Acute Porphyria Drugs

C09BA09 - Fosinopril and Diuretics

Probably not porphyrinogenic
PNP

Rationale
Fosinopril: No evidence of significant CYP-dependent metabolism. Two references stating (probable) non-porphyrinogenicity. Hydrochlorthiazide: Not metabolised. Probably no CYP-affinity. Clinical experience of non-porphyrinogenicity. Conflicting evidence.
Chemical description
Fosinopril: Hydrolyzed by esterases in the liver to fosinoprilate, an ACE-inhibitor. Of this 75% is excreted in unchanged form by the kidneys, 20-30% as glucuriode conjugate and 1-5% as p-hydroxy metabolite. Hydrochlorthiazide: thiazide diuretic, sulfonamide congener. Eliminated in urine in unchanged form. Probably no CYP-affinity.
Personal communication
Hydrochlorthiazide: Thunell, patient report (n=1): tolerated. Andersson, patient reports (n=10): tolerated.
IPNet drug reports
Uneventful use reported in 1 patient with acute porphyria.
Similar drugs
Explore alternative drugs in similar therapeutic classes C09B / C09BA or go back.
References
# Citation details PubMed ID
Porphyria Drug Lists
1. Australian List
Australian Porphyria Association No longer maintained
2. French List
Centre Français des Porphyries
3. EPI List
European Porphyria Initiative No longer maintained
4. South African List
Porphyria South Africa No longer maintained
Tradenames

Fosinoprilnatrium / Hydrochloorthiazide Fosinopril Hctz Fosinopril / Hidroclorotiazida · Fosinopril /Hidroclorotiazida · Fositens Plus Duopril · Fosicard Plus Fosicombi · Fosinopril e Idroclorotiazide · Tensozide Fosinopril-HCT Fosinopril e Idroclorotiazide · Fosinopril HCT · Fosinopril/HCT · Monozide Fosinopril HCT Monopril Monopril plus Fosicard HCT · Monopril Plus · Monotens HCT Monace
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