Effect of P6 acupressure on nausea and vomiting in pregnant women: A randomized controlled clinical trial (2024)

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Protocol summary

Study aim

This study examines and compares the effect of P6 acupressure with Sea-band, and placebo with each other and control group on the severity and frequency of nausea and vomiting of pregnancy.

Design

Randomized, controlled clinical trial in which 75 pregnant women in 3 groups participated.

Settings and conduct

This study was carried out on pregnant women who received prenatal care in five public healthcare centers in Ardebil (Iran). The participants were allocated to three groups including acupressure group (n=25), placebo group (n=25), and control group (n=25).

Participants/Inclusion and exclusion criteria

Inclusion criteria: having mild to moderate nausea and/or vomiting; planned and normal pregnancy; gestational age under 20 weeks; being literate. Non inclusion criteria: symptoms of Hyperemesis Gravidarum; molar or twin pregnancy; threatened abortion; being affected by any known medical condition that might manifest with nausea or vomiting; any history of recent psychological disorders which require referring to psychologist or psychiatrist or disastrous events; taking medicine (emetic or antiemetic); smoking.

Intervention groups

In acupressure group, constant pressure was applied on P6 points by means of a wristband on both wrists for three days except while showering. Participants in the placebo group used a wristband with the same method as for acupressure group but without the pressure button. No additional intervention was done for control group. Recommendations about dietary modifications were given to all participants verbally and in written.

Main outcome variables

Nausea (frequency; duration; severity); vomiting frequency

General information

Reason for update
Acronym
IRCT registration information

IRCT registration number:IRCT20190205042624N1

Registration date:2019-03-03, 1397/12/12

Registration timing:retrospective

Last update:2019-03-03, 1397/12/12

Update count:0

Registration date
2019-03-03, 1397/12/12
Registrant information

Name

Sedigheh Sedigh Mobarakabadi

Name of organization / entity

Country

Iran (Islamic Republic of)

Phone

+98 21 8865 5366

Email address

sedighehsedigh@sbmu.ac.ir

Recruitment status
Recruitment complete
Funding source
Expected recruitment start date
2006-04-17, 1385/01/28
Expected recruitment end date
2006-11-20, 1385/08/29
Actual recruitment start date
2006-04-17, 1385/01/28
Actual recruitment end date
2006-11-20, 1385/08/29
Trial completion date
2006-11-20, 1385/08/29
Scientific title
Effect of P6 acupressure on nausea and vomiting in pregnant women: A randomized controlled clinical trial
Public title
The effect of P6 Acupressure on nausea and vomiting of pregnancy
Purpose
Treatment
Inclusion/Exclusion criteria

Inclusion criteria:

Mild to moderate nausea and/or vomitingplanned and normal pregnancygestational age under 20 weeksBeing literate

Exclusion criteria:

symptoms of Hyperemesis Gravidarum (weight loss, hydration therapy, intravenous drugs, and or hospitalization for treatment of NVP)molar or twin pregnancythreatened abortionbeing affected by any known medical condition that might manifest with nausea or vomitinghistory of recent psychological disorders which require referring to psychologist or psychiatrist or disastrous eventstaking medicine (emetic or antiemetic)smoking

Age
From 19 years old to 35 years old
Gender
Female
Phase
N/A
Groups that have been masked
No information
Sample size

Target sample size:63

Actual sample size reached:75

Randomization (investigator's opinion)
Randomized
Randomization description

Eligible participants were randomly allocated to three groups, using Random Allocation Soft-ware

Blinding (investigator's opinion)
Not blinded
Blinding description
Placebo
Used
Assignment
Parallel
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee

Name of ethics committee

The Ethics Committee of Shahid Beheshti University of Medical Sciences

Street address

Next to Taleghani hospital; SHahid Arabi Ave, Yaman street; SHahid CHamran highway

City

Tehran

Province

Tehran

Postal code

19839-63113

Approval date
2018-03-18, 1396/12/27
Ethics committee reference number
IR.SBMU.PHNM.1396.959

Health conditions studied

1

Description of health condition studied
Nausea and Vomiting of Pregnancy
ICD-10 code
ICD-10 code description

Primary outcomes

1

Description
Nausea of Pregnancy
Timepoint
Twice a day (midday and at night before bed) during the three days of intervention period.
Method of measurement
Daily diaries form included frequency, duration (minute), and severity of nausea [scored from 0 (no nausea) to 4 (very severe nausea)] and frequency of vomiting

2

Description
Vomiting of Pregnancy
Timepoint
Twice a day (midday and at night before bed) during the three days of intervention period.
Method of measurement
Daily diaries form included frequency of vomiting

Secondary outcomes

1

Description
Overall rate of response to treatment for nausea and vomiting
Timepoint
after intervention
Method of measurement
Questionnaire (overall rate of response to treatment for nausea and vomiting separately [scored from 0 (significantly worse) to 4 (significantly better)])

2

Description
applying dietary modification
Timepoint
after intervention
Method of measurement
Questionnaire (applying dietary modifications (yes, almost, no))

3

Description
satisfaction from treatment
Timepoint
after intervention
Method of measurement
Questionnaire (satisfaction from treatment (yes, almost, no))

Intervention groups

1

Description
Intervention group: Acupressure group received pressure on P6 with Sea-band button for 3 days
Category
Treatment - Devices

2

Description
Control group: applied Sea-band without pressure on P6
Category
Placebo

Recruitment centers

1

Recruitment center

Name of recruitment center

Bakeri public healthcare center in Ardebil

Full name of responsible person

Giti Ozgoli

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

gitiozgoli2017@gmail.com

2

Recruitment center

Name of recruitment center

Javid Mohseni public healthcare center in Ardebil

Full name of responsible person

Giti Ozgoli

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street, Tehran, Iran

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

gitiozgoli2017@gmail.com

3

Recruitment center

Name of recruitment center

Jedi public healthcare center in Ardebil

Full name of responsible person

Giti Ozgoli

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street, Tehran, Iran

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

gitiozgoli2017@gmail.com

4

Recruitment center

5

Recruitment center

Name of recruitment center

Mirza Hoseini public healthcare center in Ardebil

Full name of responsible person

Giti Ozgoli

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street, Tehran, Iran

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

gitiozgoli2017@gmail.com

6

Recruitment center

Name of recruitment center

Akhari public healthcare center in Ardebil

Full name of responsible person

Giti Ozgoli

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street, Tehran, Iran

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

gitiozgoli2017@gmail.com

Sponsors / Funding sources

1

Sponsor

Name of organization / entity

Shahid Beheshti University of Medical Sciences

Full name of responsible person

Sedigheh Sedigh Mobarakabadi

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Fax

+98 21 8820 2521

Email

sedighehsedigh@gmail.com

Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Shahid Beheshti University of Medical Sciences
Proportion provided by this source
100
Public or private sector
Public
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Academic

Person responsible for general inquiries

Contact

Name of organization / entity

Shahid Beheshti University of Medical Sciences

Full name of responsible person

Sedigheh Sedigh Mobarakabadi

Position

Assistant professor

Latest degree

Ph.D.

Other areas of specialty/work

Midwifery

Street address

Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Email

sedighehsedigh@gmail.com

Person responsible for scientific inquiries

Contact

Name of organization / entity

Shahid Beheshti University of Medical Sciences

Full name of responsible person

Sedigheh Sedigh Mobarakabadi

Position

Assistant professor

Latest degree

Ph.D.

Other areas of specialty/work

Midwifery

Street address

School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Email

Sedighehsedigh@gmail.com

Person responsible for updating data

Contact

Name of organization / entity

Shahid Beheshti University of Medical Sciences

Full name of responsible person

sedigheh sedigh mobarakabadi

Position

Assistant professor

Latest degree

Ph.D.

Other areas of specialty/work

Midwifery

Street address

School of Nursing and Midwifery, Niayesh Highway, Vali-asr Street

City

Tehran

Province

Tehran

Postal code

1985717443

Phone

+98 21 8865 5366

Email

sedighehsedigh@gmail.com

Sharing plan

Deidentified Individual Participant Data Set (IPD)
No - There is not a plan to make this available
Justification/reason for indecision/not sharing IPD

Some part our spss data dystroied

Study Protocol
No - There is not a plan to make this available
Statistical Analysis Plan
No - There is not a plan to make this available
Informed Consent Form
No - There is not a plan to make this available
Clinical Study Report
No - There is not a plan to make this available
Analytic Code
No - There is not a plan to make this available
Data Dictionary
Not applicable
Effect of P6 acupressure on nausea and vomiting in pregnant women: A randomized controlled clinical trial (2024)

FAQs

Effect of P6 acupressure on nausea and vomiting in pregnant women: A randomized controlled clinical trial? ›

Acupressure was effective for women with nausea and vomiting during pregnancy (odds ratio (OR)= 4.81, 95% confidence interval (CI) [3.47, 6.68]; p<0.0001); it significantly reduced the nausea score of the Rhodes index (mean square deviation (MD): -3.21, 95% CI [-4.85, -1.57], Z = 3.83, p = 0.0001), modified Pregnancy ...

What is the effect of acupressure on nausea and vomiting during pregnancy a randomized placebo controlled pilot study? ›

Study design: A randomized, placebo-controlled, pilot study involving 60 women. Results: It is possible to reduce NVP significantly with acupressure at P6 as compared to acupressure at a placebo point or no treatment at all in healthy women with normal pregnancies.

What is the effect of P6 acupressure on nausea and vomiting of pregnancy a randomized single blind placebo controlled trial? ›

Conclusion. Acupressure on the P6 applied using a wristband for at least three days appears to be effective in the relief of nausea and vomiting of pregnancy; however, this finding may be due in part to the placebo effect.

What is the effect of acupressure at pc6 on nausea and vomiting during pregnancy a randomized controlled trial? ›

Results: The acupressure wristbands decreased the nausea and vomiting scores of the pregnant women in the experimental group without statistical significance but did not change the nausea and vomiting scores of the pregnant women in the control group.

Can acupuncture help with nausea and vomiting in pregnancy? ›

Acupuncture can help reduce nausea and vomiting by: Increasing the secretion of endorphins and ACTH (adrenocorticotropic hormone) from the pituitary gland which inhibits the chemoreceptor trigger zone and vomiting center; these are the areas of the brain that are responsible for nausea and vomiting.

What is the P6 acupressure point? ›

P6 (Nei Guan) is the sixth meridian point in the pericardium channel of Hand Jueyin, which is located on the anterior surface of the forearm about 2 inches proximal to the distal wrist crease between the tendons of the musculus flexor carpi radialis and musculus palmaris longus [11,12,13].

What is the pressure point P6 for morning sickness? ›

Pressure point P-6 is also called Neiguan (nay-gwann). It is found on your inner arm near your wrist. Doing acupressure on this point can help with nausea and prevent vomiting.

What is the science behind nausea and vomiting in pregnancy? ›

A new USC and University of Cambridge study finds that a hormone produced by the fetus – and a mother's sensitivity to the hormone – are the cause behind nausea and vomiting of pregnancy, which, in its more extreme form can put the mother and fetus at risk.

What is the pc6 acupuncture point for pregnancy? ›

The administration of PC-6 acupressure on the duration of nausea, the frequency of nausea, and the frequency of vomiting for nausea and emesis gravidarum showed that the results of the study on the average duration of nausea, the frequency of nausea and the frequency of vomiting there was a decrease in the intervention ...

Where are the acupressure points for vomiting during pregnancy? ›

The Youmen pressure point lies on either side of the upper stomach, just below the breastbone. Practitioners suggest that manipulating this point may reduce nausea and vomiting in pregnancy. Due to the location of this point, a person may need an experienced acupressure practitioner to apply pressure to it for them.

What is the acupressure point for nausea and vomiting? ›

Sometimes, mild nausea and even morning sickness may improve by using your middle and index fingers to press firmly down on the groove between the two large tendons on the inside of your wrist that start at the base of your palm. Special wristbands to help relieve nausea are sold over the counter at many stores.

Where is the best acupressure point for nausea? ›

PC6 or P6 (Nei Guan)

Pericardium 6 (PC6 or P6) is a pressure point located on the inner side of your wrist. Research shows that it can help people cope with nausea from anesthesia and surgery.

What acupuncture points should be avoided during pregnancy? ›

There is no official consensus on exactly which points and how many points are truly forbidden, but the ones practitioners have commonly agreed upon (before week 37 in pregnancy) include: SP6 (spleen channel) LI4 (large intestine channel) BL60 (bladder channel)

Is acupressure safe during pregnancy? ›

When done properly by a trained professional, acupuncture during pregnancy is considered safe and has few risks. One review found Opens a new window that acupuncture wasn't likely to be associated with miscarriage or other major complications.

Can the placebo effect make you throw up? ›

Placebos have the power to cause unwanted side effects. Nausea, drowsiness and allergic reactions, such as skin rashes, have been reported as negative placebo effects – also known as nocebo effects (see below). Deceiving people is wrong, even if it helps someone's symptoms to go away.

Does acupuncture have a place as an adjunct treatment during pregnancy a review of randomized controlled trials and systematic reviews? ›

Findings from the review also highlighted promising evidence for the effectiveness of acupuncture to manage back and pelvic pain, acupuncture-type interventions to induce change in breech presentation, and pain relief in labor.

What is the effect of acupressure on nausea and vomiting after cesarean section under spinal anesthesia? ›

In parturients who underwent Caesarean deliveries which were performed under spinal anaesthesia in this study, Metoclopramide and Acupressure were found to be similarly effective in reducing emetic symptoms (nausea, retching, and vomiting).

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