Safety Study of Enclomiphene Citrate in the Treatment of Men With Secondary Hypogonadism

Inclusion Criteria:

1. Secondary hypogonadal males between the ages of 18 and 65

2. Men currently using topical testosterone products should wash-out for at least 7 daysbefore Visit 1.

3. All clinical laboratory tests within normal ranges (any clinically significantdeviation of laboratory results will require approval of sponsor)

4. Previously or concurrently diagnosed as having secondary hypogonadism and confirmedwith morning testosterone level < 350 ng/dL for men age < 55 and < 300ng/dl for menage 55-65

5. LH < 15mIU/mL (at Visit 1 only)

6. Ability to complete the study in compliance with the protocol

7. Ability to understand and provide written informed consent.

Exclusion Criteria:

1. Use of an injectable pelleted testosterone within 6 months prior to study (mencurrently on topical testosterone products may be enrolled in the study after a 7-daywashout period).

2. Use testosterone injection, spironolactone, cimetidine, Clomid, 5α-reductaseinhibitors, hCG, androgen, estrogen, anabolic steroid, DHEA, or herbal hormoneproducts during the study

3. Use of Clomid in the past year

4. Uncontrolled hypertension based on the Investigator's assessment at baseline. Subjectstreated for Type II diabetes will be allowed into the study.

5. A hematocrit ≥ 51% or a hemoglobin ≥ 17 g/dL

6. Clinically significant abnormal findings on screening examination, based on theInvestigator's assessment.

7. Use of an investigational drug or product, or participation in a drug or medicaldevice research study within 30 days prior to receiving study medication.

8. Known hypersensitivity to Clomid

9. Symptomatic cataracts (nuclear sclerosis cataract or cortical cataract grade > 2 basedon 0-4 scale or any trace of posterior subcapsular cataract)

10. Any condition which in the opinion of the investigator would interfere with theparticipant's ability to provide informed consent, comply with study instructions,possibly confound interpretation of study results, or endanger the participant if hetook part in the study

11. Irreversibly infertile or compromised fertility (cryptorchism, Kallman Syndrome,primary hypogonadism, or tumors of the pituitary)

12. Current or history of breast cancer

13. Current or history of prostate cancer or a suspicion of prostate disease unless ruledout by prostate biopsy, or a PSA > 3.6

14. Presence or history of known hyperprolactinemia with or without a tumor

15. Chronic use of medications use such as glucocorticoids

16. Chronic use of narcotics

17. Subjects know to be positive for HIV

18. End stage renal disease

19. Subjects with cystic fibrosis (mutation of the CFTR gene)

20. Enrollment in a previous Androxal study