PainNCT05701904
Vibration and Shotblocker Use in Pregnant Women While Giving Tetanus + Diphtheria Vaccine
A study testing Local mechanical vibration and Shotblocker group in people with Pain, run by Hasan Kalyoncu University at 1 site in Turkey (Türkiye).
Trial summary
Tetanus-diphtheria vaccine administered to pregnant women may cause pain during and after administration. Due to the pain that may occur, the compliance of pregnant women towards the vaccine may be impaired. Therefore, there is a need for methods that are safe for pregnant women to reduce pain. Read more about this study
- Who is it for?
- Ages 18 to 45 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Pain
- What is being tested?
- Local mechanical vibration and Shotblocker group
- Type of treatment
- Vaccines, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 96 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 20 Feb 2023to 20 Feb 2024
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 45 years
- Women only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Those who volunteered to participate in the study and received written consent
- Pregnant women who were prescribed tetanus + diphtheria vaccine
- No acute cause of pain other than injection pain
- Able to communicate verbally
- Pregnant women over the age of 18
Who cannot join
- Not willing to participate in the study
- Pregnant women who are not prescribed tetanus + diphtheria vaccine
- An acute cause of pain other than injection pain
- Unable to communicate verbally
- Pregnant women under the age of 18
- Those over the age of 18 who are not pregnant
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Investigation of the Effect of Local Mechanical Vibration and Shotblocker Application on Pain and Patient Satisfaction Before Tetanus + Diphtheria Vaccine in Pregnant Women
Tetanus-diphtheria vaccine administered to pregnant women may cause pain during and after administration. Due to the pain that may occur, the compliance of pregnant women towards the vaccine may be impaired. Therefore, there is a need for methods that are safe for pregnant women to reduce pain. One of the applications used to reduce pain during intramuscular injection is local mechanical vibration application. With the application of vibration, the tactile receptors are stimulated and the pain is localized in a more limited area. One of the methods used to reduce the pain felt during intramuscular injection is the application of shotblocker applied to the injection site. The protrusions on the Shotbloker temporarily suppress the pain thanks to the pressure it exerts on the skin. Thus, the gates to the central nervous system are closed and pain is reduced. Mechanical vibration and shotblocker procedures applied before injection are non-invasive. Being simple and safe, it is one of the appropriate methods that can be preferred by pregnant women to reduce injection pain. Therefore, in our study, it is aimed to examine the effect of local mechanical vibration and shotblocker application on pain and patient satisfaction before tetenosis-diphtheria vaccine in pregnant women.
Read the detailed description
Pregnant women who meet the inclusion criteria of the study, who request tetanus-diphtheria (0.5 ml) by their family physician, and who agree to participate in the study will be informed about the study and their written and verbal consents will be obtained. Then the vaccine will be administered. Tetanus-diphtheria vaccine will be administered to all pregnant women in the study by IM in the deltoid muscle in the arm they do not use dominantly.
Data Collection Tools Individual Introduction Form It was prepared by the researchers by scanning the literature . In the introductory form, there are questions about the age, education level, marital status, occupation, income status, smoking status, gestational week, tetonosis vaccination status, height-weight of the pregnant women.
Visual Analog Scale (VAS) VAS patients are initially painless and eventually represent the most severe pain they can feel.
It is a 100 mm straight horizontal line with numbers 0 to 10. '0' means no pain, '10' means severe pain. Participants are asked to mark any number between "0" and "10".
Visual Patient Satisfaction Scale Visual patient satisfaction scale (visual analogue patient satisfaction scale) overlaps with the features of VAS. It indicates the degree of satisfaction out of 10. On one side of the scale, "0" (Not at all satisfied) and on the other side "10" (Very satisfied).
- Conditions
- Pain
- Being tested
- Local mechanical vibration, Shotblocker group
- Keywords
- Nursing care, Management, Pain, Patient Satisfaction, Intramuscular Injections
- Medical subject headings
- Pain, Agnosia, Patient Satisfaction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Local mechanical vibrationOther
Before the injection, local mechanical vibration will be applied for 3 minutes with a vibration device to the deltoid muscle where the injection will be made, and then the vaccine will be given. The vibration device to be used is suitable for contact with the skin and provides 6000 rotations per minute with vibration.
Shotblocker groupOther
It is a U-shaped device with skin contact points on the shotblocker and an opening in the middle for injection (Tugrul, Celik, and Khorshid 2017). The Shotblocker will be placed on the skin surface just before inserting the needle and gently pressed with the fingertips, and the vaccine will be administered immediately afterwards. After removing the needle, the shotblocker will be removed.
| Study group | Role | What they receive |
|---|---|---|
| Local mechanical vibration applied group | Experimental | Before the injection, local mechanical vibration will be applied for 3 minutes with a vibration device to the deltoid muscle where the injection will be made, and then the vaccine will be given. The vibration device to be used is suitable for contact with the skin and provides 6000 rotations per minute with vibration.
Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. Receives: Other: Local mechanical vibration |
| Shotblocker group | Experimental | It is a U-shaped device with skin contact points on the shotblocker and an opening in the middle for injecting. The Shotblocker will be placed on the skin surface just before inserting the needle and gently pressed with the fingertips, and the vaccine will be administered immediately afterwards. After removing the needle, the shotblocker will be removed.
Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. Receives: Other: Shotblocker group |
| Control group | No intervention | The vaccine will be administered by following the standard intramuscular injection procedure. Five minutes after vaccination, an individual descriptive form will be applied to all pregnant women, and pregnant women will score their pain and satisfaction levels with scales. Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Visual Analog Scale (VAS)
The VAS is a 100 mm straight horizontal line with numbers from 0 to 10 representing the patient's initial pain-free and finally the most severe pain they can feel. '0' means no pain, '10' means severe pain. Participants are asked to mark any number between "0" and "10".
Measured: 4 months
Secondary outcomes (1)
Visual Patient Satisfaction Scale
Visual patient satisfaction scale (visual analog patient satisfaction scale) overlaps with the features of the Visual Analog Scale. It indicates the degree of satisfaction out of 10. On one side of the scale, "0" (Not at all satisfied) and "10" (Very satisfied) are on the other side.
Measured: 4 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Jan 2023
- Study start20 Feb 2023
- Primary completion20 Feb 2024
- Study completion20 Feb 2024
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for PainStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- a control group and 2 intervention groups
- Masking
- None (open label)
- Enrolment
- 96 participants (actual)
Sponsor and investigators
- Lead sponsor
- Hasan Kalyoncu University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Senem Andı, Hasan Kalyoncu University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05701904
- Sponsor's protocol ID
- HKU-SBF-SA-01
- Status last verified
- Jul 2025
- First submitted
- 9 Jan 2023
- Last updated
- 24 Jul 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Hawker GA, Mian S, Kendzerska T, French M. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP). Arthritis Care Res (Hoboken). 2011 Nov;63 Suppl 11:S240-52. doi: 10.1002/acr.20543. No abstract available.
PubMed 22588748Dincer B, Yildirim D. The effect of vibration stimulation on intramuscular injection pain and patient satisfaction: Single-blind, randomised controlled study. J Clin Nurs. 2021 Jun;30(11-12):1615-1622. doi: 10.1111/jocn.15715. Epub 2021 Mar 1.
PubMed 33590594
Study at a glance
From the registry record, last updated by the sponsor on 24 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Investigation of the Effect of Local Mechanical Vibration and Shotblocker Application on Pain and Patient Satisfaction Before Tetanus + Diphtheria Vaccine in Pregnant Women
- ClinicalTrials.gov ID
- NCT05701904
- Acronym / sponsor ID
- HKU-SBF-SA-01
- Conditions
- Pain
- Keywords
- Nursing care, Management, Pain, Patient Satisfaction, Intramuscular Injections
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 96 participants (actual)
- Lead sponsor
- Hasan Kalyoncu UniversityUniversity, hospital or other
- Study start
- 20 Feb 2023 (actual)
- Primary completion
- 20 Feb 2024 (actual)
- Study completion
- 20 Feb 2024 (actual)
- First posted
- 27 Jan 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Tetanus-diphtheria vaccine administered to pregnant women may cause pain during and after administration. Due to the pain that may occur, the compliance of pregnant women towards the vaccine may be impaired. Therefore, there is a need for methods that are safe for pregnant women to reduce pain. One of the applications used to reduce pain during intramuscular injection is local mechanical vibration application. With the application of vibration, the tactile receptors are stimulated and the pain is localized in a more limited area. One of the methods used to reduce the pain felt during intramuscular injection is the application of shotblocker applied to the injection site. The protrusions on the Shotbloker temporarily suppress the pain thanks to the pressure it exerts on the skin. Thus, the gates to the central nervous system are closed and pain is reduced. Mechanical vibration and shotblocker procedures applied before injection are non-invasive. Being simple and safe, it is one of the appropriate methods that can be preferred by pregnant women to reduce injection pain. Therefore, in our study, it is aimed to examine the effect of local mechanical vibration and shotblocker application on pain and patient satisfaction before tetenosis-diphtheria vaccine in pregnant women.
Detailed description
Pregnant women who meet the inclusion criteria of the study, who request tetanus-diphtheria (0.5 ml) by their family physician, and who agree to participate in the study will be informed about the study and their written and verbal consents will be obtained. Then the vaccine will be administered. Tetanus-diphtheria vaccine will be administered to all pregnant women in the study by IM in the deltoid muscle in the arm they do not use dominantly.
Data Collection Tools Individual Introduction Form It was prepared by the researchers by scanning the literature . In the introductory form, there are questions about the age, education level, marital status, occupation, income status, smoking status, gestational week, tetonosis vaccination status, height-weight of the pregnant women.
Visual Analog Scale (VAS) VAS patients are initially painless and eventually represent the most severe pain they can feel.
It is a 100 mm straight horizontal line with numbers 0 to 10. '0' means no pain, '10' means severe pain. Participants are asked to mark any number between "0" and "10".
Visual Patient Satisfaction Scale Visual patient satisfaction scale (visual analogue patient satisfaction scale) overlaps with the features of VAS. It indicates the degree of satisfaction out of 10. On one side of the scale, "0" (Not at all satisfied) and on the other side "10" (Very satisfied).
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
- Model description
- a control group and 2 intervention groups
| Arm | Type | Receives |
|---|---|---|
| Local mechanical vibration applied group | Experimental | Other: Local mechanical vibrationBefore the injection, local mechanical vibration will be applied for 3 minutes with a vibration device to the deltoid muscle where the injection will be made, and then the vaccine will be given. The vibration device to be used is suitable for contact with the skin and provides 6000 rotations per minute with vibration. Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. |
| Shotblocker group | Experimental | Other: Shotblocker groupIt is a U-shaped device with skin contact points on the shotblocker and an opening in the middle for injecting. The Shotblocker will be placed on the skin surface just before inserting the needle and gently pressed with the fingertips, and the vaccine will be administered immediately afterwards. After removing the needle, the shotblocker will be removed. Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. |
| Control group | No intervention | –The vaccine will be administered by following the standard intramuscular injection procedure. Five minutes after vaccination, an individual descriptive form will be applied to all pregnant women, and pregnant women will score their pain and satisfaction levels with scales. Pregnant women who were asked to receive tetanus+diphtheria vaccine by their physician and agreed to participate in the study will be informed about the research by the researcher, and their written and verbal consents will be obtained. Then the vaccine will be administered. Td vaccine will be administered to all pregnant women in the study as IM to the deltoid muscle in the arm they do not use dominantly. Five minutes after the vaccination, the individual descriptor form will be applied to all pregnant women, and the pregnant women will score their satisfaction levels with regard to pain and the method used. |
Who may qualify
- Ages
- 18 to 45 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (5 listed)
- Those who volunteered to participate in the study and received written consent
- Pregnant women who were prescribed tetanus + diphtheria vaccine
- No acute cause of pain other than injection pain
- Able to communicate verbally
- Pregnant women over the age of 18
Key exclusion criteria (6 listed)
- Not willing to participate in the study
- Pregnant women who are not prescribed tetanus + diphtheria vaccine
- An acute cause of pain other than injection pain
- Unable to communicate verbally
- Pregnant women under the age of 18
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Local mechanical vibrationBefore the injection, local mechanical vibration will be applied for 3 minutes with a vibration device to the deltoid muscle where the injection will be made, and then the vaccine will be given. The vibration device to be used is suitable for contact with the skin and provides 6000 rotations per minute with vibration. | Other | Local mechanical vibration applied group |
| Shotblocker groupIt is a U-shaped device with skin contact points on the shotblocker and an opening in the middle for injection (Tugrul, Celik, and Khorshid 2017). The Shotblocker will be placed on the skin surface just before inserting the needle and gently pressed with the fingertips, and the vaccine will be administered immediately afterwards. After removing the needle, the shotblocker will be removed. | Other | Shotblocker group |
Primary outcome
Visual Analog Scale (VAS)
Time frame: 4 months
The VAS is a 100 mm straight horizontal line with numbers from 0 to 10 representing the patient's initial pain-free and finally the most severe pain they can feel. '0' means no pain, '10' means severe pain. Participants are asked to mark any number between "0" and "10".
1 secondary outcome
Visual Patient Satisfaction Scale
Time frame: 4 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Jul 2025.
- Results publication: PubMed 22588748Hawker GA, Mian S, Kendzerska T, French M. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP). Arthritis Care Res (Hoboken). 2011 Nov;63 Suppl 11:S240-52. doi: 10.1002/acr.20543. No abstract available.
- Results publication: PubMed 33590594Dincer B, Yildirim D. The effect of vibration stimulation on intramuscular injection pain and patient satisfaction: Single-blind, randomised controlled study. J Clin Nurs. 2021 Jun;30(11-12):1615-1622. doi: 10.1111/jocn.15715. Epub 2021 Mar 1.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Local mechanical vibration and Shotblocker group in people with Pain, run by Hasan Kalyoncu University at 1 site in Turkey (Türkiye).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 24 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Visual Analog Scale (VAS) (time frame: 4 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05701904, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Jul 2025.