Sagene 2014 - Parkinson's Disease and Erectile Dysfunction



Status:Recruiting
Conditions:Erectile Dysfunction, Parkinsons Disease
Therapuetic Areas:Nephrology / Urology, Neurology
Healthy:No
Age Range:40 - 64
Updated:12/22/2017
Start Date:September 2014
End Date:January 2019
Contact:Jessica Shaw, MPH
Email:jshaw@health.usf.edu
Phone:813-974-5909

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An Open-label Trial of Oral Selegiline 5 or 10 mg and Tadalafil 2.5mg Co-administration to Male Patients With Parkinson's Disease and Moderate Erectile Dysfunction.

The purpose of this study is to see if selegiline and tadalafil (generic for Cialis®) results
in an improvement in Erectile dysfunction (ED) in male patients with Parkinson's disease (PD)
and moderate ED. Male PD patients who have an incomplete response to tadalafil alone will be
given both medications to see if the addition of selegiline improves ED symptoms more than
tadalafil alone. It is common practice for a medical doctor to prescribe these two drugs to a
patient like you. However, there have been no studies conducted to examine the effects of
these medications when taken together.

Selegiline is normally prescribed for PD patients that are taking carbidopa/levodopa who are
not receiving complete benefit from carbidopa/levodopa.

Tadalafil is normally prescribed to men who have erectile dysfunction and/or benign prostatic
hyperplasia (BPH).


Inclusion Criteria

- Diagnosis of idiopathic Parkinson's disease that is optimally treated (motor
fluctuations <20% of subject's awake time). Subjects may be on levodopa therapy but
must be stable at the time of entry into the study

- Sexually active (i.e. ≥1 attempt/week) males, 40 - 64 years of age (inclusive) at time
of screening

- Diagnosis of moderate erectile dysfunction (defined according to the NIH Consensus
Development Panel on Impotence) for more than 6 months and demonstrating and
incomplete response to tadalafil alone

- Subject demonstrating an IIEF-5 drug-free baseline score that is ≥ 10 but ≤ 16, and an
IIEF-5 tadalafil-alone baseline score that is ≤ 18

- Subject in a stable heterosexual relationship for at least 6 months. (2)

- Subject motivated to seek treatment for erectile dysfunction.

- Subject with a total serum testosterone level ≥ 300 ng/dL, with or without
supplementation

- Hoehn and Yahr Scale score of 1 - 3

- Patient able to consent and comply with protocol requirements

Exclusion Criteria:

- Subject unwilling to cease use of any treatment for erectile dysfunction during the
study, including oral medication, vacuum devices, constrictive devices, injections,
urethral suppositories, gels, any over-the-counter or nonprescription medications, and
products purchased via the internet

- Subject receiving dopamine agonists, nitrates, alpha-receptor blocking agents, or
antihypertensive medication (see other exclusionary medications listed below)

- Subject with a history of syncope within the last 6 months prior to screening

- Subject with symptomatic postural hypotension (severe dizziness or fainting

- Subject with hypotension and a resting systolic blood pressure of < 90 mmHG or
hypertension with a resting systolic blood pressure > 170 mmHG or a resting diastolic
blood pressure > 110 mmHG

- Subject with any underlying cardiovascular condition, including unstable angina
pectoris, which preclude sexual activity

- Subject with a history of myocardial infarction, stroke or life-threatening arrhythmia
within 6 months prior to screening

- Subject with uncontrolled atrial fibrillation/flutter at screening (defined as
ventricular response rate ≥ 100 bpm)

- Subject with a bleeding disorder

- Subject with a history of prostatectomy because of prostate cancer, including nerve
sparing techniques. Subjects with a history of surgical procedures for the treatment
of benign prostate hypertrophy are permitted, with the exception of cryosurgery,
cryotherapy or cryoablation

- Subject with hereditary degenerative retinal disorders such as retinitis pigmentosa

- Subject with a history of loss of vision because of non-arteritic anterior ischemic
optic neuropathy (NAION), history of temporary or permanent loss of vision, including
unilateral loss of vision

- Subject with a history of congenital QT prolongation

- Subject with a penile anatomical abnormality (e.g., penile fibrosis, fractures, or
Peyronie's disease) which, in the investigator's opinion, could significantly impair
sexual performance. This will be based on subject's reported medical history (penile
exam not required)

- Subject with primary hypoactive sexual desire.

- Subject with a spinal cord injury

- Subject with a severe chronic or acute liver disease, history of moderate (Child-Pugh
B), or severe (Child-Pugh C) hepatic impairment

- Subject with clinically significant chronic hematological disease which could lead to
priapism such as sickle cell anemia, multiple myeloma, and leukemia

- Subject with active peptic ulceration

- Subject with a history of malignancy within the past 5 years (other than squamous or
basal cell skin cancer)

- Subject with a history of a positive test for Hepatitis B surface antigen (HbsAg) or
Hepatitis C

- Subject with a known hypersensitivity to any component of the investigational
medications, monoamine oxidase inhibitors, phosphodiesterase type 5 inhibitors or
phenylethylamines

- Subjects with a history of drug or alcohol abuse within the past 6 months

- Subjects currently consuming ≥5 units of alcohol per day

- Subject who is illiterate or unable to understand the Informed Consent Form,
questionnaires or subject diary

- Subject who, in the opinion of the investigator, will be noncompliant with the visit
schedule or study procedures

- Subject with any unstable medical, psychiatric, or substance abuse disorder that in
the opinion of the investigator is likely to affect the subject's ability to complete
the study or preclude the subject's participation in the study

- Diagnosis of any other neurologic disease

- Uncontrolled Diabetes (Hemoglobin A1C > 7.5)
We found this trial at
1
site
4202 E Fowler Ave
Tampa, Florida 33620
(813) 974-2011
Principal Investigator: Theresa Zesiewicz, MD, FAAN
Phone: 813-974-5909
University of South Florida The University of South Florida is a high-impact, global research university...
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