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    Clinical Trial Results:
    An Open Label, Longitudinal Study of the Effects of Subcutaneous Acute and Chronic Pasireotide (SOM230) Therapy on Adrenocorticotrophic Hormone and Tumour Volume in Patients with Nelson's Syndrome.

    Summary
    EudraCT number
    2009-014457-33
    Trial protocol
    GB  
    Global end of trial date
    21 May 2014

    Results information
    Results version number
    v1(current)
    This version publication date
    06 Jun 2019
    First version publication date
    06 Jun 2019
    Other versions
    Summary report(s)
    Study Report

    Trial information

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    Trial identification
    Sponsor protocol code
    STH 15164
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01617733
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Sheffield Teaching Hospitals NHS Foundation Trust
    Sponsor organisation address
    Royal HallamShire Hospital, Glossop Road, Sheffield, United Kingdom, S10 2JF
    Public contact
    Dr Sharon Caunt, Sheffield Teaching Hospitals NHS FT, sharon.caunt@sth.nhs.uk
    Scientific contact
    Prof John Newell-Price, Sheffield Teaching Hospitals NHS FT, j.newellprice@sheffield.ac.uk
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    23 Sep 2015
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    21 May 2014
    Global end of trial reached?
    Yes
    Global end of trial date
    21 May 2014
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    Does pasireotide lower on the level of level of the circulating hormone ACTH in patients with Nelson's Syndrome?
    Protection of trial subjects
    Investigators could reduce the dose of the IMP if the participant had toleribility issues.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    22 Nov 2010
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    United Kingdom: 8
    Worldwide total number of subjects
    8
    EEA total number of subjects
    8
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    8
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Participants were recruited from four UK tertiary endocrine centres. First Patient First Visit = 24-Nov-2010 Last Patient First Visit = 20-Nov-2013

    Pre-assignment
    Screening details
    Screening confirmed biochemistry consistent with Nelsons syndrome.

    Period 1
    Period 1 title
    First blinded test dose
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Single blind
    Roles blinded
    Subject
    Blinding implementation details
    Test doses were not blind to the investigator, only to subject for the purposes of adverse event monitoring

    Arms
    Arm title
    First blinded test dose
    Arm description
    First blinded test dose
    Arm type
    Placebo

    Investigational medicinal product name
    Saline solution (0.9% NaCl)
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for injection/infusion
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    subcutaneous injection, volume identical to active product

    Number of subjects in period 1
    First blinded test dose
    Started
    8
    Completed
    8
    Period 2
    Period 2 title
    Second Blinded Test Dose
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Single blind
    Roles blinded
    Subject
    Blinding implementation details
    Test doses were not blind to the investigator, only to subject for the purposes of adverse event monitoring

    Arms
    Arm title
    Active
    Arm description
    Pasireotide s.c. test dose
    Arm type
    Experimental

    Investigational medicinal product name
    Pasireotide subcutaneous
    Investigational medicinal product code
    Other name
    SOM230, Signifor
    Pharmaceutical forms
    Solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    600 microgram single dose s.c.

    Number of subjects in period 2
    Active
    Started
    8
    Completed
    8
    Period 3
    Period 3 title
    Subcutaneous
    Is this the baseline period?
    No
    Allocation method
    Not applicable
    Blinding used
    Not blinded
    Blinding implementation details
    N/A

    Arms
    Arm title
    Pasireotide s.c.
    Arm description
    Pasireotide s.c.
    Arm type
    Experimental

    Investigational medicinal product name
    Pasireotide subcutaneous
    Investigational medicinal product code
    Other name
    SOM230, Signifor
    Pharmaceutical forms
    Solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    4 weeks of 600 micrograms of pasireotide s.c twice daily, reduced to 300 micrograms in cases of tolerability issues.

    Number of subjects in period 3
    Pasireotide s.c.
    Started
    8
    Completed
    6
    Not completed
    2
         Adverse event, non-fatal
    2
    Period 4
    Period 4 title
    Long Acting Release
    Is this the baseline period?
    No
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Long Acting Release
    Arm description
    LAR pasireotide
    Arm type
    Experimental

    Investigational medicinal product name
    Pasireotide long acting release (LAR) and vehicle
    Investigational medicinal product code
    Other name
    SOM230
    Pharmaceutical forms
    Powder and solvent for solution for injection
    Routes of administration
    Intramuscular use
    Dosage and administration details
    Long-term pasireotide LAR 60mg (or 40mg if reduced for tolerability when on s.c dosing) every 28 days treatment (24 weeks).

    Number of subjects in period 4 [1]
    Long Acting Release
    Started
    5
    Completed
    4
    Not completed
    1
         Adverse event, non-fatal
    1
    Notes
    [1] - The number of subjects starting the period is not consistent with the number completing the preceding period. It is expected the number of subjects starting the subsequent period will be the same as the number completing the preceding period.
    Justification: 1 patient completed the subcut period but did not want to commence the long acting release period due to patient choice

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    First blinded test dose
    Reporting group description
    -

    Reporting group values
    First blinded test dose Total
    Number of subjects
    8 8
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    8 8
        From 65-84 years
    0 0
    Age continuous
    Units: years
        arithmetic mean (full range (min-max))
    52.5 (43 to 62) -
    Gender categorical
    Units: Subjects
        Female
    8 8
        Male
    0 0

    End points

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    End points reporting groups
    Reporting group title
    First blinded test dose
    Reporting group description
    First blinded test dose
    Reporting group title
    Active
    Reporting group description
    Pasireotide s.c. test dose
    Reporting group title
    Pasireotide s.c.
    Reporting group description
    Pasireotide s.c.
    Reporting group title
    Long Acting Release
    Reporting group description
    LAR pasireotide

    Primary: Plasma ACTH levels

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    End point title
    Plasma ACTH levels [1]
    End point description
    ACTH levels at 0h prior to the morning hydrocortisone dose at baseline compared to ACTH 0h pre-HC levels during s.c. phase and LAR phase.
    End point type
    Primary
    End point timeframe
    28 weeks
    Notes
    [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: Number of subjects was too small to warrant statistical analysis
    End point values
    Pasireotide s.c. Long Acting Release
    Number of subjects analysed
    7
    5
    Units: nanograms/litre
        arithmetic mean (standard deviation)
    888 ± 812.8
    829 ± 1171
    Attachments
    Mean plasma ACTH at 0 hours
    No statistical analyses for this end point

    Secondary: Acute response to test dose

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    End point title
    Acute response to test dose
    End point description
    Positive acute response defined as the mean relative decrease in plasma ACTH levels >25% No response defined as the mean relative decrease in plasma ACTH levels <25%
    End point type
    Secondary
    End point timeframe
    6 hours
    End point values
    Active
    Number of subjects analysed
    8
    Units: Percentage
        Positive acute response
    5
        No response
    1
        Partial response
    2
    No statistical analyses for this end point

    Secondary: Change in tumour volume

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    End point title
    Change in tumour volume
    End point description
    Change in adenoma tumour volume before and after pasireotide treatment (s.c. and LAR).
    End point type
    Secondary
    End point timeframe
    28 weeks
    End point values
    Long Acting Release
    Number of subjects analysed
    5
    Units: cm3
        arithmetic mean (standard deviation)
    1.3 ± 1
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    After baseline to 4 weeks post final treatment
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    20
    Reporting groups
    Reporting group title
    All subjects
    Reporting group description
    -

    Serious adverse events
    All subjects
    Total subjects affected by serious adverse events
         subjects affected / exposed
    2 / 8 (25.00%)
         number of deaths (all causes)
    0
         number of deaths resulting from adverse events
    0
    Renal and urinary disorders
    Raised creatinine
    Additional description: MEDRA 10062237
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Hyperglycaemia
    Additional description: MEDRA 10020635
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    All subjects
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    8 / 8 (100.00%)
    Vascular disorders
    Hot flush
    Additional description: MedDRA code: 10060800
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    5
    Hypotensive
    Additional description: MedDRA code: 10021107
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    General disorders and administration site conditions
    Chest pain
    Additional description: MedDRA code: 10008479
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Excessive thirst
    Additional description: MedDRA code: 10015608
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Fatigue
    Additional description: MedDRA code: 10016256
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Feeling hot
    Additional description: 10016334
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Flu-like symptoms
    Additional description: MedDRA code: 10016797
         subjects affected / exposed
    3 / 8 (37.50%)
         occurrences all number
    4
    Injection sire bruising
    Additional description: 10022052
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Injection site pain
    Additional description: MedDRA code: 10022086
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Injection site reaction
    Additional description: MedDRA code: 10022095
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Swelling of feet
    Additional description: MedDRA code: 10042693
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Respiratory, thoracic and mediastinal disorders
    Cough
    Additional description: MedDRA code: 10011224
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Nose bleed
    Additional description: MedDRA code: 10029792
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Sore throat
    Additional description: MedDRA code: 10041367
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Psychiatric disorders
    Disorientation
    Additional description: MedDRA code: 10013394
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Investigations
    High cholesterol
    Additional description: MedDRA code: 10020049
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Injury, poisoning and procedural complications
    Bruising of leg
    Additional description: MedDRA code: 10006510
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Nervous system disorders
    Dizziness
    Additional description: MedDRA code: 10013573
         subjects affected / exposed
    4 / 8 (50.00%)
         occurrences all number
    9
    Headache
    Additional description: MedDRA code: 10019211
         subjects affected / exposed
    5 / 8 (62.50%)
         occurrences all number
    7
    Lethargic
    Additional description: MedDRA code: 10024262
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Light-headed
    Additional description: MedDRA code: 10024490
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    3
    Migraine
    Additional description: MedDRA code: 10027599
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Numbness of face
    Additional description: MedDRA code: 10029836
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Sleepy
    Additional description: MedDRA code: 10041018
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Taste metallic
    Additional description: MedDRA code: 10043135
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    4
    Ear and labyrinth disorders
    Motion sickness
    Additional description: MedDRA code: 10027990
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Eye disorders
    Diplopia
    Additional description: MedDRA code: 10013036
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Visual distrubance
    Additional description: MedDRA code: 10047543
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Gastrointestinal disorders
    Abdominal cramps
    Additional description: MedDRA code: 10000057
         subjects affected / exposed
    3 / 8 (37.50%)
         occurrences all number
    12
    Abdominal pain
    Additional description: MedDRA code: 10000081
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Constipation
    Additional description: MedDRA code: 10010774
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Diarrhoea
    Additional description: MedDRA code: 10012735
         subjects affected / exposed
    7 / 8 (87.50%)
         occurrences all number
    15
    Dry mouth
    Additional description: MedDRA code: 10013781
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    3
    Loose stools
    Additional description: MedDRA code: 10024840
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Nausea
    Additional description: MedDRA code: 10028813
         subjects affected / exposed
    6 / 8 (75.00%)
         occurrences all number
    19
    Steatorrhea
    Additional description: MedDRA code: 10041968
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Stomach cramps
    Additional description: MedDRA code: 10049901
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Vomiting
    Additional description: MedDRA code: 10047700
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    4
    Skin and subcutaneous tissue disorders
    Swelling of face
    Additional description: MedDRA code:
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    2
    Musculoskeletal and connective tissue disorders
    Back Pain
    Additional description: MedDRA code: 10003988
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Leg cramps
    Additional description: MedDRA code: 10024125
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Muscle fatigue
    Additional description: MedDRA code: 10049565
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Muscle tightness
    Additional description: MedDRA code: 10049816
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Neck pain
    Additional description: MedDRA code: 10028836
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Swelling of knees
    Additional description: MedDRA code: 10042697
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Infections and infestations
    Common cold
    Additional description: MedDRA code: 10010106
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Eye infection
    Additional description: MedDRA code: 10015929
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Gastroenteritis norovirus
    Additional description: MedDRA code: 10068189
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Urinary tract infection
    Additional description: MedDRA code: 10046571
         subjects affected / exposed
    2 / 8 (25.00%)
         occurrences all number
    2
    Metabolism and nutrition disorders
    Anorexia
    Additional description: MedDRA code: 10002646
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Appetite lost
    Additional description: MedDRA code: 10003028
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Fluid overload
    Additional description: MedDRA code: 10016803
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1
    Hyperglycaemia
    Additional description: MedDRA code: 10020635
         subjects affected / exposed
    4 / 8 (50.00%)
         occurrences all number
    4
    Hypocalcaemia
    Additional description: MedDRA code: 10020947
         subjects affected / exposed
    1 / 8 (12.50%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    20 Oct 2010
    To enhance the safety of the study protocol the following points were added: 1) Patients with symptomatic cholelithiasis (active gallstones) will not be included in the study - gallbladder ultrasound imaging will be performed at visit 1 and end of study. 2) Glycaemic control will assessed by fasting venous blood glucose measures taken at each visit. Development of diabetes will prompt referral to a diabetologist (defined as a fasting plasma glucose of >7 mmol/L on two consecutive occasions) and managed appropriately. Patients with pre-existing diabetes mellitus or impaired fasting glucose will be monitored for any deterioration in glycaemic control and advised to regularly monitor their blood sugars by finger prick during the initiation of the study drug and to continue monitoring weekly. They will be referred to a diabetologist if necessary as indicated by a deterioration in glycaemic control. 3) Patients with prolonged QTcF as measured by ECG at baseline >480msec will be excluded from the study. Patients with a confirmed QTc >500 ms or >60ms from baseline will be withdrawn from the study. 4) Sexually active males recruited to the study will be advised to use condoms for the duration of the study and for 3 months after the final injection of the study drug. 5) Patients will be given a drug treatment diary to record administration of IMP injections. 6) Patients will be given a card detailing the potential side effects of the study drug .
    23 Dec 2010
    Additional pharmacy labels were produced following the receipt of 1mL ampoules of placebo and IMP solutions for injection. The pharmacy labels previously approved were for 2mL ampoules of placebo and IMP solutions for injection.
    02 Aug 2011
    1) The Principal Investigators at two Participating Sites changed. 2) Activities and documents to assist with the patient recruitment process were added.
    16 Nov 2011
    Addition of new research site.
    03 Aug 2012
    1) Removal of an exclusion criterion relating to prior or current treatment with a pasireotide or other somatostatin analogue. 2) Introduction of dose reduction for tolerability issues. 3) Altered timelines to take into account slow recruitment into study. 4) Definitions of AEs, SAEs and SUSARs added to protocol for completeness.

    Interruptions (globally)

    Were there any global interruptions to the trial? Yes
    Date
    Interruption
    Restart date
    03 Aug 2012
    Recruitment and study activity was paused while a protocol amendment was reviewed by REC and MHRA to allow a dose reduction of treatment when a participant experienced tolerability issues e.g. gastrointestinal effects.
    11 Sep 2012

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    Only 8 patients were recruited to this study, which was not enough to detect a clinically significant change of ACTH with a power of 80%; the recruitment target was 17 patients.
    For support, Contact us.
    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
    As of 31 January 2023, all EU/EEA initial clinical trial applications must be submitted through CTIS . Updated EudraCT trials information and information on PIP/Art 46 trials conducted exclusively in third countries continues to be submitted through EudraCT and published on this website.

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