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An extremely rare autosomal recessive condition, characterized by an extreme scarcity of fat in the subcutaneous tissues.
No HPO annotations are available for this condition.
Age of onset: at birth.
Berardinelli-Seip congenital lipodystrophy (BSCL) is mostly diagnosed at birth or soon thereafter. Severe forms of BSCL may have prenatal onset with intrauterine growth retardation. Presentation in the first months of life includes failure to thrive (or conversely gigantism), hepatomegaly, lipoatrophy, facial dysmorphia, enlarged tongue, or developmental delay. All children with the neonatal or infantile presentation demonstrate lipoatrophy in the first year of life. Affected adults may first be seen in the plastic surgery clinic seeking cosmetic improvement of facial lipoatrophy or in the cardiology clinic or gastroenterology clinic for manifestations such as hypertrophic cardiomyopathy or hepatomegaly.
Berardinelli-Seip congenital lipodystrophy (BSCL) should be suspected in individuals with one or more of the following major and/or minor findings.
Lipoatrophy affecting the trunk, limbs, and face. Generalized lipodystrophy is apparent at birth. In some individuals, the face may be normal at birth with lipoatrophy becoming apparent during the first months of life. Lipoatrophy gives an athletic appearance, especially because skeletal muscle hypertrophy is also present. Acromegaloid features include gigantism, muscular hypertrophy, advanced bone age, prognathism, prominent orbital ridges, enlarged hands and feet, clitoromegaly, and enlarged external genitalia in males. Hepatomegaly.
No approved treatments are currently available for congenital generalized lipodystrophy. The disease remains an area of unmet medical need.
To establish the extent of disease and needs in an individual diagnosed with Berardinelli-Seip congenital lipodystrophy (BSCL), the following clinical evaluations are recommended:
Complete blood count
The following are appropriate:
Periodic screening for glycosuria as a manifestation of diabetes mellitus
For individuals with diabetes mellitus, follow-up in a diabetes clinic every six months to monitor for possible retinal, peripheral nerve, and renal complications
5 clinical trials registered, 2 recruiting. Interventions under study include drug therapy. Pipeline includes 4 PHASE3. Research is sponsored by a mix of industry and academic institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT06502990](https://clinicaltrials.gov/study/NCT06502990) |
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 3:30 AM UTC
Endocrinologic findings
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
Congenital generalized lipodystrophy 3 (CGL3) (OMIM 612526). Individuals with this condition typically have serum creatine kinase concentrations between 2.5 and ten times the upper limit of normal in addition to features resembling classic BSCL . Two sibs of Hispanic ancestry with a homozygous CAV1 pathogenic missense variant and hypotonia, elevated serum creatine kinase, atlas-axis instability, and generalized lipodystrophy have been described . Congenital generalized lipodystrophy 4 (CGL4) (OMIM 613327).
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
Biomarker and diagnostic research for congenital generalized lipodystrophy has been reported in the published literature.
Serum concentration of electrolytes, AST, alanine transaminase, urea, creatinine, insulin, C-peptide, triglycerides, and cholesterol
Oral glucose tolerance test; when appropriate, clamp glucose homeostasis study
Ultrasound of the liver to evaluate liver size and fatty content
Echocardiogram to evaluate for cardiac hypertrophy
Renal ultrasound examination to evaluate for kidney size
Physical examination for orthopedic complications including reduced hip mobility and genu valgum
Skeletal survey, especially of the long bones, to evaluate for bone cysts
Bone age and assessment of sexual maturity rating/pubertal status
Complete ophthalmologic examination, including slit lamp examination, to evaluate for ophthalmologic complications due to hyperlipemia and/or diabetes mellitus
Assessment of cognitive ability with age-appropriate scales
Consultation with a clinical geneticist and/or genetic counselor
Restriction of total fat intake between 20% and 30% of total dietary energy is often sufficient to maintain normal triglyceride serum concentration. Fibric acid derivatives and n-3 polyunsaturated fatty acids derived from fish oils can be tried for the treatment of extreme hypertriglyceridemia.
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
Excessive dietary fat intake should be avoided.
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
Search ClinicalTrials.gov in the US and EU Clinical Trials Register in Europe for information on clinical studies for a wide range of diseases and conditions. Note: There may not be clinical trials for this disorder.
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
5 trials found
Yearly or biennial liver ultrasound examination to detect fatty infiltration
Ultrasound surveillance is a noninvasive procedure that can, along with serum lipid concentrations and liver enzymes, provide information on the degree of lipid control and compliance with the fat-restricted diet.
Source: GeneReviews — "Berardinelli-Seip Congenital Lipodystrophy"
PHASE3 |
Amryt Pharma |
UNKNOWN |
[NCT06548100](https://clinicaltrials.gov/study/NCT06548100) | A Study of the Safety of Mibavademab in Pediatric and Adult Participants Switching From Metreleptin to Mibavademab for the Treatment of Generalized Lipodystrophy (GLD) | PHASE3 | Regeneron Pharmaceuticals | UNKNOWN |
[NCT02325674](https://clinicaltrials.gov/study/NCT02325674) | MEASuRE: Metreleptin Effectiveness And Safety Registry | — | Chiesi Farmaceutici S.p.A. | RECRUITING |
[NCT07220785](https://clinicaltrials.gov/study/NCT07220785) | Efficacy and Safety of Mibavademab in Adult and Pediatric Patients With Generalized Lipodystrophy | PHASE3 | Regeneron Pharmaceuticals | RECRUITING |
[NCT02262832](https://clinicaltrials.gov/study/NCT02262832) | Compassionate Use of Metreleptin in Previously Treated People With Generalized Lipodystrophy | PHASE3 | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | ACTIVE_NOT_RECRUITING |
55 publications have been identified in PubMed for congenital generalized lipodystrophy. Research spans Case Report / Case Series (35%), Review / Meta-Analysis (27%), and Basic Science / Preclinical (16%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 19 | 35% |
Research summaries | 15 | 27% |
Laboratory research | 9 | 16% |
Testing and diagnosis research | 5 | 9% |
Disease patterns and progression | 3 | 5% |
Other research | 2 | 4% |
Clinical study results | 1 | 2% |
New treatment approaches | 1 | 2% |
Liang C (2026). [PMID: 41881305](https://pubmed.ncbi.nlm.nih.gov/41881305/). *Am J Pathol*. [Basic Science / Preclinical]
Yordanova SG (2026). [PMID: 41841805](https://pubmed.ncbi.nlm.nih.gov/41841805/). *Endokrynologia Polska*. [Review / Meta-Analysis]
Van der Borght E (2026). [PMID: 42222073](https://pubmed.ncbi.nlm.nih.gov/42222073/). *Front Endocrinol (Lausanne)*. [Case Report / Case Series]
Bazmi H (2026). [PMID: 42082457](https://pubmed.ncbi.nlm.nih.gov/42082457/). *Hum Genome Var*. [Review / Meta-Analysis]
Quinn K (2026). [PMID: 29083781](https://pubmed.ncbi.nlm.nih.gov/29083781/). *Unknown Journal*. [Review / Meta-Analysis]
Gyani S (2026). [PMID: 41612862](https://pubmed.ncbi.nlm.nih.gov/41612862/). *J Pediatr Endocrinol Metab*. [Case Report / Case Series]
Barbosa R (2026). [PMID: 41869101](https://pubmed.ncbi.nlm.nih.gov/41869101/). *Cureus*. [Basic Science / Preclinical]
Hwang M (2026). [PMID: 41751861](https://pubmed.ncbi.nlm.nih.gov/41751861/). *Int J Mol Sci*. [Case Report / Case Series]
Brown RJ (2025). [PMID: 40842493](https://pubmed.ncbi.nlm.nih.gov/40842493/). *Front Endocrinol (Lausanne)*. [Review / Meta-Analysis]
Sued Leão I (2025). [PMID: 40860570](https://pubmed.ncbi.nlm.nih.gov/40860570/). *JCEM Case Rep*. [Case Report / Case Series]
AI-curated news mentioning congenital generalized lipodystrophy
Updated Jun 13, 2026
A systematic review highlights bone and radiologic findings in 60 cases of congenital generalized lipodystrophy. This research provides valuable insights into the disease's impact on skeletal health.