DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for pseudoachondroplasia — screening already-approved drugs against its 2-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.
Disease modulePseudoachondroplasia maps to a 2-gene Open Targets module — the target space DeCure's AI scientist screens approved drugs against.
DeCure.ai methodSignature reversal (LINCS) plus network proximity (STRING) rank already-approved drugs likely to perturb this module — the same engine that produces DeCure.ai's repurposing hypotheses.
Repurposing thesisScreening approved medicines against this disease module, then publishing the evidence for the strongest candidate. Known pharmacology and human exposure data make the first question sharper — they do not establish safety or efficacy in a new indication.
Research record
01
ResearchComing soon
Candidate research + dossier — target rationale, drug-repurposing thesis and evidence pack.proof: Published dossier + on-chain hash
02
ValidationComing soon
In-vitro biological validation at a contract research org (CRO).proof: CRO contract + in-vitro report
03
Peer review & paperComing soon
Peer-reviewed paper published open-access (preprint + journal).proof: DOI + open-access link + on-chain hash
Current lead
No approved-drug candidate for pseudoachondroplasia is corroborated in the literature DeepSearch retrieved. Some conditions are managed with non-pharmacological care — a device, surgery or physical therapy — rather than a medicine; that may be the case here, or the literature we found may simply be too sparse yet to support a drug-repurposing angle.
Molecular view
cartilage oligomeric matrix protein (COMP) — COMP is one of the genes genetically linked to this disease in Open Targets — shown as context, not as a drug target we're pursuing: no approved-drug candidate for this disease is yet corroborated in the literature we found.
Loading structure…
helix sheet apo structuredrag to rotate · scroll to zoom
RCSB Protein Data Bank · entry 3FBY · 3.15 Å · ligand none (apo structure). Experimental structure, not a prediction.
What the evidence adds up to
Pseudoachondroplasia is a rare genetic disorder caused by mutations in the COMP gene on chromosome 19, inherited as an autosomal dominant trait, though gonadal mosaicism in a grandparent can explain cases where unaffected parents have more than one affected child. The condition is distinct from achondroplasia: children have normal craniofacial appearance and normal intelligence, and short stature is not present at birth but appears by two to four years of age. A 2019 study of 141 patients, the largest cohort reported, found that all patients had severe dysplasia of the femoral head and acetabulum and lumbar lordosis; 89% had cervical vertebral changes, 58% had scoliosis, and 28% had kyphosis. Lower limb deformities included genu varum in 56%, genu valgum in 22%, and a windswept deformity in 22%. Premature arthritis of the hips and knees commonly occurs in the 20- to 30-year-old age group.
A 2017 case report describes a six-year-old boy with classical features including delayed walking, waddling gait, and lower limb deformities. A 2019 report on a Chinese family identified a heterozygous mutation in exon 15 of COMP (c.1675G > A, p.Glu559Lys) in a 30-year-old woman and her eight-year-old son, and predicted the mutation would damage COMP protein function. A 2025 review of published case reports catalogued various point mutations, deletions, and insertions in COMP that lead to pseudoachondroplasia by affecting the structure and function of the COMP protein.
No drug treatment is mentioned in any of these abstracts. The 2025 review notes that recent advances in next-generation sequencing enable precise, cost-effective, and rapid mutation detection across multiple genes, improving diagnostic accuracy and supporting informed reproductive decisions and genetic counselling. What remains missing is any clinical trial testing a pharmacological intervention, any funded effort to develop a therapy, and any stratification of patients by specific COMP mutation type that might guide future treatment attempts.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
American Journal of Medical Genetics · 1987 · 69 citations
Gonadal mosaicism in pseudoachondroplasia
AbstractWe report on a family in which a brother and sister have pseudoachondroplasia and normal parents. The brother married a normal woman, and they have 2 daughters; one of them has typical changes of pseudoachondroplasia, the other is normal. The most likely explanation in this family is gonadal (germinal cell) mosaicism in one of the grandparents. Other reports of possible autosomal recessive pseudoachondroplasia are reviewed. It is likely that gonadal mosaicism is responsible for a small percentage of cases with what appears to be a new mutation for pseudoachondroplasia.
American Journal of Medical Genetics · 1993 · 24 citations
Patient with double heterozygosity for achondroplasia and pseudoachondroplasia, with comments on these conditions and the relationship between pseudoachondroplasia and multiple epiphyseal dysplasia, Fairbank type
AbstractWe present a 7 1/2-year-old girl with achondroplasia and pseudoachondroplasia. Her mother has achondroplasia and her father has pseudoachondroplasia. Radiographic manifestations of these two conditions from infancy to age 6 years are outlined. The findings in this patient are compared with those of achondroplastic patients and pseudoachondroplastic patients of similar ages. Our review of radiographs of many pseudoachondroplastic patients and subsequently of those of patients with multiple epiphyseal dysplasia (MED), Fairbank type, reinforced our opinion that pseudoachondroplasia and multiple epiphyseal dysplasia, Fairbank type, are closely related conditions. MED, Fairbank type, may be the mildest form of pseudoachondroplasia. Recently published electron microscopic findings also suggest this.
Journal of Children s Orthopaedics · 2019 · 18 citations · open access
Orthopaedic manifestations of pseudoachondroplasia
AbstractPURPOSE: In 1959, Maroteaux and Lamy initially designated pseudoachondroplasia as a distinct dysplasia different from achondroplasia the most common form of skeletal dysplasia. Pseudoachondroplasia is caused by a mutation in the collagen oligomeric matrix protein gene (COMP) gene on chromosome 19p13.1-p12 encoding the COMP. The COMP gene mutations result in rendering the articular and growth plate cartilages incapable of withstanding routine biomechanical loads with resultant deformity of the joints. The purpose of the study was to characterize the typical orthopaedic findings in pseudoachondroplasia. METHODS: The charts and radiographs of 141 patients with pseudoachondroplasia were analyzed. This cohort, to our knowledge, represents the largest group of patients describing the typical orthopaedic manifestations of pseudoachondroplasia. RESULTS: Patients with pseudoachondroplasia have normal craniofacial appearance with normal intelligence. Short stature is not present at birth and generally appears by two to four years of age. The condition is a form of spondyloepiphyseal dysplasia and the long bones are characterized by dysplastic changes in the epiphysis, metaphysis and vertebral bodies. Radiographically the long bones have altered the appearance and structure of the epiphyses with small irregularly formed or fragmented epiphyses or flattening. The metaphyseal regions of the long bones show flaring, widening or 'trumpeting'. The cervical (89%) and thoracic and lumbar vertebrae show either platyspondyly, ovoid, 'cod-fish' deformity or anterior 'beaking'. Kyphosis (28%), scoliosis (58%) and lumbar lordosis (100%) are commonly seen. The femoral head and acetabulum are severely dysplastic (100%). The knees show either genu valgum (22%), genu varum (56%) or 'windswept' deformity (22%). CONCLUSION: Most commonly these distortions of the appendicular and the axial skeleton lead to premature arthritis particularly of the hips and often the knees not uncommonly in the 20- to 30-year-old age group. LEVEL OF EVIDENCE: III.
Journal of Comprehensive Pediatrics · 2017 · 0 citations · open access
Pseudoachondroplasia: A Rare Cause of Short Limbed Dwarfism
Abstract: Pseudoachondroplasia is a rare type of short-limbed skeletal dysplasia. It is usually found as an autosomal dominant inheritable disorder. Children are normal at birth and they present developmental delay in walking by the age of 2, an abnormal waddling gait or deformities of the lower limb. Diagnosis is based on characteristic clinical and radiological findings. This study reports on a 6-year-old boy with classical features of pseudoachondroplasia.
Genetic variations in pseudoachondroplasia: a review of case reports
AbstractINTRODUCTION: Pseudoachondroplasia is a rare and severe genetic disorder caused by a mutation in the COMP gene, making precise molecular diagnosis crucial for effective treatment. In the literature, case reports of patients with pseudoachondroplasia have consistently described novel mutations in the COMP gene. METHODS: This study aimed to review these published articles. The description includes the mutation in the COMP gene; clinical symptoms; and the sex, age, and height of the individual with pseudoachondroplasia. RESULTS: A review identified various point mutations, deletions, and insertions in the COMP gene that lead to pseudoachondroplasia by affecting the structure and function of the COMP protein. DISCUSSION: Recent advancements in next-generation sequencing make it essential to use comprehensive genetic screening for bone disorders such as pseudoachondroplasia because this testing enables precise, cost-effective, and rapid mutation detection across multiple genes, improving diagnostic accuracy and supporting informed reproductive decisions and genetic counseling.
Advances in Anthropology · 2019 · 0 citations · open access
A Chinese Family with Pseudoachondroplasia Caused by <i>COMP</i> Gene Mutation
AbstractPseudoachondroplasia (PSACH; MIM 177170) is a rare disease which was characterized by disproportionate short stature, deformity of the lower limbs, brachydactyly, loose joints, and ligamentous laxity. It is an autosomal dominant osteochondrodysplasia presented in childhood, and usually resolved with age, but osteoarthritis is progressive and severe. Genetic testing using the whole exome sequencing and Sanger sequencing was performed for the patients, a 30-year-old woman and her affected son, who is only 8 years old. A heterozygous mutationin exon 15 of COMP (c.1675G > A, p.Glu559Lys, NM 000095.2) was identified. The Polyphen-2 predicted that the mutation may damage the COMP protein function. This study suggested that the heterozygous mutations in COMP were responsible for PSACH and demonstrated the genotype-phenotype relationship between mutations in COMP and clinical characteristics of PSACH.
Disease module: DeepOracle (Open Targets). Structures: RDKit from PubChem SMILES. Literature: retrieved by DeepSearch across 234,678,978 indexed works (targeted per-candidate search), resolved on OpenAlex.
DeCure is a research and publication project, not medical advice and not a treatment. "DeCure for X" describes a research goal, not a claim that a cure exists. Backing a cure is a contribution to fund the research — it is not an investment, and confers no yield, royalty, equity or IP ownership. Papers are published open-access by the DeCure.ai DAO.
