RARE DISEASERESEARCH ATLAS

ORPHA:950

Acrodysostosis

medium confidenceDisorder

Also known as: Acrodysostosis with or without multiple hormonal resistance · Acrodysplasia · Arkless-Graham syndrome · Maroteaux-Malamut syndrome

Publications

373

68.9th percentile

Trials

0

Interventional, condition-specific

Researchers

1,197

Distinct authors in sample

Gene link

Readiness

3/6

Stages with a signal

Clinical definition (Orphanet)

An acromelic that is characterized by severe brachydactyly, peripheral dysostosis with facial dysostosis, nasal hypoplasia, and .

How rare: How common this is has not been clearly measured.

Orphanet entry

Cross-references

Joined from Mondo / Orphanet. MeSH labels may enter searches; UMLS / OMIM / NCIT are stored for reference.

Additional Mondo synonyms (1)

acrodysplasia

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.”

3/6 stages with a signal

Research-stage checklist from open sources (GenCC, literature, Monarch when enriched, ClinicalTrials.gov). Not a prognosis or care recommendation.

  1. Gene identifiedNot found

    No GenCC disease–gene assertion in this build

  2. LiteraturePresent

    373 matched papers (212 in last 10 years) Source

  3. Phenotype characterisedPresent

    135 HPO annotations (e.g. Open mouth; Hypoplasia of the maxilla; Wide nasal bridge) Source

  4. Animal modelPresent

    1 genotype model (Mus musculus) Source

  5. Orphan designationNot found

    No FDA or EMA orphan-drug designation matched this disease via UMLS or preferred name Source

  6. Interventional trialNot found

    No matched interventional trial under our ClinicalTrials.gov rules

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)

135

Associated phenotypes · MONDO:0019797

  • Open mouth
  • Hypoplasia of the maxilla
  • Wide nasal bridge
  • Depressed nasal ridge
  • Brachydactyly

Showing 5 of 135 — open Monarch for the full list.

Animal models (Monarch / Alliance)

1

Model associations linked to this Mondo ID

Monarch fetch 2026-07-29

Therapies

Designations, candidates, and chemicals

FDA OOPD and EMA orphan designations, Open Targets clinical candidates, and CTD chemical associations via MyDisease.info. These never change the interventional-trial headline.

Orphan designation (FDA · EMA)

No designation matched this disease via UMLS or preferred name on the FDA OOPD mirror or EMA orphan register. Absence here is not proof that none exists under another wording.

Open Targets candidates

No drugs or clinical candidates returned for this Mondo ID on Open Targets.

CTD chemicals (MyDisease.info)

No CTD chemical associations returned for this Mondo ID.

Literature

Is anyone studying this?

373

373 papers have ever been published on this condition (under this name). For scale, breast cancer has over 700,000. Median papers in the last 10 years for a rare disease in this dataset (publications denominator n=3967) is 59.

373 papers since the earliest indexed year in this search — median last-10-year count for a rare disease in this dataset is 59 (publications denominator n=3967).

212 in the last 10 years · medium confidence · 68.9th percentile (publications denominator)

Phrase hits: 373 · MeSH hits: 0

Open Europe PMC search

Who's working on it?

1,197

Distinct author names in 200 sampled papers — named people below.

Who's working on it?

No interventional trial matched this name; these authors publish on it in the sampled literature — a practical starting point for contact.

  1. 01
    Mantovani G17 papers · 2025

    Endocrinology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.

    Papers in Europe PMC
  2. 02
    Linglart A16 papers · 2025

    Department of Endocrinology and Diabetology for Children and Department of Adolescent Medicine, AP-HP, Bicêtre Paris-Saclay University Hospital, 94270 Le Kremlin-Bicêtre, France.

    Papers in Europe PMC
  3. 03
    Silve C16 papers · 2020

    Inserm U1169, Bicêtre-Paris-Sud Hospital, Le Kremlin-Bicêtre, France.

    Papers in Europe PMC
  4. 04
    Elli FM13 papers · 2023

    Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Endocrinology and Diabetology Unit, Department of Clinical Sciences and Community Health, University of Milan, Via F. Sforza, 35, 20122 Milan, Italy.

    Papers in Europe PMC
  5. 05
    Jüppner H10 papers · 2023

    Mayo Clinic (B.L.C.), Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Rochester, Minnesota 55905; Harvard Medical School (E.M.B.), Division of Endocrinology, Diabetes and Hypertension, Boston, Massachusetts 02115; Skeletal Clinical Studies Unit (M.T.C.), Craniofacial and Skeletal Diseases Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland 20892; Endocrine Unit and Pediatric Nephrology Unit (H.J.), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114; First Department of Medicine (P.L.), Semmelweis University Medical School, Budapest 1085, Hungary; Division of Endocrinology and Diabetes (M.A.L.), Children's Hospital of Philadelphia, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania 19104; Massachusetts General Hospital (M.M.M.), Boston, Massachusetts 02114; Columbia University College of Physicians & Surgeons (J.P.B.), New York, New York 10032; Department of Hospital Surgery and Oncology of St Petersburg State Pediatric Medical Academy (A.F.R.), St. Petersburg 194100, Russia; and Academic Endocrine Unit (R.V.T.), Radcliffe Department of Medicine, University of Oxford, Oxford Centre for Diabetes, Endocrinology and Metabolism, Churchill Hospital, Oxford, OX3 7LJ, United Kingdom.

    Papers in Europe PMC
  6. 06
    Pereda A10 papers · 2023

    Molecular (Epi) Genetics Laboratory, Bioaraba Health Research Institute, Araba University Hospital, 01009 Vitoria-Gasteiz, Spain.

    Papers in Europe PMC
  7. 07
    Taylor SS10 papers · 2026

    Department of Pharmacology (D.J.R., N.A., J.S.G.), Department of Chemistry and Biochemistry (S.S.T.), and Moores Cancer Center (D.J.R., N.A., J.S.G.), University of California, San Diego, La Jolla, California; Laboratorio di Biologia Bio@SNS, Scuola Normale Superiore, Pisa, Italy (F.R.); and Department of Biochemistry, University of Kassel, Kassel, Germany (F.W.H.).

    Papers in Europe PMC
  8. 08
    Rothenbuhler A7 papers · 2025

    Department of Endocrinology and Diabetology for Children and Department of Adolescent Medicine, AP-HP, Bicêtre Paris-Saclay University Hospital, 94270 Le Kremlin-Bicêtre, France.

    Papers in Europe PMC
  9. 09
    Clauser E6 papers · 2017

    INSERM Unité 970, Centre de Recherche Cardiovasculaire, Hôpital Européen Georges Pompidou , Paris, France ; Département de Biologie Hormonale et Métabolique, Faculté de Médecine, Université Paris-Descartes, Assistance Publique-Hôpitaux de Paris (AP-HP), Laboratoire d'Oncogénétique, Hôpital Cochin , Paris, France.

    Papers in Europe PMC
  10. 10
    Cormier-Daire V6 papers · 2023

    Paris Cité University, Reference Center for Skeletal Dysplasia, INSERM UMR 1163, Imagine Institute, Necker Enfants Malades Hospital (AP-HP), Paris, France.

    Papers in Europe PMC

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).

Data as of 11 September 2026 · last trial check 11 September 2026

No matched interventional trials. This is true for 77.2% of diseases in the trials denominator (5501 of 7126). Here are the researchers publishing on it.

medium confidence · 38.6th percentile (trials denominator)

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.

See who's working on it — people publishing on this disease are often the practical next contact when no trial is listed.

General rare disease registries you may be eligible for

These studies enroll across many rare conditions. They are not counted as evidence that anyone is studying this specific disease.

Other registries (secondary)

Broader net from EU CTIS, ISRCTN, and ICTRP when available — deduped against ClinicalTrials.gov IDs already counted above. Dual-model LLM relevance gates what we keep. These rows are not added to the interventional headline.

raw 0 · after dedupe 0 · already on CT.gov 0 · kept 0 · parent 0 · uncertain 0 · dropped 0 · fetched 2026-07-29

Source notes: ictrp: Error: ICTRP public search unavailable (WHO portal is SPA-only; SOAP needs partnership). Tried: https://apps.who.int/tri

No secondary-registry studies passed dual-model relevance for this condition name (after dedupe).

Where to find support

Condition-specific patient organisations, when Orphanet lists them, are on the disease’s Orphanet page. We also link umbrella groups that support undiagnosed and ultra-rare families.

Orphanet entry for Acrodysostosis — check Associations / patient organisations on that page.

India — NPRD

Last verified 2026-07-26

This ORPHAcode is not on our curated NPRD list (direct or Mondo-parent match). That does not decide clinical eligibility; families in India should ask a notified Centre of Excellence about current coverage.

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.

"Acrodysostosis" OR "Acrodysostosis with or without multiple hormonal resistance" OR "Acrodysplasia" OR "Arkless-Graham syndrome" OR "Maroteaux-Malamut syndrome"

Run this search on Europe PMC

ClinicalTrials.gov query (quoted phrases + MeSH via query.cond, plus recall-expansion terms when used):

"Acrodysostosis" OR "Acrodysostosis with or without multiple hormonal resistance" OR "Acrodysplasia" OR "Arkless-Graham syndrome" OR "Maroteaux-Malamut syndrome"

Study-type breakdown: 0 interventional · 0 observational · 0 expanded access. Only interventional studies enter the trial headline.

Query health: ok — strategies attempted: phrase; with hits: phrase

Run this search on ClinicalTrials.gov

Confidence reasoning

  • Preferred label is short or not clearly distinctive
  • No synonyms dropped by stoplist
  • No label/synonym collisions with other diseases in this corpus

Ingested 2026-07-26T15:59:52.975Z