NCT07064993

Brief Summary

This study is a prospective, randomized, double-blind, placebo-controlled clinical trial designed to evaluate the postoperative analgesic effects of intraarticular tramadol and tramadol combined with dexamethasone in patients undergoing knee arthroscopy. Patients scheduled for elective knee arthroscopy under general anesthesia will be randomly assigned into three groups in a 1:1:1 ratio: placebo (saline), tramadol, and tramadol plus dexamethasone. At the end of surgery, after aspiration of the irrigation fluid, the study solution will be administered intraarticularly in a standardized volume. The primary outcome of the study is postoperative pain intensity assessed by the Visual Analog Scale (VAS). Secondary outcomes include time to first analgesic requirement, total analgesic consumption within 24 hours, and the incidence of adverse effects such as nausea, vomiting, itching, and shivering. This study aims to determine whether intraarticular tramadol provides effective postoperative analgesia and whether the addition of dexamethasone enhances this analgesic effect.

Trial Health

63
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Trial Health Score

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

Enrollment
135

participants targeted

Target at P50-P75 for phase_4

Timeline
11mo left

Started May 2026

Shorter than P25 for phase_4

Geographic Reach
1 country

1 active site

Status
not yet recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 10, 2025

Completed
5 months until next milestone

First Posted

Study publicly available on registry

July 15, 2025

Completed
11 months until next milestone

Study Start

First participant enrolled

May 29, 2026

Expected
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 26, 2027

2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2027

Last Updated

April 15, 2026

Status Verified

April 1, 2026

Enrollment Period

9 months

First QC Date

February 10, 2025

Last Update Submit

April 10, 2026

Conditions

Keywords

Knee ArthroscopyPostoperative PainIntraarticular InjectionTramadolDexamethasoneAnalgesiaRandomized Controlled Trial

Outcome Measures

Primary Outcomes (1)

  • Postoperative pain intensity (VAS score)

    Pain intensity will be assessed using a 0-10 Visual Analog Scale (VAS), where 0 indicates no pain and 10 indicates the worst imaginable pain. Measurements will be obtained at 0, 2, 6, 12, and 24 hours postoperatively.

    0, 2, 6, 12, and 24 hours postoperatively

Secondary Outcomes (7)

  • Time to first analgesic requirement

    Within 24 hours postoperatively

  • Total analgesic consumption

    24 hours postoperatively

  • Nausea incidence

    24 hours postoperatively

  • Number of vomiting episodes

    24 hours postoperatively

  • Itching incidence

    24 hours postoperatively

  • +2 more secondary outcomes

Study Arms (3)

Placebo Group

PLACEBO COMPARATOR

Patients will receive 20 mL of normal saline administered intraarticularly at the end of surgery.

Drug: Saline

Tramadol Group

EXPERIMENTAL

Patients will receive 100 mg tramadol diluted with saline to a total volume of 20 mL, administered intraarticularly at the end of surgery.

Drug: Tramadol

Tramadol + Dexamethasone Group

EXPERIMENTAL

Patients will receive 100 mg tramadol combined with 8 mg dexamethasone diluted with saline to a total volume of 20 mL, administered intraarticularly at the end of surgery.

Drug: Tramadol + Dexamethasone

Interventions

SalineDRUG

20 mL of normal saline administered intraarticularly at the end of surgery.

Placebo Group

Tramadol 100 mg diluted with saline to a total volume of 20 mL, administered intraarticularly at the end of surgery.

Tramadol Group

Tramadol 100 mg combined with dexamethasone 8 mg diluted with saline to a total volume of 20 mL, administered intraarticularly at the end of surgery.

Tramadol + Dexamethasone Group

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients aged 18-65 years ASA physical status I-II Scheduled for elective knee arthroscopy under general anesthesia Only minor arthroscopic procedures such as partial meniscectomy and diagnostic arthroscopy will be included Ability to provide informed consent

You may not qualify if:

  • Allergy or contraindication to tramadol or dexamethasone Chronic opioid use or chronic pain conditions History of psychiatric or neurological disorders that may affect pain perception Severe hepatic or renal impairment Pregnancy or breastfeeding Infection at the injection site Bleeding diathesis Refusal to participate Major reconstructive knee surgeries (e.g., anterior cruciate ligament reconstruction)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Van Yuzuncu Yil University School of Medicine Department of Anesthesiology and Reanimation

Van, 65100, Turkey (Türkiye)

Location

MeSH Terms

Conditions

Pain, PostoperativeAgnosia

Interventions

Sodium ChlorideTramadolDexamethasone

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsPainNeurologic ManifestationsSigns and SymptomsPerceptual DisordersNeurobehavioral ManifestationsNervous System Diseases

Intervention Hierarchy (Ancestors)

ChloridesHydrochloric AcidChlorine CompoundsInorganic ChemicalsSodium CompoundsCyclohexanolsHexanolsFatty AlcoholsAlcoholsOrganic ChemicalsDimethylaminesMethylaminesAminesLipidsPregnadienetriolsPregnadienesPregnanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSteroids, Fluorinated

Study Officials

  • Şükran Sevimli, PhD

    Van Yuzuncu Yil University Ethics

    STUDY CHAIR

Central Study Contacts

Doğukan Çatulay, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
All study solutions will be prepared by an independent investigator and administered in identical syringes. Patients, surgeons, anesthesiologists, and outcome assessors will be blinded to group allocation.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Prospective, randomized, double-blind, placebo-controlled, parallel-group clinical trial.
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate Professor of Anesthesiology

Study Record Dates

First Submitted

February 10, 2025

First Posted

July 15, 2025

Study Start (Estimated)

May 29, 2026

Primary Completion (Estimated)

February 26, 2027

Study Completion (Estimated)

April 30, 2027

Last Updated

April 15, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share

Individual participant data will not be shared.

Locations