Efficacy and Safety of Corifollitropin Alfa (MK-8962) in Combination With Human Chorionic Gonadotropin (hCG) in Adolescent Males With Hypogonadotropic Hypogonadism (HH) (MK-8962-043)

Inclusion Criteria: * Have legal representative who understands the study procedures, alternative treatments available and risks involved with the study, and voluntarily agrees to the individual's participation by giving written informed consent, and the individual has an age-appropriate understanding of the same to give informed written assent if applicable. * Diagnosed with hypogonadotropic hypogonadism (either isolated or associated with panhypopituitarism), either congenital or acquired with onset prior to puberty. * Have bilateral pre-gonadarche testes as defined by testicular volume \<4.0 mL for each testicle, as determined by ultrasound and assessed by the investigator (if qualified) or local radiologist with appropriate training and expertise in reading testicular ultrasound. Note: participants with a volume of \<4.0 mL in one testicle and a volume of 4-8 mL in the other testicle are considered to be pre-gonadarche and may participate, if there is no history or evidence of a primary testicular disorder (see Exclusion Criteria 1 and 2). * Have circulating levels of total testosterone (Total T) less than the lower limit of normal (LLN) of 8.3 nmol/L as specified by the central lab for a young healthy adult male. * Have follicle stimulating hormone (FSH) ≤2 IU/L and luteinizing hormone (LH) ≤2 IU/L. * Have inhibin-B levels ≤35 pg/mL. (Note: if individual has inhibin-B levels \>35 pg/mL, but meets all of the other inclusion/exclusion criteria, either a GnRH agonist (GnRH…