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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT00906269
Other study ID # STAF001982HU
Secondary ID
Status Active, not recruiting
Phase Phase 4
First received
Last updated
Start date July 2009
Est. completion date January 2021

Study information

Verified date May 2019
Source Hartford Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine if adding hyperbaric oxygen therapy, a therapy that delivers oxygen under slight pressure, to a drug treatment of PDE5I (such as Viagra, Levitra, Cialis)for men following surgery for prostate cancer will result in more men being able to continue to have erections.


Description:

Prostate cancer is the most common non-skin malignancy in men in the United States, with approximately 232,000 diagnoses of adenocarcinoma projected for 2005. More than 150,000 of these men are treated with radical prostatectomy. Common sequelae following successful NSRRP (nerve-sparing radical retropubic prostatectomy)include urinary incontinence and sexual dysfunction. Recent advances in surgery technique and treatment have been made but in spite of aggressive management, recovery of sexual function is incomplete with fewer than one-fifth reporting return to baseline. The etiology of erectile dysfunction following radical prostatectomy results most probably from local surgical trauma and neurapraxia, which leads to corpus cavernosal hypoxemia in the post-NSRRP period. This hypoxemia is believed to impact negatively on the health and maintenance of the smooth muscle cells within the corpus cavernosum. Hyperbaric oxygen therapy (HBO2T) is a unique modality that is able to provide oxygen delivery to tissues that have been damaged by traumatic injury.

Hypothesis: The addition of post-NSRRP hyperbaric oxygen therapy (HBO2T) to a treatment of phosphodiesterase type 5 inhibitor (PDE5I) will reduce the incidence of erectile dysfunction (ED) and urinary incontinence when measured at 1, 3, 6, 12 and 18 months post-NSRRP for Stage I prostate cancer.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 100
Est. completion date January 2021
Est. primary completion date July 2020
Accepts healthy volunteers No
Gender Male
Age group 40 Years to 65 Years
Eligibility Inclusion Criteria:

- male

- age 40-69

- diagnosis of Stage I prostate cancer

- bilateral NSRRP as primary treatment

- sexual potency prior to surgery

Exclusion Criteria:

- COPD, CHF, diabetes mellitus

- known inability to tolerate PDE5I

- confinement anxiety/claustrophobia

- planned adjuvant or neo-adjuvant therapy

- patients taking alpha blockers or nitrates

- patients with retinitis pigmentosa

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Sildenafil therapy plus post-NSRRP HBO2T
Sildenafil (Viagra) 50 mg - PO QHS for 12 months beginning the first evening they return home from surgical hospital stay PLUS Post-NSRRP hyperbaric oxygen therapy (90 minutes of 100% oxygen at 2.2ATA (equivalent to the pressure exerted at a depth of approximately 40 feet below sea level). There will be 5 or 10 treatments. The full treatment cycle will be completed within 2 weeks.
Sildenafil therapy plus sham post-NSRRP HBO2T
Sildenafil (Viagra)50 mg - PO QHS for 12 months beginning the first evening they return home from surgical hospital stay PLUS Post-NSRRP sham hyperbaric oxygen therapy - 90 minutes at 2.2ATA but instead of 100% oxygen, they will receive air administered via the oxygen hoods, as if they were being administered oxygen. Participants in this group will receive 5 or 10 sham treatment sessions. Full treatment cycle will be completed within 2 weeks.

Locations

Country Name City State
United States Hartford Hospital Hartford Connecticut

Sponsors (1)

Lead Sponsor Collaborator
Hartford Hospital

Country where clinical trial is conducted

United States, 

References & Publications (12)

Burnett AL. Erectile dysfunction following radical prostatectomy. JAMA. 2005 Jun 1;293(21):2648-53. — View Citation

Feldmeier JJ. Hyperbaric oxygen: does it have a cancer causing or growth enhancing effect? In: Proceeding of the Concensus Conference sponsored by the European Society for Therapeutic Radiology and Oncology and the European Committee for Hyperbaric Medicine. Portugal 2001: 129-146

Feldmeier, J.J.,Chairman and Editor. Hyperbaric Oxygen 2003: Indications and Results. The Hyperbaric Oxygen Therapy Committee Report . Kensington, MD: Undersea and Hyperbaric Medicine Society, 2003.

Kaufman JM, Graydon RJ. Androgen replacement after curative radical prostatectomy for prostate cancer in hypogonadal men. J Urol. 2004 Sep;172(3):920-2. Review. — View Citation

Link RE, Su LM, Sullivan W, Bhayani SB, Pavlovich CP. Health related quality of life before and after laparoscopic radical prostatectomy. J Urol. 2005 Jan;173(1):175-9; discussion 179. — View Citation

Lowentritt BH, Scardino PT, Miles BJ, Orejuela FJ, Schatte EC, Slawin KM, Elliott SP, Kim ED. Sildenafil citrate after radical retropubic prostatectomy. J Urol. 1999 Nov;162(5):1614-7. — View Citation

Mulhall JP, Graydon RJ. The hemodynamics of erectile dysfunction following nerve-sparing radical retropubic prostatectomy. Int J Impot Res. 1996 Jun;8(2):91-4. — View Citation

Rosen RC, Riley A, Wagner G, Osterloh IH, Kirkpatrick J, Mishra A. The international index of erectile function (IIEF): a multidimensional scale for assessment of erectile dysfunction. Urology. 1997 Jun;49(6):822-30. — View Citation

Schwartz EJ, Wong P, Graydon RJ. Sildenafil preserves intracorporeal smooth muscle after radical retropubic prostatectomy. J Urol. 2004 Feb;171(2 Pt 1):771-4. — View Citation

Walsh PC, Donker PJ. Impotence following radical prostatectomy: insight into etiology and prevention. J Urol. 1982 Sep;128(3):492-7. — View Citation

Wei JT, Dunn RL, Litwin MS, Sandler HM, Sanda MG. Development and validation of the expanded prostate cancer index composite (EPIC) for comprehensive assessment of health-related quality of life in men with prostate cancer. Urology. 2000 Dec 20;56(6):899-905. — View Citation

Zamboni WA, Brown RE, Roth AC, Mathur A, Stephenson LL. Functional evaluation of peripheral-nerve repair and the effect of hyperbaric oxygen. J Reconstr Microsurg. 1995 Jan;11(1):27-9; discussion 29-30. — View Citation

* Note: There are 12 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Erectile function domain of Internation Index of Erectile Function (IIEF) 1, 3, 6, 12, and 18 months post surgery
Secondary clinical or biochemical recurrence of cancer up to 10 years
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