Thumbtack Needle in the Treatment of NVP (TN-NVP)

January 5, 2026 updated by: Dongmei Huang

Clinical Efficacy and Safety Evaluation of Thumbtack Needle in Nausea and Vomiting in Pregnancy: a Randomized Controlled Clinical Trial

This project intends to use multi-center, large-sample, randomized, controlled, blinded clinical trials to observe the clinical efficacy and safety of thumbtack needle (TN) on nausea and vomiting in pregnancy (NVP).

Study Overview

Detailed Description

Nausea and vomiting in pregnancy (NVP) is the most common and intractable problem in the first trimester and is the second most common presentation during pregnancy. All types of NVP affect the quality of life of pregnant women, and the intensity of influence increases with the frequency of symptoms. Due to the lack of awareness of NVP and the concern about the teratogenicity of drugs to embryos, the treatment of NVP is always insufficient, and the choice of drug regimen is conservative.

Acupuncture using traditional millineedle is effective on NVP, however, it is generally painful when the millineedle is inserted into the body, and the needling sensation of soreness, numbness, swelling and pain during acupuncture is sometimes beyond patient's acceptability, or even produce adverse effects on pregnancy. Moreover, patients may have to visit acupuncturist daily using millineedle, which may causes high financial costs and reduce the medial adherence. Therefore, although acupuncture with millineedle is effective on NVP, its application in clinical practice is still very limited.

As a kind of intradermal needle, thumbtack needle (TN) is a method of shallow puncture and long-term retention needle. Although the amount of stimulation of TN is weaker than that of millineedle, it has a much longer effect and can produce continuous and stable stimulation, and therefore, its cumulative effect is often better than that of traditional millineedle acupuncture. Moreover, due to the tiny needle body of TN (the diameter of the needle body is only 0.15 ~ 0.25mm, and the length of the needle body is only 1.2 ~ 2.5mm), it will not hurt the subcutaneous nerves, blood vessels, viscera and other tissues, which is very comfortable and safe to treat, and overcomes the needle sting pain of traditional millineedles. However, up to now, it is unknown whether TN can produce the same effect as the acupuncture in NVP.

This project is a multi-center, large-sample and blinded RCT designed to collect the highest quality evidence of complete data, including nausea and vomiting, quality of life, anxiety and depression, weight change, blood electrolyte levels, liver and kidney function, thyroid function, intravenous fluid treatment, use of additional drugs, hospital admission, pregnancy complications (gestational diabetes and hypertensive diseases), pregnancy outcomes and neonatal outcomes in women with VNP.

Study Type

Interventional

Enrollment (Estimated)

320

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Dongmei Huang, Doctor
  • Phone Number: 86 27 83663237 86 13971578190
  • Email: hdmjcr@qq.com

Study Locations

    • Hubei
      • Jingzhou, Hubei, China, 434300
        • Recruiting
        • Jingzhou Hospital of Traditional Chinese Medicine
        • Contact:
      • Nanzhang Chengguanzhen, Hubei, China, 441500
        • Recruiting
        • Nanzhang County Traditional Chinese Medicine Hospital
        • Contact:
      • Qianjiang, Hubei, China, 433100
        • Recruiting
        • Qianjiang Central Hospital
        • Contact:
      • Qianjiang, Hubei, China, 433199
        • Recruiting
        • Qianjiang Maternal and Child Health Care Hospital
        • Contact:
      • Shiyan, Hubei, China, 442099
        • Recruiting
        • Shiyan People's Hospital
        • Contact:
      • Suizhou, Hubei, China, 441399
        • Recruiting
        • Suizhou Maternal and Child Health Care Hospital
        • Contact:
      • Wuhan, Hubei, China, 430014
        • Recruiting
        • Wuhan Jinxin Gynecology and Obstetrics Hospital of Integrative Medicine
        • Contact:
      • Wuhan, Hubei, China, 430030
        • Recruiting
        • Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology
        • Contact:
      • Xiangyang, Hubei, China, 441106
        • Recruiting
        • Xiangyang Central Hospital
        • Contact:
      • Xiangyang, Hubei, China, 441001
        • Recruiting
        • Xiangyang Hospital of Traditional Chinese Medicine
        • Contact:
      • Xiaogan, Hubei, China, 432001
        • Recruiting
        • Xiaogan Maternal and Child Health Care Hospital
        • Contact:
    • Shandong
      • Liaocheng, Shandong, China, 252004
        • Recruiting
        • Dongchangfu District Maternal and Child Health Care Hospital of Liaocheng City
        • Contact:
    • Xinjiang
      • Aksu, Xinjiang, China, 843099
        • Recruiting
        • Aksu Prefecture Maternal and Child Health Hospital
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • The mother's age is 20 ~ 45 years old, the gestational age is 6 ~ 12 weeks, and the ultrasound confirms that it is an intrauterine single or multiple pregnancy, and the weight loss is less than 10% compared with before pregnancy.
  • Women diagnosed with moderate to severe NVP in the first trimester: the severity of NVP was determined by the PUQE score (see Table 1), and the PUQE score ranged from 3 ~ 15, < 6 was mild NVP, 6 ~ 12 was moderate NVP, and ≥13 was severe NVP. PUQE score ≥ 6 may be included in this study.
  • Women voluntarily sign the informed consent form.

Exclusion Criteria:

  • Age >20 years, and <45 years.
  • Gestational > 6 weeks, or <12 weeks.
  • PUQE score <6.
  • frequent nausea and vomiting, weight loss of >10% compared with before pregnancy; or symptoms such as listlessness, paleness, dry skin, sunken eye sockets, and a marked decrease in urine output (less than 400ml of urine in 24 hours or less than 5 times and a small amount of urine in 24 hours).
  • At rest, body temperature > 38°C, systolic blood pressure < 90 mmHg or > 140 mmHg, diastolic blood pressure < 60 mmHg or > 90 mmHg, heart rate ≥ 100 beats per minute, or oxygen saturation < 95%.
  • Urinalysis: urine ketones: +++ and above; or (and) urine protein: ++ and above.
  • Blood biochemistry: serum potassium≤3.0mmol/L, serum sodium≤130mmol/L; or abnormal liver function: elevated liver enzymes ≥ 2 times the upper limit of normal; or renal dysfunction: elevated serum creatinine and urea nitrogen.
  • Other digestive diseases that cause nausea and vomiting, such as gastrointestinal infections (with diarrhea), gastric ulcers (with epigastric pain or hematemesis), cholecystitis, biliary roundworms, pancreatitis (with abdominal pain, plasma amylase levels rise to 5 ~ 10 times normal), viral hepatitis (positive hepatitis virology, liver enzyme levels ≥ 1 000 U/L) or acute fatty liver during pregnancy, tumors of the digestive tract.
  • Suffering from immune diseases such as systemic lupus erythematosus, scleroderma, dermatomyositis, IgG4-related diseases, immune nephropathy, etc.
  • Have uncorrected diseases of the endocrine system, such as diabetes, Addison's disease, hyperthyroidism, hypothyroidism, thyroid tumors, adrenal tumors, etc.
  • Suffering from neurological diseases such as migraine, neuromyelitis optica, epilepsy, neurologic tumors, etc.
  • In the past 1 week, have taken antiemetic drugs such as ondansetron, metoclopramide (metoclopramide), promethazine, anti-vomiting Chinese medicine, etc.
  • Monoamine oxidase inhibitors are used.
  • Have received TN treatment in recent 3 months.
  • Unwilling to sign the informed consent of this study.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: thumbtack needle (TN) group
The main acupoints of treatment are Zhongwan (CV12), bilateral Neiguan (SP6), and bilateral Zusanli (ST36), with a total of 5 acupoints. patients with Qi stagnation should be added Danzhong (CV17) or Ashi acupoint (the most prominent tender point between CV 17 and CV12), patients with liver and stomach disharmony should be added bilateral BL17, patients with phlegm-dampness obstruction should be added bilateral ST40, and patients with weak spleen and stomach should be added bilateral BL21. The above acupoints are treated with TN. The TN will be reserved in the acupoints for 3 days. During the 3-day retention of TN, the patient presses the TN 3 times a day and half a minute per time per acupoint. After 3 days of retention of TN, the patient is instructed to go to the hospital and receive the next TN treatment. A total of 5 treatments were applied for a duration of 15 days.
As a kind of intradermal needle, thumbtack needle (TN) is a method of shallow puncture and long-term needle.After the TN is attached into the acupoints, it will be reserved in the acupoints for 3 days. After 3 days of retention of TN, the patient is instructed to go to the hospital, where the doctor removes the needle, disinfect the local skin of acupoints and conducts the next TN treatment. A total of 5 treatments were applied for a duration of 15 days.
Sham Comparator: sham TN group
The acupoints of sham TN group are the same as those of TN group. The use of sham TN was the same as that of the TN group. During the 3-day retention of sham TN, the patients are asked not to press them. After 3 days retention of sham TN, the patient was instructed to go to the hospital, where the doctor removed the sham TN, and conducted the next treatment after local skin disinfection. A total of 5 treatments were given for a duration of 15 days.

The sham TN used in the sham TN group has no needle body and its appearance and shape are similar to the real TN. But it does not produce a needle-like effect.

The acupoints of sham TN group are the same as those of TN group. The use of sham TN is the same as that of the TN group. After 3 days retention of sham TN, the patient will be instructed to go to the hospital, where the doctor remove the sham TN, and conduct the next treatment after local skin disinfection. A total of 5 treatments will be applied for a duration of 15 days.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Score change of pregnancy unique quantification of emesis (PUQE) scale from baseline to day 15.
Time Frame: Baseline to day 15
PUQE scores ranged 3 to 15, with higher scores indicating a worse outcome. PUQE scores were evaluated before treatment and on days 3, 6, 9, 12, and 15 of treatment. The primary outcome measure was the change of PUQE score from baseline to day 15.
Baseline to day 15

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Adverse events and serious adverse events
Time Frame: Baseline to the end of follow-up (four weeks after the end of treatment)
The percentage of adverse events and serious adverse events
Baseline to the end of follow-up (four weeks after the end of treatment)
The Nausea and Vomiting of Pregnancy Quality of Life (NVPQOL) questionnaire
Time Frame: Baseline to day 15
The NVPQOL range 30-210, with higher scores means a worse quality of life
Baseline to day 15
Anxiety status survey: Zung-SAS
Time Frame: Baseline to day 15
Zung-SAS range 25-100, with higher scores means more severe anxiety
Baseline to day 15
Depression status survey: Zung-SDS
Time Frame: Baseline to day 15
Zung-SDS range 20-80, with higher scores means more severe depression
Baseline to day 15
Sleep status survey: The Pittsburgh sleep quality index (PSQI)
Time Frame: Baseline to day 15
PSQI range 0-21, with higher scores means poorer sleep status
Baseline to day 15
Change of maternal weight from baseline to last visit
Time Frame: Baseline to day 15
Change of maternal weight from baseline to the last visit
Baseline to day 15
Change of electrolyte index (sodium)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (potassium)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (calcium)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (chlorine)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (phosphorus)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (magnesium)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of electrolyte index (iron)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: μmol/L
Baseline to day 15
Change of electrolyte index (zinc)
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: μmol/L
Baseline to day 15
Carbon dioxide combining power in the blood
Time Frame: Baseline to day 15
carbon dioxide conbining power in the artery blood. Unit: mmol/L
Baseline to day 15
Change of AST
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: U/L
Baseline to day 15
Change of ALT
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: U/L
Baseline to day 15
Change of ALP
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: U/L
Baseline to day 15
Change of creatinine
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: μmol/L
Baseline to day 15
Change of urea
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mmol/L
Baseline to day 15
Change of TSH
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: mIU/L
Baseline to day 15
Change of free triiodothyronine
Time Frame: Baseline to day 15
Value changes from baseline to last visit. Unit: pmol/L
Baseline to day 15
Change of free thyroxine
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: pmol/L
Baseline to day 15
Change of cortisol
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: ug/dL
Baseline to day 15
Change of ghrelin
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: ng/ml
Baseline to day 15
Change of leptin
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: ng/ml
Baseline to day 15
Change of 5-hydroxytryptamine
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: ng/ml
Baseline to day 15
Change of substance P
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: pg/ml
Baseline to day 15
Change of arginine vasopressin plasma
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: pg/ml
Baseline to day 15
Change of GDF 15
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: pg/ml
Baseline to day 15
Change of IGFBP 7
Time Frame: Baseline to day 15
Value changes from baseline to the last visit. Unit: ng/ml
Baseline to day 15
Number of participants with intravenous fluid treatment during treatment
Time Frame: Baseline to day 15
If the patient suffers from dehydration or electrolyte imbalances, intravenous fluid treatment will be done.
Baseline to day 15
Number of participants with concomitant treatment
Time Frame: Baseline to day 15
How many participants with concomitant treatment
Baseline to day 15
Number of participants with hospital admission during treatment
Time Frame: Baseline to day 15
If the patient suffers from further aggravation of neasua and vomiting or hyperemesis gravidarum, hospital admission will be done.
Baseline to day 15
Number of participants with termination of pregnancy
Time Frame: Data collected from baseline to 1 week after termination of pregnancy
If the patient suffers from further aggravation of hyperemesis gravidarum, the termination of a wanted pregnancy will be done due to life in danger. Or if congenital anomalies are found by ultrasound, the termination of a wanted pregnancy will be done.
Data collected from baseline to 1 week after termination of pregnancy
Pregnancy complications
Time Frame: Data collected from baseline up to 42 days after parturition
Pregnancy complications including miscarriage (in the first trimester and in the second trimester), hypertensive disorders, gestational diabetes and so on.
Data collected from baseline up to 42 days after parturition
Number of participants with preterm birth
Time Frame: Data collected from baseline to 42 days after postpartum
How many participants with preterm birth
Data collected from baseline to 42 days after postpartum
Delivery outcomes
Time Frame: Data collected from baseline to 42 days after postpartum
Delivery outcomes including live birth, vaginal birth, caesarean section, gestational age, etc.
Data collected from baseline to 42 days after postpartum
Number of participants with neonatal congenital anomalies
Time Frame: Data collected from baseline to 42 days after postpartum.
Participants with neonatal congenital anomalies
Data collected from baseline to 42 days after postpartum.
Number of participants with neonatal mortality
Time Frame: Data collected from baseline to 42 days after postpartum.
Participants with neonatal mortality
Data collected from baseline to 42 days after postpartum.
Number of participants with neonatal hypoglycemia
Time Frame: From baseline to 42 days after postpartum.
Participants with neonatal hypoglycemia.
From baseline to 42 days after postpartum.
Number of participants with neonatal NICU admission.
Time Frame: From baseline to 42 days after postpartum.
Participants with neonatal NICU admission.
From baseline to 42 days after postpartum.
Patient's satisfaction with treatment
Time Frame: Baseline to day 15
Questionnaire such as loss of confidence, doubt of the efficacy or intolerance to the treatment of TTN and so on. The answer is "yes" or "no".
Baseline to day 15
Patient's compliance with treatment
Time Frame: Baseline to 42 days after postpartum.
The percentage of the participants which finish the treatment and the follow-up.
Baseline to 42 days after postpartum.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Dongmei Huang, Doctor, Huazhong University of Science and Technology

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

October 1, 2024

Primary Completion (Estimated)

October 1, 2028

Study Completion (Estimated)

December 31, 2028

Study Registration Dates

First Submitted

August 12, 2024

First Submitted That Met QC Criteria

August 21, 2024

First Posted (Actual)

August 22, 2024

Study Record Updates

Last Update Posted (Actual)

January 8, 2026

Last Update Submitted That Met QC Criteria

January 5, 2026

Last Verified

January 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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