UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048174
Receipt number R000054898
Scientific Title The efficacy and safety of green tea consumption after colon surgery: A randomized controlled trial
Date of disclosure of the study information 2022/06/27
Last modified on 2024/12/28 19:54:56

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Basic information

Public title

The efficacy and safety of green tea consumption after colon surgery: A randomized controlled trial

Acronym

The efficacy and safety of green tea consumption after colon surgery: A randomized controlled trial

Scientific Title

The efficacy and safety of green tea consumption after colon surgery: A randomized controlled trial

Scientific Title:Acronym

Postoperative green tea trial

Region

Japan


Condition

Condition

Colon cancer

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To assess the efficacy and safety of green tea on postoperative short outcomes after colon cancer

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Time to first defecation (hours)
Definition: time from the end of surgery to first defecation (hours)
Period: from surgery to the first defecation

Key secondary outcomes

1. Length of hospital stay (days)
Definition: Days from operation to discharge
Period: from operation to discharge
2. Postoperative ileus
Definition: the number of patients who had postoperative ileus described as a narrow-mindedness to oral nourishment without clinical or radiological indications of obstruction, that either 1) requires nasogastric tube insertion; or b) was related with two of the accompanying: nausea/vomiting, stomach distension, and the nonattendance of flatus hours on or after postoperative day two, divided by total patients in each group
Period: within postoperative 30 days
3. Postoperative complications
Definition: the number of patients with postoperative complications based on Clavien-Dindo classification of more than 2.
Period: within postoperative 30 days.
4. the amount of drinking (ml)
Definition: the mean amount of drinking per day (ml)
Period: from surgery to the first defecation
5. All adverse events


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification

NO

Dynamic allocation

YES

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Postoperative green tea 600ml per day
Period: from postoperative 1 day to the time to first defication

Interventions/Control_2

Postoperative water 600ml per day
Period: from postoperative 1 day to the time to first defication

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. Adults (male and female) aged more than 18 years olds
2. Participants with colon cancer

Key exclusion criteria

1. Participants who are unable to provide informed consent or comply with research protocols
2. Participants who are known to have problems with mental health or language ability
3. Participants who are participating in other interventional trials
4. Emergency surgery
5. Multiple organ resection at the time of surgery
6. Extension or closure of an enterostomy at the time of surgery
7. Participants undergoing colostomy or ileostomy
8. Complete obstruction
9. Hypersensitivity or allergy to caffeine or green tea
10. American Society of Anesthesiologists (ASA) IV or V physical status score
11. Alcoholism or drug abuse
12. Regular intake of more than 800 mg of caffeine (8-10 cups of coffee) per day
13. Previous extensive abdominal surgery (excluding appendicectomy, cholecystectomy, hernia repair, or cesarean section)
14. Grade III or higher heart failure (NYHA)
15. Opioid analgesics or steroids greater than 5 mg/day for at least 7 days prior to surgery
16. Long-term use of glucocorticoids or stimulant laxatives
17. Taking antidepressants
18. Severe obesity (BMI > 32) and severe malnutrition (BMI < 15)
19. Hypertensive emergencies (>180/120 mmHg)
20. Pregnancy, lactation, or possible childbirth
21. Liver failure and/or cirrhosis (MELD > 15)
22. Drugs that are substrates or inhibitors of CYP1A2 enzymes (e.g., new quinolone antibacterial agents)

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Jun
Middle name
Last name Watanabe

Organization

Tochigi Medical Center Shimotsuga

Division name

Surgery

Zip code

329-4498

Address

420-1 Kawatsure, Ouhiramachi, Tochigi-City, Tochigi, Japan

TEL

0282-22-2551

Email

m06105jw@jichi.ac.jp


Public contact

Name of contact person

1st name Jun
Middle name
Last name Watanabe

Organization

Tochigi Medical Center Shimotsuga

Division name

Surgery

Zip code

329-4498

Address

420-1 Kawatsure, Ouhiramachi, Tochigi-City, Tochigi, Japan

TEL

0282-22-2551

Homepage URL


Email

m06105jw@jichi.ac.jp


Sponsor or person

Institute

Tochigi Medical Center Shimotsuga

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

The Institutional Review Board of Tochigi Medical Center Shimotsuga

Address

420-1 Kawatsure, Ouhiramachi, Tochigi-City, Tochigi, Japan

Tel

0282-22-2551

Email

rinri@tochigi-medicalcenter.or.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

とちぎメディカルセンターしもつが(栃木県)


Other administrative information

Date of disclosure of the study information

2022 Year 06 Month 27 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

Completed

Date of protocol fixation

2022 Year 05 Month 10 Day

Date of IRB

2024 Year 06 Month 01 Day

Anticipated trial start date

2022 Year 06 Month 27 Day

Last follow-up date

2024 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

https://doi.org/10.7759/cureus.72157


Management information

Registered date

2022 Year 06 Month 27 Day

Last modified on

2024 Year 12 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054898