UMIN-CTR Clinical Trial

Basic information
Official scientific title of the study	The opportune time for periarticular injection during total hip arthroplasty under general anesthesia: a randomized controlled trial
Title of the study (Brief title)	The opportune time for periarticular injection during total hip arthroplasty under general anesthesia: a randomized controlled trial
Region	Japan

Condition
Condition	Osteoarthritis of the hip, rheumatoid arthritis, avascular necrosis of the femoral head, Femoral neck fracture
Classification by specialty	Orthopedics
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	The aim of this study is to compare the efficacy of periarticular injection between inject after the implantation of prosthesis and inject just prior to the arthrotomy in total hip arthroplasty under general anesthesia
Basic objectives2	Safety
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes	Pain score (Visual analogue scale) at recovery room
Key secondary outcomes	Pain score (Visual analogue scale) 3, 6, 9, 12, 24 and 48 hours after surgery Blood loss Complications The consumption of remifentanil The use of naloxone

Base
Study type	Interventional

Study design
Basic design	Parallel
Randomization	Randomized
Randomization unit	Individual
Blinding	Double blind -all involved are blinded
Control	Active
Stratification	NO
Dynamic allocation	NO
Institution consideration
Blocking	NO
Concealment

Intervention
No. of arms	2
Purpose of intervention	Treatment
Type of intervention	Medicine
Interventions/Control_1	Periarticular injection prior to the arthrotomy and nomal saline injection after the implantation of prosthesis.
Interventions/Control_2	Nomal saline injection prior to the arthrotomy and periarticular injection injection after the implantation of prosthesis.
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	Patients scheduled for unilateral total hip arthroplasty
Key exclusion criteria	Patients scheduled for simultaneous bilateral total hip arthroplasty. Patients scheduled for revision total hip arthroplasty. Patients scheduled for total hip arthroplasty with shortening subtrochanteric osteotomy. Patients who had allergy or intolerance to one of the study drugs, regular narcotic use, renal insufficiency and prolonged QT interval on ECG.
Target sample size	50

Research contact person
Name of lead principal investigator	Kenji Kurosaka
Organization	Hokusuikai Kinen Hospital
Division name	Orthopaedic surgery
Address	3-2-1 Higashihara, Mito, Ibaraki, 310-0035 Japan
TEL	029-303-3003
Email	kenjikurosaka@yahoo.co.jp

Public contact
Name of contact person	Kenji Kurosaka
Organization	Hokusuikai Kinen Hospital
Division name	Orthopaedic surgery
Address	3-2-1 Higashihara, Mito, Ibaraki, 310-0035 Japan
TEL	029-303-3003
Homepage URL
Email	kenjikurosaka@yahoo.co.jp

Sponsor
Institute	Hokusuikai Kinen Hospital
Institute
Department

Funding Source
Organization	Hokusuikai Kinen Hospital
Organization
Division
Category of Funding Organization	Self funding
Nationality of Funding Organization

Other related organizations
Co-sponsor
Name of secondary funｄer(s)

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

Other administrative information
Date of disclosure of the study information	2017 Year 10 Month 17 Day

Progress
Recruitment status	Completed
Date of protocol fixation	2017 Year 09 Month 21 Day
Anticipated trial start date	2017 Year 10 Month 17 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Related information
URL releasing protocol
Publication of results	Unpublished
URL releasing results
Results
Other related information

Management information
Registered date	2017 Year 10 Month 17 Day
Last modified on	2018 Year 06 Month 19 Day

Link to view the page
URL(English)	https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000033779