"Gonadotropin Therapy in Idiopathic Hypogonadal Non-Obstructive Azoospermia (APHRODITE Groups 3-4): A Multicenter Randomized Controlled Trial"
"Gonadotropin Therapy in Idiopathic Hypogonadal Non-Obstructive Azoospermia (APHRODITE Groups 3-4): A Multicenter Randomized Controlled Trial"
The goal of this clinical trial is to determine whether short-term gonadotropin therapy (hCG + FSH) can increase sperm availability for ICSI in men with idiopathic non-obstructive azoospermia (NOA) and hypogonadism. The main questions it aims to answer are:
Does hormonal optimization improve the likelihood of obtaining usable sperm (via ejaculate or micro-TESE) by Week 16? Does hormonal therapy reduce the need for micro-TESE or improve downstream embryological and clinical outcomes?
Because there is a comparison group, researchers will compare hCG + FSH hormonal therapy with standard-of-care (no gonadotropins) to see if hormonal optimization increases sperm retrieval success and decreases surgical reliance.
Participants will:
Undergo baseline hormonal and semen testing Be randomized to either hormonal therapy or standard-of-care If in the hormonal arm: receive hCG and FSH with monthly dose titration and aromatase inhibitors if indicated Provide semen samples at Weeks 12 and 16 Undergo micro-TESE if no ejaculated sperm are found (timing per protocol) Complete safety assessments and follow-up through Week 16
Inclusion Criteria:
- Idiopathic NOA; hypogonadal (TT <350 ng/dL on two fasting morning tests); FSH ≥7.6 IU/L (APHRODITE Group 3: 7.6-12.0 IU/L; Group 4: >12.0 IU/L).
Exclusion Criteria:
cryptorchidism, chemo/radiation, genetic NOA (e.g., AZFa/complete AZFb), testicular trauma/torsion, post-orchitis. prior micro-TESE within 12 months; recent gonadotropin therapy (<6 months); uncontrolled endocrine disease; active malignancy; severe liver disease; polycythemia (Hct>50%); inability to comply. Varicocele>= Grade 3
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