Preventive TB treatment completion Regimen Total duration (months) Expected number of doses (100%) Extended time for treatment Completion (treatment duration +33% additional time) Remark on completion criteria for TPT Regimens in Ethiopia 3HP 3 12 120 days (4 months) Completion of the 12 doses within 4 months period 3HR 3 90 120 days(4 months) Completion of the 84 doses within 4 months period 6H 6 180 240 days (8 months) Completion of the 168 doses within 8 months period
Management of interruptions in TB preventive treatment TPT regimen Duration of treatment interruption Recommended Actions 3HR, 6H Less than 2 weeks Resume preventive treatment immediately upon return and add the number of days of missed doses to the total treatment duration Do not change the scheduled date of the next follow-up visit but the last follow-up visit will be postponed by the number of extra-days to compensate for missed doses (e.g. If a child on 3HR missed 3 days of treatment, continue preventive treatment for a total duration of 3 months + 3 days from the date of start). More than 2 weeks If treatment interruption occurred after more than 80% of doses expected in the regimen were taken, no action is required. Continue and complete the remaining treatment as per original plan. If less than 80% of doses expected in the regimen were taken, and the treatment course can still be completed within the expected time for completion, i.e. treatment duration + 33% additional time, no action is required. Continue and complete the remaining treatment as per original plan. If less than 80% of doses expected in the regimen were taken, and the treatment course cannot be completed within the expected time for completion, consider restarting the full TPT course.
Management of interruptions in TB preventive treatment TPT regimen Duration of treatment interruption Recommended Actions 3HP Weekly schedule of one dose Missed If the missed dose is remembered within the next 2 days, the person can take the dose immediately. Continue the schedule as originally planned (i.e. continue to take remaining doses following the same schedule). If the missed dose is remembered more than 2 days later, the person can take the missed dose immediately and change the schedule for weekly intake to the day the missed dose was taken until treatment completion. This will avoid two weekly doses being taken less than 4 days apart. More than 1 weekly doses of 3HP missed If 1–3 weekly doses are missed, treatment is continued until all 12 doses are taken, thus prolonging the treatment duration to a maximum of 16 weeks If, however, 4 or more weekly doses are missed, consider restarting the full TPT course. If adherence to a weekly routine is not possible, consider discontinuing 3HP and offering an alternative (daily) regimen.
Program management, monitoring and evaluation of TPT The key indicators for monitoring of TPT include: Initiation of TPT among eligible groups (disaggregated by HIV status, contact status, sex, age and regimen type) Completion of TPT among eligible groups (disaggregated by HIV status, contact status, sex, age and regimen type)
Program management, monitoring and evaluation of TPT In addition to monitoring treatment initiation and completion, a number of unfavorable outcomes are proposed that could be used to trigger a review of case management and, in some instances, changes to treatment (see list below). Failed – development of TB disease any time while on TPT Died – death for any reason while on TPT Lost to follow-up – TPT interrupted by person for eight consecutive weeks or more for 6H, four consecutive weeks or more for 3HP and 3HR. TPT discontinuation due to toxicity – by clinician due to adverse events or drug–drug interactions, with or without restart or switching of regimen Not evaluated – such as records lost, transfer to another health facility with record of TPT Completion