FSH Receptor Polymorphism p.N680S and Efficacy of FSH Therapy
Significance of the FSH Receptor Polymorphism p.N680S for the Efficacy of FSH Therapy of Idiopathic Male Infertility: a Pharmacogenetic Approach
1 other identifier
interventional
88
2 countries
6
Brief Summary
CONDITION: Idiopathic male infertility In men with idiopathic infertility, the sperm DNA fragmentation index (DFI) within 12 weeks of FSH therapy and 12 weeks follow-up improves depending on the FSHR genotype as assessed by the non-synonymous SNP rs6166 (wild type or p.N680S). This is a phase II b, multicenter, prospective, open label, one arm, clinical trial stratified according to the patient's genotype. INTERVENTION: FSH therapy (150 I.U. sc every other day for 12 weeks) in infertile men who are homozygous for the wild-type FSHR or the p.N680S allele of the FSHR. Duration of intervention per patient: 12 weeks Primary efficacy endpoint: Sperm DFI. Number of patients with an improvement in DFI \> 60% Key secondary endpoint(s): pregnancy, semen parameters, serum levels of inhibin B and AMH.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Jan 2011
Longer than P75 for phase_2
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2014
CompletedFirst Submitted
Initial submission to the registry
January 16, 2015
CompletedFirst Posted
Study publicly available on registry
January 29, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2015
CompletedJuly 12, 2016
July 1, 2016
3.9 years
January 16, 2015
July 11, 2016
Conditions
Outcome Measures
Primary Outcomes (1)
Sperm DFI
"after 12 weeks"
Secondary Outcomes (2)
Sperm DFI (DNA Fragmentation Index)
"Baseline"
Sperm DFI
"after 24 weeks"
Other Outcomes (12)
Pregnancy rate
"baseline"
Pregnancy rate
"After 12 weeks"
Pregnancy rate
"after 24 weeks"
- +9 more other outcomes
Study Arms (2)
Arm 1
EXPERIMENTALFSHR A680G SNP homozygous for allele N treated with follitropin alpha
Arm 2
EXPERIMENTALFSHR A680G SNP homozygous for allele S treated with follitropin alpha
Interventions
All subjects included in the study will receive recombinant FSH therapy (follitropin alpha: Gonal-f 150 I.U. s.c. every other day for 12 weeks). Follow up: 12 further weeks after end of treatment. Previous studies included in the Cochrane meta-analysis used: hMG/hCG, 150 IU three times a week for 13 weeks; purified FSH, 150 IU/day for 12 weeks; rec hFSH, 150 IU/day for 12 weeks; rec hFSH, 100 IU on alternate days for 3 months. Therefore any dosage \> 100 IU on alternate days is eligible. The duration of treatment is based on the duration of one spermatogenetic cycle.
Eligibility Criteria
You may qualify if:
- age 20-50 years
- idiopathic male factor infertility for at least one year;
- homozygous FSHR allele at codon 680 (wild type: Asn/Asn or Ser/Ser);
- sperm DFI \> 15%;
- normal serum FSH levels (\< 8 IU/L)
- normal serum LH, testosterone, prolactin and estradiol levels
- normal ovulatory female partner These men might have impaired ejaculate parameters (decreased sperm count and/or decreased proportion of sperm with progressive motility and/or decreased proportion of sperm with normal morphology) of unknown aetiology.
You may not qualify if:
- azoospermia
- all known aetiologies of male infertility (endocrine disorders, genetic disorders, chromosome abnormalities, congenital bilateral absence of the vas deferens, microdeletions within the AZF regions of the Y chromosome, varicocele, cryptorchidism, infections, immunological infertility, and obstructive infertility)
- all known aetiologies of female infertility in the partner (tubal blockage, endocrine abnormalities including anovulation and PCO, anatomical abnormalities, infections)
- heterozygous FSHR allele at codon 680
- drug abuse and major systemic diseases
- testicular insufficiency
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Azienda USL Modenalead
- University of Roma La Sapienzacollaborator
- University of Halle Medical Facultycollaborator
- Istituto Clinico Humanitascollaborator
- University of Padovacollaborator
- University of Florencecollaborator
Study Sites (6)
Zentrums für Reproduktions-medizin und Andrologie Universitätsklinikum Halle (Saale), Martin-Luther-Universität Halle-Wittenberg
Halle, 06120, Germany
Dipartimento di Ginecologia e Medicina della Riproduzione IRCCS Istituto Clinico Humanitas,
Rozzano, Milan, 20089, Italy
Andrology Unit Department of Clinical Physiopathology
Florence, 50139, Italy
AziendaUSLModena
Modena, 41126, Italy
University of Padova Department of Histology, Microbiology and Medical Biotechnologies Clinical Pathology Section & Centre for Male Gamete Cryopreservation
Padua, 35121, Italy
Department of Medical Pathophysiology, University of Rome La Sapienza, Lab of Seminology & Immunology of Reproduction
Rome, Italy
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Manuela Simoni, MD, PhD
Azienda USL Modena
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NON RANDOMIZED
- Masking
- SINGLE
- Who Masked
- CARE PROVIDER
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
January 16, 2015
First Posted
January 29, 2015
Study Start
January 1, 2011
Primary Completion
December 1, 2014
Study Completion
December 1, 2015
Last Updated
July 12, 2016
Record last verified: 2016-07