Centre For Clinical Research And Biostatistics (CCRB)

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1 Unique Trial Number (assigned by CCRB)

CUHK_CCT00082

2 Trial Registration Date

2005-09-22

iRegistration Status

Retrospective

3 Secondary IDs

4 Source(s) of Funding

Departmental Funding

5 Primary Sponsor

Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong

6 Secondary Sponsor

n/a

Function

Please specify

7Responsible Contact Person (public contact person for patients interested in participating)

i Name

Prof W. Ngan Kee

ii Address

iii Phone

iv Email

email warwick@suhk.edu.hk

v Affiliation

vi Country

8Research Contact Person (person to contact for scientific inquiries)

i Name

Prof W. Ngan Kee

ii Address

iii Phone

iv Email

email warwick@suhk.edu.hk

v Affiliation

vi Country

9 Official Scientific Title of the Study

Evaluation of vasopressor combinations for maintenance of maternal blood pressure during spinal anaesthesia for Caesarean section

10 Public Title

i Public Title in Chinese 研究名稱

11 Short Title (Optional)

12 Countries of Recruitment

13Research Ethic Review

i Has the study received appropriate ethics approval?

Yes

ii When is the approval date?

2004-07-06

iii Full Name of IRB/IEC

Please specify

iv IRB/IEC approval reference number

14 Medical Condition Being Studied

Conditions of the Urinary Tract and Sexual Organs, and Pregnancy

15Intervention

i Types of intervention

Drug

Please specify

ii Description/ name of Intervention/article

Combinations in different ratios of ephedrine and phenylephrine

iii Dosage form of the intervention

iv Dosage of the intervention

v Duration of the intervention

approx 30 min

vi Frequency of the intervention

16Comparative Treatments

i Description/ name of comparative treatments

vasopressors ephedrine and phenylephrine

ii Dosage form of the comparative treatments

iii Dosage of the comparative treatments

iv Duration of the comparative treatments

v Frequency of the comparative treatments

17Key Inclusion and Exclusion Criteria

i Inclusion Criteria

Inclusion: elective Caesarean section under spinal anaesthesia.

ii Exclusion Criteria

Exclusion: fetal abnormality, hypertension, preeclampsia

iii Age Minimum

iv Age Maximum

v Gender

18 Study Type

19Study Design

i Randomization

Randomized

Please specify

ii Nature of control

Active

iii Degree of masking

Double-blind

If Single-blind, who will be masked?

iv Group Assignment

Parallel

v Study Phase

Please specify

vi Study Objectives (Optional)

20 Anticipated trial start date

2004-08-01

21 Target Sample Size

125

22 Recruitment Status

Complete

23 Primary Outcome

Umbilical artery pH

24 Secondary Outcome

Maternal hemodynamics

25Study Information/Publication

i Study Information/Publication Available?

No

ii Link to Study Information/Publication

26Last Update Date

2013-01-10

27 Primary Registry and Trial Identifying Number

28 Date of Registration in Primary Registry

* Legacy Fields

i Recruitment Information Available?

Yes

ii Link to Recruitment Information

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Trial History Detail on 2009-11-19