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An Observational Study of First-Line Capecitabine Based Chemotherapy in Participants With Metastatic Colorectal Cancer

Program for Assessment of Capecitabine (Xeloda) Based First-line Therapies in Metastatic Colorectal Cancer (AXEL Study)

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01696695
Acronym
AXEL
Enrollment
882
Registered
2012-10-01
Start date
2011-07-31
Completion date
2014-12-31
Last updated
2017-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal Cancer

Brief summary

This observational study will evaluate the efficacy and safety of different capecitabine based chemotherapies, alone or in combination with other therapies, as first line treatment of metastatic colorectal cancer in participants during everyday clinical practice.

Interventions

DRUGCapecitabine

First line capecitabine based oral tablet treatment in line with the effective Summary of Product Characteristics

DRUGChemotherapy

First line chemotherapy according to effective official Summary of Product Characteristics. The study protocol does not specify any particular therapy.

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Participants with newly diagnosed mCRC who have started first-line capecitabine-based chemotherapy in accordance with the current Hungarian label

Exclusion criteria

* History of serious or unexpected reaction to fluoropyrimidine therapy * Hypersensitivity to the active ingredient of Xeloda or to any of the excipients of the product, or to fluorouracil * Known dihydropyrimidine dehydrogenase deficiency * Pregnancy or lactation * Inadequate bone marrow, hepatic or renal function * Treatment with sorivudine or its chemical analogues (for example, brivudine) * If any contraindication for any drug used in the combination treatment schedules is present, the drug in question cannot be used

Design outcomes

Primary

MeasureTime frameDescription
Median Progression-free Survival (PFS)Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254PFS was assessed using Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) and is defined as the time from the first dose of indicated treatment to disease progression (PD) or death, whichever occurred first. Participants who did not progress or died while being followed were censored on the date of the last visit. Participants without post-baseline tumor assessments were conservatively censored on the date of first study medication, which is PFS was assigned a value of 1 day. PD: at least 20 percent (%) increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 millimeter (mm); progression of existing non-target lesions; or presence of new lesions. Median PFS was estimated using Kaplan-Meier method.
PFS by Therapeutic RegimensBaseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254PFS was assessed using RECIST v1.1 and is defined as the time from the first dose of indicated treatment to PD or death, whichever occurred first. Participants who did not progress or died while being followed were censored on the date of the last visit. PD: at least 20% increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 mm; progression of existing non-target lesions; or presence of new lesions. Median PFS was estimated using Kaplan-Meier method.

Secondary

MeasureTime frameDescription
Percentage of Participants Who Underwent MetastasectomyBaseline up to 1254 daysMetastasectomy is the surgical removal of metastases, which are secondary cancerous growths that have spread from cancer originating in another organ in the body.
Percentage of Participants With Overall Response as Assessed by Investigator Using RECIST v1.1Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254Overall response is defined as a complete response (CR) or a partial response (PR) as determined by the Investigator using RECIST v1.1 on 2 consecutive occasions at least 6 weeks apart. Participants were evaluated for tumor response per RECIST v1.1 and assessed by computed tomography (CT) or magnetic resonance imaging (MRI):CR was defined as complete disappearance of all target lesions and non-target disease, with the exception of nodal disease. All nodes, both target and non-target, must decrease to normal (short axis less than (\<) 10 mm). No new lesions.PR was defined as greater than or equal to (\>=) 30% decrease under baseline of the sum of diameters of all target lesions. The short axis was used in the sum for target nodes, while the longest diameter was used in the sum for all other target lesions. No unequivocal progression of non-target disease. No new lesions.
Percentage of Participants With Dose Modification of CapecitabineBaseline up to 1254 days
Mean Duration of Capecitabine TherapyBaseline up to 1254 days
Percentage of Participants With Clinical Benefit as Assessed Using RECIST v1.1Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254Clinical benefit was defined as having a confirmed CR, PR or stable disease (SD) for at least 24 weeks on study according to RECIST v1.1.CR: complete disappearance of all target lesions and non-target disease,with the exception of nodal disease.All nodes,both target and non-target, must decrease to normal (short axis \<10 mm).No new lesions.PR: \>=30% decrease under baseline of the sum of diameters of all target lesions.The short axis was used in the sum for target nodes,while the longest diameter was used in the sum for all other target lesions.No unequivocal progression of non-target disease.No new lesions.SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD,taking as reference the smallest sum diameters while on study.PD:at least 20% increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 mm, progression of existing non-target lesions,or presence of new lesions.

Countries

Hungary

Participant flow

Participants by arm

ArmCount
mCRC Participants
Newly diagnosed mCRC participants, who received first line capecitabine based chemotherapy according to effective official Summary of Product Characteristics, were observed. The choice of therapy was based on exclusively the medical decision of the treating physician before study enrollment. The study protocol did not enforce treatment initiation and also did not specify any treatment regimen.
690
Total690

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event74
Overall StudyDeath29
Overall StudyDisease progression373
Overall StudyLost to Follow-up48
Overall StudyMajor Protocol Violation192
Overall StudyOther74
Overall StudyWithdrawal by Subject92

Baseline characteristics

CharacteristicmCRC Participants
Age, Continuous64.9 years
STANDARD_DEVIATION 10.51
Sex: Female, Male
Female
289 Participants
Sex: Female, Male
Male
401 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
140 / 882
serious
Total, serious adverse events
55 / 882

Outcome results

Primary

Median Progression-free Survival (PFS)

PFS was assessed using Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) and is defined as the time from the first dose of indicated treatment to disease progression (PD) or death, whichever occurred first. Participants who did not progress or died while being followed were censored on the date of the last visit. Participants without post-baseline tumor assessments were conservatively censored on the date of first study medication, which is PFS was assigned a value of 1 day. PD: at least 20 percent (%) increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 millimeter (mm); progression of existing non-target lesions; or presence of new lesions. Median PFS was estimated using Kaplan-Meier method.

Time frame: Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254

Population: ITT Population

ArmMeasureValue (MEDIAN)
mCRC ParticipantsMedian Progression-free Survival (PFS)254 Days
Primary

PFS by Therapeutic Regimens

PFS was assessed using RECIST v1.1 and is defined as the time from the first dose of indicated treatment to PD or death, whichever occurred first. Participants who did not progress or died while being followed were censored on the date of the last visit. PD: at least 20% increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 mm; progression of existing non-target lesions; or presence of new lesions. Median PFS was estimated using Kaplan-Meier method.

Time frame: Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254

Population: ITT Population. Here, number (n)= number of participants evaluable for the specified therapeutic regimen.

ArmMeasureGroupValue (MEDIAN)
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine monotherapy (n=246)194 Days
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine + bevacizumab (n=25)391 Days
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine + irinotecan (n=106)242 Days
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine + irinotecan + bevacizumab (n= 91)392 Days
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine + oxaliplatin (n=173)240 Days
mCRC ParticipantsPFS by Therapeutic RegimensCapecitabine + oxaliplatin + bevacizumab (n= 49)392 Days
Secondary

Mean Duration of Capecitabine Therapy

Time frame: Baseline up to 1254 days

Population: ITT Population. Here, N (number of participants analyzed) indicates the total number of participants who provided evaluable data for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
mCRC ParticipantsMean Duration of Capecitabine Therapy188.8 DaysStandard Deviation 171.71
Secondary

Percentage of Participants Who Underwent Metastasectomy

Metastasectomy is the surgical removal of metastases, which are secondary cancerous growths that have spread from cancer originating in another organ in the body.

Time frame: Baseline up to 1254 days

Population: ITT Population. Here, N (number of participants analyzed) indicates the total number of participants who provided evaluable data for this outcome measure.

ArmMeasureValue (NUMBER)
mCRC ParticipantsPercentage of Participants Who Underwent Metastasectomy6.2 Percentage of participants
Secondary

Percentage of Participants With Clinical Benefit as Assessed Using RECIST v1.1

Clinical benefit was defined as having a confirmed CR, PR or stable disease (SD) for at least 24 weeks on study according to RECIST v1.1.CR: complete disappearance of all target lesions and non-target disease,with the exception of nodal disease.All nodes,both target and non-target, must decrease to normal (short axis \<10 mm).No new lesions.PR: \>=30% decrease under baseline of the sum of diameters of all target lesions.The short axis was used in the sum for target nodes,while the longest diameter was used in the sum for all other target lesions.No unequivocal progression of non-target disease.No new lesions.SD: neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD,taking as reference the smallest sum diameters while on study.PD:at least 20% increase in the sum of diameters of target lesions compared to the smallest sum of diameters on-study and absolute increase of at least 5 mm, progression of existing non-target lesions,or presence of new lesions.

Time frame: Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254

Population: ITT Population.

ArmMeasureValue (NUMBER)
mCRC ParticipantsPercentage of Participants With Clinical Benefit as Assessed Using RECIST v1.182.9 Percentage of participants
Secondary

Percentage of Participants With Dose Modification of Capecitabine

Time frame: Baseline up to 1254 days

Population: ITT Population.

ArmMeasureValue (NUMBER)
mCRC ParticipantsPercentage of Participants With Dose Modification of Capecitabine85.6 Percentage of participants
Secondary

Percentage of Participants With Overall Response as Assessed by Investigator Using RECIST v1.1

Overall response is defined as a complete response (CR) or a partial response (PR) as determined by the Investigator using RECIST v1.1 on 2 consecutive occasions at least 6 weeks apart. Participants were evaluated for tumor response per RECIST v1.1 and assessed by computed tomography (CT) or magnetic resonance imaging (MRI):CR was defined as complete disappearance of all target lesions and non-target disease, with the exception of nodal disease. All nodes, both target and non-target, must decrease to normal (short axis less than (\<) 10 mm). No new lesions.PR was defined as greater than or equal to (\>=) 30% decrease under baseline of the sum of diameters of all target lesions. The short axis was used in the sum for target nodes, while the longest diameter was used in the sum for all other target lesions. No unequivocal progression of non-target disease. No new lesions.

Time frame: Baseline until disease progression, death, unacceptable toxicity, or withdrawal of consent, whichever occurred first, evaluated up to Day 1254

Population: ITT population.

ArmMeasureValue (NUMBER)
mCRC ParticipantsPercentage of Participants With Overall Response as Assessed by Investigator Using RECIST v1.124.3 Percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026