UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058373
Receipt number R000066734
Scientific Title The effects of sedatives on nociceptive responses during dental surgery with sedation: A pilot study comparing dexmedetomidine and propofol on intra-operative and postoperative pain and short-term outcomes
Date of disclosure of the study information 2025/07/07
Last modified on 2025/07/05 11:57:00

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Basic information

Public title

A study comparing two sedatives to reduce pain during dental surgery

Acronym

Tooth Extraction and Sedative Effects Study

Scientific Title

The effects of sedatives on nociceptive responses during dental surgery with sedation: A pilot study comparing dexmedetomidine and propofol on intra-operative and postoperative pain and short-term outcomes

Scientific Title:Acronym

Dental Surgery Sedative Impact Study

Region

Japan


Condition

Condition

Individuals who undergo third molar extraction under sedation management at the Department of Dental Anesthesiology, Hokkaido University Hospital between the date of study approval and March 31, 2026, and who are hospitalized postoperatively.

Classification by specialty

Anesthesiology Dental medicine Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effects of continuous administration of dexmedetomidine or propofol on the suppression of nociceptive stimuli, including pain.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Temporal changes in the High Frequency Variability Index (HFVI) and comparison between dexmedetomidine and propofol

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

18 years-old <

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1 Individuals aged 18 years or older at the time of consent.
2 Individuals classified as ASA Physical Status 1 or 2.
3 Individuals with a BMI between 18.5 and 25.
4 Individuals scheduled to undergo third molar extraction under intravenous sedation, with an expected surgical duration of more than 30 minutes.
5 Individuals scheduled to receive 2% lidocaine with epinephrine as the local anesthetic during infiltration anesthesia.
6 Individuals scheduled to be managed under intravenous sedation using either dexmedetomidine or propofol.
7 Individuals scheduled to receive intravenous flurbiprofen axetil at the end of anesthesia as postoperative analgesia.
8 Individuals who have received a full explanation of the study, fully understood its content, and provided written informed consent of their own free will.

Key exclusion criteria

1 Individuals taking steroids or immunosuppressive agents at the time of the preoperative examination.
2 Individuals with a maximal mouth opening of three fingerbreadths or less.
3 Individuals deemed unsuitable for participation in the study by the principal investigator for any other reason.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Yukie
Middle name
Last name Nitta

Organization

Hokkaido University Hospital

Division name

Dental Anesthesiology

Zip code

060-8648

Address

Kita14, Nishi5, Kita-Ku, Sapporo Hokkaido

TEL

011-706-4336

Email

nitta@den.hokudai.ac.jp


Public contact

Name of contact person

1st name Yukie
Middle name
Last name Nitta

Organization

Hokkaido University Hospital

Division name

Dental Anesthesiology

Zip code

060-8648

Address

Kita14, Nishi5, Kita-Ku, Sapporo Hokkaido

TEL

011-706-4336

Homepage URL


Email

nitta@den.hokudai.ac.jp


Sponsor or person

Institute

Hokkaido University Hospital

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical Review Board for Life Science and Medical Research, Hokkaido University Hospital

Address

Kita14, Nishi5, Kita-Ku, Sapporo Hokkaido

Tel

011-706-7636

Email

crjimu@huhp.hokudai.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



Other administrative information

Date of disclosure of the study information

2025 Year 07 Month 07 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

Open public recruiting

Date of protocol fixation

2024 Year 08 Month 18 Day

Date of IRB

2024 Year 09 Month 25 Day

Anticipated trial start date

2024 Year 10 Month 08 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

The project is approximately 70% complete at this point.


Management information

Registered date

2025 Year 07 Month 05 Day

Last modified on

2025 Year 07 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066734