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    Clinical Trial Results:
    Neoadjuvant therapy for postmenopausal women with ER and/or PgR positive breast cancer. A randomized open phase II trial evaluating the efficacy of a 6 months preoperative treatment with Letrozole (2.5 mg/day) with or without Zoledronic acid (4 mg every 4 weeks) - FEMZONE -

    Summary
    EudraCT number
    2004-004007-37
    Trial protocol
    DE  
    Global end of trial date
    03 Feb 2016

    Results information
    Results version number
    v2(current)
    This version publication date
    20 May 2017
    First version publication date
    03 Mar 2017
    Other versions
    v1
    Version creation reason
    Summary report(s)
    CZOL446GDE19

    Trial information

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    Trial identification
    Sponsor protocol code
    CZOL446GDE19
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    -
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Novartis Pharma AG
    Sponsor organisation address
    CH--4002, Basel, Switzerland,
    Public contact
    Clinical Disclosure Office, Novartis Pharma AG, 41 61-324-1111,
    Scientific contact
    Clinical Disclosure Office, Novartis Pharma AG, 41 61-324-1111,
    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
    03 Feb 2016
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    03 Feb 2016
    Global end of trial reached?
    Yes
    Global end of trial date
    03 Feb 2016
    Was the trial ended prematurely?
    Yes
    General information about the trial
    Main objective of the trial
    To show that the combination of letrozole (2.5 mg/day) and zoledronic acid (4 mg q4w, or dose-adjusted based on renal function) is superior to letrozole (2.5 mg/day) monotherapy with respect to tumor response after 6 months pre-operative treatment in postmenopausal patients with primary breast cancer. Tumor response was defined as complete response (CR) or partial response (PR) based on MRI- or mammography and/or sonography according to modified RECIST criteria.
    Protection of trial subjects
    The study was in compliance with the ethical principles derived from the Declaration of Helsinki and the International Conference on Harmonization (ICH) Good Clinical Practice (GCP) Guidelines. All the local regulatory requirements pertinent to safety of trial subjects were also followed during the conduct of the trial.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    31 May 2006
    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
    Germany: 168
    Worldwide total number of subjects
    168
    EEA total number of subjects
    168
    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)
    39
    From 65 to 84 years
    115
    85 years and over
    14

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    A total of 178 patients were screened for study eligibility at 27 study sites . Of these, 168 patients were randomized at 27 active centers and received treatment with either letrozole monotherapy (LET; N=79) or combination therapy with letrozole plus zoledronic acid (LET+ZOL; N=89).

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Subject, Investigator, Monitor, Data analyst, Carer, Assessor

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Letrozole (LET)
    Arm description
    Letrozole 2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvent treatment.
    Arm type
    Experimental

    Investigational medicinal product name
    Letrozole
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Coated tablet
    Routes of administration
    Oral use
    Dosage and administration details
    2.5 mg/day

    Arm title
    Letrozole +Zoledronic Acid (LET+ZOL)
    Arm description
    2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvant treatment plus zoledronic acid 4 mg i.v. q4w
    Arm type
    Experimental

    Investigational medicinal product name
    Zoledronic Acid
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    4 mg i.v. q4w

    Investigational medicinal product name
    Letrozole
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Coated tablet
    Routes of administration
    Oral use
    Dosage and administration details
    2.5 mg /day

    Number of subjects in period 1
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Started
    79
    89
    Completed
    67
    74
    Not completed
    12
    15
         Consent withdrawn by subject
    6
    1
         Adverse event, non-fatal
    1
    6
         Abnormal Laboratory Value(s)
    1
    1
         Administrative Problems
    -
    1
         Lack of efficacy
    4
    4
         Protocol deviation
    -
    2

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Letrozole (LET)
    Reporting group description
    Letrozole 2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvent treatment.

    Reporting group title
    Letrozole +Zoledronic Acid (LET+ZOL)
    Reporting group description
    2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvant treatment plus zoledronic acid 4 mg i.v. q4w

    Reporting group values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL) Total
    Number of subjects
    79 89 168
    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)
    19 20 39
        From 65-84 years
    54 61 115
        85 years and over
    6 8 14
    Age Continuous
    Units: years
        arithmetic mean (standard deviation)
    70.5 ( 8.4 ) 71.3 ( 9.2 ) -
    Gender, Male/Female
    Units: Subjects
        Female
    79 89 168
        Male
    0 0 0

    End points

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    End points reporting groups
    Reporting group title
    Letrozole (LET)
    Reporting group description
    Letrozole 2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvent treatment.

    Reporting group title
    Letrozole +Zoledronic Acid (LET+ZOL)
    Reporting group description
    2.5 mg/day oral letrozole for approximately 6.5 months neoadjuvant treatment plus zoledronic acid 4 mg i.v. q4w

    Primary: Tumor response rate (complete response (CR) or partial response (PR)) based on MRI- or mammography and/or sonography according to modified RECIST criteria at month 6

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    End point title
    Tumor response rate (complete response (CR) or partial response (PR)) based on MRI- or mammography and/or sonography according to modified RECIST criteria at month 6
    End point description
    Sum of longest diameter for all target lesions was reported as baseline sum LD. Baseline sum LD was used as reference to characterize objective tumor response. Response Evaluation Criteria in Solid Tumors has 4 response categories. CR (complete response) = disappearance of all target lesions, PR (partial response)= 30% decrease in sum of longest diameter of target lesions, PD (progressive disease) = 20% increase in the sum of the longest diameter of target lesions and SD(stable disease)=small changes that do not meet criteria. Analysis was underpowered due to insufficient recruitment rate.
    End point type
    Primary
    End point timeframe
    6 months
    End point values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects analysed
    66
    65
    Units: percentage of participants
        number (confidence interval 95%)
    54.5 (41.8 to 66.9)
    69.2 (56.6 to 80.1)
    Statistical analysis title
    letrozole vs. letrozole+zoledronic acid
    Comparison groups
    Letrozole (LET) v Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects included in analysis
    131
    Analysis specification
    Pre-specified
    Analysis type
    P-value
    = 0.106
    Method
    Fisher exact
    Parameter type
    Odds ratio (OR)
    Point estimate
    14.7
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    -1.8
         upper limit
    31.1

    Secondary: Best RECIST response based on central review

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    End point title
    Best RECIST response based on central review
    End point description
    Best response is defined as the best response the patients has reached during the 6 months of treatment. Response Evaluation Criteria in Solid Tumors (RECIST) has 4 response categories. CR (complete response) = disappearance of all target lesions, PR (partial response) = 30% decrease in the sum of the longest diameter of target lesions, PD (progressive disease) = 20% increase in the sum of the longest diameter of target lesions and SD (stable disease) = small changes that do not meet criteria.
    End point type
    Secondary
    End point timeframe
    6 Months
    End point values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects analysed
    66
    65
    Units: Participants
        Complete Response (CR)
    0
    2
        at least Paratial Response (PR)
    36
    43
        at least Stable Disease (SD)
    30
    19
        Progressive Disease
    0
    1
    No statistical analyses for this end point

    Secondary: Number of patients with breast conserving surgery

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    End point title
    Number of patients with breast conserving surgery
    End point description
    End point type
    Secondary
    End point timeframe
    Every 6 months
    End point values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects analysed
    75
    81
    Units: Participants
        Surgery performed
    66
    77
        Radical mastectomy
    10
    12
        Modfied radical mastectomy
    3
    8
        Lumpectomy/Quadrantectomy
    50
    56
        Lumpectomy/Quadrantectomy + Other
    1
    1
        Other
    2
    0
    No statistical analyses for this end point

    Secondary: Change from Baseline in Tumor Size (longest diameter) at Month 6

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    End point title
    Change from Baseline in Tumor Size (longest diameter) at Month 6
    End point description
    Tumor size (sum of longest diameter)was analyzed based on the diameters values provided with the central review.
    End point type
    Secondary
    End point timeframe
    Baseline, Month 6
    End point values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects analysed
    66
    65
    Units: cm
        arithmetic mean (standard deviation)
    -1.12 ( 0.92 )
    -1.37 ( 0.96 )
    No statistical analyses for this end point

    Secondary: Mean changes in FACT-B total score over time (ITT, data as observed)

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    End point title
    Mean changes in FACT-B total score over time (ITT, data as observed)
    End point description
    The FACT-B total score is calculated by summing all five unweighted subscale scores, with total scores in the range of 0–144.To Derive a FACT-B total score: all sections added together The higher the score the better the QoL _________ + __________ + __________ + __________ + __________ =________=FACT-B Total score (PWB score) (SWB score) (EWB score) (FWB score) (BCS score)
    End point type
    Secondary
    End point timeframe
    baseline and 6 mos
    End point values
    Letrozole (LET) Letrozole +Zoledronic Acid (LET+ZOL)
    Number of subjects analysed
    67
    68
    Units: score on a scale
    arithmetic mean (standard deviation)
        Baseline (n=67,68)
    113.3 ( 16.6 )
    109.5 ( 20.2 )
        Month 6 (n=64,58)
    112 ( 19.6 )
    108.2 ( 20.5 )
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Timeframe for AE: AEs were collected from First Subject First Visit (FSFV) until Last Subject Last Visit (LSLV). All AEs reported in this record were from date of First Subject First Treatment until LSLV.
    Adverse event reporting additional description
    AE additional description
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    13.1
    Reporting groups
    Reporting group title
    Letrozole
    Reporting group description
    Letrozole

    Reporting group title
    Letrozole plus zoledronic acid
    Reporting group description
    Letrozole plus zoledronic acid

    Serious adverse events
    Letrozole Letrozole plus zoledronic acid
    Total subjects affected by serious adverse events
         subjects affected / exposed
    3 / 79 (3.80%)
    14 / 89 (15.73%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Benign ovarian tumour
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Contralateral breast cancer
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Vascular disorders
    Arterial insufficiency
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Haematoma
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Venous thrombosis
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General disorders and administration site conditions
    General physical health deterioration
         subjects affected / exposed
    0 / 79 (0.00%)
    3 / 89 (3.37%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Performance status decreased
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Swelling
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Pulmonary embolism
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Rhonchi
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Investigations
    Blood sodium decreased
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Injury, poisoning and procedural complications
    Accident
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ankle fracture
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Contusion
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Fall
         subjects affected / exposed
    0 / 79 (0.00%)
    4 / 89 (4.49%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 4
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Femoral neck fracture
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Head injury
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Joint dislocation
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Seroma
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cardiac disorders
    Atrial fibrillation
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nervous system disorders
    Amnesia
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cerebrovascular accident
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Dementia
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Dizziness
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Loss of consciousness
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Thrombocytopenia
         subjects affected / exposed
    1 / 79 (1.27%)
    0 / 89 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ear and labyrinth disorders
    Vertigo
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Abdominal pain lower
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastric ulcer perforation
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ileus
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nausea
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    1 / 79 (1.27%)
    0 / 89 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Osteochondrosis
         subjects affected / exposed
    1 / 79 (1.27%)
    0 / 89 (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
    Appendicitis perforated
         subjects affected / exposed
    1 / 79 (1.27%)
    0 / 89 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Bronchitis
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Wound infection
         subjects affected / exposed
    0 / 79 (0.00%)
    1 / 89 (1.12%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Letrozole Letrozole plus zoledronic acid
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    56 / 79 (70.89%)
    67 / 89 (75.28%)
    Vascular disorders
    Hot flush
         subjects affected / exposed
    25 / 79 (31.65%)
    19 / 89 (21.35%)
         occurrences all number
    26
    20
    Nervous system disorders
    Headache
         subjects affected / exposed
    8 / 79 (10.13%)
    8 / 89 (8.99%)
         occurrences all number
    12
    8
    General disorders and administration site conditions
    Chills
         subjects affected / exposed
    0 / 79 (0.00%)
    5 / 89 (5.62%)
         occurrences all number
    0
    5
    Fatigue
         subjects affected / exposed
    13 / 79 (16.46%)
    20 / 89 (22.47%)
         occurrences all number
    14
    21
    Pyrexia
         subjects affected / exposed
    1 / 79 (1.27%)
    5 / 89 (5.62%)
         occurrences all number
    1
    5
    Ear and labyrinth disorders
    Vertigo
         subjects affected / exposed
    4 / 79 (5.06%)
    4 / 89 (4.49%)
         occurrences all number
    4
    4
    Gastrointestinal disorders
    Constipation
         subjects affected / exposed
    6 / 79 (7.59%)
    3 / 89 (3.37%)
         occurrences all number
    6
    3
    Diarrhoea
         subjects affected / exposed
    7 / 79 (8.86%)
    10 / 89 (11.24%)
         occurrences all number
    8
    10
    Dry mouth
         subjects affected / exposed
    5 / 79 (6.33%)
    0 / 89 (0.00%)
         occurrences all number
    5
    0
    Nausea
         subjects affected / exposed
    8 / 79 (10.13%)
    12 / 89 (13.48%)
         occurrences all number
    8
    13
    Skin and subcutaneous tissue disorders
    Alopecia
         subjects affected / exposed
    3 / 79 (3.80%)
    9 / 89 (10.11%)
         occurrences all number
    3
    9
    Pruritus
         subjects affected / exposed
    4 / 79 (5.06%)
    3 / 89 (3.37%)
         occurrences all number
    4
    4
    Psychiatric disorders
    Depression
         subjects affected / exposed
    3 / 79 (3.80%)
    6 / 89 (6.74%)
         occurrences all number
    3
    6
    Insomnia
         subjects affected / exposed
    3 / 79 (3.80%)
    6 / 89 (6.74%)
         occurrences all number
    3
    6
    Sleep disorder
         subjects affected / exposed
    5 / 79 (6.33%)
    1 / 89 (1.12%)
         occurrences all number
    5
    1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    16 / 79 (20.25%)
    18 / 89 (20.22%)
         occurrences all number
    17
    22
    Back pain
         subjects affected / exposed
    3 / 79 (3.80%)
    5 / 89 (5.62%)
         occurrences all number
    3
    5
    Bone pain
         subjects affected / exposed
    7 / 79 (8.86%)
    19 / 89 (21.35%)
         occurrences all number
    7
    19
    Muscle spasms
         subjects affected / exposed
    0 / 79 (0.00%)
    5 / 89 (5.62%)
         occurrences all number
    0
    5
    Myalgia
         subjects affected / exposed
    5 / 79 (6.33%)
    4 / 89 (4.49%)
         occurrences all number
    5
    5
    Pain in extremity
         subjects affected / exposed
    2 / 79 (2.53%)
    5 / 89 (5.62%)
         occurrences all number
    2
    5
    Infections and infestations
    Nasopharyngitis
         subjects affected / exposed
    7 / 79 (8.86%)
    4 / 89 (4.49%)
         occurrences all number
    7
    4
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    3 / 79 (3.80%)
    5 / 89 (5.62%)
         occurrences all number
    3
    5

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    29 Oct 2007
    Adjustment of the time frame between tumor assessment and randomization to clinical routine: A time window of 4 weeks of the tumor assessment until randomization was now permitted instead of 3 weeks. Alternative method for tumor assessment: MRI mammography was additionally allowed. The chosen method at Baseline however, was to be used throughout the entire study period. Change in the number of blood samples taken for the pharmacogenetics substudy: For the analyses of gene expression and polymorphisms one blood sample was considered sufficient. This blood sample should preferably be collected at the baseline visit, but could be taken at any time during the course of the study. Adjustment of timelines to the current enrollment rate.
    29 Oct 2007
    Amendment 2 (release date 29-OCT-2007) was introduced to give patients enrolled in this study the opportunity to additionally participate in the SENTINA-substudy (a multicenter study across various main studies to evaluate sentinel node biopsy within the context of neoadjuvant therapy concepts in breast cancer). Eventually, no FEMZONE patients were enrolled in the SENTINA substudy.
    08 Jan 2010
    Update of the adverse effects of letrozole and zoledronic acid as well as some other minor administrative updates in the patient information and IC form.  Announcement of the premature stop of study enrollment in June 2010 due to the slow enrollment rate with the expectation to have at least 200 patients enrolled at that time.  Adjustment of the time frame between tumor assessment and randomization to clinical routine: A time window of 6 weeks of the tumor assessment until randomization was now permitted instead of 4 weeks as per Amendment 1 (and 3 weeks according to the original study protocol). Adjustment of timelines to the current enrolment rate.

    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.
    Study terminated after 178 patients screened and 168 randomized, due to insufficient recruitment rate (no safety issues decided the reason to terminate study). LPLV for study was on 13-DEC-2010. LPLV of the 5-year follow-up period was on 03-FEB-2016.
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    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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