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Name:
UMIN ID:

Recruitment status Completed
Unique ID issued by UMIN UMIN000021932
Receipt No. R000025294
Scientific Title Clinical trial registry use in anesthesiology systematic reviews: A systematic review
Date of disclosure of the study information 2016/04/16
Last modified on 2016/04/16

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Basic information
Public title Clinical trial registry use in anesthesiology systematic reviews: A systematic review
Acronym Registry use in systematic reviews
Scientific Title Clinical trial registry use in anesthesiology systematic reviews: A systematic review
Scientific Title:Acronym Registry use in systematic reviews
Region
North America

Condition
Condition Publication Bias
Classification by specialty
Anesthesiology
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 To examine the frequency of clinical trial registry use in systematic review searches from 5 anesthesiology journals based on 2014 Google Scholar metrics: anesthesiology subcategory from 2007-2015.
Basic objectives2 Others
Basic objectives -Others To examine whether unpublished studies were located from these searches and/or included in the systematic review summaries or pooled effect estimates.
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes 1. Frequency of clinical trials registry searches reported in anesthesiology systematic reviews from 5 journals between 2007-2015.
Key secondary outcomes 2. Frequency of systematic reviewers who located unpublished trials for possible inclusion in the review.

3. Frequency of systematic reviews that included unpublished trials in systematic review summaries or pooled effect estimates.

Base
Study type Others,meta-analysis etc

Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
Interventions/Control_2
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

Not applicable
Age-upper limit

Not applicable
Gender Male and Female
Key inclusion criteria Study must be a systematic review and/or meta-analysis published in the journals: Anesthesiology, Anesthesia & Analgesia, British Journal of Anaesthesia, Anaesthesia, or Regional Anesthesia & Pain Medicine between January 1, 2007-December 31, 2015.
Key exclusion criteria All other study designs were excluded including clinical trials and observational studies.

Systematic reviews or meta-analyses published outside of the time frame and in journals not listed were not included.
Target sample size 200

Research contact person
Last name of lead principal investigator
1st name
Middle name
Last name Blake Alan Umberham
Organization Oklahoma State University Center for Health Sciences
Division name College of Osteopathic Medicine
Zip code
Address 1111 W. 17th St.
TEL 918-582-1972
Email blake.umberham@okstate.edu

Public contact
1st name of contact person
1st name
Middle name
Last name Blake Alan Umberham
Organization Oklahoma State University Center for Health Sciences
Division name College of Osteopathic Medicine
Zip code
Address 1111 W. 17th St.
TEL 918-582-1972
Homepage URL http://www.healthsciences.okstate.edu
Email blake.umberham@okstate.edu

Sponsor
Institute Oklahoma State University Center for Health Sciences
Institute
Department

Funding Source
Organization n/a
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
Address
Tel
Email

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
2016 Year 04 Month 16 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
2015 Year 05 Month 01 Day
Date of IRB
Anticipated trial start date
2015 Year 06 Month 01 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
2015 Year 12 Month 01 Day
Date analysis concluded
2016 Year 03 Month 01 Day

Other
Other related information systematic review

Management information
Registered date
2016 Year 04 Month 16 Day
Last modified on
2016 Year 04 Month 16 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000025294

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


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