Dataset Information

Evaluation of the Influence of Sildenafil on the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Vericiguat in Healthy Adults.

ABSTRACT:

Background and objective

Vericiguat is approved for the treatment of patients with heart failure with ejection fraction < 45%. Sildenafil, indicated for the treatment of erectile dysfunction, is a potential co-medication in male patients. This study investigated the safety and tolerability of co-administration of vericiguat and sildenafil in healthy volunteers.

Methods

This was a single-center, randomized, placebo-controlled, parallel-group study in 32 healthy white male volunteers. Participants received vericiguat 10 mg or placebo once daily for 16 days. Both groups received single doses of sildenafil (25 mg, 50 mg, and 100 mg) on days 13-15. Safety, hemodynamic changes, and pharmacokinetic effects were assessed.

Results

All subjects in the vericiguat group and seven (43.8%) in the placebo group reported one or more treatment-emergent adverse events, all of mild or moderate intensity. Decreases in seated blood pressure (≤ 5.4 mmHg) with the vericiguat-sildenafil combination compared with placebo-sildenafil were small and there was no evidence of a sildenafil dose-related effect. Standing blood pressure and standing and seated heart rate were similar between treatment groups. Co-administration of sildenafil did not affect vericiguat pharmacokinetics. A mild increase in sildenafil exposure (≤ 22%) when co-administered with vericiguat was observed.

Conclusions

Adding single doses of sildenafil to vericiguat 10 mg once daily at steady state was well tolerated and produced a minimal reduction in seated blood pressure (≤ 5.4 mmHg) compared with administration of sildenafil alone. There was no effect of sildenafil on vericiguat pharmacokinetics, and an increase in sildenafil exposure with vericiguat co-administration was not clinically relevant.

Clinical trial registration

EudraCT no. 2015-004997-14.

SUBMITTER: Boettcher M

PROVIDER: S-EPMC9998565 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Publications

Evaluation of the Influence of Sildenafil on the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Vericiguat in Healthy Adults.

Boettcher Michael M Nowotny Bettina B Krausche Robert R Becker Corina C

Clinical pharmacokinetics 20230202 2

<h4>Background and objective</h4>Vericiguat is approved for the treatment of patients with heart failure with ejection fraction < 45%. Sildenafil, indicated for the treatment of erectile dysfunction, is a potential co-medication in male patients. This study investigated the safety and tolerability of co-administration of vericiguat and sildenafil in healthy volunteers.<h4>Methods</h4>This was a single-center, randomized, placebo-controlled, parallel-group study in 32 healthy white male volunteer ...[more]

PMID: 36729286

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Project description:BACKGROUND: Preclinical studies have demonstrated that pharmacological mobilization and recruitment of endogenous bone marrow stem cells and immunoregulatory cells by a combination of plerixafor and low-dose tacrolimus (MRG-001) improves wound healing, promotes tissue regeneration and prevents allograft rejection. This first‐in‐human phase I dose‐escalation study evaluates the safety, tolerability, pharmacokinetics and pharmacodynamics of MRG-001, a novel fixed-dose combination drug. METHODS: In this Phase 1, double‐blind, randomized, placebo-controlled study, multiple ascending dose (MAD) cohorts are randomized to receive MRG-001 containing up to 0.02 mL/kg (plerixafor 24 mg/mL and tacrolimus 0.5 mg/mL) or saline placebo, subcutaneously every other day (SC, QAD) for 5 days (ClinicalTrials.gov: NCT04646603)The primary outcome is safety and tolerability. Safety and functional assessments are performed throughout the study. Blood samples are collected to evaluate systemic exposure. Fluorescence-activated cell sorting analysis and RNA expression of peripheral blood mononuclear cells (PBMCs) are used to evaluate the pharmacodynamics. RESULTS: Fourteen subjects received MRG-001 and 7 received a placebo. MRG-001 is safe and well-tolerated over the selected dose range. No deaths or severe adverse events are reported. There are no clinically significant laboratory changes after MRG-001 administration, apart from the predicted generalized leukocytosis. The intermediate dose group (0.01 mL/kg) showed the most significant white blood cell mobilization over time and increased by 2-4 fold from baseline and returned to baseline levels prior to the next injection. Circulating immune cells including FOXP3+ regulatory T cells and hematopoietic stem cells (CD45IntCD34+) increased significantly after MRG-001 injection. PBMC RNA sequencing and gene set enrichment analysis revealeds 31 down-regulated pathways in the intermediate dose MRG-001 group compared to no changes in the placebo group. CONCLUSION: MRG-001 is safe and well-tolerated across the full dose ranges tested. MRG-001 may be a clinically useful therapy for immunoregulation and tissue regeneration. A Phase II trial to treat severely and critically ill COVID-19 patients with MRG-001 has been initiated (NCT04646603) and a second phase II trial will explore the potential of MRG-001 to accelerate wound healing (NCT05844527),

Dataset Information

Evaluation of the Influence of Sildenafil on the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Vericiguat in Healthy Adults.

Background and objective

Methods

Results

Conclusions

Clinical trial registration

Publications

Evaluation of the Influence of Sildenafil on the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Vericiguat in Healthy Adults.

Similar Datasets

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