ORPHA:177
Rhizomelic chondrodysplasia punctata
Also known as: RCDP
Publications
827
76.8th percentile
Trials
1
Interventional, condition-specific
Researchers
914
Distinct authors in sample
Gene link
—
Readiness
5/6
Stages with a signal
Clinical definition (Orphanet)
A rare, primary bone characterized by rhizomelic limb shortening, punctate calcifications in cartilage with epiphyseal and metaphyseal abnormalities (chondrodysplasia punctata) and coronal cleft vertebrae associated with profound postnatal growth deficiency, early-onset cataracts, severe and .
How rare: How common this is has not been clearly measured.
Cross-references
Joined from Mondo / Orphanet. MeSH labels may enter searches; UMLS / OMIM / NCIT are stored for reference.
- MONDO:0015776
- MeSH:D018902
- UMLS:C0282529
- NCIT:C85047
Additional Mondo synonyms (3)
rhizomelic chondrodysplasia punctata · rhizomelic chondrodysplasia punctata syndrome · rhizomelic dwarfism
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.”
5/6 stages with a signal
An interventional trial matched this condition name on ClinicalTrials.gov — see trials below.
- Gene identifiedNot found
No GenCC disease–gene assertion in this build
- LiteraturePresent
827 matched papers (314 in last 10 years) Source
- Phenotype characterisedPresent
125 HPO annotations (e.g. Short femur; Short humerus; Anteverted nares) Source
- Animal modelPresent
4 genotype models (Mus musculus) Source
- Orphan designationPresent
1 FDA designation (1 FDA orphan-indication approval) — e.g. 1-(((Z)-hexadec-1-en-1-yl)oxy)-3-((2-oxido-1,3,2-oxazaphospholidin-2-yl)oxy)propan-2-yl (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoate Source
- Interventional trialPresent
1 matched on ClinicalTrials.gov
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)
125
Associated phenotypes · MONDO:0015776
- Short femur
- Short humerus
- Anteverted nares
- Disproportionate short stature
- Inguinal hernia
Showing 5 of 125 — open Monarch for the full list.
Animal models (Monarch / Alliance)
4
Model associations linked to this Mondo ID
- Pex7tm1Nbra/Pex7tm1Nbra [background:] involves: 129S/SvEv * C57BL/6·MGI:4443126·Mus musculus
- Gnpattm1Just/Gnpattm1Just [background:] involves: 129S1/Sv * 129X1/SvJ * C57BL/6·MGI:2670462·Mus musculus
- Agpsbs2/Agpsbs2 [background:] STOCK Agpsbs2/J·MGI:4949537·Mus musculus
- Pex7tm1Rjaw/Pex7tm1Rjaw [background:] Swiss·MGI:3052846·Mus musculus
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)
1
Designation · 1 with FDA orphan-indication approval
- FDA 1-(((Z)-hexadec-1-en-1-yl)oxy)-3-((2-oxido-1,3,2-oxazaphospholidin-2-yl)oxy)propan-2-yl (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoateRhizomelic chondrodysplasia punctata · 2019-08-08 · Not FDA Approved for Orphan Indication
Sources: FDA OOPD · EMA orphan designations
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?
827
827 papers have been published on this condition. That is a real research literature — still far smaller than common diseases (breast cancer: over 700,000 papers). Median papers in the last 10 years for a rare disease in this dataset (publications denominator n=3967) is 59.
827 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).
314 in the last 10 years · medium confidence · 76.8th percentile (publications denominator)
Phrase hits: 827 · MeSH hits: 0
Who's working on it?
914
Distinct author names in 200 sampled papers — named people below.
Who's working on it?
People publishing on this condition (sampled Europe PMC records). Affiliation is the most recent found in that sample.
- 01Wanders RJ25 papers · 2015
University of Amsterdam, Academic Medical Centre, Department of Clinical Chemistry, The Netherlands.
Papers in Europe PMC - 02Braverman N11 papers · 2025
Department of Pediatrics and Human Genetics, McGill University, Montreal, QC, Canada.
Papers in Europe PMC - 03Schutgens RB11 papers · 1996
University Hospital of Amsterdam, Department of Pediatrics, The Netherlands.
Papers in Europe PMC - 04Braverman NE10 papers · 2023
Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada. Electronic address: nancy.braverman@mcgill.ca.
Papers in Europe PMC - 05
- 06Poll-The BT7 papers · 2021
Amsterdam University Medical Center, Amsterdam, The Netherlands.
Papers in Europe PMC - 07Waterham HR7 papers · 2021
Laboratory Genetic Metabolic Diseases, Departments of Pediatrics and Clinical Chemistry, Academic Medical Center, University of Amsterdam, 1105 AZ, Amsterdam, The Netherlands.
Papers in Europe PMC - 08Berger J6 papers · 2026
Department of Pathobiology of the Nervous System, Center for Brain Research, Medical University of Vienna, Vienna, Austria.
Papers in Europe PMC - 09Brites P6 papers · 2021
Neurolipid Biology, Instituto de Investigação e Inovação em Saúde da Universidade do Porto - i3S, Porto, Portugal; Instituto de Biologia Molecular e Celular - IBMC, Porto, Portugal. Electronic address: pedro.brites@ibmc.up.pt.
Papers in Europe PMC - 10Fallatah W6 papers · 2025
Department of Genetic Medicine, King AbdulAziz University, Jeddah 21589, Saudi Arabia.
Papers in Europe PMC
Clinical research
Is a treatment being tested?
1
interventional trials for this specific condition
1 interventional trial matched this specific condition name; none in our sample are currently recruiting.
Data as of 11 September 2026
1 interventional trial — more than 77.2% of diseases in the trials denominator have none at all (5501 of 7126; this disease is at the 80.1th percentile).
medium confidence · 80.1th percentile (trials denominator)
Recruiting interventional trials
From the matched ClinicalTrials.gov set
1 interventional trials matched after quoted-phrase search and title/condition post-filter.
No currently recruiting studies in the matched set. Open the same search on ClinicalTrials.gov.
Broader category: chondrodysplasia punctata
0
Interventional trials for the parent category, exclusive of NCT IDs already counted above. Eligibility for this subtype is not guaranteed.
Parent-category matching found a broader label but no interventional trials under it. How we count trials.
Observational and natural-history studies
3 observational studies match this condition. These do not test a treatment and are not counted in the interventional-trial headline, but they are genuine research: natural-history work often defines the endpoints needed for a future rare-disease trial, and families may be able to enroll.
Recruiting or not-yet-recruiting
- NCT01668186·RECRUITING·Longitudinal Natural History Study of Patients With Peroxisome Biogenesis Disorders (PBD)
Not reviewed·Conditions: Peroxisome Biogenesis Disorder · Zellweger Spectrum Disorder · RCDP - Rhizomelic Chondrodysplasia Punctata · D-Bifunctional Protein Deficiency·Matched via name phrase
- NCT04569162·RECRUITING·Rhizomelic Chondrodysplasia Punctata Registry
Not reviewed·Conditions: RCDP - Rhizomelic Chondrodysplasia Punctata · RCDP1 · RCDP2 · RCDP3·Matched via name phrase
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 1 · after dedupe 1 · already on CT.gov 0 · kept 0 · parent 0 · uncertain 1 · 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).
Uncertain / not reviewed (1)
- isrctn·ISRCTN44820021·No longer recruiting·Alcohol supplementation in rhizomelic chondrodysplasia punctata in the Netherlands
skipped — LLM skipped (--skip-llm)
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 Rhizomelic chondrodysplasia punctata — check Associations / patient organisations on that page.
India — NPRD
Last verified 2026-07-26This 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.
("Rhizomelic chondrodysplasia punctata" OR "rhizomelic chondrodysplasia punctata syndrome" OR "rhizomelic dwarfism")ClinicalTrials.gov query (quoted phrases + MeSH via query.cond, plus recall-expansion terms when used):
"Rhizomelic chondrodysplasia punctata" OR "rhizomelic chondrodysplasia punctata syndrome" OR "rhizomelic dwarfism"
Interventional trials matched via: phrase (mesh = registered under a MeSH descriptor no name phrase would catch; recall-expansion = gene / selected parent terms used only for trials).
Study-type breakdown: 1 interventional · 3 observational · 0 expanded access. Only interventional studies enter the trial headline.
Parent-category trials query:
"chondrodysplasia punctata"
Query health: ok — strategies attempted: phrase; with hits: phrase
Run this search on ClinicalTrials.gov
Synonyms dropped by stoplist: RCDP
Confidence reasoning
- Preferred label is multi-word and distinctive
- 1 synonym(s) dropped by stoplist (may under-count)
- No label/synonym collisions with other diseases in this corpus
Ingested 2026-07-26T12:45:59.819Z
