RARE DISEASERESEARCH ATLAS

ORPHA:541423

Growth delay-intellectual disability-hepatopathy syndrome

high confidenceDisorder

Query health: suspect — Only one of 2 strategies returned hits (phrase).

Publications

12

28.7th percentile

Trials

0

Interventional, condition-specific

Researchers

95

Distinct authors in sample

Gene link

IARS1

Strong

Readiness

2/6

Stages with a signal

Clinical definition (Orphanet)

A rare, genetic, syndromic disease characterized by severe intrauterine and post-natal growth delay, moderate to severe , and -onset hepatopathy with fibrosis, steatosis, and/or cholestasis, occasionally leading to liver failure. Additional variable manifestations include muscular , zinc deficiency, recurrent infections, diabetes mellitus, joint contractures, skin and joint laxity, hypervitaminosis D, and sensorineural hearing loss.

How rare: <1 / 1 000 000 — fewer than one in a million. In a city the size of Kolkata, that might mean on the order of fifteen people.

Orphanet entry

Cross-references

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

Additional Mondo synonyms (4)

GRIDHH · Growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy · growth retardation, impaired intellectual development, hypotonia, and hepatopathy · growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy; GRIDHH

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.”

2/6 stages with a signal

No matched interventional trial; the gene is known and literature exists — preclinical or natural-history work may still be the practical next step.

  1. Gene identifiedPresent

    Strong — IARS1

  2. LiteraturePresent

    12 matched papers (11 in last 10 years) Source

  3. Phenotype characterisedNot checked

    Not yet enriched from Monarch / HPO

  4. Animal modelNot checked

    Not yet enriched from Monarch / Alliance

  5. Orphan designationNot checked

    FDA/EMA orphan-drug designation not enriched yet

  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?

Yes — we know a specific gene responsible (IARS1).

GenCC classification: Strong.

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?

12

12 papers have ever been indexed 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=5449) is 41.

12 papers since the earliest indexed year in this search — median last-10-year count for a rare disease in this dataset is 41 (publications denominator n=5449).

11 in the last 10 years · high confidence · 28.7th percentile (publications denominator)

Phrase hits: 12 · MeSH hits: 0

Open Europe PMC search

Who's working on it?

95

Distinct author names in 12 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
    Liu F2 papers · 2025

    BGI Genomics, BGI-Shenzhen, Shenzhen 518083, China.

    Papers in Europe PMC
  2. 02
    Wang J2 papers · 2023

    Department of Medical Genetics and Molecular Diagnostic Laboratory, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai 200127, China.

    Papers in Europe PMC
  3. 03
    Wei X2 papers · 2021

    Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai 201204, China.

    Papers in Europe PMC
  4. 04
    Antonellis A1 paper · 2025

    Department of Human Genetics University of Michigan Ann Arbor Michigan USA.

    Papers in Europe PMC
  5. 05
    Carlens J1 paper · 2025

    Clinic for Pediatric Pneumology, Hannover Medical School, Hannover, Germany.

    Papers in Europe PMC
  6. 06
    Cavalcanti ARO1 paper · 2022

    Department of Biology, Pomona College, Claremont, CA, United States.

    Papers in Europe PMC
  7. 07
    Chen L1 paper · 2023

    Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, City Harbin, Province Heilongjiang, China.

    Papers in Europe PMC
  8. 08
    Coller JM1 paper · 2019

    Department of Genetics and Genome Sciences and Center for RNA Science and Therapeutics, Case Western Reserve University, Cleveland, Ohio 44106, USA; email: ashleigh.schaffer@case.edu.

    Papers in Europe PMC
  9. 09
    Cui S1 paper · 2021

    BGI Genomics, BGI-Shenzhen, Shenzhen 518083, China.

    Papers in Europe PMC
  10. 10
    Dattner T1 paper · 2025

    Medical Faculty Heidelberg, Center for Paediatric and Adolescent Medicine, Department I, Division of Paediatric Neurology and Metabolic Medicine, Heidelberg University, Heidelberg, Germany.

    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 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.

high confidence · 36.5th 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.

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 2026-07-26

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.

"Growth delay-intellectual disability-hepatopathy syndrome" OR "GRIDHH" OR "Growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy" OR "growth retardation, impaired intellectual development, hypotonia, and hepatopathy" OR "growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy; GRIDHH"

Run this search on Europe PMC

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

"Growth delay-intellectual disability-hepatopathy syndrome" OR "GRIDHH" OR "Growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy" OR "growth retardation, impaired intellectual development, hypotonia, and hepatopathy" OR "growth retardation, intellectual developmental disorder, hypotonia, and hepatopathy; GRIDHH" OR "IARS1"

Recall-expansion terms: IARS1

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

Query health: suspect — strategies attempted: phrase, recall-expansion; with hits: phrase

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

Ingested 2026-07-27T18:13:52.506Z