NCT07561099

Brief Summary

The goal of this clinical trial is to evaluate whether auricular acupressure combined with basic care can improve symptoms in postpartum women with blocked milk ducts after cesarean delivery. The main questions it aims to answer are:

  • Does auricular acupressure combined with basic care reduce breast pain more effectively than basic care alone?
  • Does the combined approach improve the severity of milk duct blockage compared with basic care alone?
  • What adverse effects may occur in participants receiving auricular acupressure? Researchers will compare auricular acupressure combined with basic care to sham auricular acupressure plus basic care to determine whether the intervention provides additional benefits. Participants will:
  • Receive auricular acupressure (or sham auricular acupressure at non-therapeutic ear points) for 3 days.
  • Be instructed to perform basic breast care under the supervision of midwives three times daily for 3 days.
  • Record daily activities in monitoring forms, including breastfeeding times, and whether they performed warm compresses and breast massage.

Trial Health

63
Monitor

Trial Health Score

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

Enrollment
66

participants targeted

Target at P50-P75 for not_applicable

Timeline
5mo left

Started May 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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 Progress4%
May 2026Oct 2026

First Submitted

Initial submission to the registry

April 26, 2026

Completed
5 days until next milestone

First Posted

Study publicly available on registry

May 1, 2026

Completed
Same day until next milestone

Study Start

First participant enrolled

May 1, 2026

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2026

Last Updated

May 1, 2026

Status Verified

April 1, 2026

Enrollment Period

5 months

First QC Date

April 26, 2026

Last Update Submit

April 26, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in breast pain score (Numeric Rating Scale, NRS)

    Breast pain will be assessed using a 0-10 Numeric Rating Scale (NRS), where 0 indicates no pain and 10 indicates the worst possible pain. Participants will be interviewed by investigators at each assessment point.

    From baseline (T0) to Day 3 after intervention (T3), assessed daily at 9:00 AM

Secondary Outcomes (3)

  • Severity of blocked milk ducts

    From baseline (T0) to Day 3 after intervention (T3), assessed daily

  • Amount of rescue analgesic use (paracetamol)

    From baseline (T0) to Day 3 after intervention (T3)

  • Incidence of adverse events related to the intervention

    From baseline (T0) to Day 3 after intervention (T3) and at any time during the study period.

Study Arms (2)

Auricular Acupressure + Basic Care

EXPERIMENTAL

In addition to standard basic breast care, participants will receive ear acupressure treatment using ear acupressure beads applied to therapeutic points on the ear corresponding to the affected breast, for three consecutive days.

Procedure: Auricular AcupressureBehavioral: Basic Breast Care

Sham Auricular Acupressure + Basic Care

SHAM COMPARATOR

Participants will receive sham auricular acupressure using auricular pellets applied to non-therapeutic ear points, along with the same standardized basic breast care, for 3 consecutive days.

Procedure: Sham Auricular AcupressureBehavioral: Basic Breast Care

Interventions

Auricular acupressure involves stimulation of specific ear acupoints corresponding to body organs. In this study, semi-permanent auricular needles (auricular pellets) will be applied to 4 therapeutic acupoints: Breast AH11, Shenmen TF4, Endocrine CO18, Central Rim AT2-4 on the ear ipsilateral to the affected breast. Needles will be retained for 3 days to provide continuous stimulation. Participants will be prompted to gently press the points 3 times daily. All procedures will be performed by a licensed traditional medicine physician following standardized protocols.

Also known as: Auricular Therapy, Ear Acupressure, Auricular Pellets
Auricular Acupressure + Basic Care

Sham auricular acupressure will be performed using semi-permanent auricular needles applied to 4 non-therapeutic ear points: Wrist SF2, Jaw LO3, Urethra HX3, Outer Nose TF1-2) unrelated to the pathophysiology of blocked milk ducts. The procedure, duration (3 days), and participant instructions will be identical to the active intervention to maintain blinding. All procedures will be performed by a licensed traditional medicine physician.

Also known as: Placebo Auricular Acupressure, Sham Ear Acupressure
Sham Auricular Acupressure + Basic Care

Standardized basic breast care includes frequent breastfeeding (at least 8 times per day or milk expression if needed), gentle breast massage during feeding, and warm compresses (40-42°C for 10 minutes before feeding). Participants will be instructed and supervised by trained midwives three times daily and perform self-care at other times. Adherence will be recorded using monitoring forms.

Also known as: Standard Care, Breast Care
Auricular Acupressure + Basic CareSham Auricular Acupressure + Basic Care

Eligibility Criteria

Age18 Years - 40 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Participants must meet all of the following criteria:
  • Postpartum women aged 18-40 years who have undergone cesarean delivery and are hospitalized in the obstetrics department.
  • At least 24 hours after cesarean delivery.
  • Diagnosed with uncomplicated blocked milk ducts based on clinical signs, including localized breast pain and engorgement, a palpable localized firm mass, and reduced or interrupted milk flow.
  • Absence of systemic signs of infection (e.g., fever ≥38.5°C, chills, or severe fatigue) and no evidence of breast abscess.
  • Numeric Rating Scale (NRS) pain score ≥ 4.
  • Gestational age ≥ 37 weeks, with a healthy newborn without abnormalities.
  • Willing and able to provide written informed consent.

You may not qualify if:

  • Participants meeting any of the following criteria will be excluded:
  • Clinical signs of mastitis, breast abscess, or breast infection.
  • Underlying medical conditions that may affect lactation, such as diabetes mellitus, thyroid disorders, or chronic liver or kidney disease.
  • Known allergy or hypersensitivity to materials used in auricular acupressure or components of basic breast care.
  • Severe psychiatric or cognitive conditions that may impair the ability to follow study procedures.
  • Inability or unwillingness to comply with the study protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Obstetrics, Le Van Thinh Hospital

Ho Chi Minh City, Ho Chi Minh City, Vietnam

Location

Related Publications (10)

  • Kataria K, Srivastava A, Dhar A. Management of lactational mastitis and breast abscesses: review of current knowledge and practice. Indian J Surg. 2013 Dec;75(6):430-5. doi: 10.1007/s12262-012-0776-1. Epub 2012 Dec 12.

    PMID: 24465097BACKGROUND
  • Abou-Dakn M, Richardt A, Schaefer-Graf U, Wockel A. Inflammatory Breast Diseases during Lactation: Milk Stasis, Puerperal Mastitis, Abscesses of the Breast, and Malignant Tumors - Current and Evidence-Based Strategies for Diagnosis and Therapy. Breast Care (Basel). 2010 Mar;5(1):33-37. doi: 10.1159/000272223. Epub 2010 Feb 16.

    PMID: 22619640BACKGROUND
  • Boram L, Chan-Young K, Sun Haeng L. Effectiveness and safety of auriculotherapy for breastfeeding: a systematic review. J Tradit Chin Med. 2020 Oct;40(5):721-737. doi: 10.19852/j.cnki.jtcm.2020.05.002.

    PMID: 33000573BACKGROUND
  • Han S, Kim B, Park H. Auricular Acupressure on Breast Pain Among Breastfeeding Mothers Receiving Gentle Hand Techniques: A Randomized, Single-Blind, Sham-Controlled Trial. J Hum Lact. 2024 May;40(2):248-258. doi: 10.1177/08903344241228545. Epub 2024 Feb 20.

    PMID: 38379313BACKGROUND
  • Hill PD, Humenick SS. The occurrence of breast engorgement. J Hum Lact. 1994 Jun;10(2):79-86. doi: 10.1177/089033449401000212.

    PMID: 7619260BACKGROUND
  • Yu J, Zhou J. [Effect of auricular point sticking on lactation of puerperant]. Zhongguo Zhen Jiu. 2012 Dec;32(12):1087-9. Chinese.

    PMID: 23301475BACKGROUND
  • Spencer JP. Management of mastitis in breastfeeding women. Am Fam Physician. 2008 Sep 15;78(6):727-31.

    PMID: 18819238BACKGROUND
  • Zakarija-Grkovic I, Stewart F. Treatments for breast engorgement during lactation. Cochrane Database Syst Rev. 2020 Sep 18;9(9):CD006946. doi: 10.1002/14651858.CD006946.pub4.

    PMID: 32944940BACKGROUND
  • Chen ML, Tan JY, Suen LK. Auricular therapy for lactation: A systematic review. Complement Ther Clin Pract. 2017 Nov;29:169-184. doi: 10.1016/j.ctcp.2017.09.006. Epub 2017 Sep 18.

    PMID: 29122257BACKGROUND
  • Fang YW, Chen SF, Wang ML, Wang MH. Effects of traditional Chinese medicine-assisted intervention on improving postpartum lactation: A systematic review and meta-analysis. Heliyon. 2024 Mar 1;10(6):e27154. doi: 10.1016/j.heliyon.2024.e27154. eCollection 2024 Mar 30.

    PMID: 38524574BACKGROUND

Related Links

MeSH Terms

Conditions

Lactation Disorders

Interventions

Standard of Care

Condition Hierarchy (Ancestors)

Puerperal DisordersPregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Intervention Hierarchy (Ancestors)

Quality Indicators, Health CareQuality of Health CareHealth Services AdministrationHealth Care Quality, Access, and Evaluation

Central Study Contacts

Huy Chung Ly, MD, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
This study is designed as a single-blind randomized controlled trial. Participants will be randomly assigned to either the intervention group or the control group and will be blinded to group allocation. They will not be informed about the specific therapeutic effects of the auricular acupoints used. Both groups will receive similar procedures, including the use of identical auricular pellets, application techniques, and instructions for self-pressing, to minimize the risk of unblinding. Investigators administering the interventions and collecting outcome data will not be blinded due to the nature of the procedures. However, data analysis will be performed by an independent statistician using coded group allocation (e.g., A/B) to reduce potential bias.
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

April 26, 2026

First Posted

May 1, 2026

Study Start

May 1, 2026

Primary Completion (Estimated)

October 1, 2026

Study Completion (Estimated)

October 1, 2026

Last Updated

May 1, 2026

Record last verified: 2026-04

Locations