NCT04416386

Brief Summary

Comparing the pre and post-operative blood plasma levels of vitamin C according to oxidative stress and investigate the correlation between post-operative analgesia requirement and vitamin C levels following orthognathic surgery.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Jun 2020

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 2, 2020

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 4, 2020

Completed
9 days until next milestone

Study Start

First participant enrolled

June 13, 2020

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 30, 2022

Completed
Last Updated

July 26, 2022

Status Verified

July 1, 2022

Enrollment Period

1.8 years

First QC Date

June 2, 2020

Last Update Submit

July 25, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Blood plasma levels of vitamin C

    Pre and post-operative blood plasma levels of vitamin C

    Change from baseline blood plasma levels of vitamin C at postoperative 1, 2, 4, 8, 16 hours

Secondary Outcomes (1)

  • Opioid consumption

    Change from baseline opioid consumption levels at postoperative 1, 2, 4, 8, 16 hours

Interventions

Pre and post-operative blood plasma levels of vitamin C will be investigated

Eligibility Criteria

Age19 Years - 38 Years
Sexall
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Orthognathic surgery patients aged between 19-38 years (mean age 27.17) with ASA I and ASA II status will be included in this randomized prospective study.

You may qualify if:

  • American Society of Anesthesiologists (ASA) classification I-II
  • Scheduled for orthognatic surgery under general anesthesia

You may not qualify if:

  • history of bleeding diathesis,
  • receiving anticoagulant treatment,
  • known local anesthetics and opioid allergy,
  • infection of the skin at the site of the needle puncture,
  • pregnancy or lactation,
  • patients who do not accept the procedure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Istanbul Medipol University Hospital

Istanbul, Bagcilar, 34070, Turkey (Türkiye)

Location

Related Publications (3)

  • Fukushima R, Yamazaki E. Vitamin C requirement in surgical patients. Curr Opin Clin Nutr Metab Care. 2010 Nov;13(6):669-76. doi: 10.1097/MCO.0b013e32833e05bc.

    PMID: 20689415BACKGROUND
  • Jeon Y, Park JS, Moon S, Yeo J. Effect of Intravenous High Dose Vitamin C on Postoperative Pain and Morphine Use after Laparoscopic Colectomy: A Randomized Controlled Trial. Pain Res Manag. 2016;2016:9147279. doi: 10.1155/2016/9147279. Epub 2016 Oct 30.

    PMID: 27872555BACKGROUND
  • Pirbudak L, Balat O, Cekmen M, Ugur MG, Aygun S, Oner U. Effect of ascorbic acid on surgical stress response in gynecologic surgery. Int J Clin Pract. 2004 Oct;58(10):928-31. doi: 10.1111/j.1742-1241.2004.00022.x.

    PMID: 15587771BACKGROUND

MeSH Terms

Conditions

Maxillofacial AbnormalitiesMaxillofacial Injuries

Interventions

Ascorbic Acid

Condition Hierarchy (Ancestors)

Craniofacial AbnormalitiesMusculoskeletal AbnormalitiesMusculoskeletal DiseasesStomatognathic System AbnormalitiesStomatognathic DiseasesCongenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesFacial InjuriesCraniocerebral TraumaTrauma, Nervous SystemNervous System DiseasesWounds and Injuries

Intervention Hierarchy (Ancestors)

Sugar AcidsAcids, AcyclicCarboxylic AcidsOrganic ChemicalsHydroxy AcidsCarbohydrates

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

June 2, 2020

First Posted

June 4, 2020

Study Start

June 13, 2020

Primary Completion

March 30, 2022

Study Completion

March 30, 2022

Last Updated

July 26, 2022

Record last verified: 2022-07

Data Sharing

IPD Sharing
Will not share

We will not plan to share IPD

Locations