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    Clinical Trial Results:
    A multicenter, open label Phase I/II study to determine the safety and immune modulating effects of the therapeutic Human Papilloma Virus Type 16 (HPV16) E6/E7 Synthetic Long Peptides Vaccine (ISA101/ISA101b) immunotherapy in combination with standard of care therapy (carboplatin and paclitaxel with or without bevacizumab) in women with HPV16-positive advanced or recurrent cervical cancer who have no curative treatment options.

    Summary
    EudraCT number
    2013-001804-12
    Trial protocol
    DE   NL   BE  
    Global end of trial date
    01 Sep 2018

    Results information
    Results version number
    v1(current)
    This version publication date
    24 Oct 2019
    First version publication date
    24 Oct 2019
    Other versions
    Summary report(s)
    ISA_Clinical Study Report_Synopsis_V1.0_09Aug2019

    Trial information

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    Trial identification
    Sponsor protocol code
    ISA-HPV-01-12
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02128126
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    ISA Therapeutics B.V.
    Sponsor organisation address
    J.H. Oortweg 19, Leiden, Netherlands, 2333 CH
    Public contact
    Sonja Visscher, ISA Therapeutics B.V., info@isa-pharma.com
    Scientific contact
    Kees Melief , ISA Therapeutics B.V., melief@isa-pharma.com
    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
    26 Oct 2018
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    14 Aug 2018
    Global end of trial reached?
    Yes
    Global end of trial date
    01 Sep 2018
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objectives of this trial were:  To assess the safety and tolerability of different doses of the ISA101 vaccine with or without pegylated Interferon Alpha (IFNα) as combination therapy with carboplatin and paclitaxel.  To assess the HPV-specific immune responses to different doses of the ISA101 vaccine with or without pegylated IFNα as combination therapy with carboplatin and paclitaxel.  To qualitatively assess the safety profile of ISA101b vaccine compared to ISA101 at the same dose level(s).  To assess the safety of ISA101b vaccine with carboplatin, paclitaxel with or without bevacizumab.  To qualitatively assess the HPV-specific immune responses of ISA101b vaccine relative to the same dose level(s) of ISA101.  To qualitatively assess the HPV-specific immune responses of ISA101b vaccine with carboplatin, paclitaxel with or without bevacizumab.
    Protection of trial subjects
    Patients receiving ISA101(b) were closely monitored for at least 4 hours after vaccination to provide means for immediate treatment of allergic reactions should that be necessary (precautions include availability of staff well-trained in resuscitation, intravenous access for administration of fluids, antihistamines and corticosteroids, and epinephrine for intramuscular injection).
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    15 Aug 2013
    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
    Belgium: 45
    Country: Number of subjects enrolled
    Netherlands: 44
    Country: Number of subjects enrolled
    Germany: 1
    Worldwide total number of subjects
    90
    EEA total number of subjects
    90
    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)
    81
    From 65 to 84 years
    9
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    This trial was conducted in 13 centers in 3 countries: Belgium, The Netherlands and Germany. First ICF was signed: 15Aug2013. Last study visit before database lock: 09May2018

    Pre-assignment
    Screening details
    Patients with advanced (Stage IIIb-IVa with involvement of lymph nodes beyond the renal vein) or metastatic (stage IVb) or recurrent HPV16-positive cervical cancer for whom no curative treatment options existed were enrolled. Total number of patients registered was 93 with 90 being part of safety set.

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

    Arms
    Arm title
    ISA101/ISA101b with SoC therapy
    Arm description
    Synthetic Long Peptides Vaccine (ISA101/ ISA101b) immunotherapy in combination with standard of care therapy (carboplatin and paclitaxel with or without bevacizumab). * Stage 1: 8 cohorts of 6 patients each, 4 dose levels of ISA101 (20, 40, 100 and 300 μg/peptide) with and without 1 μg/kg pegylated IFNα in combination with fixed doses of Standard of Care (SoC) chemotherapy: carboplatin at an AUC of 6 mg/ml/min and paclitaxel at a dose of 175 mg/m2. * Stage 2: 6 additional patients were enrolled each at 40 and 100 μg/peptide dose level of ISA101, without pegylated IFNα. * Stage 3: ISA101b was tested using the RP2D of 100 μg/peptide. 6 patients were enrolled at the dose level of 100 μg/peptide (cohort 9) in which the dose was given in conjunction with carboplatin at an AUC of 6mg/ml/min and paclitaxel; 6 more patients were treated with ISA101b at 100 μg/peptide in addition to carboplatin, paclitaxel, AND bevacizumab
    Arm type
    Experimental

    Investigational medicinal product name
    ISA101/ISA101b
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Powder for solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Patients eligible for the trial were assigned to a cohort in order of entry. Each patient was to receive 3 doses of vaccine (ISA101 or ISA101b) over nine weeks in Cycles 2, 3 and 4 of a total of up to six cycles of chemotherapy (18 weeks, without dose interruption/delays) The ISA101 vaccine contains nine HPV16 E6 and four HPV16 E7 SLP. The peptides were dissolved in DMSO and subsequently diluted in WFI and emulsified with Montanide. The final ratio of DMSO / WFI / Montanide is 20/30/50. The ISA101b vaccine contains nine HPV16 E6 and three HPV16 E7 SLP. The peptides are reconstituted with Macrogolglycerol Ricinoleate (Reconstitution Solution) and mixed with Montanide The ISA101/ISA101b vaccine is administered via two SC injections in two different limbs. Stage 1: four dose levels of ISA101 (20, 40, 100 and 300 μg/peptide) Stage 2: 40 and 100 μg/peptide dose level of ISA101, Stage 3: ISA101b of 100 μg/peptide.

    Investigational medicinal product name
    Pegnitron
    Investigational medicinal product code
    Other name
    pegylated interferon alpha
    Pharmaceutical forms
    Powder for solution for injection, Solution for solution for injection
    Routes of administration
    Subcutaneous use
    Dosage and administration details
    Pegintron is administered SC according to the SPC Stage 1: with and without 1 μg/kg pegylated IFNα Stage 2: without pegylated IFNα Stage 3: without pegylated IFNα

    Investigational medicinal product name
    Paclitaxel
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Concentrate for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Stage 1: fixed doses of Standard of Care (SoC) chemotherapypaclitaxel at a dose of 175 mg/m2. Stage 2: fixed doses of Standard of Care (SoC) chemotherapypaclitaxel at a dose of 175 mg/m2. with and without bevacizumab Stage 3: fixed doses of Standard of Care (SoC) chemotherapypaclitaxel at a dose of 175 mg/m2.

    Investigational medicinal product name
    Carboplatin
    Investigational medicinal product code
    Other name
    cis-Diammine(1,1-cyclobutanedicarboxylato)platinum
    Pharmaceutical forms
    Concentrate for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Stage 1: dose of Standard of Care (SoC) chemotherapy: carboplatin at an Area Under the Curve (AUC) of 6 mg/ml/min Stage 2: dose of Standard of Care (SoC) chemotherapy: carboplatin at an Area Under the Curve (AUC) of 6 mg/ml/min Stage 3: dose of Standard of Care (SoC) chemotherapy: carboplatin at an Area Under the Curve (AUC) of 6 mg/ml/min

    Investigational medicinal product name
    Avastin
    Investigational medicinal product code
    Other name
    bevacizumab
    Pharmaceutical forms
    Concentrate for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Stage 1 & 2: No bevacizumab Stage 3: in cohort 10 only, bevacizumab 15 mg/kg per standard of care

    Number of subjects in period 1
    ISA101/ISA101b with SoC therapy
    Started
    90
    Completed
    58
    Not completed
    32
         Progression disease
    15
         Consent withdrawn by subject
    1
         death
    3
         inability/unwillingness
    1
         Adverse event
    12

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Overall trial
    Reporting group description
    the total number of patients registered in the trial was 93 with 90 being part of the SAF (Safety set) population because 3 patients never received any trial treatment.

    Reporting group values
    Overall trial Total
    Number of subjects
    90 90
    Age categorical
    Units: Subjects
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    0 0
        Children (2-11 years)
    0 0
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    81 81
        From 65-84 years
    9 9
        85 years and over
    0 0
    Age continuous
    Units: years
        median (full range (min-max))
    48.5 (28.4 to 74.4) -
    Gender categorical
    Units: Subjects
        Female
    90 90
        Male
    0 0
    Subject analysis sets

    Subject analysis set title
    Subjects who received at least 1 dose of ISA101/ISA101b
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    The total number of patients receiving at least one dose of ISA101 vaccination was 72 and another 12 patients received at least one dose of ISA101b vaccine.

    Subject analysis set title
    Subjects for ISA101
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    SAF-ISA101 Population is 77 (cohort 1 - 8) note: 5 of them never received any dose of ISA101

    Subject analysis set title
    Subjects for ISA101b
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    SAF-ISA101 Population is 13 (cohort 9-10)

    Subject analysis sets values
    Subjects who received at least 1 dose of ISA101/ISA101b Subjects for ISA101 Subjects for ISA101b
    Number of subjects
    84
    77
    13
    Age categorical
    Units: Subjects
        In utero
    0
    0
    0
        Preterm newborn infants (gestational age < 37 wks)
    0
    0
    0
        Newborns (0-27 days)
    0
    0
    0
        Infants and toddlers (28 days-23 months)
    0
    0
    0
        Children (2-11 years)
    0
    0
    0
        Adolescents (12-17 years)
    0
    0
    0
        Adults (18-64 years)
    77
    69
    12
        From 65-84 years
    7
    8
    1
        85 years and over
    0
    0
    0
    Age continuous
    Units: years
        median (full range (min-max))
    Gender categorical
    Units: Subjects
        Female
        Male

    End points

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    End points reporting groups
    Reporting group title
    ISA101/ISA101b with SoC therapy
    Reporting group description
    Synthetic Long Peptides Vaccine (ISA101/ ISA101b) immunotherapy in combination with standard of care therapy (carboplatin and paclitaxel with or without bevacizumab). * Stage 1: 8 cohorts of 6 patients each, 4 dose levels of ISA101 (20, 40, 100 and 300 μg/peptide) with and without 1 μg/kg pegylated IFNα in combination with fixed doses of Standard of Care (SoC) chemotherapy: carboplatin at an AUC of 6 mg/ml/min and paclitaxel at a dose of 175 mg/m2. * Stage 2: 6 additional patients were enrolled each at 40 and 100 μg/peptide dose level of ISA101, without pegylated IFNα. * Stage 3: ISA101b was tested using the RP2D of 100 μg/peptide. 6 patients were enrolled at the dose level of 100 μg/peptide (cohort 9) in which the dose was given in conjunction with carboplatin at an AUC of 6mg/ml/min and paclitaxel; 6 more patients were treated with ISA101b at 100 μg/peptide in addition to carboplatin, paclitaxel, AND bevacizumab

    Subject analysis set title
    Subjects who received at least 1 dose of ISA101/ISA101b
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    The total number of patients receiving at least one dose of ISA101 vaccination was 72 and another 12 patients received at least one dose of ISA101b vaccine.

    Subject analysis set title
    Subjects for ISA101
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    SAF-ISA101 Population is 77 (cohort 1 - 8) note: 5 of them never received any dose of ISA101

    Subject analysis set title
    Subjects for ISA101b
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    SAF-ISA101 Population is 13 (cohort 9-10)

    Primary: Subjects With at Least One TEAE (Treatment-Emergent Adverse Ev, TEAE Related to ISA101(b), TEAE Related to IFNa, TEAE Related to Chemotherapy, TEAE Related to Bevacizumab, Serious TEAE, TEAE of NCI-CTC Grade 3, 4, or 5, and TEAE Leading to Drug Withdrawal

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    End point title
    Subjects With at Least One TEAE (Treatment-Emergent Adverse Ev, TEAE Related to ISA101(b), TEAE Related to IFNa, TEAE Related to Chemotherapy, TEAE Related to Bevacizumab, Serious TEAE, TEAE of NCI-CTC Grade 3, 4, or 5, and TEAE Leading to Drug Withdrawal [1]
    End point description
    A TEAE was reported in 89 out of 90 patients. The one patient without any TEAEs experienced rapid progression after the first chemotherapy cycle, this patient did not received any dose ISA101(b). The reported AE was “increased pain”, which was not related to any therapy and started before the first chemotherapy administration. Almost all patients (98.9%) reported chemotherapy related AEs. AEs related to ISA101/ISA101b were reported for 80.0% of all patients, with a somewhat lower frequency of vaccine-related events recorded for the ISA101b bridging cohorts compared with the ISA101 cohorts at the same peptide concentration of 100 μg/peptide, 69.2% versus 100% respectively.
    End point type
    Primary
    End point timeframe
    The study will include 3 weeks of screening, 18 weeks of treatment, 30-day follow up after treatment for safety, and 34 weeks follow up after treatment for clinical response
    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: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed.
    End point values
    ISA101/ISA101b with SoC therapy
    Number of subjects analysed
    90
    Units: number
    number (not applicable)
        Any TEAE
    89
        TEAE related to ISA101/ISA101b
    72
        TEAE related to Pegylated IFNα
    29
        TEAE related to bevacizumab
    2
        TEAE related to Chemotherapy
    89
        Serious TEAE
    49
        NCI-CTC grade 3, 4, or 5 TEAEs
    73
        TEAEs Leading to Drug Withdrawal
    13
    No statistical analyses for this end point

    Primary: Treatment-Emergent Systemic Allergic Reactions (TESAR) Related to ISA101(b):Subjects With at Least One TESAR, Serious TESAR, TESAR of NCI-CTC Grade 3, 4, or 5, and TESAR Leading to Drug Withdrawal

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    End point title
    Treatment-Emergent Systemic Allergic Reactions (TESAR) Related to ISA101(b):Subjects With at Least One TESAR, Serious TESAR, TESAR of NCI-CTC Grade 3, 4, or 5, and TESAR Leading to Drug Withdrawal [2]
    End point description
    Overview of Reported TESAR ((treatment emergent serious allergic reaction) Related to ISA101/ISA101b
    End point type
    Primary
    End point timeframe
    The study will include 3 weeks of screening, 18 weeks of treatment, 30-day follow up after treatment for safety, and 34 weeks follow up after treatment for clinical response
    Notes
    [2] - 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: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed.
    End point values
    Subjects who received at least 1 dose of ISA101/ISA101b
    Number of subjects analysed
    84
    Units: unit(s)
    number (not applicable)
        patients who received ISA101/ISA101b
    84
        Any TESAR
    11
        Serious TESAR
    5
        NCI-CTCAE Grade 3 or 4 TESAR
    3
        Leading to drug withdrawal
    2
    No statistical analyses for this end point

    Primary: Treatment-Emergent Injection Site Reactions (TEISR) related to ISA101(b): subjects With at Least One TEISR , Serious TEISR, TEISR of NCI-CTC Grade 3, 4, or 5, and TEISR Leading to Drug Withdrawal of Patients Treated with ISA101/ISA101b

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    End point title
    Treatment-Emergent Injection Site Reactions (TEISR) related to ISA101(b): subjects With at Least One TEISR , Serious TEISR, TEISR of NCI-CTC Grade 3, 4, or 5, and TEISR Leading to Drug Withdrawal of Patients Treated with ISA101/ISA101b [3]
    End point description
    Treament emergent dose-related Injection Site Reactions (ISRs) to ISA101 were the most frequent AEs reported to be related to ISA101 with ISRs occurring in most patients who received ISA101. Most of the local ISRs were reported to be Grade 1 to 2 in severity.
    End point type
    Primary
    End point timeframe
    The study will include 3 weeks of screening, 18 weeks of treatment, 30-day follow up after treatment for safety, and 34 weeks follow up after treatment for clinical response.
    Notes
    [3] - 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: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed.
    End point values
    Subjects who received at least 1 dose of ISA101/ISA101b
    Number of subjects analysed
    84
    Units: unit(s)
    number (not applicable)
        number of patients who received ISA101 (b)
    84
        Any TEISR
    59
        Serious TEISR
    0
        NCI-CTC grade 3, 4, or 5 TEISR
    1
        TEISR Leading to Drug Withdrawal
    1
    No statistical analyses for this end point

    Primary: HPV specific immune response to the ISA101 vaccine

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    End point title
    HPV specific immune response to the ISA101 vaccine [4]
    End point description
    See CSR synopsis in attachment page 7 for description of Biomarker Response - Immune Response to ISA101/ISA101b Spearman correlation r = correlation coefficient MRM = Memory Response Mix; ESM = maximum of MRM at visits 8 and 10; ESMC = maximum of MRM at Visit 8 and 10 - MRM at Visit 4; ESMCP = 100*(ESM - MRM at visit4)/MRM at visit 4 ESSMEDIAN = for each of the 6 epitopes the maximum over visit 8 and 10. ESSMEDIAN is the median of the 6 maxima.
    End point type
    Primary
    End point timeframe
    The study will include 3 weeks of screening, 18 weeks of treatment, 30-day follow up after treatment for safety, and 34 weeks follow up after treatment for clinical response
    Notes
    [4] - 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: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed.
    End point values
    Subjects for ISA101
    Number of subjects analysed
    77
    Units: unit(s)
    number (not applicable)
        ESSMEDIAN - ESM r
    0.058
        ESSMEDIAN - ESMC r
    0.012
        ESSMEDIAN - ESMCP r
    -0.083
        ESMCP - ESM r
    0.331
        ESMCP - ESMC r
    0.885
        ESMC - ESM r
    0.636
    No statistical analyses for this end point

    Primary: IMMUNE OUTCOME DATA

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    End point title
    IMMUNE OUTCOME DATA [5]
    End point description
    ESM = maximum of MRM at visits 8 and 10 MRM = Memory Response Mix ESSMEDIAN = for each of the 6 epitopes the maximum over visit 8 and 10. ESSMEDIAN is the median of the 6 maxima
    End point type
    Primary
    End point timeframe
    The study will include 3 weeks of screening, 18 weeks of treatment, 30-day follow up after treatment for safety, and 34 weeks follow up after treatment for clinical response
    Notes
    [5] - 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: The analysis of the primary endpoint was descriptive i.e. no statistical hypothesis test was performed.
    End point values
    Subjects for ISA101
    Number of subjects analysed
    77
    Units: units
    number (not applicable)
        ESM median in cohort with 20 microgram ISA101
    193.50
        ESM median in cohort with 40 microgram ISA101
    259.00
        ESM median in cohort with 100 microgram ISA101
    286.0
        ESM median in cohort with 300 microgram ISA101
    248.00
        ESM median in cohort with IFNa
    250.00
        ESM median in cohort without IFNa
    246.00
        ESM median of patients without prior chemo
    248.00
        ESM median of patients with prior chemo
    228.00
        ESM median of all cohorts
    248.00
    No statistical analyses for this end point

    Secondary: Best Overall Response

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    End point title
    Best Overall Response
    End point description
    Patients who had a stronger HPV16-specific immune response to ISA101 (greater than or equal to the median) had a statistically significant prolongation of median OS of 16.8 months compared to those who had a lower HPV-specific immune response (median OS of 11.2 months). These data indicate a strong association between the strength of the HPV-specific immune response induced by ISA101 treatment and OS. Patients who had a stronger HPV16-specific immune response to ISA101 (greater than or equal to the median) had a statistically significant prolongation of median OS of 16.8 months compared to those who had a lower HPV-specific immune response (median OS of 11.2 months). These data indicate a strong association between the strength of the HPV-specific immune response induced by ISA101 treatment and OS.
    End point type
    Secondary
    End point timeframe
    CT/MRI scan at baseline, Day 1 of cycle 4, EoT visit and at week 30, 42, 52
    End point values
    Subjects for ISA101
    Number of subjects analysed
    77
    Units: units
    number (not applicable)
        Complete response
    4
        Partial response
    27
        Stable disease
    31
        Progressive disease
    10
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Patients were monitored for AEs from Inform Consent Form signature and during each patient visit until 30 days after end of treatment visit.
    Adverse event reporting additional description
    All reported (S)AEs are the (S)AEs with the onset of first treatment. In this data base only events related to ISA101(b) are reported. Most of the (S)AEs in the CervISA trial were expected toxicities related to chemotherapy or to complications associated with progression of cervical cancer.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    17.0
    Reporting groups
    Reporting group title
    received at least one dose of ISA101 group
    Reporting group description
    A total of 93 patients registered for the trial, 79 for the evaluation of ISA101 and 14 for the ISA101b evaluation. The Safety Set (SAF) for the trial was defined as all patients who received at least one dose of chemotherapy or other trial treatment: For ISA101, the SAF population was 77 patients of whom 72 received at least one dose of ISA101 vaccine and 51 patients completed all trial related treatments. For ISA101b, the SAF population was 13 patients, 12 of whom received at least one dose of ISA101b vaccine and seven completed all study related treatments. Most of the (S)AEs in the CervISA trial were expected toxicities related to chemotherapy or to complications associated with progression of cervical cancer. Only ISA101 related (S)AE are reported in this database

    Reporting group title
    received at least one dose of ISA101b group
    Reporting group description
    A total of 93 patients registered for the trial, 79 for the evaluation of ISA101 and 14 for the ISA101b evaluation. The Safety Set (SAF) for the trial was defined as all patients who received at least one dose of chemotherapy or other trial treatment: For ISA101, the SAF population was 77 patients of whom 72 received at least one dose of ISA101 vaccine and 51 patients completed all trial related treatments. For ISA101b, the SAF population was 13 patients, 12 of whom received at least one dose of ISA101b vaccine and seven completed all study related treatments. Most of the (S)AEs in the CervISA trial were expected toxicities related to chemotherapy or to complications associated with progression of cervical cancer. Only ISA101(b) related (S)AE are reported in this database.

    Serious adverse events
    received at least one dose of ISA101 group received at least one dose of ISA101b group
    Total subjects affected by serious adverse events
         subjects affected / exposed
    16 / 72 (22.22%)
    1 / 12 (8.33%)
         number of deaths (all causes)
    6
    0
         number of deaths resulting from adverse events
    0
    0
    Injury, poisoning and procedural complications
    Injection related reaction
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vaccination complication
         subjects affected / exposed
    2 / 72 (2.78%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    2 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vascular disorders
    Embolism
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nervous system disorders
    Somnolence
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Thrombocytopenia
         subjects affected / exposed
    2 / 72 (2.78%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    3 / 3
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Febrile neutropenia
         subjects affected / exposed
    5 / 72 (6.94%)
    1 / 12 (8.33%)
         occurrences causally related to treatment / all
    6 / 6
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Systemic inflammatory response syndrome
         subjects affected / exposed
    2 / 72 (2.78%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    2 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Mucosal inflammation
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Immune system disorders
    Hypersensitivity
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Vomiting
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pulmonary embolism
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Sepsis
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    received at least one dose of ISA101 group received at least one dose of ISA101b group
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    63 / 72 (87.50%)
    9 / 12 (75.00%)
    Injury, poisoning and procedural complications
    Vaccination complication
         subjects affected / exposed
    2 / 72 (2.78%)
    0 / 12 (0.00%)
         occurrences all number
    3
    0
    Nervous system disorders
    Memory impairment
         subjects affected / exposed
    0 / 72 (0.00%)
    1 / 12 (8.33%)
         occurrences all number
    0
    1
    Migraine
         subjects affected / exposed
    1 / 72 (1.39%)
    0 / 12 (0.00%)
         occurrences all number
    1
    0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    7 / 72 (9.72%)
    1 / 12 (8.33%)
         occurrences all number
    7
    3
    Febrile neutropenia
         subjects affected / exposed
    1 / 72 (1.39%)
    1 / 12 (8.33%)
         occurrences all number
    1
    1
    Leukopenia
         subjects affected / exposed
    1 / 72 (1.39%)
    1 / 12 (8.33%)
         occurrences all number
    2
    1
    Neutropenia
         subjects affected / exposed
    4 / 72 (5.56%)
    1 / 12 (8.33%)
         occurrences all number
    5
    1
    Thrombocytopenia
         subjects affected / exposed
    2 / 72 (2.78%)
    1 / 12 (8.33%)
         occurrences all number
    2
    1
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    12 / 72 (16.67%)
    0 / 12 (0.00%)
         occurrences all number
    13
    0
    Influenza like illness
         subjects affected / exposed
    11 / 72 (15.28%)
    2 / 12 (16.67%)
         occurrences all number
    20
    4
    injection site reac
         subjects affected / exposed
    27 / 72 (37.50%)
    6 / 12 (50.00%)
         occurrences all number
    34
    9
    Injection site swelling
         subjects affected / exposed
    0 / 72 (0.00%)
    1 / 12 (8.33%)
         occurrences all number
    0
    1
    Pyrexia
         subjects affected / exposed
    12 / 72 (16.67%)
    3 / 12 (25.00%)
         occurrences all number
    22
    3
    Vaccination site erythema
         subjects affected / exposed
    1 / 72 (1.39%)
    1 / 12 (8.33%)
         occurrences all number
    2
    1
    Vaccination site induration
         subjects affected / exposed
    6 / 72 (8.33%)
    0 / 12 (0.00%)
         occurrences all number
    7
    0
    Vaccination site reaction
         subjects affected / exposed
    5 / 72 (6.94%)
    2 / 12 (16.67%)
         occurrences all number
    5
    3
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    2 / 72 (2.78%)
    1 / 12 (8.33%)
         occurrences all number
    2
    1
    Renal and urinary disorders
    Proteinuria
         subjects affected / exposed
    0 / 72 (0.00%)
    1 / 12 (8.33%)
         occurrences all number
    0
    1
    Musculoskeletal and connective tissue disorders
    Myalgia
         subjects affected / exposed
    2 / 72 (2.78%)
    1 / 12 (8.33%)
         occurrences all number
    2
    1
    Infections and infestations
    Bronchiolitis
         subjects affected / exposed
    0 / 72 (0.00%)
    1 / 12 (8.33%)
         occurrences all number
    0
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    21 Jun 2013
    Protocol V2.0 Initial approved protocol Belgium (BE)
    09 Jan 2014
    Protocol V2.1, Initial approved protocol the Netherlands (NL)
    11 Jul 2014
    protocol V3.0 , Approved for BE and NL
    14 Jul 2015
    Protocol V4.0, Approved for BE and NL
    22 Oct 2015
    Protocol V5.0, Approved for BE and NL
    21 Jan 2016
    Protocol V6.0, Approved for BE and NL
    24 Jun 2016
    Protocol V7.0, Approved for BE and NL
    05 Aug 2016
    Protocol V8.0, Initial approved protocol Germany (DE)
    27 Oct 2016
    Protocol V9.0, Approved for BE, NL and DE

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

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