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Chronic CholecystitisNCT02553551

Effect of Vitamin C on Postoperative Pain After Laparoscopic Cholecystectomy

A study testing Vitamin C in people with Chronic Cholecystitis and Cholelithiasis, run by Taeho Hong at 1 site in South Korea.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The aim of this study is to evaluate the effect of Vitamine C supplements to be helpful to reduce the postoperative pain after laparoscopic cholecystectomy through the double-blinded randomized controlled trial. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Chronic Cholecystitis, Cholelithiasis
What is being tested?
Vitamin C
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
320 participants
Where
1 siteSouth Korea
Study dates
Jul 2015to Sep 2017
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • chronic cholecystitis
  • gallbladder polyp

Who cannot join

  • grade I Tokyo guideline for acute cholecystitis
  • grade II Tokyo guideline for acute cholecystitis without the evidence of gallbladder perforation
  • gallbladder cancer
  • the patient who underwent reduced port surgery
  • the patient who underwent common bile duct exploration during the operation
  • the patient who underwent concurrent operation
Show all 12Show fewer
  • the patient who had past history of upper abdominal surgery
  • the patient who had a immunodeficiency state
  • the case which had a suspicion of delayed bile leakage
  • the case which had a incomplete cystic duct ligation
  • the patient who underwent open conversion surgery during the operation
  • the patient who had a high risk of bleeding

Trial locations and contacts

1 site in 1 country.

South Korea1 site, 1 recruiting
  • Department of HBP Surgery, Seoul St. Mary's hospital

    Seoul, Seocho-gu, Banopo-dong, 137-701

    Taeho Hong, +82-2-2258-6108, gshth@catholic.ac.kr

    Recruiting

Other trials in South Korea

About this study

Official title: Effect of Vitamin C on Postoperative Pain After Laparoscopic Cholecystectomy; a A Prospective Randomized Controlled Trial

The aim of this study is to evaluate the effect of Vitamine C supplements to be helpful to reduce the postoperative pain after laparoscopic cholecystectomy through the double-blinded randomized controlled trial.

Read the detailed description

The aim of this study is to evaluate the effect of Vitamine C supplements to be helpful to reduce the postoperative pain after laparoscopic cholecystectomy through the double-blinded randomized controlled trial.

The primary purpose of this study is to confirm the reduce of postoperative pain through the oral supplement of Vitamine C before and after the surgery. For this purpose, we compared the dosage or counts of opioids usage with the oral supplement of Vitamine C or not.

The secondary purpose is to assess the pain score, postoperative morbidities, postoperative length of stay or postoperative time between two groups.

Being tested
Vitamin C, Placebo
Medical subject headings
Cholelithiasis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Vitamin CDrug

    Also called Vitamin

    During the period of hospitalization, Intake of vitamin C 3000 mg per day via oral route until the day of discharge.

    After discharge, no additional vitamin C pill was given.

  • PlaceboDrug

    Also called placebo capsule

    During the period of hospitalization, Intake of gelatinous capsule three times per day via oral route until the day of discharge.

    After discharge, no additional capsule was given.

Study groups in NCT02553551
Study groupRoleWhat they receive
Vitamin CExperimentalDuring the period of hospitalization, Intake of vitamin C 3000 mg per day via oral route until the day of discharge. After discharge, no additional vitamin C pill was given.
Receives: Drug: Vitamin C
PlaceboPlacebo comparatorDuring the period of hospitalization, Intake of gelatinous capsule three times per day via oral route until the day of discharge. After discharge, no additional capsule was given.
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The postoperative pain

    Postoperative pain was estimated using the visual analog scale (VAS) from 0 (no pain) to 10 (worst pain imaginable) at 6, 24, and 48 hours after the operation.

    Measured: The change of pain score between 6hours after operation and 24hours after operation

Secondary outcomes (1)
  1. Postoperative morbidity

    the incidence of complications after surgery during one month after surgery such as postoperative fever, atelectasis, infectious complications, bile leak, postoperative bleeding, readmission or mortality.

    Measured: 30 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Sep 2015 (estimated)
  2. Study startJul 2015
  3. Primary completionSep 2017 (estimated)
  4. Study completionSep 2017 (estimated)

Resources

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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
320 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02553551
Sponsor's protocol ID
Seoul-06
Status last verified
Oct 2016
First submitted
13 Sep 2015
Last updated
18 Oct 2016
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Vitamin C in people with Chronic Cholecystitis and Cholelithiasis, run by Taeho Hong at 1 site in South Korea.

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 2 inclusion and 12 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: status not confirmed, as of the sponsor's last update on 18 Oct 2016. 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 South Korea. 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. Some participants in this study may receive a placebo. 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?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Taeho Hong (821052065266, gshth@catholic.ac.kr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The postoperative pain (time frame: The change of pain score between 6hours after operation and 24hours after operation). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 18 Oct 2016; AzTrials last refreshed its copy on 8 Nov 2026.

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