Drug-drug Interactions With Anti-tuberculous Drugs
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Details and patient eligibility
About
This study aims to assess the prevalence and the outcome of prescribing drugs known to have major drug-drug interactions with anti-tuberculous drugs among Kasr Alainy tuberculous patients.
Full description
This study is a longitudinal cohort study that will include all the patients diagnosed with tuberculosis who visit the Tuberculous outpatient clinic at Kasr Alainy after obtaining the approval of the ethical committee, and for about 6 months, to include at least 400 patients as estimated from the sample size calculation result.
A detailed history will be taken including: full name, age, sex( maternity history will be taken in case of female patients to report any current pregnancy or lactation) , mobile number, occupation, history of smoking( cigarette or shisha), type of TB, method of TB diagnosis, history of any comorbidities, current drug(s), and the anti-tuberculous therapy regimen ( including name and dose of each drug), in addition to a baseline liver enzymes( ALT, AST) and a complete blood count (CBC) A written consent will be obtained from the patients, however the study doesn't include any experimental intervention, as it's a pure observational study and it possess no more risk than that encountered in routine daily practice. Patients' confidentiality will be respected and protected. Patients' identity will not be put on the data collection form, and will be replaced by a serial number. This serial study number is linked to the patient identity in a document that will be retained inside the department and will not be used outside the hospital.
Patients will be educated and provided with a sheet (titled drug monitoring diary) to document any drugs that are taken/or will be prescribed concomitantly during the anti-tuberculous therapy in the first month after the initial visit. This diary includes: the drug name, date of start, dose (concentration and frequency), and duration of therapy.
Patients will also be educated and provided with a check list sheet (titled adverse drug events diary, as shown in table 3) to record in a day-by day process any possible adverse drug events for one month, and to score the severity of these events from 1 to 3, as 1 means mild/self-limiting, 2 means moderate/required treatment, 3 severe/life-threatening that needed a specialist consultation and management.
Patients will be educated to deal with expected minor adverse drug events, and will be provided with the contact details of the corresponding researcher who will direct each patient to the corresponding physician accordingly, in case of moderate to severe adverse drug events.
A detailed history of the moderate or severe adverse drug event will be recorded by the researchers, including the (date, symptom(s), and action(s) required to manage that event) Patients are instructed routinely to come for a follow up visit after one month. In this visit, laboratory tests (ALT, AST, CBC) are ordered. The research team will record the laboratory results and the drug monitoring and adverse drug diaries notes. The data will be revised for any missing or conflicting data then the sheets will be prepared for analysis
Enrollment
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Volunteers
Inclusion criteria
- All patients diagnosed with tuberculosis and referred to Tuberculosis outpatient clinic, Kasr Alainy Faculty of Medicine, Cairo University, starting after the obtaining of the Scientific/Ethical approval of the study protocol.
Exclusion criteria
- Refusal by the patient/patient's guardian to participate in this study
Trial design
400 participants in 1 patient group
Trial contacts and locations
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Central trial contact
Hoda Mohamed Abdel-Hamid; Omnia Azmy Nabeh, MD
Data sourced from clinicaltrials.gov
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