{ "schema_version": "chamgap-public-criteria-1.0", "title": "Oral vitamin C × serum urate: direct evidence links remain unverified in this record", "language": "en", "translation_date": "2026-10-22", "criteria_version": "1.0", "criteria_date": "2026-10-06", "condition_origin": "Chamgap's own application conditions", "method_sources": [ { "id": "M03", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2023-08", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-03", "section": "§3.1, §3.2.1–3.2.3, MECIR C5/C7/C13", "official_principle": "Clearly record the question, eligibility conditions and reasons for changes, and distinguish variations in interventions.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M04", "version": "Cochrane Handbook 6.5.1 (2025), chapter updated 2025-03", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-04", "section": "§4.5, §4.6.1–4.6.3, MECIR C42", "official_principle": "Distinguish studies from reports and link them; do not omit a study solely because results are unreported.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M08", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2019-10", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-08", "section": "§8.1–8.2.3, Table 8.2.a", "official_principle": "Define the outcome and effect of interest, then examine randomization, deviations, missing data, measurement and selective reporting.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M15", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2023-08", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-15", "section": "§15.2.4, §15.3.1–15.3.3", "official_principle": "Distinguish effect estimates, intervals, importance and applicability. Sample size alone does not determine precision.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M19", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2019-10", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-19", "section": "§19.1.2, §19.2.1–19.2.4", "official_principle": "Harm questions may require different designs, populations and follow-up from efficacy questions. Case reports do not establish incidence rates.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." } ], "status_dictionary": { "Partly verified": "Partial information from the stored summary is linked; detailed originals and content review remain incomplete.", "Unverified": "Required details cannot be established within the preserved scope. This does not establish absence of effects or studies, or safety.", "Review incomplete": "Review of existing content remains incomplete.", "Met": "This state is used only within the relevant conditions after material verification and content review. It was not automatically assigned in this work.", "Not reported": "Unreported within material actually read. Unread external material is not relabeled as unreported.", "Inaccessible": "This means actual access failure. External access was not attempted in this work, so this state was not assigned.", "Not applicable": "Used only with an application exception and reason based on the question scope.", "Conflicting data": "This requires actual comparison of materials; no new conflict judgment was made in this work.", "Insufficient evidence for the conditions": "This indicates gaps in additional material for the selected conditions. Unread material as a whole is not converted into an efficacy grade." }, "requirements": [ { "item_id": "N01", "question_type": "Evidence condition", "question": "What is the selected urate question?", "needed": "Existing urate wording and verdict record, and parent/separate-verdict boundaries", "role": "Required", "role_reason": "Material on Existing urate wording and verdict record, and parent/separate-verdict boundaries is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Existing urate wording and verdict record, and parent/separate-verdict boundaries must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The parent question on recurrent-flare prevention is not changed into this question or made into a new claim. This records needed materials; no new research was executed." }, { "item_id": "N02", "question_type": "Evidence condition", "question": "What does the preserved C54 mean?", "needed": "Existing C54, separate-verdict note for 3019, and parent deferral/empty score", "role": "Required", "role_reason": "Material on Existing C54, separate-verdict note for 3019, and parent deferral/empty score is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Existing C54, separate-verdict note for 3019, and parent deferral/empty score must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The existing subclaim is preserved without new efficacy grading or completed content review. It is not overwritten by the parent grade or vice versa. This records needed materials; no new research was executed." }, { "item_id": "N03", "question_type": "Evidence condition", "question": "What materials were used for this view?", "needed": "Stored 3020 summary and urate wording, unread external materials and no merger with 3019", "role": "Required", "role_reason": "Material on Stored 3020 summary and urate wording, unread external materials and no merger with 3019 is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Stored 3020 summary and urate wording, unread external materials and no merger with 3019 must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The relevant urate-trial result tables and bibliography are not directly linked in 3020; external abstracts, full text, registration and plans are unread, with access not attempted. This records needed materials; no new research was executed." }, { "item_id": "N04", "question_type": "Evidence condition", "question": "How is the relationship with 3019 retained?", "needed": "Separate-verdict note, original values, citation and duplication limits", "role": "Required", "role_reason": "Material on Separate-verdict note, original values, citation and duplication limits is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Separate-verdict note, original values, citation and duplication limits must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Content, numbers and conditions from 3019 are not combined as new reading or independent replication. Related unique trial and participant totals remain unverified. This records needed materials; no new research was executed." }, { "item_id": "N05", "question_type": "Evidence condition", "question": "Who was actually studied for urate reduction?", "needed": "Diagnosis, baseline urate, gout/non-gout status, age and selection", "role": "Required", "role_reason": "Material on Diagnosis, baseline urate, gout/non-gout status, age and selection is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Diagnosis, baseline urate, gout/non-gout status, age and selection must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Parent adults with established gout and PHS II male physicians or the group without prior gout are not transferred as the relevant urate-trial population. This records needed materials; no new research was executed." }, { "item_id": "N06", "question_type": "Evidence condition", "question": "What is linked about formulation and route?", "needed": "Parent oral single-ingredient C context and the selected trial’s product, salt and excipients", "role": "Required", "role_reason": "Material on Parent oral single-ingredient C context and the selected trial’s product, salt and excipients is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Parent oral single-ingredient C context and the selected trial’s product, salt and excipients must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: This is not elevated to verified product specifications for the relevant urate trial. Trial-specific tablet/capsule, salt, excipients and product identity remain unverified. This records needed materials; no new research was executed." }, { "item_id": "N07", "question_type": "Evidence condition", "question": "What are dose, frequency and actual exposure?", "needed": "Dose, dosing and adherence in the selected urate trial", "role": "Required", "role_reason": "Material on Dose, dosing and adherence in the selected urate trial is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Dose, dosing and adherence in the selected urate trial must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The parent’s not-applicable dose for absent eligible human attack studies belongs to the attack question and is not transferred to the relevant urate dose. This records needed materials; no new research was executed." }, { "item_id": "N08", "question_type": "Evidence condition", "question": "What are duration and measurement times?", "needed": "Dosing, follow-up and measurement times in the selected urate trial", "role": "Required", "role_reason": "Material on Dosing, follow-up and measurement times in the selected urate trial is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Dosing, follow-up and measurement times in the selected urate trial must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Urate-trial duration is not filled using the parent’s not-applicable duration or the long-term PHS II factorial-trial timeline. This records needed materials; no new research was executed." }, { "item_id": "N09", "question_type": "Evidence condition", "question": "What are the comparator and concomitant medication?", "needed": "Placebo, active comparator, urate medication, diet, supplements, rescue treatment and changes", "role": "Required", "role_reason": "Material on Placebo, active comparator, urate medication, diet, supplements, rescue treatment and changes is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Placebo, active comparator, urate medication, diet, supplements, rescue treatment and changes must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The parent comparator for absent eligible attack evidence and PHS II C versus placebo are not transferred as comparisons in the relevant urate trial. This records needed materials; no new research was executed." }, { "item_id": "N10", "question_type": "Evidence condition", "question": "What are allocation, design and blinding?", "needed": "Selected urate-trial design, allocation, concealment, baseline balance and blinding", "role": "Required", "role_reason": "Material on Selected urate-trial design, allocation, concealment, baseline balance and blinding is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Selected urate-trial design, allocation, concealment, baseline balance and blinding must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The double-blind factorial PHS II design is not inherited by the relevant urate trial; randomized or nonrandomized design is not newly established. This records needed materials; no new research was executed." }, { "item_id": "N11", "question_type": "Evidence condition", "question": "How was serum urate measured?", "needed": "Serum testing, units, methods, time points, final values and changes", "role": "Required", "role_reason": "Material on Serum testing, units, methods, time points, final values and changes is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Serum testing, units, methods, time points, final values and changes must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Methods, units, baseline, final values, changes, test conditions and blinding remain unverified. Gout diagnoses and attacks are not substituted. This records needed materials; no new research was executed." }, { "item_id": "N12", "question_type": "Evidence condition", "question": "What are the selected effect, P, CI and important difference?", "needed": "Between-group urate effect, original intervals and important numerical difference", "role": "Required", "role_reason": "Material on Between-group urate effect, original intervals and important numerical difference is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Between-group urate effect, original intervals and important numerical difference must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: PHS II gout HRs and diagnosis rates are not changed into urate effects. Values from 3019 or newly calculated effects/intervals do not fill the gaps. This records needed materials; no new research was executed." }, { "item_id": "N13", "question_type": "Evidence condition", "question": "What are the selected sample, denominators and missingness?", "needed": "Urate allocation, measurement, completion, analysis, group denominators and missingness", "role": "Required", "role_reason": "Material on Urate allocation, measurement, completion, analysis, group denominators and missingness is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Urate allocation, measurement, completion, analysis, group denominators and missingness must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The 14641 participants and PHS II allocation/prior-gout-excluded denominators are not transferred to the relevant urate trial; events and participants are not summed. This records needed materials; no new research was executed." }, { "item_id": "N14", "question_type": "Evidence condition", "question": "What effect does the selected analysis estimate?", "needed": "ITT/PP, adjustment, final values, changes, repeated measurement and analysis unit", "role": "Required", "role_reason": "Material on ITT/PP, adjustment, final values, changes, repeated measurement and analysis unit is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on ITT/PP, adjustment, final values, changes, repeated measurement and analysis unit must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The urate-analysis model is not filled using the post hoc PHS II gout analysis, HR model or prior-gout-excluded analysis. This records needed materials; no new research was executed." }, { "item_id": "N15", "question_type": "Evidence condition", "question": "What are urate-outcome registration and prespecified hierarchy?", "needed": "Selected-trial registration, protocols, analysis plans, primary/secondary outcomes and changes", "role": "Required", "role_reason": "Material on Selected-trial registration, protocols, analysis plans, primary/secondary outcomes and changes is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Selected-trial registration, protocols, analysis plans, primary/secondary outcomes and changes must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: NCT00270647 is a cited identifier for the original PHS II cardiovascular/cancer trial. It is not transferred as preregistration of the relevant urate trial; plans remain unread in this work. This records needed materials; no new research was executed." }, { "item_id": "N16", "question_type": "Evidence condition", "question": "What is the background role of the post hoc PHS II report?", "needed": "Gout-diagnosis reports, full-cohort/prior-gout-excluded analyses and an outcome distinct from urate", "role": "Required", "role_reason": "Material on Gout-diagnosis reports, full-cohort/prior-gout-excluded analyses and an outcome distinct from urate is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Gout-diagnosis reports, full-cohort/prior-gout-excluded analyses and an outcome distinct from urate must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The report’s 454/517, 262/290, HRs and self-reported diagnoses are not transferred as direct serum-urate evidence. This records needed materials; no new research was executed." }, { "item_id": "N17", "question_type": "Evidence condition", "question": "What is the background role of the chronic-gout review?", "needed": "Cochrane2021 citation, unmeasured attacks and exact included trials", "role": "Required", "role_reason": "Material on Cochrane2021 citation, unmeasured attacks and exact included trials is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Cochrane2021 citation, unmeasured attacks and exact included trials must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The brief note does not establish urate effects, denominators, included trials, funding or plans and is not counted as a new direct trial. This records needed materials; no new research was executed." }, { "item_id": "N18", "question_type": "Evidence condition", "question": "What is known about contrary/null results, doses and populations?", "needed": "Direct urate-trial positive/null findings, formulation, population, dose and intervals", "role": "Required", "role_reason": "Material on Direct urate-trial positive/null findings, formulation, population, dose and intervals is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Direct urate-trial positive/null findings, formulation, population, dose and intervals must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: C54 alone does not establish consistent benefit or absence of null results. Gout-diagnosis findings are not transferred as conflicting urate results. This records needed materials; no new research was executed." }, { "item_id": "N19", "question_type": "Evidence condition", "question": "Are independent replication and study totals established?", "needed": "Original urate reports, trial families, citation of 3019 and duplication", "role": "Required", "role_reason": "Material on Original urate reports, trial families, citation of 3019 and duplication is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Original urate reports, trial families, citation of 3019 and duplication must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Tables from 3019 are not combined as new independent replication. Parent PHS II/review material is not summed as urate trials or participants; unique totals remain unverified. This records needed materials; no new research was executed." }, { "item_id": "N20", "question_type": "Evidence condition", "question": "Does urate reduction establish diagnosis prevention, fewer attacks or drug replacement?", "needed": "Separate questions for surrogate outcomes, clinical events and treatment replacement", "role": "Required", "role_reason": "Material on Separate questions for surrogate outcomes, clinical events and treatment replacement is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Separate questions for surrogate outcomes, clinical events and treatment replacement must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: The surrogate C54 grade is not repurposed as a grade for recurrent clinical attacks, first-diagnosis prevention or drug replacement. This records needed materials; no new research was executed." }, { "item_id": "N21", "question_type": "Evidence condition", "question": "What are long-term, dose and subgroup materials?", "needed": "Baseline urate, deficiency, direct dosing, long-term/post-stopping follow-up and prespecified subgroups", "role": "Required", "role_reason": "Material on Baseline urate, deficiency, direct dosing, long-term/post-stopping follow-up and prespecified subgroups is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Baseline urate, deficiency, direct dosing, long-term/post-stopping follow-up and prespecified subgroups must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Optimal dosing, sustained effects and population-specific effects are not filled using parent material or unmerged values from 3019. This records needed materials; no new research was executed." }, { "item_id": "N22", "question_type": "Evidence condition", "question": "What are selected-trial funding, products, employees and interests?", "needed": "Original urate-trial funding, products, packaging, employment and interests", "role": "Required", "role_reason": "Material on Original urate-trial funding, products, packaging, employment and interests is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Original urate-trial funding, products, packaging, employment and interests must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: PHS II NIH and BASF/Pfizer/DSM support→I1 is retained as parent wording, not transferred as independence of the relevant urate trial. This records needed materials; no new research was executed." }, { "item_id": "N23", "question_type": "Evidence condition", "question": "How were harms collected for the selected exposure?", "needed": "Urate-trial exposure, event collection, denominators, stopping and duration", "role": "Supplementary", "role_reason": "Material on Urate-trial exposure, event collection, denominators, stopping and duration is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Urate-trial exposure, event collection, denominators, stopping and duration must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Group-specific harms, collection, stopping and denominators for the selected urate trial remain unverified. Urate reduction is not used to judge safety. This records needed materials; no new research was executed." }, { "item_id": "N24", "question_type": "Evidence condition", "question": "What is known about predisposition, concomitant treatment, long-term and rare harms?", "needed": "Kidney disease, stones, iron overload, concomitant exposures, timelines, comparisons and long-term exposure", "role": "Supplementary", "role_reason": "Material on Kidney disease, stones, iron overload, concomitant exposures, timelines, comparisons and long-term exposure is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Kidney disease, stones, iron overload, concomitant exposures, timelines, comparisons and long-term exposure must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Specific interactions, causality, between-group risks, recovery after stopping and absence of long-term/rare harms remain unverified. No new incidence rate or verdict is created. This records needed materials; no new research was executed." }, { "item_id": "N25", "question_type": "Evidence condition", "question": "Are the parent’s human-study indicator and selected axes distinguished?", "needed": "Disagreement between original indicator and narrative, and absent selected-subclaim axes", "role": "Required", "role_reason": "Material on Disagreement between original indicator and narrative, and absent selected-subclaim axes is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Disagreement between original indicator and narrative, and absent selected-subclaim axes must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: This is not corrected or inherited as a urate axis or a judgment of 0 human studies overall. Axes were not originally recorded for the selected urate subclaim. This records needed materials; no new research was executed." }, { "item_id": "N26", "question_type": "Evidence condition", "question": "What records are the English subclaim, parent dates, deferral and empty corrections?", "needed": "Original Korean/English subclaim, C54, parent deferral/empty score and2026-09-07", "role": "Required", "role_reason": "Material on Original Korean/English subclaim, C54, parent deferral/empty score and2026-09-07 is needed to connect the selected urate question to its population, formulation, exposure, comparison, measurement, time point, denominator, precision and harms.", "application_exception": "The existing urate subclaim verdict C54 is preserved separately from parent flare-verdict deferral, empty score and assessment axes. Background gout-diagnosis HRs, events, denominators, duration and support are not transferred to urate effects or direct trials. No new effects, intervals, person-years, incidence rates, unique totals or dosing guidance are created.", "criterion": "Original records on Original Korean/English subclaim, C54, parent deferral/empty score and2026-09-07 must link to the same urate question, population, product, comparison, measurement, time point and denominator, separately from background gout-diagnosis or attack material.", "basis": "Existing principles distinguish questions, direct comparisons, reports and trials, populations and measurements, denominators, precision and harms.", "condition_origin": "These evidence conditions concern the existing serum-urate-reduction question. They distinguish linked direct urate material from gaps in this record and do not establish new preregistration, official assessment or independent clinical validation.", "proposed_research": "Material needed: Historical independent checks and the parent evidence date are not inherited as new urate full-text reading or completed content review. This records needed materials; no new research was executed." } ] }