UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000045350
Receipt number R000050913
Scientific Title Evaluation of anesthetized dermatomal range obtained by Modified-thoracoabdominal nerves block through perichondrial approach (M-TAPA) in the mid-axillary line.
Date of disclosure of the study information 2021/10/01
Last modified on 2023/03/10 08:42:18

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Basic information

Public title

Evaluation of anesthetized dermatomal range obtained by Modified-thoracoabdominal nerves block through perichondrial approach (M-TAPA) in the mid-axillary line.

Acronym

Evaluation of anesthetized dermatomal range obtained by Modified-thoracoabdominal nerves block through perichondrial approach (M-TAPA) in the mid-axillary line.

Scientific Title

Evaluation of anesthetized dermatomal range obtained by Modified-thoracoabdominal nerves block through perichondrial approach (M-TAPA) in the mid-axillary line.

Scientific Title:Acronym

Evaluation of anesthetized dermatomal range obtained by Modified-thoracoabdominal nerves block through perichondrial approach (M-TAPA) in the mid-axillary line.

Region

Japan


Condition

Condition

Gynecologic laparoscopic cases which were received M-TAPA puncturing at mid-axillary line in conjunction with general anesthesia.

Classification by specialty

Anesthesiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

In 2019, Tulgar et al. introduced novel approach for blocking anterior rami of the spinal nerves: Modified thoracoabdominal nervers block through perichondrial approach (M-TAPA). We have previously investigated the sensory area of M-TAPA, and revealed inconsistent effect in the lateral cutaneous nerves.
Considering the anatomy, we hypothesized that M-TAPA puncturing at the mid-axillary line, more lateral than the original technique, could provide steady sensory loss in the lateral area.
The purpose of this study is to investigate the sensory area obtained by M-TAPA puncturing at mid-axillary line, and to compare the result with original M-TAPA we previously demonstrated.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Anesthetized thoracoabdominal areas at 2 hours after surgery (The area innervated by anterior branch and lateral cutaneous branch are evaluated separately)

Key secondary outcomes

Pain scores (NRS) induced by coughping at 2 hours after surgery.
Additional analgesic requirements within 24 hours after surgery.
Adverse events associated with Modified-TAPA.


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

20 years-old <=

Age-upper limit

70 years-old >=

Gender

Female

Key inclusion criteria

Gynecologic laparoscopic surgery patients undergoing mid-axillary M-TAPA in conjunction with general anesthesia in Hokkaido university hospital.

Key exclusion criteria

1. ASA-PS >=3
2. Pregnancy
3. Allergy to local anesthetics
4. Communication difficulty
5. Existing neuropathy
6. Body weight <=45 kg
7. BMI >35
8. Past history of thoracotomy or laparotomy
9. Insufficient recovery of consciousness at 2 hours after surgery
10. Unexpected prolongation of surgical time of >6 hours
11. Other patients who are judged inappropriate by the investigator

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Katsuhiro
Middle name
Last name Aikawa

Organization

Hokkaido university hospital

Division name

Anesthesiology

Zip code

060-8638

Address

North 15, West 7, Kita-ku, Sapporo

TEL

+81-11-706-7861

Email

katsuhiro.aikawa@med.hokudai.ac.jp


Public contact

Name of contact person

1st name Katsuhiro
Middle name
Last name Aikawa

Organization

Hokkaido university hospital

Division name

Anesthesiology

Zip code

060-8638

Address

North 15, West 7, Kita-ku, Sapporo

TEL

+81-11-706-7861

Homepage URL


Email

katsuhiro.aikawa@med.hokudai.ac.jp


Sponsor or person

Institute

Hokkaido university hospital, department of anesthesiology

Institute

Department

Personal name



Funding Source

Organization

Hokkaido university hospital, department of anesthesiology

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

Hokkaido university hospital clinical research and medical innovation center

Address

North 14, West 5, Kita-ku, Sapporo

Tel

+81-11-706-7061

Email

crjimu@huhp.hokuda.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

北海道大学病院(北海道)/ Hokkaido university hospital (Hokkaido)


Other administrative information

Date of disclosure of the study information

2021 Year 10 Month 01 Day


Related information

URL releasing protocol


Publication of results

Partially published


Result

URL related to results and publications


Number of participants that the trial has enrolled

30

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

No longer recruiting

Date of protocol fixation

2021 Year 08 Month 20 Day

Date of IRB

2020 Year 08 Month 20 Day

Anticipated trial start date

2021 Year 10 Month 01 Day

Last follow-up date

2022 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This study is a prospective observational study to reveal the obtained sensory area of mid-axillary M-TAPA.
The result of this study will be compared with the historical data, which we have previously reported (doi: 10.1136/rapm-2021-102870).
Providing broader sensory loss of two dermatomal ranges in lateral area was regarded as clinically relevant for sample size calculation. Based on our data of M-TAPA, a sample size of 56 blocks (28 subjects) were required to a power of 0.8 and two-sided alpha of 0.05. Thus, we set the sample size as 60 blocks (30 subjects).


Management information

Registered date

2021 Year 09 Month 02 Day

Last modified on

2023 Year 03 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050913