Reference
|
Random sequence generation
|
Allocation
concealment
|
Blinding (Objective outcomes)
|
Blinding
(Subjective
outcomes)
|
Incomplete outcome data and withdrawals (Objective outcomes)
|
Incomplete outcome data and withdrawals (Subjective outcomes)
|
Free of selective reporting?
|
Other sources of bias and commentaries
|
Chrusciak-Talhari 2011 [73]
|
Low |
Unclear |
Low “Standardized digital photograph” |
Unclear (for patient reported adverse events) |
Low |
NA |
Low: retrospective registration: NCT00600548; Authors presented results on all outcome measures that were pre specified as relevant |
Low: funding: public (FINEP and CNPq./Brazil) |
Lopez 2012 [71]
|
Low: generated list in blocks of eight using EpiInfo |
Low: “Only the clinical coordinator of the study had access to the list and was in charge of allocating treatments” |
Unclear: no description of the measurement process |
Low: the assessment of side effects was done according to the Common Terminology Criteria for Adverse Events |
Low |
Low |
Low: retrospective registration: NCT00471705; authors presented results on all outcome measures that were pre specified as relevant |
Low: funding, Public. Social Protection Ministry of the Republic of Colombia |
Lopez-Jaramillo 2010 [81]
|
Low: randomization list using a computer program. |
Low: randomization process was blinded and centralized. The assigned code was reported to the monitoring nurse who had no contact with the participants. |
Unclear: no further description of the measurement process nor blinding methods |
Unclear: no further description of the measurement process nor blinding methods |
Unclear: 35/178 lost to follow up. Difference according to groups. |
Unclear: 35/178 lost to follow up. Difference according to groups. |
Low: authors presented results on all outcome measures that were pre specified as relevant |
Low: funding: Public. Institute for Science and Technology “COLCIENCIAS |
Machado 2010 [74]
|
Low: randomization list using a computer program. |
Unclear |
Low: “The area involved was calculated as the product of the two measurements. A standardized digital photograph was also taken from each patient’s lesions at the same time points” |
Unclear |
Low |
Low |
Low: Retrospective registration: NCT00600548; Authors presented results on all outcome measures that were pre specified as relevant |
Low: Funding: Mix Brazilian National Research Council (CNPq). Miltefosine was supplied by Aeterna Zentaris GmbH. |
Miranda-Verastegui 2009 [76]
|
Low: randomization list using a computer program. |
Low: “Numbers and corresponding treatment packages were prepared so that both subjects and study investigators were blind to treatment allocation throughout the study”. |
Low: both creams were identical in appearance. Standardized photograph of each lesion |
Low: both creams were identical in Standardized photograph of each lesion |
Low |
Low |
Low: prospectively registered: NCT00257530; authors presented results on all outcome measures that were pre specified as relevant |
Low: Funding: mix. Drugs for Neglected Diseases Initiative (not-for-profit organization). Pharmaceuticals Inc. provided the randomized allocation of imiquimod and placebo creams at no cost |
Neves 2011 [69]
|
Low: list of random distribution generated by a biostatistician |
Unclear: not reported |
Unclear |
Unclear |
Unclear: 75.7% of the patients randomized to Amphotericin B refused to continue in the study when they learned that they would need to come to the hospital for at least 20 days |
Unclear: 75.7% of the patients randomized to Amphotericin B refused to continue in the study when they learned that they would need to come to the hospital for at least 20 days. 8.1% and 5.4% were loss to follow up in in the meglumine and the pentamidine groups respectively |
Unclear: some pre specified outcomes were not considered (i.e. relapse); - The trials was not not registered. |
Low: fundings: Financiadora de Estudos e Projetos (Research and Projects Financing) of the Ministry of Science and Technology - FINEP. |
Newlove 2011 [72]
|
Low: randomization table |
Unclear: sealed envelopes (opaque or numerated not reported) |
Low: placebo was identical in form, color, and number to treatment |
Low: placebo was identical in form, color, and number to treatment |
Low: no loss to follow up |
Low: no loss to follow up |
Unclear: prospectively registered: NCT00469495; some pre specified outcomes were not considered (i.e. relapse); |
Low: funding: public. NIH/FIC and NIH/NIAID |
Rubiano 2012 [70]
|
Low: computerized balanced block randomization scheme |
Low: coordinating center via phone call |
Low: to eliminate ascertainment bias, treatment outcome was determined by a masked evaluator using standardized photographs of lesions. |
Low: adverse events were identified by study personnel using a structured questionnaire and classified according to Common Terminology Criteria for Adverse Events |
Low |
Low |
Low: prospective registration NCT00487253; authors presented results on all outcome measures that were pre specified as relevant |
Low: funding: mix Departamento Administrativo de Ciencia, Tecnologia e Innovacion (COLCIENCIAS); National Institute of Allergy and Infectious Diseases International Collaborations in Infectious Disease Research Program; Fogarty Global Infectious Diseases Research Training Program |
Soto 2008 [77]
|
Unclear: not reported |
Unclear: not reported |
Unclear |
Unclear |
Low |
Low |
Unclear: prospective registration: NCT00233545; not all pre specified outcomes were reported. |
Low: funding: NGO AB Foundation |
Velez 2010 [75]
|
Low: list generated randomly in blocks of eight (EpiInfo) |
Low: only the study coordinator had access to the list |
Unclear |
Unclear: adverse events were evaluated according to standard criteria |
Low: 14.7% were lost in the miltefosine group while 12.6% were lost in the meglumine antimoniate group. Reasons were explained. |
Low |
Low: not registered; authors presented results on all outcome measures that were pre specified as relevant |
Low: funding: public Ministerio de la Protección Social de la República de Colombia |