio, 43560, United States

Location

UHHS-Westlake Medical Center

Westlake, Ohio, 44145, United States

Location

Cancer Treatment Center

Wooster, Ohio, 44691, United States

Location

Cleveland Clinic Wooster Specialty Center

Wooster, Ohio, 44691, United States

Location

University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, 73104, United States

Location

Clackamas Radiation Oncology Center

Clackamas, Oregon, 97015, United States

Location

Willamette Valley Cancer Center

Eugene, Oregon, 97401, United States

Location

Three Rivers Community Hospital

Grants Pass, Oregon, 97527, United States

Location

Providence Medford Medical Center

Medford, Oregon, 97504, United States

Location

Rogue Valley Medical Center

Medford, Oregon, 97504, United States

Location

Providence Portland Medical Center

Portland, Oregon, 97213, United States

Location

Western Oncology Research Consortium

Portland, Oregon, 97213, United States

Location

Providence Saint Vincent Medical Center

Portland, Oregon, 97225, United States

Location

Abington Memorial Hospital

Abington, Pennsylvania, 19001, United States

Location

Bryn Mawr Hospital

Bryn Mawr, Pennsylvania, 19010, United States

Location

Delaware County Memorial Hospital

Drexel Hill, Pennsylvania, 19026, United States

Location

Fox Chase Cancer Center Buckingham

Furlong, Pennsylvania, 18925, United States

Location

Adams Cancer Center

Gettysburg, Pennsylvania, 17325, United States

Location

Cherry Tree Cancer Center

Hanover, Pennsylvania, 17331, United States

Location

Academic Urology Prostate Center

King of Prussia, Pennsylvania, 19406, United States

Location

Fox Chase Cancer Center

Philadelphia, Pennsylvania, 19111, United States

Location

Albert Einstein Medical Center

Philadelphia, Pennsylvania, 19141, United States

Location

Lankenau Medical Center

Wynnewood, Pennsylvania, 19096, United States

Location

WellSpan Health-York Hospital

York, Pennsylvania, 17405, United States

Location

Spartanburg Regional Medical Center

Spartanburg, South Carolina, 29303, United States

Location

Rapid City Regional Hospital

Rapid City, South Dakota, 57701, United States

Location

Texas Oncology-Denton South

Denton, Texas, 76210, United States

Location

The Klabzuba Cancer Center

Fort Worth, Texas, 76104, United States

Location

University of Texas Medical Branch at Galveston

Galveston, Texas, 77555-0565, United States

Location

West Texas Cancer Center

Odessa, Texas, 79761, United States

Location

University of Texas Health Science Center

San Antonio, Texas, 78229, United States

Location

Texas Cancer Center-Sherman

Sherman, Texas, 75090, United States

Location

Texas Oncology Cancer Center Sugar Land

Sugar Land, Texas, 77479, United States

Location

Tyler Cancer Center

Tyler, Texas, 75702, United States

Location

Intermountain Medical Center

Murray, Utah, 84157, United States

Location

Utah Valley Regional Medical Center

Provo, Utah, 84604-3337, United States

Location

Utah Cancer Specialists-Salt Lake City

Salt Lake City, Utah, 84106, United States

Location

Huntsman Cancer Institute/University of Utah

Salt Lake City, Utah, 84112, United States

Location

Dixie Medical Center Regional Cancer Center

St. George, Utah, 84770, United States

Location

University of Virginia

Charlottesville, Virginia, 22908, United States

Location

Danville Regional Medical Center

Danville, Virginia, 24541, United States

Location

Virginia Mason CCOP

Seattle, Washington, 98101, United States

Location

Compass Oncology Vancouver

Vancouver, Washington, 98684, United States

Location

Appleton Medical Center

Appleton, Wisconsin, 54911, United States

Location

Saint Vincent Hospital

Green Bay, Wisconsin, 54301, United States

Location

Gundersen Lutheran

La Crosse, Wisconsin, 54601, United States

Location

Mayo Clinic Health System-Franciscan Healthcare

La Crosse, Wisconsin, 54601, United States

Location

Bay Area Medical Center

Marinette, Wisconsin, 54143, United States

Location

Aurora Saint Luke's Medical Center

Milwaukee, Wisconsin, 53215, United States

Location

Clement J. Zablocki VA Medical Center

Milwaukee, Wisconsin, 53295, United States

Location

Oconomowoc Memorial Hospital-ProHealth Care Inc

Oconomowoc, Wisconsin, 53066-3896, United States

Location

Door County Cancer Center

Sturgeon Bay, Wisconsin, 54235-1495, United States

Location

Waukesha Memorial Hospital - ProHealth Care

Waukesha, Wisconsin, 53188, United States

Location

Aurora West Allis Medical Center

West Allis, Wisconsin, 53227, United States

Location

Tom Baker Cancer Centre

Calgary, Alberta, T2N 4N2, Canada

Location

Cross Cancer Institute

Edmonton, Alberta, T6G 1Z2, Canada

Location

BCCA-Cancer Centre for the Southern Interior

Kelowna, British Columbia, V1Y 5L3, Canada

Location

BCCA-Fraser Valley Cancer Centre

Surrey, British Columbia, V3V 1Z2, Canada

Location

BCCA-Vancouver Cancer Centre

Vancouver, British Columbia, V5Z 4E6, Canada

Location

Juravinski Cancer Centre at Hamilton Health Sciences

Hamilton, Ontario, L8V 5C2, Canada

Location

London Regional Cancer Program

London, Ontario, N6A 4L6, Canada

Location

CHUQ - Pavilion Hotel-Dieu de Quebec

Québec, Quebec, G1R 2J6, Canada

Location

Allan Blair Cancer Centre

Regina, Saskatchewan, S4T 7T1, Canada

Location

Related Publications (1)

  • Pisansky TM, Pugh SL, Greenberg RE, Pervez N, Reed DR, Rosenthal SA, Mowat RB, Raben A, Buyyounouski MK, Kachnic LA, Bruner DW. Tadalafil for prevention of erectile dysfunction after radiotherapy for prostate cancer: the Radiation Therapy Oncology Group [0831] randomized clinical trial. JAMA. 2014 Apr 2;311(13):1300-7. doi: 10.1001/jama.2014.2626.

MeSH Terms

Conditions

Prostatic NeoplasmsSexual Dysfunction, Physiological

Interventions

Tadalafil

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

CarbolinesPyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsIndole AlkaloidsIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds, 3-Ring

Limitations and Caveats

The protocol endpoint "Patient-related predictors of erectile function" refers to modeling of the first two outcome measures, and is therefore reported as additional statistical analyses for those outcome measures.

Results Point of Contact

Title
Wendy Seiferheld
Organization
NRG Onoclogy

Study Officials

  • Deborah Watkins Bruner, RN, PhD

    Abramson Cancer Center at Penn Medicine

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
NETWORK
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 30, 2009

First Posted

July 2, 2009

Study Start

November 1, 2009

Primary Completion

December 1, 2012

Study Completion

November 1, 2014

Last Updated

February 14, 2018

Results First Posted

July 27, 2016

Record last verified: 2018-01

Locations