ORPHA:99413
Turner syndrome due to structural X chromosome anomalies
Publications
0
Trials
0
Interventional, condition-specific
Researchers
0
Distinct authors in sample
Gene link
—
Readiness
0/6
Stages with a signal
Cross-references
Joined from Mondo / Orphanet. MeSH labels may enter searches; UMLS / OMIM / NCIT are stored for reference.
- MONDO:0020472
- UMLS:C5681631
Research stages
Trial readiness signals
Where this condition sits on an open-data research pipeline — not how close a treatment is, and not medical advice. Empty stages often mean “not in these databases under this Mondo ID,” not “impossible.”
0/6 stages with a signal
Search queries returned nothing — this usually means a naming mismatch, not proof that nothing exists.
- Gene identifiedNot found
No GenCC disease–gene assertion in this build
- LiteratureNot checked
Query returned nothing — not evidence of absence Source
- Phenotype characterisedNot checked
Not yet enriched from Monarch / HPO
- Animal modelNot checked
Not yet enriched from Monarch / Alliance
- Orphan designationNot checked
FDA/EMA orphan-drug designation not enriched yet
- Interventional trialNot checked
Broken query — trial zero not trusted
Biology
Genes and phenotypes
Gene–disease validity from GenCC, plus phenotypes and animal models joined from Monarch Initiative via Mondo ID — not a clinical diagnosis aid.
Do we know what causes it?
Not yet — the cause hasn't been pinned down in GenCC.
No strong gene–disease assertion joined for this Orphanet entity.
Phenotypes (Monarch / HPO)
Not enriched in this build — Monarch phenotype joins were not run for this record.
Animal models (Monarch / Alliance)
Not enriched in this build.
Literature
Is anyone studying this?
0
We found no papers under this exact name — work may still exist under another label.
0 in the last 10 years · low confidence
Phrase hits: 0 · MeSH hits: 0
Who's working on it?
0
Distinct author names in 0 sampled papers.
Who's working on it?
No author names could be extracted from the sampled publications. Try the Europe PMC query in “How we counted this,” or contact an umbrella rare-disease organisation for researcher referrals.
Clinical research
Is a treatment being tested?
0
interventional trials for this specific condition
No interventional trial testing a treatment matched this specific condition name on ClinicalTrials.gov (observational studies and pan-disease registries are listed separately when present). 47 trials are registered for Turner syndrome, the broader category — shown separately because they may or may not enrol this specific subtype.
Data as of 27 July 2026
No matched interventional trials. This is true for 73% of diseases in the trials denominator (5114 of 7003). Here are the researchers publishing on it.
low confidence
Recruiting interventional trials
From the matched ClinicalTrials.gov set
No interventional trial testing a treatment was found for this specific condition name on ClinicalTrials.gov.
47 interventional trials matched Turner syndrome, the broader category — listed below. Those studies are not counted in the condition-specific total.
Broader category: Turner syndrome
47
Interventional trials for the parent category, exclusive of NCT IDs already counted above. Eligibility for this subtype is not guaranteed.
Worth raising with a clinician. How we count trials.
Recruiting under the broader category
- NCT04252001·NOT YET RECRUITING·Growing up With the Young Endocrine Support System (YESS!)
Conditions: Congenital Adrenal Hyperplasia · Hypogonadotropic Hypogonadism · Growth Hormone Deficiency · Combined Pituitary Hormone Deficiency·Matched via name phrase
- NCT06544473·RECRUITING·Determining Dose Equivalence Between Oral and Transdermal Estrogen Treatment in Women With Turner Syndrome
Conditions: Turner Syndrome · Hypogonadism; Ovarian · Hormone Replacement Therapy · Estrogen Replacement Therapy·Matched via name phrase
- NCT06202846·RECRUITING·Identification of Y Chromosome From Free Circulating DNA in Patients With Turner Syndrome
Conditions: Turner Syndrome·Matched via name phrase
- NCT07041814·NOT YET RECRUITING·A Study Comparing Different Treatment Approaches for the Initiation of Puberty in Girls With Turner Syndrome Using a TRIFECTA-DARED Approach for Rare Diseases
Conditions: Turner Syndrome·Matched via name phrase
- NCT03836300·ENROLLING BY INVITATION·Parent and Infant Inter(X)Action Intervention (PIXI)
Conditions: Fragile X Syndrome · Angelman Syndrome · Prader-Willi Syndrome · Dup15Q Syndrome·Matched via name phrase
- NCT07221851·RECRUITING·Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Children and Adolescents With Short Stature or Growth Failure Due to Growth Hormone Sufficient Disorders
Conditions: Turner Syndrome · Short Stature Homeobox Gene Mutation · Idiopathic Short Stature · Small for Gestational Age at Delivery·Matched via name phrase
- NCT06834594·RECRUITING·Bleeding Patterns in Sequential and Continuous Progesterone Supplementation in Adolescents With Turner Syndrome
Conditions: Turner Syndrome · Primary Ovarian Insufficiency (Poi)·Matched via name phrase
- NCT06780514·RECRUITING·Cardiopulmonary Exercise Testing in Girls (8-18y) with Turner Sydrome.
Conditions: Turner Syndrome·Matched via name phrase
- NCT06570460·RECRUITING·Long Term Effects of Oral Versus Transdermal Estrogen Replacement Therapy in Turner Syndrome
Conditions: Turner Syndrome · Hypogonadism; Ovarian · Hormone Replacement Therapy · Estrogen Replacement Therapy·Matched via name phrase
- NCT07614152·RECRUITING·The Efficacy and Safety of Inpegsomatropin Injection in Children With Turner Syndrome (TS) and Short Stature
Conditions: Turner Syndrome·Matched via name phrase
- NCT05849389·RECRUITING·Vosoritide for Short Stature in Turner Syndrome
Conditions: Turner Syndrome · Short Stature·Matched via name phrase
- NCT05740579·RECRUITING·The Danish TURNER Cryopreservation Study
Conditions: Fertility Disorders · Turner Syndrome · Premature Ovarian Failure·Matched via name phrase
Where to find support
We do not yet link condition-specific patient organisations. These umbrella groups support undiagnosed and ultra-rare families:
India — NPRD
Last verified 2026-07-26Likely covered — the policy lists Turner syndrome as a category (Group 2), and this condition is a form of it. Confirm eligibility with a Centre of Excellence.
Group 2 — long-term / lifelong lower-cost interventions
NPRD envisages State Government support for dietary formulae, hormones, and other lower-cost interventions. This is a different route from the central CoE ₹50 lakh pathway; ask your state health department and a CoE which channel applies.
Central CoE funding may also apply depending on current rules — confirm with a notified Centre of Excellence. Do not assume the ₹50 lakh ceiling covers Group 2 by default. Verify
Centres of Excellence (15)
- All India Institute of Medical Sciences (AIIMS) — New Delhi, Delhi
- Maulana Azad Medical College — New Delhi, Delhi
- Sanjay Gandhi Post Graduate Institute of Medical Sciences — Lucknow, Uttar Pradesh
- Post Graduate Institute of Medical Education and Research (PGIMER) — Chandigarh, Chandigarh
- Centre for DNA Fingerprinting & Diagnostics with Nizam’s Institute of Medical Sciences — Hyderabad, Telangana
- King Edward Memorial Hospital — Mumbai, Maharashtra
- Institute of Post-Graduate Medical Education and Research (IPGMER) — Kolkata, West Bengal
- Centre for Human Genetics with Indira Gandhi Hospital — Bengaluru, Karnataka
- Institute of Child Health and Hospital for Children (ICH & HC) — Chennai, Tamil Nadu
- All India Institute of Medical Sciences (AIIMS) — Jodhpur, Rajasthan
- Sree Avittam Thirunal Hospital (SAT), Government Medical College — Thiruvananthapuram, Kerala
- All India Institute of Medical Sciences (AIIMS) — Bhopal, Madhya Pradesh
- Regional Institute of Medical Sciences (RIMS) — Imphal, Manipur
- All India Institute of Medical Sciences (AIIMS) — Patna, Bihar
- Assam Medical College & Hospital — Dibrugarh, Assam
Voluntary contributions / crowdfunding (separate from CoE funding): https://rarediseases.mohfw.gov.in/
Hand-curated for this project. ORPHAcode mappings are best-effort and may be incomplete or imprecise for umbrella categories. Parent (Mondo) matches mean the policy lists a broader category — confirm eligibility with a Centre of Excellence. Financial entitlements summarised from public policy statements and may change. This is not official government guidance.
How we counted this
Europe PMC query (preferred label + any corrected label + Orphanet and Mondo exact synonyms, stoplisted; unioned with resolved MeSH labels when available). UMLS / OMIM / NCIT cross-references are stored on the overview but are not added to the query string.
"Turner syndrome due to structural X chromosome anomalies"
ClinicalTrials.gov query (quoted phrases + MeSH via query.cond, plus recall-expansion terms when used):
"Turner syndrome due to structural X chromosome anomalies" OR "sex chromosome disorder of sex development"
Recall-expansion terms: sex chromosome disorder of sex development
Study-type breakdown: 0 interventional · 0 observational · 0 expanded access. Only interventional studies enter the trial headline.
Parent-category trials query:
"Turner syndrome"
Query health: broken — strategies attempted: phrase, recall-expansion; with hits: none
Parent literature probe: Turner syndrome (MONDO:0019499) — 25717 hits
Run this search on ClinicalTrials.gov
Confidence reasoning
- Preferred label is multi-word and distinctive
- No synonyms dropped by stoplist
- No label/synonym collisions with other diseases in this corpus
- Zero publications but parent term Turner syndrome has 25717 — literature likely indexed under a broader name
Ingested 2026-07-27T06:11:25.971Z · excluded from neglect metrics
