What is Tetragametic chimerism syndrome?
Tetragametic chimerism syndrome does not yet have FDA-approved treatments tracked on UniteRare.
Also known as:
Clinical phenotype terms— hover any for plain English:
- Abnormal scrotum morphologyHP:0000045
- Perineal hypospadiasHP:0000051
- Abnormality of the ovaryHP:0000137
- Clitoral hypertrophyHP:0008665
- Gonadal dysgenesis with female appearance, maleHP:0008723
- True hermaphroditismHP:0010459
- Blood group antigen abnormalityHP:0010970
- Abnormal cellular immune system morphologyHP:0010987
- Abnormality of multiple cell lineages in the bone marrowHP:0012145
- OvotestisHP:0012861
- Inheritance
- Sporadic
- Usually appears on its own, not inherited from a parent
- Age of Onset
- Variable
- Can begin at different ages, from infancy through adulthood
Treatments
Source: openFDA + DailyMed · NDA / BLA labels with structured indications · refreshed weekly
No FDA-approved treatments are currently listed for Tetragametic chimerism syndrome.
View clinical trials →Clinical Trials
View all trials with filters →Source: ClinicalTrials.gov · synced daily · phases, status, and PI names normalized at ingest
No actively recruiting trials found for Tetragametic chimerism syndrome at this time.
New trials open frequently. Follow this disease to get notified.
Specialists
View all specialists →Source: NPI Registry + PubMed · trial PI roles cross-referenced with ClinicalTrials.gov · ranked by match score (publications + PI activity + community signal)
No specialists are currently listed for Tetragametic chimerism syndrome.
Treatment Centers
8 centersSource: NORD Rare Disease Centers + NIH Undiagnosed Diseases Network (UDN) · centers verified active within last 12 months
Children's Hospital Colorado Rare Disease Program ↗
Children's Hospital Colorado
📍 Aurora, CO
👤 Boston Children's Hospital Rare Disease Program
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDBoston Children's Hospital Rare Disease Program ↗
Boston Children's Hospital
📍 Boston, MA
👤 Boston Children's Hospital Rare Disease Program
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
🏨 Children'sAnn & Robert H. Lurie Children's Hospital Genetics ↗
Lurie Children's Hospital
📍 Chicago, IL
👤 Boston Children's Hospital Rare Disease Program
🏥 NORDCincinnati Children's Hospital Medical Center ↗
Cincinnati Children's
📍 Cincinnati, OH
👤 Boston Children's Hospital Rare Disease Program
🏨 Children'sNationwide Children's Hospital Rare Disease Center ↗
Nationwide Children's Hospital
📍 Columbus, OH
👤 Boston Children's Hospital Rare Disease Program
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
Travel Grants
No travel grants are currently matched to Tetragametic chimerism syndrome.
Community
No community posts yet. Be the first to share your experience with Tetragametic chimerism syndrome.
Start the conversation →Latest news about Tetragametic chimerism syndrome
Source: PubMed + NIH RePORTER + openFDA + clinical-journal RSS · last 30 days · disease-tagged at ingest by AI extraction with human QC
No recent news articles for Tetragametic chimerism syndrome.
Follow this condition to be notified when news becomes available.
Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Common questions about Tetragametic chimerism syndrome
What is Tetragametic chimerism syndrome?
Tetragametic chimerism syndrome, also known as chimerism or tetragametic chimera, is an extremely rare genetic condition in which an individual possesses two genetically distinct cell lines originating from the fusion of two separate fertilized eggs (zygotes) during very early embryonic development. Essentially, two fraternal twin embryos merge into a single organism, resulting in one person carrying two complete sets of DNA. This condition is classified under ICD-10 code Q99.0 (Chimera 46,XX/46,XY). The condition can affect virtually any body system, as the two genetically distinct cell popul
How is Tetragametic chimerism syndrome inherited?
Tetragametic chimerism syndrome follows a sporadic inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
Frequently asked questions about Tetragametic chimerism syndrome
Auto-generated from canonical disease facts (Orphanet, OMIM, ClinicalTrials.gov, openFDA, NPPES). Not a substitute for clinical guidance.
What is Tetragametic chimerism syndrome?
Tetragametic chimerism syndrome is a rare disease catalogued in international rare-disease ontologies (Orphanet ORPHA:199310). It is typically inherited as sporadic. Age of onset is generally variable. For verified primary sources, see the UniteRare Tetragametic chimerism syndrome page.
How is Tetragametic chimerism syndrome inherited?
Tetragametic chimerism syndrome follows sporadic inheritance. Genetic counseling is recommended for affected families to understand recurrence risk in offspring and the likelihood of unaffected siblings being carriers. Variants in the underlying gene(s) may be identified via clinical genetic testing.
Are there FDA-approved treatments for Tetragametic chimerism syndrome?
Approved treatments for Tetragametic chimerism syndrome are tracked from openFDA and DailyMed primary sources. Many rare diseases have no specific FDA-approved therapy; for those, supportive care and management of complications form the basis of clinical care. Orphan-drug-designation status is noted where applicable.
Are there clinical trials for Tetragametic chimerism syndrome?
Active clinical trials for Tetragametic chimerism syndrome are tracked daily from ClinicalTrials.gov. Trial availability changes frequently; check the UniteRare trial listings for the current count and recruitment status. Sponsors of rare-disease research often welcome inquiries even when a trial is not actively recruiting at a given moment.
How do I find a specialist for Tetragametic chimerism syndrome?
Verified Tetragametic chimerism syndrome specialists are identified through ClinicalTrials.gov principal-investigator records, peer-reviewed publication authorship (via PubMed), and the NPPES NPI registry. NORD-designated Centers of Excellence and NIH-affiliated rare-disease clinics are also tracked. UniteRare's specialist directory is updated continuously as new evidence becomes available.
See full Tetragametic chimerism syndrome page for complete clinical details, sources, and verified-specialist listings.
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