Androxal in Male Infertility

Inclusion Criteria: * Men having idiopathic male infertility with sperm concentration \<15million/ml (on 2 baseline semen analyses) * Serum total testosterone \< 300ng/dL if oligospermia (sperm concentration \<15million/ml) * Any testosterone if nonobstructive azoospermia (no sperm in the ejaculate) * Men aged 18-35 living in stable relationship and desiring fertility * Normal female partner evaluation as reported by the patient * Ability to complete the study in compliance with the protocol * Ability to understand and provide written informed consent Exclusion Criteria: * Men desiring operation for fertility (i.e. varicocelectomy) or couples desiring assisted reproductive technologies such as intrauterine insemination IUI, in vitro fertilization IVF and intracytoplasmic sperm injection ICSI) within study completion (5 months) * Clinically significant medical condition rendering the subjects infertile including tumors of the pituitary, laboratory abnormalities * Patients having received an investigational drug / clomiphene citrate, antioxidants, multi-vitamin in the past 30 days prior to study * Previous treatment with androgens, estrogens, DHEA, testosterone or testosterone analogues in injectable, oral, topical or other forms for the treatment of AIHH who have not discontinued for at least 1 month prior to the start of the treatment phase * Clinically significant abnormal findings on screening examination as determined by the investigator * Known hypersensitivity to clom…