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A Mindfulness-based Intervention for Treatment of Anxiety in ICD (Implantable Cardioverter Defibrillator) Patients

U

University of Massachusetts, Worcester

Status and phase

Completed
Phase 3
Phase 2

Conditions

Anxiety Disorder in Conditions Classified Elsewhere

Treatments

Behavioral: usual care
Behavioral: mindfulness based intervention (MBI)

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT01035294
1F32AT005048-01A1 (U.S. NIH Grant/Contract)
H-13078

Details and patient eligibility

About

The purpose of this study is to evaluate the feasibility and preliminary efficacy of a mindfulness-based behavioral intervention combining breathing and other relaxation exercises on symptoms of anxiety in patients undergoing the implantation of an implantable cardioverter defibrillator. This study will pilot test the feasibility and preliminary efficacy of a mindfulness-based intervention intended to improve mindfulness and anxiety levels in ICD (Implantable Cardioverter Defibrillators) patients. A randomized controlled study design will be used, in which an 8 session phone-delivered mindfulness intervention will be compared to a usual care condition among consecutive candidates for ICD procedures. The study will be conducted at the Electrophysiology (EPS) Unit at the UMass Memorial Medical Center. Assessments will be performed at baseline and at the end of the intervention (9 weeks after enrollment).

Full description

The Specific Aims of this pilot study are:

Primary aim:

To determine the feasibility of a randomized clinical trial of a phone-administered, mindfulness-based training program, as measured by recruitment and retention rates, treatment adherence and fidelity.

Secondary aims:

  1. To obtain preliminary estimates of the effect of a phone delivered mindfulness-based intervention on mindfulness levels, measured as the difference between baseline and post-intervention Five Factors of Mindfulness scores (FFM) in the intervention and in the control group at the end of the intervention. Hypothesis: Mindfulness levels will improve in the intervention group compared to the control group.
  2. To obtain preliminary estimates of the effect of a phone delivered, mindfulness-based intervention on anxiety, measured as the difference between baseline and post-intervention Hospital Anxiety and Depression (HAD) anxiety scores in the intervention and in the control group at the end of the intervention. Hypothesis: Anxiety levels will be reduced in the intervention group, compared to the control group.
  3. To collect preliminary data about the number of arrhythmic episodes/administered shocks during the intervention period. Hypothesis: the proportion of patients experiencing arrhythmic events/shocks will decrease in the intervention vs. the control group.

Enrollment

46 patients

Sex

All

Ages

21+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Age ≥ 21
  2. ICD procedure
  3. Ability to understand and speak English
  4. Access to a telephone

Exclusion criteria

  1. Inability or unwillingness to give informed consent
  2. Signs of cognitive impairment (Blessed Orientation-Memory-Concentration (BOMS)scores >10)
  3. New York Heart Association (NYHA) functional class>III, angina Canadian Cardiovascular Society(CCS) III and IV or clinically unstable
  4. Awaiting coronary by-pass or heart transplantation
  5. Co-morbid life threatening condition
  6. Ongoing severe depression or psychosis

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

46 participants in 2 patient groups

mindfulness based intervention
Experimental group
Treatment:
Behavioral: mindfulness based intervention (MBI)
usual care (UC)
Active Comparator group
Treatment:
Behavioral: usual care

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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