Lybrido for Female Sexual Dysfunction



Status:Recruiting
Conditions:Neurology, Psychiatric
Therapuetic Areas:Neurology, Psychiatry / Psychology
Healthy:No
Age Range:21 - 70
Updated:7/16/2013
Start Date:September 2011
Contact:Henrik S Rasmussen, MD
Email:henrik@rasmussenbio.com
Phone:609-921-2049

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The Lybrido study is a double-blind, randomized, placebo-controlled study with a 4-week
baseline establishment period, 16 week treatment period and a follow up period for a total
of 26 weeks on study. Subjects are randomly to one of seven treatment arms. The study
investigates the effective dose of Lybrido in increasing the number of satisfactory sexual
episodes in the domestic setting in 210 healthy female subjects with hypoactive sexual
desire disorder and low sensitivity for sexual cues (30 subjects per group).


Inclusion Criteria:

1. Provision of written informed consent

2. Female 21 to 70 years of age, inclusive, pre- or postmenopausal, with HSDD
(comorbidity with female sexual arousal disorder and/or female orgasmic disorder
[FOD; only as secondary diagnosis] is allowed). The diagnosis of HSDD will be
established by a trained professional.

3. Low sensitivity for sexual cues

4. Be involved in a stable relationship and have a partner who will be at home for the
majority of the study duration

5. Healthy according to normal results of medical history, physical examination,
laboratory values, and vital signs; exceptions may be made if the investigator
considers an abnormality to be clinically irrelevant

Exclusion Criteria:

1. Any underlying cardiovascular condition, including unstable angina pectoris, that
would preclude sexual activity

2. History of myocardial infarction, stroke, transient ischemic attack, or
life-threatening arrhythmia within the prior 6 months

3. Uncontrolled atrial fibrillation/flutter at screening or other significant
abnormality observed on electrocardiogram (ECG)

4. Systolic blood pressure ≥ 140 mmHg and/or diastolic blood pressure > 90 mmHg. For
subjects > 60 years old and without diabetes mellitus, familial hypercholesterolemia,
or cardiovascular disease: systolic blood pressure ≥ 160 mmHg and/or diastolic blood
pressure > 90 mmHg

5. Systolic blood pressure < 90 mmHg and/or diastolic blood pressure < 50 mmHg

6. Use of oral contraceptive containing anti-androgens

7. Use of oral contraceptive containing 50 μg estrogen or more

8. Positive test result for Chlamydia or gonorrhea

9. Pregnancy or intention to become pregnant during this study (Note: A urine pregnancy
test will be performed in all women prior to the administration of study
medications.)

10. Lactating or delivery in the previous 6 months

11. Significant abnormal pap smear in the previous 12 months

12. History of bilateral oophorectomy

13. Other unexplained gynecological complaints, such as clinically relevant abnormal
uterine bleeding patterns

14. Liver and/or renal insufficiency (aspartate aminotransferase and alanine
aminotransferase > 3 times the upper limit of normal and/or glomerular filtration
rate < 29 mL/min based on the Cockcroft and Gault formula)

15. Current clinically relevant endocrine disease or uncontrolled diabetes mellitus

16. Current clinically relevant neurological disease which, in the opinion of the
investigator, would compromise the validity of study results, or which could form a
contraindication for sildenafil and/or testosterone use

17. History of hormone-dependent malignancy

18. Vision impairment, such as partial or complete blindness or color blindness

19. Dyslexia

20. Positive test result for human immunodeficiency virus, hepatitis B, or hepatitis C
(acute and chronic hepatitis infection)

21. History of (childhood) sexual abuse that, in the opinion of the investigator, could
have negative psychological effects when testosterone is administered

22. (Treatment for) a psychiatric disorder that, in the opinion of the investigator,
would compromise the validity of study results or which could be a contraindication
for sildenafil and/or testosterone use

23. Current psychotherapeutic treatment for female sexual dysfunction

24. Current sexual disorder of vaginismus or dyspareunia according to the Diagnostic and
Statistical Manual of Mental Disorders, fourth edition (text revision).

25. A substance abuse disorder that, in the opinion of the investigator, is likely to
affect the subject's ability to complete the study or precludes the subject's
participation in the study (Mild or moderate alcohol consumption is allowed but must
be stopped 12 hours before the home measurement [Stroop task].)

26. Positive test result for illicit drugs

27. Use of potent CYP3A4 inhibitors (eg, ritonavir, ketoconazole, itraconazole
clarithromycin, erythromycin and saquinavir)

28. Use of potent CYP3A4 inducers (eg, carbamazepine, phenytoin, phenobarbital, St John‟s
wort, rifampin)

29. Use of nitrates or nitric oxide donor compounds

30. Use of selective serotonin reuptake inhibitors, tricyclic antidepressants, or other
antidepressants

31. Use of any other medication that interferes with study medication (eg, monoamine
oxidase [MAO] inhibitors [includes classic MAO inhibitors and linezolid])

32. Use of medication (including herbs) that would compromise the validity of study
results

33. Use of testosterone therapy within 6 months before study entry

34. Illiteracy, unwillingness, or inability to follow study procedures

35. Participation in other clinical trials within the last 30 days

36. Any other clinically significant abnormality or condition which, in the opinion of
the investigator, might interfere with the participant‟s ability to provide informed
consent or comply with study instructions, compromise the validity of study results,
or be a contraindication for sildenafil and/or testosterone use
We found this trial at
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100 West Gore St # 202
Orlando, Florida 32806
(407) 426-9299
Compass Research LLC Compass Research is a clinical research company dedicated to testing new medications...
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6141 Sunset Dr # 301
South Miami, Florida 33143
(305) 598-3125
Miami Research Associates Miami Research Associates (MRA) is the largest privately-owned multi-specialty clinical research center...
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4751 66th St N
St Petersburg, Florida 33709
727-347-8839
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