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Trial registered on ANZCTR

Registration number
Ethics application status
Date submitted
Date registered
Date last updated
Type of registration
Retrospectively registered

Titles & IDs
Public title
A phase I single ascending dose (SAD) study to investigate the safety, tolerability and pharmacokinetics of oral Capromorelin in spinal cord injury (SCI) and able-bodied volunteers
Scientific title
A single centre, open label, phase I, single ascending dose (SAD) study to investigate the safety, tolerability and pharmacokinetics of oral Capromorelin in spinal cord injury (SCI) and able-bodied volunteers
Secondary ID [1] 285024 0
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Alleviating the effects of autonomic dysfunction following spinal cord injury. 292536 0
Condition category
Condition code
Neurological 292843 292843 0 0
Other neurological disorders
Injuries and Accidents 292962 292962 0 0
Other injuries and accidents

Study type
Description of intervention(s) / exposure
Single ascending dose study of safety, tolerability and pharmacokinetics of Capromorelin.
Three single ascending oral doses (20, 50 and 100 mg) at least one week apart administered to each of two groups (spinal cord injured and able-bodied).
Participants only progressed to a higher dose after successfully tolerating the prior dose at the lower level.
Intervention code [1] 289858 0
Treatment: Drugs
Comparator / control treatment
Spinal cord injured versus able-bodied group
Control group

Primary outcome [1] 292710 0
Assessed by assessment of vital signs, ECG and blood and urine laboratory testing.
Timepoint [1] 292710 0
Immediately following each dose for up to 24 hours, then at 1 week and 3 weeks after final dose.
Primary outcome [2] 292711 0
Assessed by incidence of adverse events.
No known adverse events. Monitoring of vital signs, physical examination and laboratory test assessment.
Timepoint [2] 292711 0
Immediately following each doseup to 24 hours, then at 1 week and 3 weeks after final dose.
Secondary outcome [1] 309536 0
Pharmacokinetic behaviour.
Assessed by monitoring of plasma levels of the parent drug analysed by a validated liquid chromatography tandem mass spectrometry assay.
Timepoint [1] 309536 0
At each dose level one week apart using a full pharmacokinetic blood sampling profile base on reported plasma half-life of the drug. Sampling from an indwelling catheter in the cubital vein at -30 mins (pre-dose) and at +20 mins, +30 mins, +40m mins, +1 hr, +1.5 hr, +2 hr, +2.5 hr, +3 hr, +3.5 hr, +4 hr, +5 hr, +6 hr, +7 hr, +8 hr and +12 hr post dose.

Key inclusion criteria
With/without spinal cord injury between T6 and T12
Minimum age
18 Years
Maximum age
45 Years
Both males and females
Can healthy volunteers participate?
Key exclusion criteria
Females of child-bearing potential or who were pregnant or breastfeeding.
Candidates that were unhealthy (as defined by significant deviation from normal medical history or aberrant results from physical examination/ECG/clinical laboratory determinations), or had a history of toxicities or allergy related to previous treatments.
Candidates receiving medications known inhibit /induce CYP3A4.
The non-spinal cord injured group comprised able-bodied volunteers.

Study design
Purpose of the study
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?

Intervention assignment
Single group
Other design features
Single ascending dose (20mg, 50mg then 100mg dose). Performed in spinal cord injured and able-bodied participants.
Phase 1
Type of endpoint(s)
Statistical methods / analysis
No power calculations were conducted. A target of n=10 per group was chosen as a reasonable number to start a preliminary study. Rationale being that it was expected to be achievable with the limited nature of the SCI population from which to draw participants and it was sufficient to provide simple comparative statistics. The number of participants per group was deliberately limited with consideration also given to the impact of the intensive blood sampling required for pharmacokinetic analyses.
Non-compartmental pharmacokinetic analyses were performed.
As were parametric statistical analyses for group comparison by analysis of variance.

Recruitment status
Date of first participant enrolment
Date of last participant enrolment
Date of last data collection
Sample size
Accrual to date
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 2756 0
Austin Health - Austin Hospital - Heidelberg
Recruitment postcode(s) [1] 8458 0
3084 - Heidelberg

Funding & Sponsors
Funding source category [1] 289635 0
Government body
Name [1] 289635 0
Victorian Government Transport Accident Commission
Address [1] 289635 0
60 Brougham St Geelong Vic 3220
Country [1] 289635 0
Primary sponsor type
University of Melbourne
Level 2 East Medical Building
Grattan St, Parkville VIC 3052


Level 5 Lance Townsend Building, Austin Health
145 Studley Rd Heidelberg VIC 3084
Secondary sponsor category [1] 288324 0
Name [1] 288324 0
Austin Health
Address [1] 288324 0
145 Studley Rd Heidelberg
Vic 3084
Country [1] 288324 0
Other collaborator category [1] 278058 0
Name [1] 278058 0
Spinal Research Institute
Address [1] 278058 0
Royal Talbot Rehabilitation Centre
1 Yarra Boulevard
Kew Vic 3101
Country [1] 278058 0

Ethics approval
Ethics application status
Ethics committee name [1] 291376 0
Austin Health Human Research Ethics Committee
Ethics committee address [1] 291376 0
Austin Health
145 Studley Rd
Vic 3084
Ethics committee country [1] 291376 0
Date submitted for ethics approval [1] 291376 0
Approval date [1] 291376 0
Ethics approval number [1] 291376 0

Brief summary
Capromorelin (CP424391) is a ghrelin receptor agonist which shows evidence of promoting defecation and may be of use in spinal cord injury (SCI) patients to promote bowel movements. The purpose of the study was to evaluate the safety profile, tolerability, pharmacokinetics and pharmacodynamics following single oral doses of 20, 50 and 100 mg of Capromorelin in SCI and in able-bodied participants.
Trial website
Trial related presentations / publications
Aspects of this trial have been be presented as a poster/abstract at: Spinal Cord Injury Symposium, Medical Research Week Austin Health and ANZSCos scientific meetings in 2014.
Aspects of this trial have been submitted (on 24 July 2014) for publication in 'Spinal Cord' (Nature Publishing Group).
Published citations not currently available.
Public notes
This trial is now complete. The drug was found to be safe and well tolerated in both able-bodied and spinal cord injured participants. Additional trials on this and second generation compounds are now planned.

Principal investigator
Name 50102 0
Prof Albert Frauman
Address 50102 0
Clinical Pharmacology and Therapeutics
University of Melbourne Department of Medicine
Austin Health
145 Studley Rd Heidelberg Vic 3084
Country 50102 0
Phone 50102 0
+613 94965486
Fax 50102 0
+613 94593510
Email 50102 0
Contact person for public queries
Name 50103 0
Ms Melinda Millard
Address 50103 0
Spinal Research Coordinator
Austin Health
145 Studley Rd Heidelberg Vic 3084
Country 50103 0
Phone 50103 0
+613 94965906
Fax 50103 0
+613 94963626
Email 50103 0
Contact person for scientific queries
Name 50104 0
Prof Albert Frauman
Address 50104 0
Clinical Pharmacology and Therapeutics
University of Melbourne Department of Medicine
Austin Health
145 Studley Rd Heidelberg Vic 3084
Country 50104 0
Phone 50104 0
+613 94965486
Fax 50104 0
+613 94593510
Email 50104 0

No data has been provided for results reporting
Summary results
Have study results been published in a peer-reviewed journal?
Other publications
Have study results been made publicly available in another format?
Results – basic reporting
Results – plain English summary