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Effect of Oral and Intravenous Diltiazem Protocol for Emergency Department Atrial Fibrillation

Emergency Department Atrial Fibrillation Oral Diltiazem Observation Protocol

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05391893
Enrollment
444
Registered
2022-05-26
Start date
2020-06-19
Completion date
2023-04-01
Last updated
2024-12-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation, Atrial Flutter

Brief summary

The primary objective of the study is to reduce hospital admission and decrease time to disposition through establishing an effective treatment protocol for AF and Atrial Flutter in the Emergency Department of Spectrum Health Lakeland. Secondary outcome is to measure if oral diltiazem is an effective HR controlling agent in AF RVR and Flutter.

Interventions

DRUGOral

Diltiazem 0.25mg/kg injection, give over 2 minutes, max dose 30mg

these patients will receive traditional treatments at provider discretion. They must receive at least one intravenous medication for atrial fibrillation with rapid ventricular response. This will be a heterogenous group of patients receiving digoxin, amiodarone, various beta-blockers, and intravenous diltiazem without oral diltiazem.

Sponsors

Corewell Health South
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

A treatment protocol using oral and IV diltiazem has been implemented. We will compare admission rates, time to heart rate control, and hypotension between the protocol group and patients receiving traditional treatments for atrial fibrillation with rapid ventricular response

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Heart rate \>125 * Systolic BP\>110 * Atrial Fibrillation/Flutter confirmed on ECG. * Meets observation unit requirements (performs certain ADL's (acts of daily living) * Age\>18.

Exclusion criteria

* Wolf-Parkinson-White syndrome * ST Elevation Myocardial Infarction * Pregnant * Clinical diagnosis of Sepsis, * Decompensated HF * allergy to Diltiazem * provider discretion * clinical need for cardioversion

Design outcomes

Primary

MeasureTime frameDescription
Admission Rate1 daysThis will compare rates of patients admitted between the protocol group and patients treated traditionally
Treatment Success at 3 Hours3 hoursThis will compare the total number of patients who in 3 hours from first medicine administration achieved heart rate less than 110 between the protocol and traditional treatment group

Secondary

MeasureTime frameDescription
Rate of Hypotension1 dayrates of patients experiencing systolic blood pressure less than 90

Countries

United States

Participant flow

Participants by arm

ArmCount
Diltiazem With Oral and Intravenous Treatment
Diltiazem 0.25mg/kg injection, give over 2 minutes, max dose 30mg. 15 minutes following Diltiazem Infusion administer oral Diltiazem 60mg IR Tablet, do not give if BP\<100 Oral: Diltiazem 0.25mg/kg injection, give over 2 minutes, max dose 30mg
177
Traditional Atrial Fibrillation With Rapid Ventricular Response
these patients will receive traditional treatments at provider discretion. To be included in teh study their initial heart rate must also be over 125, and they must receive at least one intravenous medication for atrial fibrillation with rapid ventricular response. This will be a heterogenous group of patients receiving digoxin, amiodarone, various beta-blockers, and intravenous diltiazem without oral diltiazem. Intravenous drug: these patients will receive traditional treatments at provider discretion. They must receive at least one intravenous medication for atrial fibrillation with rapid ventricular response. This will be a heterogenous group of patients receiving digoxin, amiodarone, various beta-blockers, and intravenous diltiazem without oral diltiazem.
267
Total444

Baseline characteristics

CharacteristicDiltiazem With Oral and Intravenous TreatmentTotalTraditional Atrial Fibrillation With Rapid Ventricular Response
Age, Continuous69.1 years
STANDARD_DEVIATION 13.3
70.05 years
STANDARD_DEVIATION 13
71 years
STANDARD_DEVIATION 12.7
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
20 Participants57 Participants37 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
157 Participants387 Participants230 Participants
Region of Enrollment
United States
177 participants444 participants267 participants
Sex: Female, Male
Female
102 Participants240 Participants138 Participants
Sex: Female, Male
Male
75 Participants204 Participants129 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 1771 / 267
other
Total, other adverse events
7 / 17717 / 267
serious
Total, serious adverse events
0 / 1770 / 267

Outcome results

Primary

Admission Rate

This will compare rates of patients admitted between the protocol group and patients treated traditionally

Time frame: 1 days

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Diltiazem With Oral and Intravenous TreatmentAdmission Rate98 Participants
Traditional Atrial Fibrillation With Rapid Ventricular ResponseAdmission Rate188 Participants
Primary

Treatment Success at 3 Hours

This will compare the total number of patients who in 3 hours from first medicine administration achieved heart rate less than 110 between the protocol and traditional treatment group

Time frame: 3 hours

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Diltiazem With Oral and Intravenous TreatmentTreatment Success at 3 Hours150 Participants
Traditional Atrial Fibrillation With Rapid Ventricular ResponseTreatment Success at 3 Hours192 Participants
Secondary

Rate of Hypotension

rates of patients experiencing systolic blood pressure less than 90

Time frame: 1 day

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Diltiazem With Oral and Intravenous TreatmentRate of Hypotension7 Participants
Traditional Atrial Fibrillation With Rapid Ventricular ResponseRate of Hypotension17 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026