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Completed

NCT Number: NCT07397481

Clinical Application of Simcyp-Guided Doses of Antihypertensive Drugs in Cirrhotic Patients

This was a prospective, open-label, randomized, parallel pilot clinical study conducted over 3 months on 50 Egyptian cirrhotic patients with arterial hypertension and portal hypertension, evaluating the real-world applicability of selected PBPK-guided dosing regimens. Patients were stratified according to Child-Pugh class (CP-A or CP-B) and randomly assigned to receive either nebivolol or carvedilol at doses corresponding to the closest commercially available strengths to Simcyp®-predicted doses.

Clinical evaluation included serial blood pressure measurements, comprising systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), and heart rate (HR). Doppler ultrasonographical assessment was performed to evaluate portal and hepatic hemodynamics, including portal vein diameter, portal vein velocity, congestion index, hepatic artery resistive index, and modified vascular liver index. Routine laboratory investigations were conducted to assess efficacy and safety and included liver function tests (serum albumin, total bilirubin, alanine aminotransferase [ALT], and aspartate aminotransferase [AST]), kidney function tests (serum creatinine and blood urea nitrogen [BUN]), and fasting blood glucose. Patients were followed on a monthly basis, with systematic documentation of adverse events throughout the study period.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Kafrelsheikh University

Cairo, Egypt

About this study

This was a prospective, randomized, parallel, open-label pilot clinical study conducted over three months on Egyptian cirrhotic patients with arterial hypertension and portal hypertension. Adult patients aged >18 years with confirmed liver cirrhosis, concomitant arterial hypertension, and portal hypertension without a history of variceal bleeding were eligible for inclusion. Patients with renal disorders or on dialysis, pregnancy, known hypersensitivity to the study medications, active malignancy within the previous two years, or recent use of drugs interacting with antihypertensive agents were excluded. Patients were stratified according to Child-Pugh (CP) classification into CP class A and CP class B and randomly allocated into four treatment groups to receive either nebivolol or carvedilol at doses corresponding to the closest commercially available strengths to Simcyp®-predicted doses. CP class A patients were assigned to Group A (nebivolol 5 mg once daily) or Group B (carvedilol 12.5 mg once daily), while CP class B patients were assigned to Group C (nebivolol 2.5 mg once daily) or Group D (carvedilol 6.25 mg once daily). Clinical evaluation included serial blood pressure measurements, comprising systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), and heart rate (HR), which were assessed at baseline and after 2, 4, 8, and 12 weeks of treatment. Doppler ultrasonographical assessment was performed to evaluate portal and hepatic hemodynamics, including portal vein diameter, portal vein velocity, congestion index, hepatic artery resistive index, and modified vascular liver index. Routine laboratory investigations were conducted to assess efficacy and safety and included liver function tests (serum albumin, total bilirubin, alanine aminotransferase [ALT], and aspartate aminotransferase [AST]), kidney function tests (serum creatinine and blood urea nitrogen [BUN]), CBC and fasting blood glucose. Patients were followed monthly throughout the study period, with systematic documentation of adverse events. During the study, four patients from CP class A discontinued participation and were excluded from the final analysis.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age of patients > 18 years.
  • Diagnosed with cirrhosis
  • Have cardiovascular disease(Hypertension )
  • Presence of portal hypertension
  • No history of variceal bleeding

Exclusion criteria

  • Patients with kidney disorder or dialysis
  • Hypersensitivity to study medications
  • Active cancer history in the last 2 years
  • Taking drugs that interact with antihypertensive drugs in the last two weeks
  • Pregnancy

Treatment and study plan

Nebivolol 5 mg

Drug

Nebivolol is a third-generation cardio-selective β-1 adrenergic blocker with nitric oxide-mediated vasodilatory properties and it is primarily used to treat hypertension . Nebivolol reduces intrahepatic vascular resistance by enhancing nitric oxide (NO) production within the hepatic endothelium, thereby lowering portal pressure.

Other names: Nevilob 5mg

Carvedilol 12.5 mg

Drug

Carvedilol is used to treat hypertension and it lowers blood pressure effectively through a combination of β adrenergic blockade and α-1-mediated vasodilation. Carvedilol lowers portal pressure by β1-mediated reduction of cardiac output, β2-mediated splanchnic vasoconstriction, and additional α1-adrenergic blockade, which induces intrahepatic vasodilation, thereby reducing portal hypertension.

Other names: Carvipress 12.5 mg

Nebivolol 2.5 mg

Drug

Nebivolol is a third-generation cardio-selective β-1 adrenergic blocker with nitric oxide-mediated vasodilatory properties and it is primarily used to treat hypertension . Nebivolol reduces intrahepatic vascular resistance by enhancing nitric oxide (NO) production within the hepatic endothelium, thereby lowering portal pressure.

Other names: Nevilob 2.5mg

Carvedilol 6.25 mg

Drug

Carvedilol is used to treat hypertension and it lowers blood pressure effectively through a combination of β adrenergic blockade and α-1-mediated vasodilation. Carvedilol lowers portal pressure by β1-mediated reduction of cardiac output, β2-mediated splanchnic vasoconstriction, and additional α1-adrenergic blockade, which induces intrahepatic vasodilation, thereby reducing portal hypertension.

Other names: Carvipress 6.25 mg

Primary outcomes

  1. Management of arterial hypertension

    Time frame: 3 month

    by measuring Systolic and diastolic blood pressure (mmHg)

Secondary outcomes

  1. Adverse Effects Monitoring

    Time frame: 3 months

    Adverse effects including headache, gastrointestinal disorders, weakness, shortness of breath, and hyperglycemia will be recorded.

Sponsors and collaborators

Lead sponsor

Kafrelsheikh University

Other

Registry information

Official study title

Dose Prediction for Antihypertensive Medications in Cirrhotic Patients Using Simcyp Program: Applications in Clinical Practice

Important dates

Study start
2024
Primary completion
2025
Study completion
2025
First posted
Feb 9, 2026
Registry last updated
Feb 9, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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