Effects of Bundled Supportive Interventions on Preterm Infants' Stress-Related Outcomes During Invasive Procedures

NCT ID: NCT03010891

Last Updated: 2020-11-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

66 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-03-31

Study Completion Date

2018-05-31

Brief Summary

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The proposed 2-year study has two specific aims: (1) to examine the effects of a "bundle" of supportive interventions on preterm infants' stress (salivary cortisol and dehydroepiandrosterone \[DHEA\] levels and physiological signals of infant distress), sleep, and physical activity in the NICU, and (2) to explore the relationships among preterm infants' salivary cortisol and DHEA levels, physiological signals of infant distress, sleep, and physical activity. This randomized controlled trial will adopt a longitudinal repeated-measures design to examine the effects of bundled supportive interventions on preterm infants' stress (salivary cortisol and DHEA levels \[using ELISA kit\] and physiological signals of infant distress \[using bedside electrocardiographic monitors\]), sleep and physical activity (using ankle actigraphy) during their NICU hospitalization. Preterm infants (N=120) meeting the study criteria will be randomly assigned to one of two conditions: (1) control condition: usual NICU care + positioning + gentle touch +routine kangaroo mother care (KMC) \< 20 minutes; (2) experimental condition: the bundle of supportive interventions (usual NICU care +positioning + gentle touch + modulating infant states + facilitated tucking + non-nutritive sucking + oral sucrose+ routine KMC \> 45 minutes. Outcome variables will include infants' biological responses to stress (salivary cortisol, salivary DHEA, and physiological signals of infant distress), sleep patterns, and physical activity.

Detailed Description

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Background and purpose: Preterm infants need to receive intensive care in a neonatal intensive care unit (NICU) to survive, but this care exposes them to painful procedures and a stressful environment. Repeated, painful/stressful stimuli can disturb infants' sleep, change their physiological indicators, and affect their developing brain and organs, possibly resulting in negative, long-lasting developmental consequences. Therefore, NICU clinicians caring for these vulnerable infants have two important goals: to provide early interventions to minimize preterm infants' stress/pain and to improve their sleep and physical activity. The proposed 2-year study has two specific aims: (1) to examine the effects of a "bundle" of supportive interventions on preterm infants' stress (salivary cortisol and dehydroepiandrosterone \[DHEA\] levels and physiological signals of infant distress), sleep, and physical activity in the NICU, and (2) to explore the relationships among preterm infants' salivary cortisol and DHEA levels, physiological signals of infant distress, sleep, and physical activity.

Methods: This randomized controlled trial will adopt a longitudinal repeated-measures design to examine the effects of bundled supportive interventions on preterm infants' stress (salivary cortisol and DHEA levels \[using ELISA kit\] and physiological signals of infant distress \[using bedside electrocardiographic monitors\]), sleep and physical activity (using ankle actigraphy) during their NICU hospitalization. Preterm infants (N=120) meeting the study criteria will be randomly assigned to one of two conditions: (1) control condition: usual NICU care + positioning + gentle touch +routine kangaroo mother care (KMC) \< 20 minutes; (2) experimental condition: the bundle of supportive interventions (usual NICU care +positioning + gentle touch + modulating infant states + facilitated tucking + non-nutritive sucking + oral sucrose+ routine KMC \> 45 minutes. Outcome variables will include infants' biological responses to stress (salivary cortisol, salivary DHEA, and physiological signals of infant distress), sleep patterns, and physical activity.

Expected outcomes: The study will fill a gap in knowledge about the effects of bundled supportive interventions on preterm infants' stress reactivity, sleep, and physical activity during hospitalization. This unique combination of physiological measurements of preterm infants' stress parameters and longitudinal design will provide results for establishing evidence-based clinical guidelines to provide atraumatic care to this population during intrusive procedures. Investigators also expect that bundling supportive interventions will minimize preterm infants' pain/stress as well as improve their sleep and physical activity. In the long term, the study results may help reduce the morbidity and complications due to preterm birth, save medical costs in neonatal care, and promote these infants' health and future developmental outcomes.

Conditions

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Preterm Infants Stress

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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control condition

Preterm infants in the control condition will receive only usual NICU care, plus positioning and gentle touch during intrusive procedures.

Group Type ACTIVE_COMPARATOR

Usual NICU care

Intervention Type BEHAVIORAL

usual NICU care + positioning + gentle touch +routine KMC \< 20 minutes

experimental condition

The bundle of supportive interventions will be designed to alleviate preterm infants' stress/pain from birth to discharge from the hospital NICU.

Group Type EXPERIMENTAL

The bundle of supportive interventions

Intervention Type BEHAVIORAL

usual NICU care +positioning + gentle touch + modulating infant states + facilitated tucking + NNS+ oral sucrose+ routine KMC \> 45 minutes

Interventions

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The bundle of supportive interventions

usual NICU care +positioning + gentle touch + modulating infant states + facilitated tucking + NNS+ oral sucrose+ routine KMC \> 45 minutes

Intervention Type BEHAVIORAL

Usual NICU care

usual NICU care + positioning + gentle touch +routine KMC \< 20 minutes

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* (1) gestational age (GA) \> 28 weeks and \< 37 weeks
* (2) birth weight \< 2100g
* (3) stable condition (score \< 22 on the Neonatal Therapeutic Intervention Scoring System \[NTISS\] for disease severity)
* (4) parents can speak, read and write Chinese
* (5) parents have no history of drug/alcohol abuse
* (6) parents agree to participate

Exclusion Criteria

* (1) congenital anomalies
* (2) neurologic impairment including convulsion, intraventricular hemorrhage \> grade II or periventricular leukomalacia
* (3) documented congenital or nosocomial (infection acquired at hospital after birth) sepsis
* (4) surgery
* (5) severe medical conditions requiring treatments such as cortisol supplementation, sedatives, muscle relaxants, antiepileptic, or analgesic drugs
Minimum Eligible Age

28 Weeks

Maximum Eligible Age

37 Weeks

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ministry of Science and Technology, Taiwan

OTHER_GOV

Sponsor Role collaborator

National Defense Medical Center, Taiwan

OTHER

Sponsor Role lead

Responsible Party

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Hsiang-Yun Lan

Investigator, National Defense Medical Center, Taiwan

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jen-Jiuan Liaw, Professor

Role: STUDY_CHAIR

Professor, School of Nursing, 1National Defense Medical Center, Taipei, Taiwan, ROC.

Other Identifiers

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2-104-05-157

Identifier Type: -

Identifier Source: org_study_id