Nebivolol Effects on Endothelial Function and Erectile Function (NEB-ED)
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ClinicalTrials.gov Identifier: NCT01885988 |
Recruitment Status : Unknown
Verified June 2013 by Martin M. Miner, MD, The Miriam Hospital.
Recruitment status was: Recruiting
First Posted : June 25, 2013
Last Update Posted : June 25, 2013
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The study will take part at The Men's Health Center It will involve men who have a diagnosis of erectile dysfunction and also have high blood pressure.
High blood pressure can affect the lining of the arteries and cause stiffness in the arteries. The arteries and veins throughout the body have a lining called the endothelium which gives them the ability to stretch. If the lining of the penile arteries becomes impaired, it can decrease the stretching of the artery and decrease blood flow. Decreased blood flow in the penile arteries can cause problems obtaining an erection.
The study medication Nebivolol controls blood pressure by relaxing smooth muscle around the lining of the arteries, thereby improving stretch and blood flow.
The primary objective is to determine if treatment with nebivolol improves endothelial function and erectile function in men with pre-hypertension and stage 1 hypertension
70 men will be enrolled into the study. Half of the subjects will receive active medication and half will receive a placebo. All men will receive educational informational handouts about blood pressure and behavior modifications to improve blood pressure. The study will last for 3 months for each subject. The expected recruitment time is one year, with a 2 year study completion goal. Subjects will have approximately 5 study visits.
Subjects will have initial/final blood work, a Rigiscan test (a take home penile erection test), two EndoPat tests to assess endothelium function, 3 SphygmoCor tests to assess central blood pressure, 2 sexual health questionnaires at 2 visits. Vital signs will be monitored at each visit to assess safety and effectiveness of the study medication.
Condition or disease | Intervention/treatment | Phase |
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Erectile Dysfunction | Drug: Nebivolol Drug: Sugar Pill | Phase 4 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 70 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Nebivolol Effects on Endothelial Function and Erectile Function in Non-smoking Pre-hypertensive and Newly Diagnosed Stage 1 Hypertensive Men With Erectile Dysfunction. |
Study Start Date : | March 2013 |
Estimated Primary Completion Date : | March 2014 |
Estimated Study Completion Date : | June 2014 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Nebivolol
Nebivolol 5, 10 or 20 mg tablet, oral, daily for 3 months. Nebivolol dosage will be titrated per blood pressure results.
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Drug: Nebivolol
Nebivolol 5, 10 or 20 mg tablet, oral, daily for 3 months. Nebivolol dosage will be titrated per blood pressure results.
Other Name: Bystolic |
Placebo Comparator: Sugar pill
Sugar pill 5, 10 or 20 mg tablet, orally, daily. Sugar pill dosage will be titrated per blood pressure results.
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Drug: Sugar Pill
Sugar pill 5, 10 or 20mg taken by mouth, daily. Sugar pill dosage will be titrated per blood pressure results.
Other Name: placebo |
- Primary objective is to determine if treatment with nebivolol improves endothelial function and erectile function in men with pre-hypertension and stage 1 hypertension. This will be assessed by change in IIEF-5 at baseline, 2 and 3 months [ Time Frame: baseline, 2 and 3 months ]The evaluation of the effect of the study medication will be assessed with IIEF questionnaire. This will be assessed by change in IIEF-5.
- Change in Endopat score [ Time Frame: Measurement at baseline, and 3 months ]EndoPat test measures Endothelial function
- Change in SphygmoCor results [ Time Frame: SphygmoCor Measured at Baseline, 2 and 3 months ]Sphygmocor will measure change in pulse wave velocity and central blood pressure
- Change in SQOLM score [ Time Frame: questionnaire administered at SphygmoCor Measured at Baseline, 2 and 3 months ]SQOLM is the Sexual Quality of Life Male questionnaire.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 25 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | Male |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Inclusion Criteria:
- Males 25-65
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Male Patients with ED (IIEF-5 ) Score > 13 and < 21
o If a subject is using PDE5's( phosphodiesterase type 5 inhibitors), there must be a two week washout of PDE5 use, then in two weeks without PDE5 use; 4 attempts at sexual activity and an IIEF score < 21 on at least 2 of the four efforts
- Treatment naïve patients with Pre-hypertension (BP 120-139/80-89) or
- Stage 1 hypertension (BP > 140 but < 159/ 90-99)
- Patients in a stable, monogamous relationship
- Patients are able to comprehend and satisfactorily comply with protocol requirements
- Eugonadal Men : Total Testosterone 300 ng/dL-1000 ng/dL or greater, as well as men who are eugonadal with treatment.
- Non-smoker
Exclusion Criteria:
- Men with concomitant Type 1 or Type 2 Diabetes Mellitus
- Normal RigiScan at Baseline
- Concomitant use of ACE/ ARB (angiotensin receptor blocker)/ Beta-blocking agents/CCB (calcium channel blocker) / alpha-blocker
- Concomitant use of PDE5'S
- Currently Smoking
- Meeting any exclusion criteria for beta blocker use as stated in the nebivolol package insert
- Patients who have a medical condition that, in the Investigator's opinion, would expose them to an increased risk of a significant adverse event or interfere with assessments of safety and efficacy during the course of the trial.
- Patients with any current malignancy, or any clinically significant hematological, endocrine, cardiovascular, renal, hepatic, gastrointestinal or neurological disease. If there is a history of such disease but the condition has been stable for at least the past year and is judged by the investigator not to interfere with the patient's participation in the study, the patient may be included.
- Patients who are unable to speak, read, and understand English or are judged by the investigator to be unable or unlikely to follow the study protocol and complete all scheduled visits.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01885988
Contact: Laurie A Given, BSN, RN | 401-793-4835 | lgiven@lifespan.org |
United States, Rhode Island | |
University Medicine | Recruiting |
Providence, Rhode Island, United States, 02903 | |
Contact: Tony Wu, MD | |
Sub-Investigator: Tony Wu, MD | |
Miriam Cardiology | Recruiting |
Providence, Rhode Island, United States, 02906 | |
Contact: Lori Desimone, BSN, RN 401-793-7646 ldesimone@lifespan.org | |
Sub-Investigator: Douglas Burtt, MD | |
The Miriam Hospital / The Men's Health Center | Recruiting |
Providence, Rhode Island, United States, 02906 | |
Contact: Laurie A Given, BSN 401-793-4835 lgiven@lifespan.org | |
Principal Investigator: Martin M Miner, MD |
Principal Investigator: | Martin M Miner, MD | The Miriam Hospital, a Lifespan partner |
Responsible Party: | Martin M. Miner, MD, Co-Director Men's Health Center, The Miriam Hospital |
ClinicalTrials.gov Identifier: | NCT01885988 |
Other Study ID Numbers: |
BYS-IT-74 |
First Posted: | June 25, 2013 Key Record Dates |
Last Update Posted: | June 25, 2013 |
Last Verified: | June 2013 |
Erectile dysfunction |
Erectile Dysfunction Sexual Dysfunction, Physiological Sexual Dysfunctions, Psychological Mental Disorders Nebivolol Antihypertensive Agents Vasodilator Agents |
Adrenergic beta-1 Receptor Agonists Adrenergic beta-Agonists Adrenergic Agonists Adrenergic Agents Neurotransmitter Agents Molecular Mechanisms of Pharmacological Action Physiological Effects of Drugs |