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Updated June 2026 · ClinicalTrials.gov

RECRUITINGPhase 1 / Phase 2INTERVENTIONAL

Amiodarone-Infused CardiaMend Patches for the Prevention of New-Onset POAF in Cardiac Surgery Subjects

Use of Amiodarone-Infused CardiaMend (CardiaMend-Amiodarone) Patches for the Prevention of New-Onset Postoperative Atrial Fibrillation (POAF) in Subjects Undergoing Cardiac Surgery

Amiodarone-Infused CardiaMend Patches for the Prevention of New-Onset POAF in Cardiac Surgery Subjects (NCT06730828) is a Phase 1 / Phase 2 interventional studying Atrial Fibrillation, Postoperative, sponsored by Helios Cardio Inc.. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

The goal of this clinical trial is to is to test the safety of a new way to deliver a commonly used drug (amiodarone) used in heart surgery by placing a patch containing the drug directly on the heart instead of in an IV (vein). Participating subjects must be 20-85 year old males or females. Up to 80 participants having cardiac surgery at the University of Louisville will be involved in this study. The main questions this study aims to answer are: 1. Is the patch safe? 2. Does the patch lower the rate of atrial fibrillation (irregular heart rhythm) after cardiac surgery? Researchers will compare up to 3 different doses of the amiodarone patches (low, medium and high) to the usual treatment (Standard of Care) to see if there are differences (increases or decreases) in heart rhythms after cardiac surgery across study groups. Participants will be placed in one of 4 study groups: * Standard of Care (20 participants) * Low dose patch (20 participants) * Medium dose patch (20 participants) * High dose patch (20 participants) Participants will be monitored closely by their doctor(s) during the study and would: * Agree to participate after having their doctor, or a member of the team, explain the study in detail and allowing them to ask any questions they would like. * Sign an Informed Consent Form which will describe the study and tests in full. * Agree to have their doctor and his/her research team record your medical information, draw blood, and perform electrocardiograms, or EKGs (quick, painless test that measures the electrical activity of the heart) and echocardiograms (image of heart) to monitor their heart. * Agree to receive training on the portable EKG recorder and to use it at home approximately 30 days and 6 months after their surgery to monitor their heart. * Agree to return to the hospital approximately 30 days and 6 months after their surgery for a study visit. Participant involvement will be approximately 7 months total.

What Stage of Research Is This?

Phase 1 trials test a new treatment for the first time in humans, focusing on safety, dosing, and how the body processes the drug. For Atrial Fibrillation, Postoperative, a Phase 1 study typically enrolls a small number of participants — often healthy volunteers or patients who have exhausted standard treatment options. Phase 1 results determine whether a treatment moves into larger Phase 2 efficacy studies.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 80 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Atrial Fibrillation, Postoperative subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - Subjects 20-85 years old. - Subjects able to give voluntary written willing to sign a consent form, who understand and are willing to comply with study-related procedures. - Subjects scheduled to undergo open-chest cardiac surgery via complete median sternotomy. - Subjects in sinus rhythm at the time of office visit and during prior EKG (note: continuous EKG monitoring for 48 hours is not required). Who Should NOT Join This Trial: - Subjects unable to give voluntary written willing to sign a consent form, unlikely to cooperate, or legally incompetent, including subjects institutionalized by court or official order, or in a dependency relationship with testing center or investigator. - Subjects with a condition that could interfere with their ability to comply with the study. - Subjects participating in an interventional clinical study or who have participated in such study during the preceding 30 days. - Female subjects who are pregnant, breastfeeding, were pregnant within the last three months, or are planning to become pregnant during the study. - Subjects with active skin or deep infection at the site of implantation. - Subjects with a history of chronic wounds or wound-healing disorders. - Subjects with known connective tissue diseases (e.g. Ehlers-Danlos syndrome, Epidermolysis bullosa, Marfan syndrome, Osteogenesis imperfecta). - Subjects who are Immune-suppressed or with immune deficiency (properly managed diabetes mellitus is not an exclusion criterion). - Subjects on concomitant oral or IV systemic corticosteroid therapy and/or other constant anti-inflammatory therapies. - Subjects on the following medications with known interactions with amiodarone: doxorubicin, fosphenytoin, lopinavir-ritonavir, ledipasvir/sofosbuvir, quinidine , procainamide, disopyramide, other Vaughan William class III agents including dofetilide, dronedarone, ibutilide and vernakalant. - Subjects with coadministration of any medications which cause QT prolongation ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Subjects 20-85 years old. * Subjects able to give voluntary written informed consent, who understand and are willing to comply with study-related procedures. * Subjects scheduled to undergo open-chest cardiac surgery via complete median sternotomy. * Subjects in sinus rhythm at the time of office visit and during prior EKG (note: continuous EKG monitoring for 48 hours is not required). Exclusion Criteria: * Subjects unable to give voluntary written informed consent, unlikely to cooperate, or legally incompetent, including subjects institutionalized by court or official order, or in a dependency relationship with testing center or investigator. * Subjects with a condition that could interfere with their ability to comply with the study. * Subjects participating in an interventional clinical study or who have participated in such study during the preceding 30 days. * Female subjects who are pregnant, breastfeeding, were pregnant within the last three months, or are planning to become pregnant during the study. * Subjects with active skin or deep infection at the site of implantation. * Subjects with a history of chronic wounds or wound-healing disorders. * Subjects with known connective tissue diseases (e.g. Ehlers-Danlos syndrome, Epidermolysis bullosa, Marfan syndrome, Osteogenesis imperfecta). * Subjects who are Immune-suppressed or with immune deficiency (properly managed diabetes mellitus is not an exclusion criterion). * Subjects on concomitant oral or IV systemic corticosteroid therapy and/or other constant anti-inflammatory therapies. * Subjects on the following medications with known interactions with amiodarone: doxorubicin, fosphenytoin, lopinavir-ritonavir, ledipasvir/sofosbuvir, quinidine , procainamide, disopyramide, other Vaughan William class III agents including dofetilide, dronedarone, ibutilide and vernakalant. * Subjects with coadministration of any medications which cause QT prolongation * Subjects with implantable cardiac devices (i.e., cardiac resynchronization therapy devices with and without defibrillator capabilities (CRTs and CRT-Ds), implantable cardioverter-defibrillators (ICD), and pacemakers). * Subjects with a known history of atrial fibrillation or paroxysmal atrial fibrillation. * Subjects with a history of ablation for atrial fibrillation. * Subjects already receiving amiodarone as a treatment for atrial fibrillation or ventricular arrhythmias. * Subjects with a disease of the left pleura, previous intervention in the left pleural space, or chest deformity. * Subjects with heart failure (BNP\>1000), low ejection fraction (\<35%), end-stage renal disease (on dialysis or GFR\<20). * Subjects electing to receive an ablative procedure for atrial fibrillation during the index operation. * Subjects with prior cardiac surgery via sternotomy.

Treatments Being Tested

COMBINATION_PRODUCT

The intervention includes Amiodarone-Infused CardiaMend patches (70mg, 150mg and 300mg)

Intervention includes a topical, atrial-specific, amiodarone infused CardiaMend patch in the operating room and applied onto the epicardial surface biatrially

Locations (1)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

University of Louisville
Louisville, Kentucky, United States

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT06730828), the sponsor (Helios Cardio Inc.), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT06730828 clinical trial studying?

The goal of this clinical trial is to is to test the safety of a new way to deliver a commonly used drug (amiodarone) used in heart surgery by placing a patch containing the drug directly on the heart instead of in an IV (vein). Participating subjects must be 20-85 year old males or females. Up to 80 participants having cardiac surgery at the University of Louisville will be involved in this study. The main questions this study aims to answer are: 1. Is the patch safe? 2. Does the patch lower the rate of atrial fibrillation (irregular heart rhythm) after cardiac surgery? Researchers will co… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT06730828?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT06730828?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT06730828. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT06730828. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-06-26 · Data from ClinicalTrials.gov.