Cochrane · systematic review · CD012334

Pharmacotherapies that specifically target ammonia for the prevention and treatment of hepatic encephalopathy in adults with cirrhosis

Zacharias, HD, Zacharias, AP, Gluud, LL, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Hepato-BiliaryAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
11
current version
GRADE rated
9
No studies
2
Included studies
NR
No studies 2 · 18.2%Ungraded 0 · 0%Very low 9 · 81.8%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Phamacotherapies that specifically target ammonia versus placebo or non‐absorbable disaccharides for the prevention and treatment of hepatic encephalopathy in adults with cirrhosis

Population: adults with cirrhosis and hepatic encephalopathy
11 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause mortality
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 16 participantsVery low
Downgraded: risk of bias
Hepatic encephalopathy
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extractedNRNo studies
Serious adverse events
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 16 participantsVery low
Downgraded: risk of bias
Non‐serious adverse events
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 16 participantsVery low
Downgraded: risk of bias
Health‐related quality of life
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extractedNRNo studies
Blood ammonia concentrations (µg/dL)
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 16 participantsVery low
Downgraded: risk of bias
Blood ammonia concentrations
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted2 studies · 85 participantsVery low
Downgraded: risk of bias
Blood ammonia concentrations (µmol/L*week)
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 178 participantsVery low
Downgraded: risk of bias
Blood ammonia concentrations (µmol/L)
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 231 participantsVery low
Downgraded: risk of bias
Blood ammonia concentrations (units unspecified)
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted1 study · 35 participantsVery low
Downgraded: risk of bias
Blood ammonia levels (µmol/L)
Phamacotherapies that specifically target ammonia vs placebo or non‐absorbable disaccharides
no estimate extracted2 studies · 90 participantsVery low
Downgraded: risk of bias