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Efficacy and Safety of Inhale...

Efficacy and Safety of Inhaled CMS in Bronchiectasis Subjects With Chronic P. Aeruginosa Infection. (PROMIS-I)

Last Updated: 2023-11-15

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

377 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-06-06

Study Completion Date

2021-04-09

Brief Summary

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The objective of the trial was to investigate the effect of the use of inhaled CMS, administered b.i.d. via a specific nebuliser for 12 months, compared to placebo in subjects with NCFB chronically infected with P. aeruginosa on the annualised frequency of pulmonary exacerbations.

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Detailed Description

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This was a randomised, multi-centre, double-blind, placebo-controlled, parallel group interventional trial in subjects with NCFB and chronic P. aeruginosa infection. Subjects were randomised to CMS or placebo in a 1:1 ratio. The study consisted of seven clinic visits over one year with a follow-up phone call two weeks after discontinuation of treatment. Additional clinic visits, where feasible,and weekly phone calls were conducted during or after pulmonary exacerbations (or any episodes of pneumonia) until resolution.

All planned and unscheduled visits were preferably performed at sites, whenever possible. If on site visits after Visit 2 could not be performed at site due to COVID-19, remote visits (e.g., by telephone) were permitted. Mandatory on site visits were kept for Screening Visit (Visit 1) and Randomisation (Visit 2). If the final visit (Visit 7) had to be conducted remotely, then subjects were asked to return to the clinic for on-site assessments at the earliest opportunity.

Conditions

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Non Cystic Fibrosis Bronchiectasis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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CMS (Colimesthate sodium)

Inhaled colistimethate sodium twice daily. The active pharmaceutical ingredient consisting of pure CMS one million international units (MIU) / 80 mg of CMS / 33 mg colistin base activity (CBA) was provided as a powder for nebuliser solution in 10R International Organization for Standardization (ISO) glass vials.

Group Type EXPERIMENTAL

CMS

Intervention Type DRUG

1 MIU equivalent to 80 mg colistimethate sodium diluted in 1 mL saline solution 0.45%. Investigational Medicinal Product (IMP) glass vials were shrink wrapped in opaque white plastic and provided in boxes of 30 vials (two weeks of b.i.d dosing).

The 1 MIU/mL CMS/0.45% saline solution was transferred from the glass vial into a specific nebuliser system fitted with a 0.3 mL medication chamber, for administration by inhalation. This delivered a nominal dose of 0.3 MIU/24 mg CMS (\~10 mg CBA) from the device.

The first dose of the IMP was administered at the site under the supervision of the site staff and subjects were instructed how to prepare and self-administer the IMP at home via a specific nebuliser system, b.i.d (morning and evening) over a period of 12 months.

At least 10 minutes (min) before each administration, an inhaled short-acting bronchodilator (e.g., salbutamol /albuterol), supplied by the Sponsor, could be taken to improve tolerability.

Placebo

Saline solution inhaled twice daily, provided and administered at the same way of the IMP.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

1 ml saline solution 0.45%. the placebo was made up of identical empty glass vials to which the same saline diluent was added in exactly the same way as the reconstitution of the active treatment by injecting the diluent through the rubber stopper. The glass vials were shrink wrapped with opaque white plastic to maintain the blind.

Interventions

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CMS

Intervention Type DRUG

Placebo

Intervention Type OTHER

Other Intervention Names

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Colistimethate Sodium Saline Solution

Eligibility Criteria

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Inclusion Criteria

1. are able and willing to give informed consent, following a detailed explanation of participation in the protocol and signed consent obtained;
2. aged 18 years or older of either gender;
3. diagnosed with NCFB by computerised tomography (CT) or high resolution CT (HRCT) as recorded in the subject's notes and this is their predominant condition being treated;
4. had at least 2 NCFB pulmonary exacerbations requiring oral or inhaled antibiotics or 1 NCFB pulmonary exacerbation requiring intravenous antibiotics in the 12 months preceding the Screening Visit (Visit 1) and had no NCFB pulmonary exacerbation with or without treatment during the period between Visit 1 and Visit 2;
5. have a documented history of P. aeruginosa infection ;
6. are clinically stable and have not required a change in pulmonary treatment for at least 30 days before the Screening Visit (Visit 1);
7. have pre-bronchodilator FEV1 ≥25% of predicted;
8. had a positive sputum culture for P. aeruginosa from an adequate sample taken at the Screening Visit (Visit 1) or during the screening period.

Exclusion Criteria

1. known bronchiectasis as a consequence of cystic fibrosis (CF);
2. known history of hypogammaglobulinaemia requiring treatment with immunoglobulin, unless fully replaced and considered immuno-competent by the Investigator;
3. myasthenia gravis or porphyria;
4. severe cardiovascular disease such as severe uncontrolled hypertension, ischaemic heart disease or cardiac arrhythmia and any other conditions that would confound the evaluation of safety, in the opinion of the Investigator;
5. had major surgery in the 3 months prior to Screening Visit (Visit 1) or planned inpatient major surgery during the study period;
6. receiving treatment for allergic bronchopulmonary aspergillosis (ABPA);
7. had massive haemoptysis (greater than or equal to 300 mL or requiring blood transfusion) in the preceding 4 weeks before Screening Visit (Visit 1) or between Visit 1 and Visit 2;
8. respiratory failure that would compromise patient safety or confound the evaluation of safety or efficacy of the study in the opinion of the Investigator;
9. current active malignancy, except for basal cell carcinoma or squamous cell carcinoma of the skin without metastases;
10. taking immunosuppressive medications (such as azathioprine, cyclosporine, tacrolimus, sirolimus, mycophenolate, rituximab), and/or anti-cytokine medications (such as anti IL-6 and anti-tumour alpha necrosis factor products) in the preceding year before the Screening Visit (Visit 1);
11. known history of human immunodeficiency virus (HIV);
12. current treatment for non-tuberculous mycobacterial (NTM) lung disease or tuberculosis;
13. known or suspected to be allergic or unable to tolerate colistimethate sodium (intravenous or inhaled) or other polymixins, including previous evidence of bronchial hyperreactivity following inhaled colistimethate sodium;
14. treatment with long term (≥ 30 days) prednisone at a dose greater than 15 mg a day (or equivalent dose of any other corticosteroid) within six months of the Screening Visit (Visit 1)
15. new maintenance treatment with any oral macrolides (e.g. azithromycin/erythromycin/clarithromycin) started within 30 days of the Screening Visit (Visit 1) and between Visit 1 and Visit 2;
16. use of any intravenous or intramuscular or oral or inhaled antipseudomonal antibiotic (except chronic oral macrolide treatment with a stable dose) within 30 days prior to Screening Visit (Visit 1) and between Visit 1 and Visit 2;
17. pregnant or breast feeding or plan to become pregnant over the next year or of child bearing potential and unwilling to use a reliable method of contraception for at least one month before randomisation and throughout their involvement in the trial;
18. significant abnormality in clinical evaluations and/or laboratory tests (physical examination, vital signs, haematology, clinical chemistry, clinically relevant impaired renal function, defined as serum creatinine levels ≥2.0x upper limit of normal, ECG) endangering the safe participation of the patient in the study at the Screening Visit (Visit 1) and during the study;
19. participated in another investigational, interventional trial within 30 days prior to the Screening Visit (Visit 1);
20. in the opinion of the Investigator not suitable for inclusion for whatever reason.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers