E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Idiopathic male infertility (including oligoasthenozoospermia) |
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E.1.1.1 | Medical condition in easily understood language |
Unexplained reduction of semen quality in men |
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E.1.1.2 | Therapeutic area | Diseases [C] - Male diseases of the urinary and reproductive systems [C12] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10021929 |
E.1.2 | Term | Infertility male |
E.1.2 | System Organ Class | 10038604 - Reproductive system and breast disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
- To investigate the effect of FE 999049 treatment of men with idiopathic infertility on the chance of spontaneous pregnancy in their female partners |
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E.2.2 | Secondary objectives of the trial |
- To investigate the effect of FE 999049 on semen parameters and endocrine profiles in men with idiopathic infertility - To evaluate the safety and immunogenicity of FE 999049 in men with idiopathic infertility |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• History of infertility for 12-60 months with current partner at randomisation. • Men between the ages of 18 and 50 years. • Total sperm count 5-39 million at screening; confirmed by two consecutive samples taken ≥2 weeks apart before randomisation. • Total motile sperm count of 5-16 million at screening; confirmed by two consecutive samples taken ≥2 weeks apart before randomisation. • Semen volume ≥1.4 mL at screening; confirmed by two consecutive samples taken ≥2 weeks apart before randomisation. • Serum follicle-stimulating hormone (FSH) levels of 1.5-8.0 IU/L (measured at central laboratory) at screening. • Serum luteinising hormone (LH) levels of 1.2-7.5 IU/L (measured at central laboratory) at screening. • Serum total testosterone levels of ≥300 ng/dL (equals ≥10.4 nmol/L; measured at central laboratory) at screening. • Agree to have regular intercourse with current female partner with the intent of spontaneous conception within 9 months from randomisation. • Agree to provide information on female partner's positive urine pregnancy test(s) and documentation of ultrasound(s), delivery, and neonatal/infant health. • Current partner fulfilling the criteria below: - Pre-menopausal woman between the ages of 18 and 35 years. - Regular menstrual cycles of 21-35 days. - No history or current condition of pelvic inflammatory disease, endometriosis stage II-IV by definite or empirical diagnosis, or tubal ligation. - Agree not to obtain infertility treatment outside of this trial for 9 months from randomisation of male subject.
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E.4 | Principal exclusion criteria |
• Previous FSH treatment not leading to conception. • Past or current use of finasteride within 3 months prior to screening. • Any history of anatomical disorder of the pituitary gland or testes. • Any structural abnormalities of the vas deferens (unilateral or bilateral) at screening. • Any known, clinically significant, systemic disease in addition to the trial indication that might negatively impact fertility. • Known history or presence of clinical varicocele (subclinical and Grade 1 varicocele are acceptable). • Known history of cryptorchidism, testicular torsion, or orchitis. • Known abnormal karyotype (including Y-chromosome microdeletion). • Current or past treatment of urogenital (kidney, bladder, testicular, or prostate) cancer as well as history of chemo- or radiotherapy that can have impact on testes. • Any known uncontrolled non-gonadal endocrinopathies (thyroid, adrenal, pituitary disorders). • Administration of hormonal preparations, agents known to impair testicular function or affect sex hormone secretion, and known or suspected teratogens within 3 months prior to screening. Administration of anabolic steroids within 12 months prior to screening.
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E.5 End points |
E.5.1 | Primary end point(s) |
Spontaneous pregnancy observed in female partner within 9 months after randomisation of male subject, where spontaneous pregnancy is defined as vital pregnancy (documentation of at least one intrauterine gestational sac with fetal heartbeat by ultrasound) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Within 9 months after randomisation |
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E.5.2 | Secondary end point(s) |
- Positive βhCG (positive urine βhCG test) observed in female partner - Time from randomisation to spontaneous pregnancy observed in female partner in calendar time and number of menstrual cycles - Changes in semen parameters (semen volume, sperm concentration, total count, motility, morphology, and DNA fragmentation) from prerandomisation to 3, 6, and 9 months after randomisation - Treatment responders defined by either spontaneous pregnancy observed in female partner, or increase of total sperm count or total motile sperm count to 50% over average baseline at 6 and/or 9 months - Changes in serum hormone concentrations (follicle-stimulating hormone [FSH], luteinising hormone [LH], inhibin B, testosterone, and estradiol) from randomisation to 3 and 6 months after randomisation - Changes in free testosterone concentration from randomisation to 3 and 6 months after randomisation - Treatment-induced anti-FSH antibodies, overall as well as with neutralising capacity - Immune-related adverse events |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Timepoint as indicated in each applicable endpoint. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 11 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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End of trial is post-trial follow-up period completed Q3 2026 |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 4 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | 26 |
E.8.9.2 | In all countries concerned by the trial years | 4 |
E.8.9.2 | In all countries concerned by the trial months | 7 |
E.8.9.2 | In all countries concerned by the trial days | 10 |