Chronic Obstructive Pulmonary DiseaseCHOROS ORIONNCT05862545
Outcomes in Real-life After Initation of Treatment With Trixeo (Budesonide / Glycopyrronium / Formoterol)
An observational study of Chronic Obstructive Pulmonary Disease, run by AstraZeneca at 20 sites in Italy.
Trial summary
The aim of the CHOROS ORION study is to describe patients' clinical and self-reported outcomes of treatment with BGF in Italy through effectiveness, clinical and self-reported measures assessed pre- and post-treatment initiation, up to one year of observation period. Read more about this study
- Who is it for?
- Ages 40 to 120 years
- Conditions the study is for
- Chronic Obstructive Pulmonary Disease
- What is being tested?
- BGF (budesonide/glycopyrrolate/formoterol fumarate)
- How many people
- 250 participants
- Where
- 20 sitesItaly
- Study dates
- 1 Jun 2023to 31 May 2025
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 40 to 120 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: The study population consists of adult patients with moderate to severe COPD who are eligible for BGF therapy, enrolled consecutively by physicians in specialist setting. The decision to start treatment with BGF must be made by the treating physician according to the subjects' medical need and a positive benefit/risk balance. The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guidelines.
Who may be able to join
- Male or female, aged >= 40;
- Physician-diagnosed COPD;
- Signed written informed and privacy consent prior to study participation;
- Patients starting treatment with BGF as prescribed according to the label, local market reimbursement criteria, and AIFA Nota 99;
- Patients must be able and willing to read and to comprehend written instructions, and to comprehend and complete the questionnaires required by the protocol.
Who cannot join
- COPD due to documented α-1 antitrypsin deficiency;
- Patients with controlled COPD treated with triple fixed-dose combination in 12 months prior to screening visits;
- Hospitalisation due to COPD exacerbation within the last 30 days prior to enrolment;
- Pregnancy or lactation period;
- Participation in a non-interventional observational trial that might, in the investigator's opinion, influence the assessment for the current study, or participation in any interventional, observational or clinical trial in the last 30 days prior to enrolment.
Trial locations and contacts
20 sites in 1 country.
20 sites in 1 country
Italy20 sites
Research Site
Acquaviva delle Fonti
Research Site
Alessandria
Research Site
Ancona
Research Site
Avellino
Research Site
Brescia
Research Site
Brindisi
Research Site
Busto Arsizio (Varese)
Research Site
Catania
Research Site
Catanzaro
Research Site
Cittadella (Padova)
Research Site
Florence
Research Site
Foggia
Research Site
Lecce
Research Site
Naples
Research Site
Passirana (Milano)
Research Site
Pavia
Research Site
Roma
Research Site
Torino
Research Site
Treviso
Research Site
Verona
About this study
Official title: Outcomes in Real-life After Initation Of treatmeNt With Trixeo (Budesonide / Glycopyrronium / Formoterol), a Non-interventional, Multi-centre, Prospective Cohort Study in Italian Routine Care Setting
The aim of the CHOROS ORION study is to describe patients' clinical and self-reported outcomes of treatment with BGF in Italy through effectiveness, clinical and self-reported measures assessed pre- and post-treatment initiation, up to one year of observation period. The study will focus primarily on the change in self-perceived health status in the first 12 weeks of treatment. This will allow to assess the short-term impact of treatment, thus contributing to fill the gap of knowledge from the current available medical literature. Moreover, in order to provide also a broader view, patients will be followed up to 52 weeks, where possible. The study results will be interpreted in the context of an observational study design where multiple factors, in addition to the new treatment, may contribute to the treatment effect.
Read the detailed description
The therapeutic goal of chronic obstructive pulmonary disease (COPD) management is mainly reduction of symptoms and severity of exacerbations.Triple therapy (the combination of an ICS, a LABA and a LAMA) in a single fixed-dose combination is a valuable development in the treatment of COPD. On top of treatment adherence enhancement [Gaduzo et al., 2019], trials showed triple therapy improving lung function, Patients-Reported Outcomes (PROs), health-related quality of life, as well as lowering exacerbations and hospitalization rate compared to dual or mono-therapy [Bourbeau et al., 2021; Zheng et al, 2018].
Budesonide/glycopyrrolate/formoterol fumarate, hereafter BGF, is a maintenance treatment in adult patients with moderate to severe COPD who are not adequately treated by a combination of an ICS and a LABA, or a combination of a LABA and a LAMA. The availability of single-inhaler triple therapies in routine care may improve symptoms control, reduce exacerbation rate and COPD-related healthcare costs, thus leading to an improvement in patient health status and quality of life. However, real-world studies focusing on PROs are still limited.
The aim of the CHOROS ORION study is to describe patients' clinical and self-reported outcomes of treatment with BGF in Italy through effectiveness, clinical and self-reported measures assessed pre- and post-treatment initiation, up to one year of observation period. The study will focus primarily on the change in self-perceived health status in the first 12 weeks of treatment. This will allow to assess the short-term impact of treatment, thus contributing to fill the gap of knowledge from the current available medical literature. Moreover, in order to provide also a broader view, patients will be followed up to 52 weeks, where possible. The study results will be interpreted in the context of an observational study design where multiple factors, in addition to the new treatment, may contribute to the treatment effect.
- Conditions
- Chronic Obstructive Pulmonary Disease
- Being tested
- BGF (budesonide/glycopyrrolate/formoterol fumarate)
- Keywords
- Pulmonary Disease, Chronic Obstructive, Patient Reported Outcome Measures
- Medical subject headings
- Pulmonary Disease, Chronic Obstructive, Lung Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
BGF (budesonide/glycopyrrolate/formoterol fumarate)Drug
BGF is a maintenance treatment in adult patients with moderate to severe chronic obstructive pulmonary disease (COPD) who are not adequately treated by a combination of an ICS and a LABA, or a combination of a LABA and a LAMA. The decision to start treatment with BGF must be made by the treating physician according to the subjects' medical need and a positive benefit/risk balance. The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guidelines.
| Study group | Role | What they receive |
|---|---|---|
| COPD patients | Patients with COPD that start BGF treatment (The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guideline) Receives: Drug: BGF (budesonide/glycopyrrolate/formoterol fumarate) |
What is being measured
The primary outcome is the main question the study is designed to answer.
COPD Assessment Test (CAT) score
The change from baseline in COPD Assessment Test (CAT) score after 12 weeks treatment will be analysed using the within person difference between baseline and 12 weeks. Descriptive statistics (mean, median, standard deviation, interquartile range, minimum and maximum) will be provided. The mean change from baseline will be presented along with the 95% CI
Measured: baseline, 12 weeks after treatment start
Secondary outcomes (12)
Baseline features
To describe the baseline features of patients starting BGF treatment in a real-world setting, in terms of demographics and clinical characteristics, COPD treatment paths and healthcare resource utilization in the previous year.
Measured: Baseline
Impact of COPD on patients' life based on CAT
To describe the impact of COPD on patients' life, and how it changes over time during the observation period of treatment with BGF, administered as per routine clinical practice. COPD Assessment Test (CAT) questionnaire at baseline and after 26 and 52 weeks after BGF treatment start. In case of patient early withdrawal, CAT questionnaire will also be collected at the end of observation.
Measured: baseline, 26 and 52 weeks
Patients' satisfaction to BGF
9-item Treatment Satisfaction Questionnaire for Medication (TSQM-9) at baseline, 26 and 52 weeks from treatment start. In case of patient early withdrawal, TSQM-9 questionnaire will also be collected at the end of observation.
Measured: baseline, 26 and 52 weeks
Patient dyspnoea based on Modified Medical Research Council Dyspnoea Scale (mMRC)
To describe patient dyspnoea and how it changes over time during the observation period of treatment with BGF, administered as per routine clinical practice. Modified Medical Research Council Dyspnoea Scale (mMRC) questionnaire at baseline, 26 and 52 weeks from treatment start. In case of patient early withdrawal, mMRC questionnaire will also be collected at the end of observation.
Measured: Baseline, 26 and 52 weeks
Eosinophil count
To describe the eosinophil count during the observation period of treatment with BGF, administered as per routine clinical practice. Eosinophil count in peripheral blood at baseline visit, and 26- and 52-week visits, which will occur after BGF treatment start, where available.
Measured: baseline, 26 and 52 weeks
Responder Rate based on CAT
To describe the Responder Rate based on the CAT after 12 weeks of initiating treatment with BGF as per routine clinical practice. Number and rate of responders of the CAT [MID=2] after 12 weeks of BGF treatment.
Measured: 12 weeks
Overall change in health status based on Patient Global Impression of Severity (PGIS) questionnaire
To assess patient-reported overall change in health status since the start of study treatment and overall global impression of severity during the observation period of treatment with BGF as per routine clinical practice. Single-item patient severity of COPD symptoms using PGIS at baseline, 12, 26 and 52 weeks after BGF treatment start. In case of patient early withdrawal, PGIS questionnaire will also be collected at the end of observation.
Measured: Baseline, 12, 26 and 52 weeks
Exacerbation rate
To describe the occurrence of moderate - severe COPD exacerbations during the observation period of treatment with BGF, administered as per routine clinical practice. Number of moderate - severe COPD exacerbations, occurred during the BGF observation period and Annualized rate of moderate - severe COPD exacerbations during the BGF treatment observation period
Measured: 52 weeks
Lung function
Describe Lung function parameters as measured at baseline and 52-week visit, available as per routine clinical practice.
Measured: 52 weeks
OCS use
To describe the Oral Corticosteroids (OCS) use during the observation period of treatment with BGF, administered as per routine clinical practice, and in the previous year. OCS use during the observation period after BGF treatment start, and OCS use in the 52 weeks before BGF treatment start.
Measured: 52 weeks
HCRU
To describe the healthcare resource utilization related to COPD during the observation period of treatment with BGF, administered as per routine clinical practice, and in the previous year. The number of GP/specialist visits, ER admissions, and hospitalizations (along with duration) related to COPD during the BGF observation period and the 52 weeks prior baseline will be described. The annualised rate of utilization per each type will be calculated.
Measured: 52 weeks
Safety (frequency of all AEs, SAEs, AEs related to BGF and Special Situations during the observation period)
To describe safety profile of BGF during the observation period Absolute and relative frequency of all AEs, SAEs, AEs related to BGF and Special Situations during the observation period will be calculated. Moreover, the count of such events will be provided. Descriptive statistics will also be provided for severity, seriousness criteria (where applicable), relation grade with BGF, action taken and outcome.
Measured: 52 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted17 May 2023
- Study start1 Jun 2023
- Primary completion31 May 2025
- Study completion31 May 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Chronic Obstructive Pulmonary DiseaseStudies of the same condition, open and under way.
- More trials run by AstraZenecaThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Prospective
- Enrolment
- 250 participants (actual)
Sponsor and investigators
- Lead sponsor
- AstraZeneca
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05862545
- Sponsor's protocol ID
- D5980R00076
- Acronym
- CHOROS ORION
- Status last verified
- Mar 2026
- First submitted
- 8 May 2023
- Last updated
- 18 Mar 2026
- Results posted
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
Publications
Gaduzo S, McGovern V, Roberts J, Scullion JE, Singh D. When to use single-inhaler triple therapy in COPD: a practical approach for primary care health care professionals. Int J Chron Obstruct Pulmon Dis. 2019 Feb 13;14:391-401. doi: 10.2147/COPD.S173901. eCollection 2019.
PubMed 30863039Bourbeau J, Bafadhel M, Barnes NC, Compton C, Di Boscio V, Lipson DA, Jones PW, Martin N, Weiss G, Halpin DMG. Benefit/Risk Profile of Single-Inhaler Triple Therapy in COPD. Int J Chron Obstruct Pulmon Dis. 2021 Mar 1;16:499-517. doi: 10.2147/COPD.S291967. eCollection 2021.
PubMed 33688176Zheng Y, Zhu J, Liu Y, Lai W, Lin C, Qiu K, Wu J, Yao W. Triple therapy in the management of chronic obstructive pulmonary disease: systematic review and meta-analysis. BMJ. 2018 Nov 6;363:k4388. doi: 10.1136/bmj.k4388.
PubMed 30401700
Study at a glance
From the registry record, last updated by the sponsor on 18 Mar 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Outcomes in Real-life After Initation Of treatmeNt With Trixeo (Budesonide / Glycopyrronium / Formoterol), a Non-interventional, Multi-centre, Prospective Cohort Study in Italian Routine Care Setting
- ClinicalTrials.gov ID
- NCT05862545
- Acronym / sponsor ID
- CHOROS ORION / D5980R00076
- Conditions
- Chronic Obstructive Pulmonary Disease
- Keywords
- Pulmonary Disease, Chronic Obstructive, Patient Reported Outcome Measures
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 250 participants (actual)
- Lead sponsor
- AstraZenecaIndustry (pharma, biotech, devices)
- Study start
- 1 Jun 2023 (actual)
- Primary completion
- 31 May 2025 (actual)
- Study completion
- 31 May 2025 (actual)
- First posted
- 17 May 2023 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of the CHOROS ORION study is to describe patients' clinical and self-reported outcomes of treatment with BGF in Italy through effectiveness, clinical and self-reported measures assessed pre- and post-treatment initiation, up to one year of observation period. The study will focus primarily on the change in self-perceived health status in the first 12 weeks of treatment. This will allow to assess the short-term impact of treatment, thus contributing to fill the gap of knowledge from the current available medical literature. Moreover, in order to provide also a broader view, patients will be followed up to 52 weeks, where possible. The study results will be interpreted in the context of an observational study design where multiple factors, in addition to the new treatment, may contribute to the treatment effect.
Detailed description
The therapeutic goal of chronic obstructive pulmonary disease (COPD) management is mainly reduction of symptoms and severity of exacerbations.Triple therapy (the combination of an ICS, a LABA and a LAMA) in a single fixed-dose combination is a valuable development in the treatment of COPD. On top of treatment adherence enhancement [Gaduzo et al., 2019], trials showed triple therapy improving lung function, Patients-Reported Outcomes (PROs), health-related quality of life, as well as lowering exacerbations and hospitalization rate compared to dual or mono-therapy [Bourbeau et al., 2021; Zheng et al, 2018].
Budesonide/glycopyrrolate/formoterol fumarate, hereafter BGF, is a maintenance treatment in adult patients with moderate to severe COPD who are not adequately treated by a combination of an ICS and a LABA, or a combination of a LABA and a LAMA. The availability of single-inhaler triple therapies in routine care may improve symptoms control, reduce exacerbation rate and COPD-related healthcare costs, thus leading to an improvement in patient health status and quality of life. However, real-world studies focusing on PROs are still limited.
The aim of the CHOROS ORION study is to describe patients' clinical and self-reported outcomes of treatment with BGF in Italy through effectiveness, clinical and self-reported measures assessed pre- and post-treatment initiation, up to one year of observation period. The study will focus primarily on the change in self-perceived health status in the first 12 weeks of treatment. This will allow to assess the short-term impact of treatment, thus contributing to fill the gap of knowledge from the current available medical literature. Moreover, in order to provide also a broader view, patients will be followed up to 52 weeks, where possible. The study results will be interpreted in the context of an observational study design where multiple factors, in addition to the new treatment, may contribute to the treatment effect.
Study design
- Observational model
- Case only
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| COPD patients | – | Drug: BGF (budesonide/glycopyrrolate/formoterol fumarate)Patients with COPD that start BGF treatment (The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guideline) |
Who may qualify
- Ages
- 40 to 120 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- The study population consists of adult patients with moderate to severe COPD who are eligible for BGF therapy, enrolled consecutively by physicians in specialist setting. The decision to start treatment with BGF must be made by the treating physician according to the subjects' medical need and a positive benefit/risk balance. The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guidelines.
Key inclusion criteria (5 listed)
- Male or female, aged >= 40;
- Physician-diagnosed COPD;
- Signed written informed and privacy consent prior to study participation;
- Patients starting treatment with BGF as prescribed according to the label, local market reimbursement criteria, and AIFA Nota 99;
- Patients must be able and willing to read and to comprehend written instructions, and to comprehend and complete the questionnaires required by the protocol.
Key exclusion criteria (5 listed)
- COPD due to documented α-1 antitrypsin deficiency;
- Patients with controlled COPD treated with triple fixed-dose combination in 12 months prior to screening visits;
- Hospitalisation due to COPD exacerbation within the last 30 days prior to enrolment;
- Pregnancy or lactation period;
- Participation in a non-interventional observational trial that might, in the investigator's opinion, influence the assessment for the current study, or participation in any interventional, observational or clinical trial in the last 30 days prior to enrolment.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| BGF (budesonide/glycopyrrolate/formoterol fumarate)BGF is a maintenance treatment in adult patients with moderate to severe chronic obstructive pulmonary disease (COPD) who are not adequately treated by a combination of an ICS and a LABA, or a combination of a LABA and a LAMA. The decision to start treatment with BGF must be made by the treating physician according to the subjects' medical need and a positive benefit/risk balance. The decision to prescribe BGF must be independent of enrolment into the study, must be determined by the treating physician and should be taken according to the standard of current best medical practice and national guidelines. | Drug | COPD patients |
Primary outcome
COPD Assessment Test (CAT) score
Time frame: baseline, 12 weeks after treatment start
The change from baseline in COPD Assessment Test (CAT) score after 12 weeks treatment will be analysed using the within person difference between baseline and 12 weeks. Descriptive statistics (mean, median, standard deviation, interquartile range, minimum and maximum) will be provided. The mean change from baseline will be presented along with the 95% CI
12 secondary outcomes
Baseline features
Time frame: Baseline
Impact of COPD on patients' life based on CAT
Time frame: baseline, 26 and 52 weeks
Patients' satisfaction to BGF
Time frame: baseline, 26 and 52 weeks
Patient dyspnoea based on Modified Medical Research Council Dyspnoea Scale (mMRC)
Time frame: Baseline, 26 and 52 weeks
Eosinophil count
Time frame: baseline, 26 and 52 weeks
Responder Rate based on CAT
Time frame: 12 weeks
Overall change in health status based on Patient Global Impression of Severity (PGIS) questionnaire
Time frame: Baseline, 12, 26 and 52 weeks
Exacerbation rate
Time frame: 52 weeks
Lung function
Time frame: 52 weeks
OCS use
Time frame: 52 weeks
HCRU
Time frame: 52 weeks
Safety (frequency of all AEs, SAEs, AEs related to BGF and Special Situations during the observation period)
Time frame: 52 weeks
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Mar 2026.
- Background: PubMed 30863039Gaduzo S, McGovern V, Roberts J, Scullion JE, Singh D. When to use single-inhaler triple therapy in COPD: a practical approach for primary care health care professionals. Int J Chron Obstruct Pulmon Dis. 2019 Feb 13;14:391-401. doi: 10.2147/COPD.S173901. eCollection 2019.
- Background: PubMed 33688176Bourbeau J, Bafadhel M, Barnes NC, Compton C, Di Boscio V, Lipson DA, Jones PW, Martin N, Weiss G, Halpin DMG. Benefit/Risk Profile of Single-Inhaler Triple Therapy in COPD. Int J Chron Obstruct Pulmon Dis. 2021 Mar 1;16:499-517. doi: 10.2147/COPD.S291967. eCollection 2021.
- Background: PubMed 30401700Zheng Y, Zhu J, Liu Y, Lai W, Lin C, Qiu K, Wu J, Yao W. Triple therapy in the management of chronic obstructive pulmonary disease: systematic review and meta-analysis. BMJ. 2018 Nov 6;363:k4388. doi: 10.1136/bmj.k4388.
- D5980R00076\_CSR synopsis\_RedactedLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
20 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Chronic Obstructive Pulmonary Disease, run by AstraZeneca at 20 sites in Italy.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 18 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 20 sites in Italy. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
COPD Assessment Test (CAT) score (time frame: baseline, 12 weeks after treatment start). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT05862545, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Mar 2026.