Table 1.

Demographic, clinical, and genetic characteristics of eight patients with CHAPLE disease

CharacteristicP1P2P3P4P5P6P7P8
Ethnicity Algerian Algerian Algerian Algerian Algerian Syrian Algerian Algerian 
CD55 variant 
Variant c.1112 T>G c.515 G>A c.98 G>A c.98 G>A c.479-2 A>G c.348_349del c.515 G>A c.1112 T>G 
Amino acid change p.Leu371Arg p.Gly172Asp p.Trp33Ter p.Trp33Ter – p.Asn117LeufsTer11 p.Gly172Asp p.Leu371Arg 
Zygosity Homozygous Homozygous Homozygous Homozygous Homozygous Homozygous Homozygous Homozygous 
Demographic characteristics 
Sex Female Male Male Male Female Male Male Female 
Consanguinity in parents Yes Yes Yes Yes Yes Yes Yes Yes 
Similar cases in sibling No No Yes Yes No Yes No No 
Age at last follow-up (years) 16 12 
Age at diagnosis (years) 14 2.5 11 
Age at onset of symptoms (months) 13 24 20 60 24 48 96 
Manifestations of gastrointestinal disease 
Chronic or recurrent diarrhea Yes Yes Yes Yes Yes Yes Yes Yes 
Abdominal pain Yes Yes Yes Yes Yes Yes Yes Yes 
Vomiting Yes Yes Yes Yes No Yes Yes Yes 
Features of PLE 
Hypoalbuminemia Yes Yes Yes Yes Yes Yes Yes Yes 
Facial or extremity edema Yes Yes Yes Yes Yes Yes Yes Yes 
Ascites No No Yes Yes Yes No Yes Yes 
Malabsorption features 
Growth retardation Yes No Yes Yes Yes Yes Yes Yes 
Anemia Yes Yes Yes Yes Yes No Yes Yes 
Micronutrient deficiency Yes Yes Yes Yes Yes Yes Yes Yes 
Features of thrombotic disease 
Thrombosis Femoral vein thrombosis, pulmonary embolism Cerebral venous thrombosis, pulmonary embolism Budd–Chiari syndrome Budd–Chiari syndrome Lower limb thrombosis No Budd–Chiari syndrome No 
Imaging findings 
Bowel wall thickening Yes No Yes Yes Yes Yes No Yes 
Inflammatory changes Yes No Yes Yes Yes Yes No Yes 
Endoscopic findings 
Mucosal ulcers No No Yes No Yes No No No 
Mucosal nodules No No No No Yes No No Yes 
Lymphoid infiltrates in mucosa Yes No Yes No Yes No No Yes 
Infectious disease 
Hypogammaglobulinemia Yes Yes No No Yes Yes No Yes 
Recurrent respiratory infections Yes No No No Yes No No Yes 
Additional features Hepatomegaly Hypothyroidism, asthma Hepatomegaly, cirrhosis, asthma Hepatomegaly, cirrhosis ​ ​ Hepatomegaly, cirrhosis Hepatomegaly, splenomegaly, mesenteric lymphadenopathy, asthma 
Treatment Supportive and symptomatic management Supportive and symptomatic management Supportive and symptomatic management Supportive and symptomatic management Eculizumab Eculizumab Supportive and symptomatic management, liver transplantation Eculizumab 
Alive/Deceased Deceased at 7 years old (y/o) Deceased at 8 y/o Deceased at 7 y/o Deceased at 4 y/o Alive Alive Alive Alive 

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