NCT00544076

Brief Summary

RATIONALE: Sildenafil citrate and alprostadil may help patients who have undergone prostatectomy for prostate cancer to recover from erectile dysfunction. PURPOSE: This randomized clinical trial is studying giving sildenafil together with alprostadil in treating patients undergoing nerve-sparing robotic-assisted radical prostatectomy for nonmetastatic prostate cancer.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
110

participants targeted

Target at below P25 for phase_3 prostate-cancer

Timeline
Completed

Started Jan 2006

Typical duration for phase_3 prostate-cancer

Geographic Reach
1 country

1 active site

Status
terminated

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

Study Start

First participant enrolled

January 1, 2006

Completed
1.8 years until next milestone

First Submitted

Initial submission to the registry

October 13, 2007

Completed
3 days until next milestone

First Posted

Study publicly available on registry

October 16, 2007

Completed
4.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2012

Completed
6.8 years until next milestone

Results Posted

Study results publicly available

January 2, 2019

Completed
Last Updated

January 2, 2019

Status Verified

December 1, 2018

Enrollment Period

6.3 years

First QC Date

October 13, 2007

Results QC Date

January 15, 2018

Last Update Submit

December 10, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Potency Rates (Ability to Obtain an Erection Sufficient for Penetration) Without Assistance Compared Between Patients in All Three Arms of the Study at 12 Months

    Potency rates (ability to obtain an erection sufficient for penetration) without assistance in those patients receiving maintenance Viagra compared to non-pharmacology controls was compared at 12 months from start of treatment using the fisher's exact test

    12 months following BNS-RAP

Secondary Outcomes (3)

  • Potency Rates With or Without Assistance in the Control Group Versus Maintenance MUSE or Maintenance Viagra

    At 6 and 18 months

  • SHIMS-5 Scores in the Control Groups Versus Maintenance MUSE or Maintenance Viagra Groups

    At 1, 3, 6, 9, 12, and 18 months

  • Penile Length

    At pre-treatment and 18 months

Study Arms (3)

Sildenafil Citrate/Mo+Aprostadil/day

EXPERIMENTAL

Patients receive intraurethral alprostadil once daily for up to 9 months in the absence of disease progression or unacceptable toxicity. Patients also receive 3 doses of oral sildenafil citrate at least 48 hours apart monthly for up to 18 months. Patients on all three arms will have undergone robotic-assisted laparoscopic surgery. All patients will take part in the questionnaire administration and quality-of-life assessments.

Drug: sildenafil citrateDrug: alprostadilProcedure: robotic-assisted laparoscopic surgeryProcedure: quality-of-life assessmentOther: questionnaire administration

Sildenafil Citrate Monthly

ACTIVE COMPARATOR

Patients receive 3 doses of oral sildenafil citrate on 3 separate occasions at least 48 hours apart monthly for 18 months. Patients on all three arms will have undergone robotic-assisted laparoscopic surgery. All patients will take part in the questionnaire administration and quality-of-life assessments.

Drug: sildenafil citrateProcedure: robotic-assisted laparoscopic surgeryProcedure: quality-of-life assessmentOther: questionnaire administration

Daily Sildenafil Citrate

EXPERIMENTAL

Patients receive oral sildenafil citrate once daily for up to 9 months in the absence of disease progression or unacceptable toxicity. Patients also receive 3 doses of oral sildenafil citrate at least 48 hours apart monthly for up to 18 months. Patients on all three arms will have undergone robotic-assisted laparoscopic surgery. All patients will take part in the questionnaire administration and quality-of-life assessments.

Drug: sildenafil citrateProcedure: robotic-assisted laparoscopic surgeryProcedure: quality-of-life assessmentOther: questionnaire administration

Interventions

Given orally

Also known as: Viagra
Daily Sildenafil CitrateSildenafil Citrate MonthlySildenafil Citrate/Mo+Aprostadil/day

Given intraurethrally

Also known as: Caverject, MUSE, PGE1, prostaglandin E1
Sildenafil Citrate/Mo+Aprostadil/day

Undergo prostatectomy

Daily Sildenafil CitrateSildenafil Citrate MonthlySildenafil Citrate/Mo+Aprostadil/day

Ancillary studies

Also known as: quality of life assessment
Daily Sildenafil CitrateSildenafil Citrate MonthlySildenafil Citrate/Mo+Aprostadil/day

Ancillary studies

Daily Sildenafil CitrateSildenafil Citrate MonthlySildenafil Citrate/Mo+Aprostadil/day

Eligibility Criteria

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

You may qualify if:

  • All patients undergoing BNS-RAP for prostate cancer will be asked to participate
  • Ability to achieve erections sufficient for intercourse prior to surgery and an SHIMS-5 score of \>= 22
  • Must maintain follow up care at COH for visits 1, 3, 6, 9, 12, and 18 months post surgery
  • Participants willing to participate on study for a minimum of 18 months
  • Consented participant on the Prostate database study (protocol 00149)
  • Patients must have a clinical stage of \< T3
  • Gleason score \< 8 on post-operative pathological sample prior to randomization

You may not qualify if:

  • Metastatic disease
  • Coronary artery disease on nitrate therapy (including oral sublingual nitrates)
  • Unable to maintain follow up visits at COH at 1, 3, 6, 9, 12, and 18 months post-operatively
  • Pathology diagnosis \>= pT3
  • Prior hormonal treatment use for prostate cancer or low serum testosterone
  • Allergy to prostaglandin PGE1, Lidocaine, or Viagra
  • Gleason score \>= 8 on post-operative pathological sample prior to randomization
  • Concomitant use of cytochrome P450 3AY inhibitors (cimetidine, erythromycin, ketoconazole, or protease inhibitors)
  • SHIMS-5 score =\< 21

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

City of Hope

Duarte, California, 91010, United States

Location

MeSH Terms

Conditions

Prostatic NeoplasmsErectile Dysfunction

Interventions

Sildenafil CitrateAlprostadil

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital DiseasesSexual Dysfunction, PhysiologicalSexual Dysfunctions, PsychologicalMental Disorders

Intervention Hierarchy (Ancestors)

SulfonamidesAmidesOrganic ChemicalsSulfonesSulfur CompoundsPiperazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPurinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingProstaglandins EProstaglandinsEicosanoidsFatty Acids, UnsaturatedFatty AcidsLipidsFatty Acids, MonounsaturatedAutacoidsInflammation MediatorsBiological Factors

Limitations and Caveats

In addition to the fact that the trial was closed mid-way through accrual, nearly half of those that accrued dropped out prior to completing treatment. There is not enough power to make any conclusions regarding any of the aims set forth.

Results Point of Contact

Title
Laura Crocitto, M.D.
Organization
City of Hope

Study Officials

  • Laura Crocitto

    City of Hope Medical Center

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 13, 2007

First Posted

October 16, 2007

Study Start

January 1, 2006

Primary Completion

April 1, 2012

Study Completion

April 1, 2012

Last Updated

January 2, 2019

Results First Posted

January 2, 2019

Record last verified: 2018-12

Locations