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    Clinical Trial Results:
    A single arm phase II trial evaluating the activity of alectinib for the treatment of pretreated RET-rearranged advanced NSCLC

    Summary
    EudraCT number
    2017-002063-17
    Trial protocol
    ES   BE   NL   SI   IT  
    Global end of trial date
    12 Oct 2021

    Results information
    Results version number
    v1(current)
    This version publication date
    15 Dec 2022
    First version publication date
    15 Dec 2022
    Other versions
    Summary report(s)
    Statistical Analysis Plan

    Trial information

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    Trial identification
    Sponsor protocol code
    ETOP12-17
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT03445000
    WHO universal trial number (UTN)
    -
    Other trial identifiers
    Roche Number: MO30176
    Sponsors
    Sponsor organisation name
    European Thoracic Oncology Platform
    Sponsor organisation address
    Effingerstr. 40, Bern, Switzerland, 3008
    Public contact
    ETOP Coordinating Office, ETOP, +41 31 511 94 00, regulatoryoffice@etop-eu.org
    Scientific contact
    ETOP Coordinating Office, ETOP, +41 31 511 94 00, regulatoryoffice@etop-eu.org
    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
    12 Oct 2021
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    31 Mar 2021
    Global end of trial reached?
    Yes
    Global end of trial date
    12 Oct 2021
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    To assess the efficacy of alectinib in terms of best overall response (OR) assessed by RECIST 1.1.
    Protection of trial subjects
    Alectinib is administered until progression, refusal or unacceptable toxicity. Trial treatment may also continue beyond progression, with physician and patient agreement, for as long as the patient may still derive clinical benefit as per investigator decision. The following events are closely monitored and represent selected AEs for this trial: abnormal renal function and acute kidney injury, anaemia, bradycardia, gastrointestinal effects, hepatotoxicity, interstitial lung disease (ILD) / pneumonitis, oedema, photosensitivity, rash, severe myalgia and CPK elevations, vision disorders. All AEs, regardless of relationship to IMP, are reported from the date of signature of informed consent until 30 days after the last dose of IMP. Management of adverse events may require dose reduction, temporary interruption, or discontinuation of treatment with alectinib. The dose of alectinib is reduced in steps of 150 mg twice daily based on tolerability. Alectinib treatment is permanently discontinued if patients are unable to tolerate the 300 mg twice daily dose. For women who are not postmenopausal (≥12 months of non-therapy-induced amenorrhea) or surgically sterile (absence of ovaries and/or uterus): agreement to remain abstinent or use single or combined contraceptive methods that result in a failure rate of <1% per year during the treatment period and for at least 3 months after the last dose of IMP. Men must agree to remain abstinent or use a condom plus an additional contraceptive method that together result in a failure rate of <1% per year during the treatment period and for at least 3 months after the last dose of IMP. Women who become pregnant while participating in the trial must discontinue trial medication immediately. The pregnancy is reported following procedures detailed in the protocol. Also, any pregnancy that occurs in a female partner of a male trial participant is reported.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    06 Nov 2018
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Netherlands: 6
    Country: Number of subjects enrolled
    Spain: 5
    Country: Number of subjects enrolled
    Belgium: 1
    Country: Number of subjects enrolled
    Italy: 2
    Worldwide total number of subjects
    14
    EEA total number of subjects
    14
    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)
    10
    From 65 to 84 years
    4
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Overall, 15 patients have been registered in the iBioBank from 6th of November 2018 until the 1st of April 2020, with 14 of them being enrolled, coming from centers in the Netherlands, Spain, Italy and Belgium.

    Pre-assignment
    Screening details
    One patient was ineligible for enrolment due to active CNS metastases.

    Period 1
    Period 1 title
    Overall trial period (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Alectinib
    Arm description
    Alectinib is administered orally, 600 mg, twice per day (1200 mg per day) until progression, refusal or unacceptable toxicity. Trial treatment may also continue beyond progression, with physician and patient agreement, for as long as the patient may still derive clinical benefit as per investigator decision.
    Arm type
    Experimental

    Investigational medicinal product name
    Alectinib
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Capsule
    Routes of administration
    Oral use
    Dosage and administration details
    Alectinib is administered orally, 600 mg, twice per day (1200 mg per day) until progression, refusal or unacceptable toxicity. If a planned dose of alectinib is missed, patients can take the missed dose up until 6 hours before the next dose. Patients should not take two doses at the same time to make up for a missed dose. Alectinib treatment should be permanently discontinued if the treatment interruption exceeds 21 consecutive days. The appropriate number of alectinib capsules will be provided to patients to be self-administered at home. Patients will be asked to return the remaining trial medication at each treatment visit for a compliance check. The remaining capsules will be counted by the investigator/site staff and recorded at the investigator site. Discrepancies between the number of capsules remaining and the calculated number of capsules the patients should have taken as well as the information recorded in the patient diary must be documented and explained.

    Number of subjects in period 1
    Alectinib
    Started
    14
    Completed
    0
    Not completed
    14
         Physician decision
    1
         Disease progression
    8
         Adverse event, non-fatal
    3
         Death
    2

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Overall trial period
    Reporting group description
    Intention-to-treat (ITT) population

    Reporting group values
    Overall trial period Total
    Number of subjects
    14 14
    Age categorical
    Units: Subjects
        In utero
    0
        Preterm newborn infants (gestational age < 37 wks)
    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)
    0
        From 65-84 years
    0
        85 years and over
    0
    Age continuous
    Age at consent
    Units: years
        median (full range (min-max))
    60.6 (38.0 to 81.4) -
    Gender categorical
    Units: Subjects
        Female
    10 10
        Male
    4 4
    Smoking status
    Units: Subjects
        Current
    1 1
        Former (≥ 100 cigarettes during the whole life)
    3 3
        Never (0-99 cigarettes during the whole life)
    10 10
    ECOG Performance Status
    0: Fully active, able to carry on all pre-disease performance without restriction; 1: Restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature, e.g., light house work, office work; 2: Ambulatory and capable of all selfcare but unable to carry out any work activities, up and about more than 50% of waking hours.
    Units: Subjects
        ECOG PS: 0
    4 4
        ECOG PS: 1
    10 10

    End points

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    End points reporting groups
    Reporting group title
    Alectinib
    Reporting group description
    Alectinib is administered orally, 600 mg, twice per day (1200 mg per day) until progression, refusal or unacceptable toxicity. Trial treatment may also continue beyond progression, with physician and patient agreement, for as long as the patient may still derive clinical benefit as per investigator decision.

    Subject analysis set title
    Efficacy cohort
    Subject analysis set type
    Per protocol
    Subject analysis set description
    Efficacy cohort encompasses all evaluable patients, e.g. all enrolled patients excluding patients that were found to be ineligible (in retrospective review), patients that have never started the trial treatment and patients that are lost to follow-up before their first response evaluation (by RECIST 1.1). The efficacy cohort consists of 13 patients (there is one patient who was lost to follow-up before the first tumour assessment).

    Subject analysis set title
    Safety cohort
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    The safety cohort includes all patients who received at least one dose of trial treatment (i.e. all 14 patients).

    Primary: Best overall response (BOR)

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    End point title
    Best overall response (BOR) [1]
    End point description
    Best overall response (OR = CR or PR), per investigator assessment. OR was determined using the Response Evaluation Criteria in Solid Tumors (RECIST v1.1). OR is defined as the best overall response [Complete Response (disappearance of all target and non-target lesions; no new lesions) or Partial Response (at least a 30% decrease in the sum of diameters of target lesions taking as reference the baseline sum of diameters; no new lesions)] across all assessment points. Radiological tumour assessments were performed using CT scans.
    End point type
    Primary
    End point timeframe
    Time from enrolment of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021). The end of clinical follow-up of the last treated patient was in December 2020.
    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: Trial's accrual was terminated early, with only 13 patients consisting the efficacy cohort (of the total 41 required for the statistical test of proportions).
    End point values
    Efficacy cohort
    Number of subjects analysed
    13
    Units: Subjects
        Complete response
    0
        Partial response
    0
        Stable disease
    9
        Non-Complete response/ Non-Progressive disease
    1
        Progressive disease
    2
        Not evaluable
    1
    No statistical analyses for this end point

    Secondary: Disease control at 24-weeks

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    End point title
    Disease control at 24-weeks
    End point description
    Best overall response of CR or PR, or SD (or non-CR/non-PD in the case of non-measurable disease only).
    End point type
    Secondary
    End point timeframe
    Time from enrolment of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021).
    End point values
    Efficacy cohort
    Number of subjects analysed
    13
    Units: Subjects
        Disease control
    3
        No disease control
    10
    No statistical analyses for this end point

    Secondary: Progression-free survival (PFS)

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    End point title
    Progression-free survival (PFS)
    End point description
    Progression-free survival time is measured from the date of enrolment until documented progression or death, if progression is not documented. PFS is assessed according to RECIST 1.1 criteria.
    End point type
    Secondary
    End point timeframe
    Time from enrolment of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021).
    End point values
    Efficacy cohort
    Number of subjects analysed
    13
    Units: months
        median (confidence interval 95%)
    3.7 (1.8 to 7.3)
    No statistical analyses for this end point

    Secondary: Overall survival (OS)

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    End point title
    Overall survival (OS)
    End point description
    Overall survival time is measured from the date of enrolment until death from any cause.
    End point type
    Secondary
    End point timeframe
    Time from enrolment of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021).
    End point values
    Efficacy cohort
    Number of subjects analysed
    13 [2]
    Units: months
        median (confidence interval 95%)
    99999 (13.8 to 99999)
    Notes
    [2] - 9999: Median survival time has not been reached; upper 95% confidence limit is not estimable.
    No statistical analyses for this end point

    Secondary: Safety and tolerability

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    End point title
    Safety and tolerability
    End point description
    The safety and tolerability of alectinib treatment is assessed through analysis of the worst grade of toxicity/adverse events according to CTCAE v4.0 criteria observed over the whole treatment period.
    End point type
    Secondary
    End point timeframe
    Time from treatment start of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021).
    End point values
    Safety cohort
    Number of subjects analysed
    14
    Units: Subjects
        Experienced adverse event(s)
    14
        Experienced serious adverse event(s)
    4
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events were assessed from treatment start of the first patient until the database cut-off date for the primary BOR analysis (November 2018 - March 2021).
    Adverse event reporting additional description
    Safety and tolerability of alectinib treatment is assessed through analysis of the worst grade of toxicity/adverse events according to CTCAE v4.0 criteria observed over the whole treatment period.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    NCI CTCAE
    Dictionary version
    4.0
    Reporting groups
    Reporting group title
    Safety cohort
    Reporting group description
    The safety cohort will include all patients that have received at least one dose of trial treatment.

    Serious adverse events
    Safety cohort
    Total subjects affected by serious adverse events
         subjects affected / exposed
    4 / 14 (28.57%)
         number of deaths (all causes)
    3
         number of deaths resulting from adverse events
    1
    Vascular disorders
    Thromboembolic event
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Sudden death not otherwise specified (NOS)
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Respiratory, thoracic and mediastinal disorders
    Dyspnea
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Endocrine disorders
    Adrenal insufficiency
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Soft tissue infection
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Safety cohort
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    14 / 14 (100.00%)
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    6 / 14 (42.86%)
         occurrences all number
    6
    Fever
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    General disorders and administration site conditions - Other
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Pain
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Chills
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Edema limbs
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Immune system disorders
    Allergic reaction
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders
    Dyspnea
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Cough
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Epistaxis
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Laryngeal inflammation
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Pneumonitis
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Productive cough
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Respiratory, thoracic and mediastinal disorders - Other
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Psychiatric disorders
    Depression
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Investigations
    CPK increased
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Aspartate aminotransferase increased
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Creatinine increased
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Alanine aminotransferase increased
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Alkaline phosphatase increased
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Blood bilirubin increased
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Cholesterol high
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Electrocardiogram QT corrected interval prolonged
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Lipase increased
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    White blood cell decreased
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Nervous system disorders
    Headache
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Dizziness
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Dysgeusia
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Ataxia
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Olfactory nerve disorder
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Peripheral sensory neuropathy
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Blood and lymphatic system disorders
    Anemia
         subjects affected / exposed
    6 / 14 (42.86%)
         occurrences all number
    6
    Blood and lymphatic system disorders - Other
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Gastrointestinal disorders
    Constipation
         subjects affected / exposed
    4 / 14 (28.57%)
         occurrences all number
    4
    Diarrhea
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Mucositis oral
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Nausea
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Vomiting
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Skin and subcutaneous tissue disorders
    Dry skin
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Erythema multiforme
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Pruritus
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Skin and subcutaneous tissue disorders - Other
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Photosensitivity
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Renal and urinary disorders
    Urinary tract pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Endocrine disorders
    Hyperthyroidism
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Musculoskeletal and connective tissue disorders
    Myalgia
         subjects affected / exposed
    3 / 14 (21.43%)
         occurrences all number
    3
    Bone pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Buttock pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Chest wall pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Flank pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Neck pain
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Infections and infestations
    Lung infection
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Mucosal infection
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Upper respiratory infection
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Urinary tract infection
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Metabolism and nutrition disorders
    Anorexia
         subjects affected / exposed
    2 / 14 (14.29%)
         occurrences all number
    2
    Hyperkalemia
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1
    Hypophosphatemia
         subjects affected / exposed
    1 / 14 (7.14%)
         occurrences all number
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    Interruptions (globally)

    Were there any global interruptions to the trial? Yes
    Date
    Interruption
    Restart date
    31 Mar 2021
    Since the activation of the ALERT-lung trial, promising new agents for the treatment of RET-rearranged NSCLC have been introduced. At the same time, in a Japanese study, alectinib has shown only moderate activity in this indication. For both the aforementioned reasons, ETOP decided to prematurely close the ALERT-lung trial, by March 31, 2021. Follow-up and safety information were updated until 31 March 2021.
    -

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    None reported

    Online references

    http://www.ncbi.nlm.nih.gov/pubmed/36030612
    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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