UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000062470
Receipt number R000071341
Scientific Title Implementation of a Gentle Nipple Stimulation Program Using a Breast Pump shortly After Delivery
Date of disclosure of the study information 2026/08/04
Last modified on 2026/08/04 19:25:24

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Basic information

Public title

Implementation of a Gentle Nipple Stimulation Program Using a Breast Pump shortly After Delivery

Acronym

Gentle Nipple Stimulation Program

Scientific Title

Implementation of a Gentle Nipple Stimulation Program Using a Breast Pump shortly After Delivery

Scientific Title:Acronym

Gentle Nipple Stimulation Program

Region

Japan


Condition

Condition

Mothers of infants who have difficulty breastfeeding frequently following a cesarean section or a epidural anethtesia delivery

Classification by specialty

Nursing

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

If a mother is unable to breastfeed sufficiently on the day of delivery following a cesarean section or an epidural, milk production may be delayed. In this study, we will evaluate the feasibility of implementing a program in clinical settings that involves gentle nipple stimulation using a breast pump shortly after delivery.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2

Others

Developmental phase



Assessment

Primary outcomes

Acceptability, Appropriateness, Feasibility, and Sustainability

Key secondary outcomes

Time to onset of lactogenesis 2, Breast milk volume on postpartum day 5


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

In this study, we will implement a program in clinical settings that involves gentle nipple stimulation using a breast pump shortly after delivery, and evaluate its implementability.

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

43 years-old >=

Gender

Female

Key inclusion criteria

mothers
1) Mothers who undergo a cesarean section (scheduled or emergency) at 37 weeks or later at a participating facility
2) Mothers whose breastfeeding is delayed on the day of delivery due to neonatal factors (such as early vomiting, week sucking, or hypoglycemia), even after an anesthetized delivery
3) Mother-infant pairs for whom direct breastfeeding is not scheduled from the day of delivery until the following morning due to reasons related to the mother
4) Mothers of preterm infants or those requiring medical treatment, resulting in a period of separation between mother and infant
5) Prefer to breastfeed
6) Aged 20 years or older but under 44 years at the time consent is obtained.
7) Participants for whom written informed consent has been obtained regarding participation in this study

Midwives
none

Key exclusion criteria

1) Individuals whose ability to breastfeed is limited due to a pre-existing condition or complications
2) Individuals whose newborn has a serious medical condition
3) Other individuals deemed unsuitable by the principal investigator (or co-investigator). (e.g., severe fatigue)

Target sample size

120


Research contact person

Name of lead principal investigator

1st name Ai
Middle name
Last name Miyauchi

Organization

St Luke's International University

Division name

women's health and midwifery

Zip code

104-8560

Address

10-1 Akashicho Chuoku, Tokyo

TEL

03-5550-7065

Email

miyauchi.ai.hm@slcn.ac.jp


Public contact

Name of contact person

1st name Ai
Middle name
Last name Miyauchi

Organization

St Luke's International University

Division name

women's health and midwifery

Zip code

104-8560

Address

10-1 Akashicho Chuoku, Tokyo

TEL

03-5550-7065

Homepage URL


Email

miyauchi.ai.hm@slcn.ac.jp


Sponsor or person

Institute

St Luke's International University

Institute

Department

Personal name



Funding Source

Organization

none

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

St Luke's International University

Address

10-1 Akashicho Chuoku, Tokyo

Tel

03-5550-7065

Email

kenkyukikaku@luke.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

聖路加国際病院


Other administrative information

Date of disclosure of the study information

2026 Year 08 Month 04 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2026 Year 07 Month 26 Day

Date of IRB


Anticipated trial start date

2026 Year 09 Month 01 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 08 Month 04 Day

Last modified on

2026 Year 08 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071341