NCT Number: NCT03942354
PRACTECAL-PRO is a sub-study of a TB-PRACTECAL clinical trial for multidrug resistant Tuberculosis. It evaluates the effectiveness of TB-PRACTECAL interventions from the patient perspective in terms of their quality of life, shared decision making and satisfaction with services.
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Notify Me18 year and older
All sexes
Observational
Republican Scientific and Practical Centre for Pulmonology and Tuberculosis hospital, Minsk, Belarus
Tolerability of drugs for TB is a complex and dynamic course for patients with drug resistance and can be affected by many different factors. A deeper understanding of the perspectives and experience of men and women participating in novel TB treatment trials will add to the understanding of the safety and efficacy of treatment.
TB-PRACTECAL is a multicentre, open label, phase 2-3 randomised controlled trial evaluating exclusively oral 6 months regimens containing bedaquiline, pretomanid, linezolid +/- moxifloxacin or clofazimine for the treatment of microbiologically confirmed pulmonary M/XDR-TB. It is registered with the ClinicalTrials.gov with identifier number NCT02589782. The trial aims to recruit 630 adults from two sites in Uzbekistan (Nukus and Tashkent) and one site each from Belarus and South Africa.
The TB-PRACTECAL trial assumes that even if the investigational arms would have non-inferior efficacy and safety compared to the standard of care outcomes, patients would prefer a shorter, exclusively oral regimen with a lower pill count. This study therefore aims to describe patient experiences (i.e. the quality of the treatment experience as opposed to the quantity of treatment or the amount of time spent on it).
The PRACTECAL-PRO sub-study aims to answer the question: "What are the perceptions, expectations and experiences of novel TB treatment for adult patients participating in a six-month regimen clinical trial in Uzbekistan, South Africa and Belarus?"
The objectives for the analysis are:
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Bedaquiline is a diarylquinoline class antimicrobial which blocks the proton pump for ATP synthase of mycobacteria. This in turn blocks the ATP production required for cellular energy production and leading to cell death.
Other names: Sirturo, R207910, TMC207
Pretomanid is a nitroimidazole class antimicrobial which interferes with cell wall biosynthesis in mycobacteria. It may have other mechanisms of action as well in non-replicating mycobacteria.
Other names: PA-824
Moxifloxacin is an 8-methoxyquinolone class antimicrobial that is a potent inhibitor of DNA gyrase and topoisomerase IV in bacteria
Other names: Avelox, BAY 12-8039
Linezolid, an oxazolidinone class antimicrobial which works by inhibiting ribosomal protein synthesis. It is approved for Gram-positive bacterial infections, and is increasingly being used for drug resistant TB disease.
Other names: Zyvox
Clofazimine is a lipophilic riminophenazine licensed for treatment of leprosy. Its mechanism(s) of action remains unclear, but existing evidence suggests production of reactive oxygen species within Mycobacterium tuberculosis is one mechanism.
Other names: Lamprene
Standard therapy
Time frame: 12 months
To assess the quality of life (QoL) of trial patients from baseline to 12 months: both those treated in the investigational arms and the standard of care arm. For the SGRQ, a change of 4 points is suggested to indicate a clinically significant change, although the questionnaire was developed with patients who had COPD rather than TB. In the sub-study with a relatively small sample we cannot be confident about whether a change of 4 points represents a similarly significant change, but we will be mindful to assess this possibility. Ultimate aim is to determine whether disease-specific patient quality of life scores improve in investigational arm patients from baseline to successful completion of treatment.
Time frame: 12 months
Two summary scores are reported from the SF-12 - a mental component score (MCS-12) and a physical component score (PCS-12). The scores may be reported as Z-scores (difference compared to the population average, measured in standard deviations). Ultimate aim is to determine whether disease-specific patient satisfaction scores improve in investigational arm patients from baseline to successful completion of treatment.
Medecins Sans Frontieres, Netherlands
Other
Acronym: PRACTECAL-PRO
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