NCT07712978

Brief Summary

Neonatal jaundice is a common condition among newborns and may require phototherapy during the early postnatal period. Although phototherapy is an effective treatment for hyperbilirubinemia, it may be associated with maternal stress, anxiety, concern and disruption of closeness between the mother and newborn. This mixed methods feasibility study evaluates a mothers' heartbeat intervention designed to support maternal well-being and newborn comfort during phototherapy in a maternity ward setting. The intervention uses a multisensory sleep pad placed under the newborn's mattress during phototherapy. At the beginning of the intervention, each mother's heartbeat, breathing sounds and chest vibrations are recorded and transferred to the pad. During phototherapy, the newborn can hear and feel these individually recorded maternal sounds and vibrations while lying on the mattress. The intervention is intended to provide womb-like auditory and tactile stimulation and to promote calmness, comfort and a sense of closeness during treatment. The study includes mothers whose term newborns require phototherapy for jaundice at a maternity ward in Finland. A total of 40 mothers and newborns are included: 20 in the intervention group and 20 in the control group. Data are collected before and after phototherapy. Maternal outcomes include anxiety, stress and experience of phototherapy. The feasibility, usability and acceptability of the intervention are assessed among mothers in the intervention group. In addition, semi-structured interviews are conducted to explore mothers' experiences of successful factors related to the intervention. The primary purpose of this feasibility study is to evaluate whether the mothers' heartbeat intervention is acceptable, usable and feasible in a maternity ward during newborn phototherapy. The study also examines preliminary effects on maternal anxiety, maternal stress and mothers' experiences of phototherapy. The findings will be used to inform the planning of a future larger randomized controlled trial.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at below P25 for not_applicable anxiety

Timeline
Completed

Started Jul 2024

Shorter than P25 for not_applicable anxiety

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 3, 2024

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 30, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 30, 2025

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

July 13, 2026

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 20, 2026

Completed
Last Updated

July 20, 2026

Status Verified

July 1, 2026

Enrollment Period

7 months

First QC Date

July 13, 2026

Last Update Submit

July 17, 2026

Conditions

Keywords

feasibility studymixed methodsphototherapyjaundicenewbornstressanxietyexperiencemother

Outcome Measures

Primary Outcomes (1)

  • Feasibility, usability and acceptability of the mothers' heartbeat intervention

    Feasibility, usability and acceptability of the mothers' heartbeat intervention are assessed among mothers in the intervention group using the System Usability Scale (SUS). The SUS includes 10 items rated on a 5-point Likert scale from "strongly disagree" to "strongly agree". The total SUS score ranges from 0 to 100, with higher scores indicating better usability and acceptability.

    After completion of phototherapy, approximately 24 hours after the start of phototherapy

Secondary Outcomes (5)

  • Maternal anxiety

    Baseline -Before phototherapy

  • Maternal stress

    Baseline -Before phototherapy

  • Maternal experience of phototherapy

    After completion of phototherapy, approximately 24 hours after the start of phototherapy

  • Maternal anxiety

    After completion of phototherapy, approximately 24 hours after the start of phototherapy.

  • Maternal stress

    After completion of phototherapy, approximately 24 hours after the start of phototherapy

Other Outcomes (1)

  • Mothers' experiences of successful factors related to the intervention

    After completion of phototherapy, approximately 24 hours after the start of phototherapy

Study Arms (2)

Mothers' Heartbeat Intervention

EXPERIMENTAL

Participants in this arm receive the mothers' heartbeat intervention in addition to usual phototherapy care. The intervention uses a multisensory Nucu Pad placed under the newborn's mattress. Each mother's heartbeat, breathing sounds and chest vibrations are recorded and transferred to the pad. During phototherapy, the newborn can hear and feel the mother's recorded heartbeat, breathing sounds and vibrations while lying on the mattress.

Device: Mothers' Heartbeat Intervention

Usual Phototherapy care

NO INTERVENTION

Participants in this arm receive usual phototherapy care only according to standard maternity ward practice. Phototherapy may be provided using a Bilisoft Blanket, overhead phototherapy lights or both, according to clinical need.

Interventions

The mothers' heartbeat intervention consists of individually recorded maternal heartbeat, breathing sounds and chest vibrations delivered to the newborn through a multisensory Nucu Pad placed under the mattress during phototherapy. The intervention is used in addition to usual phototherapy care.

Mothers' Heartbeat Intervention

Eligibility Criteria

Sexfemale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • The mother has given birth at the study hospital.
  • The mother's newborn requires phototherapy for neonatal jaundice during postnatal care in the maternity ward.
  • The newborn is born at term, between 37+0 and 41+6 gestational weeks.
  • Phototherapy is provided in a normal patient room or family room in the maternity ward where the mother or parents room-in with the newborn.
  • The mother is able to understand Finnish.
  • The mother is able to provide informed consent.
  • The mother is willing to participate in the study.

You may not qualify if:

  • Mothers are excluded if any of the following criteria apply:
  • Sensory impairment affecting participation, including significant visual or hearing impairment.
  • Inability to understand Finnish.
  • Postpartum complications requiring special attention or care, including pre-eclampsia, complicated infection or spinal headache.
  • Newborns are excluded if any of the following criteria apply:
  • Phototherapy is started within 24 hours after birth.
  • Phototherapy is started at night.
  • The newborn receives home phototherapy.
  • The newborn is born before 37+0 gestational weeks or after 41+6 gestational weeks.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Oulu University Hospital

Oulu, 90220, Finland

Location

Related Publications (12)

  • Zhang Q, Huo Q, Chen P, Yao W, Ni Z. Effects of white noise on preterm infants in the neonatal intensive care unit: A meta-analysis of randomised controlled trials. Nurs Open. 2024 Jan;11(1):e2094. doi: 10.1002/nop2.2094.

  • Whitehead AL, Julious SA, Cooper CL, Campbell MJ. Estimating the sample size for a pilot randomised trial to minimise the overall trial sample size for the external pilot and main trial for a continuous outcome variable. Stat Methods Med Res. 2016 Jun;25(3):1057-73. doi: 10.1177/0962280215588241. Epub 2015 Jun 19.

  • van der Geest BAM, Theeuwen IM, Reiss IKM, Steegers EAP, Been JV. Assessing knowledge and skills of maternity care professionals regarding neonatal hyperbilirubinaemia: a nationwide survey. BMC Pregnancy Childbirth. 2021 Jan 19;21(1):63. doi: 10.1186/s12884-020-03463-0.

  • Teresi JA, Yu X, Stewart AL, Hays RD. Guidelines for Designing and Evaluating Feasibility Pilot Studies. Med Care. 2022 Jan 1;60(1):95-103. doi: 10.1097/MLR.0000000000001664.

  • Siva N, Praharaj M, Tanay K, Das S, Nayak BS, Lewis LES, Noronha JA. Evidenced-Based Recommendation for Involving Mothers to Reduce the Procedural Pain and Stress in High-Risk Neonates: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Neonatal Care. 2025 Apr 1;25(2):103-112. doi: 10.1097/ANC.0000000000001247. Epub 2025 Mar 26.

  • Sarker S, Jahan F, Parvez SM, Shoab AKM, Hasan R, El Arifeen S, Billah SM, Hoque MM, Rahman M. Effectiveness of prenatal intervention on neonatal hyperbilirubinemia management in rural Bangladesh: Results from a cluster-randomized trial. Public Health. 2025 Jan;238:221-228. doi: 10.1016/j.puhe.2024.12.018. Epub 2024 Dec 16.

  • Pettersson M, Eriksson M, Odlind A, Ohlin A. Home phototherapy of term neonates improves parental bonding and stress: Findings from a randomised controlled trial. Acta Paediatr. 2022 Apr;111(4):760-766. doi: 10.1111/apa.16231. Epub 2021 Dec 28.

  • Pettersson M, Eriksson M, Blomberg K. Parental experiences of home phototherapy for neonatal hyperbilirubinemia. J Child Health Care. 2023 Dec;27(4):562-573. doi: 10.1177/13674935221082404. Epub 2022 Mar 26.

  • Pearson N, Naylor PJ, Ashe MC, Fernandez M, Yoong SL, Wolfenden L. Guidance for conducting feasibility and pilot studies for implementation trials. Pilot Feasibility Stud. 2020 Oct 31;6(1):167. doi: 10.1186/s40814-020-00634-w.

  • Muchowski KE. Evaluation and treatment of neonatal hyperbilirubinemia. Am Fam Physician. 2014 Jun 1;89(11):873-8.

  • Matvienko-Sikar K, Redsell S, Flannery C. Effects of maternal stress and/or anxiety interventions in the first 1000 days:Systematic review of reviews. J Reprod Infant Psychol. 2023 Apr;41(2):114-151. doi: 10.1080/02646838.2021.1976400. Epub 2021 Sep 23.

  • Coquery SS, Georges A, Cortey A, Floch C, Avran D, Gatbois E, Mehler-Jacob C, de Stampa M. Discharge of newborns with risk factors of severe hyperbilirubinemia: description of a hospital at home-based care monitoring and phototherapy. Eur J Pediatr. 2022 Aug;181(8):3075-3084. doi: 10.1007/s00431-022-04461-4. Epub 2022 Jun 13.

MeSH Terms

Conditions

Anxiety DisordersJaundice

Condition Hierarchy (Ancestors)

Mental DisordersHyperbilirubinemiaPathologic ProcessesPathological Conditions, Signs and SymptomsSkin ManifestationsSigns and Symptoms

Study Officials

  • Tarja Pölkki, Professor

    University of Oulu

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Masking Details
Arm 1: Mothers' Heartbeat Intervention Participants in this arm receive the mothers' heartbeat intervention in addition to usual phototherapy care. Arm 2: Usual Care Participants in this arm receive usual phototherapy care only. No masking was used. Participants, care providers and investigators were aware of group assignment because the mothers' heartbeat intervention involved recording the mother's heartbeat and using the Nucu Pad during newborn phototherapy.
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: This is a non-randomized interventional feasibility study with a parallel assignment model. Participants were allocated to either an intervention group receiving the mothers' heartbeat intervention in addition to usual phototherapy care or a control group receiving usual phototherapy care only. Data were collected during two consecutive periods.
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
PhD

Study Record Dates

First Submitted

July 13, 2026

First Posted

July 20, 2026

Study Start

July 3, 2024

Primary Completion

January 30, 2025

Study Completion

January 30, 2025

Last Updated

July 20, 2026

Record last verified: 2026-07

Data Sharing

IPD Sharing
Will not share

Individual participant data will not be shared because the study includes a small sample of mothers and newborns and contains sensitive maternal and neonatal health-related data. The qualitative interview data may include contextual information that could increase the risk of participant identification, even after anonymization.

Locations