{
  "schema_version": "chamgap-public-criteria-1.0",
  "title": "Ginger extract 400 mg standardized to 5% active ingredient as add-on therapy × Improvement of 2-hour pain-relief response in acute migraine",
  "language": "en",
  "translation_date": "2026-10-25",
  "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": "Retained method-application records were reused. External originals were not reread and method 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": "Retained method-application records were reused. External originals were not reread and method 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": "Retained method-application records were reused. External originals were not reread and method 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": "Retained method-application records were reused. External originals were not reread and method 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": "Retained method-application records were reused. External originals were not reread and method content was not reassessed."
    }
  ],
  "status_dictionary": {
    "Partly verified": "Some retained information is available, while material needed for this criterion remains unverified.",
    "Unverified": "This criterion could not be established from the retained scope; this does not mean 0 studies, 0 effect or no harm.",
    "Review incomplete": "Source comparison or searching within the permitted scope was not performed.",
    "Not reported": "Limited to a specified read source or section that did not report the item.",
    "Inaccessible": "Used only where access was actually attempted and failed; not assigned to clinical material here.",
    "Insufficient evidence for the conditions": "Used only after reviewing relevant studies in the defined scope and finding evidence insufficient to answer the condition; not applied universally here.",
    "Not applicable": "A specific exception based on applicability conditions; not a substitute for unread material.",
    "Conflicting data": "Incompatible material was compared for the same question, time and analysis; different review estimates alone do not justify this status.",
    "Met": "Confirms the stated retained information and reading, attribution or interpretation boundary; not certification of clinical efficacy, full-text reading or reassessment."
  },
  "requirements": [
    {
      "item_id": "N01",
      "question_type": "Evidence condition",
      "question": "What is this sheet's independent question?",
      "needed": "Emergency-department episodic migraine; a single oral ginger-extract add-on; common ketoprofen; 2-hour pain relief",
      "role": "Required",
      "role_reason": "Distinguish the add-on question from monotherapy, prevention and pain freedom.",
      "application_exception": "Do not merge the same ginger name or a different comparison into this question.",
      "criterion": "Connect the original Korean claim to formulation, population, comparison and time, and state exclusions.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: The current original wording and new comparison specification if the question boundary changes. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N02",
      "question_type": "Evidence condition",
      "question": "How are the original verdict, both languages and correction records retained?",
      "needed": "Original C50, Caution, all axes, Korean/English text, the correction and the actual verification scope",
      "role": "Required",
      "role_reason": "Do not inherit historical verdicts or translation wording as current row statuses or independent clinical certification.",
      "application_exception": "Do not arbitrarily retranslate or replace generic English fields and specific Korean content in the original correction record.",
      "criterion": "Retain the typed original and distinguish generic English text and historical cross-check wording from current certification.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Historical source material establishing the specific English correspondence and correction scope. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N03",
      "question_type": "Evidence condition",
      "question": "What product do 400 mg and 5% active ingredient describe?",
      "needed": "Rhizome-extract capsules, composition, trial product/batch and assay method",
      "role": "Required",
      "role_reason": "Do not interchange ginger food, powder or essential oil with the trial extract.",
      "application_exception": "Do not newly calculate gingerol/shogaol mg or batch equivalence from nominal 5%.",
      "criterion": "Record the nominal formulation/dose alongside unverified actual composition and batch.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Trial-product manufacturing, batch, quantitative-assay and composition documentation. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N04",
      "question_type": "Evidence condition",
      "question": "What actually differs between the add-on groups?",
      "needed": "Common IV ketoprofen 100 mg; oral extract 400 mg versus cellulose placebo",
      "role": "Required",
      "role_reason": "Separate the contribution of common treatment from the added-ingredient comparison.",
      "application_exception": "Do not attribute this to ginger monotherapy, ketoprofen replacement or triptan replacement.",
      "criterion": "Distinguish common treatment from the add-on difference at the current source location.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Administration procedures and concomitant-treatment tables for both groups. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N05",
      "question_type": "Evidence condition",
      "question": "Who was included in the trial?",
      "needed": "Emergency care for adults with episodic migraine, 1–6 attacks per month; eligibility/exclusions and baseline characteristics",
      "role": "Required",
      "role_reason": "Do not extend this to general headache, chronic migraine or self-medication.",
      "application_exception": "Do not equate the overall 60 with the actual eligible or completing population.",
      "criterion": "Distinguish the retained population from unverified diagnostic, baseline and eligibility information.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Complete eligibility/exclusion criteria and baseline-characteristics table. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N06",
      "question_type": "Evidence condition",
      "question": "Are pain-relief response and pain freedom distinguished?",
      "needed": "Definition, scale and response threshold for 2-hour pain-relief clinical response",
      "role": "Required",
      "role_reason": "Do not turn a pain-relief signal into complete pain freedom.",
      "application_exception": "Pain intensity, pain freedom and recurrence are different endpoints.",
      "criterion": "Separate the retained response endpoint from other endpoints and retain uncertainty about its measurement definition.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Response-classification criteria, pain scale and result tables. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N07",
      "question_type": "Evidence condition",
      "question": "What are the limits of the single dose and 2-hour observation?",
      "needed": "A single acute-attack dose of 400 mg; measurements at 1/1.5/2 hours",
      "role": "Required",
      "role_reason": "Do not combine observations at different times into one sustained effect.",
      "application_exception": "Do not extend a single-dose 2-hour result to repeated dosing or prevention.",
      "criterion": "Attribute administration and each reported time separately.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Administration/measurement schedule and subsequent follow-up. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N08",
      "question_type": "Evidence condition",
      "question": "How well is the direct add-on report identified?",
      "needed": "Martins 2019, PMID29768938, DOI and evidence/bibliography correspondence",
      "role": "Required",
      "role_reason": "Do not count summaries, bibliography and Korean/English recitation as independent replications.",
      "application_exception": "Identifiers alone do not complete registration or original-paper identity checks.",
      "criterion": "Connect source locations for the same direct-report clues without inferring total unique participants.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original paper, related reports and registration history. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N09",
      "question_type": "Evidence condition",
      "question": "Why is the sumatriptan comparison separate context?",
      "needed": "Powder versus sumatriptan; 100 people; 5 attacks; headache severity at two hours",
      "role": "Required",
      "role_reason": "Do not count within-group improvement in an active comparison as replication of the same extract add-on effect.",
      "application_exception": "Do not multiply 100 people by 5 attacks to count 500 people; retain formulation and comparison differences.",
      "criterion": "Separate S2 results and denominator/repeated-measure boundaries from S1.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Active-comparator full text and analyses at participant and attack levels. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N10",
      "question_type": "Evidence condition",
      "question": "Which material was actually read for this review?",
      "needed": "Current retained summary and bibliography versus access history for external abstracts, full texts and registration",
      "role": "Required",
      "role_reason": "Do not equate an available reading link with full-text reading.",
      "application_exception": "Do not label unattempted access as inaccessibility or nonreporting in the paper.",
      "criterion": "Link the retained summary actually read to its location and hash; leave external material unread.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Actual acquisition and reading records for original papers and registration/protocols. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N11",
      "question_type": "Evidence condition",
      "question": "How does the registration-number clue relate to the structured registration status?",
      "needed": "NCT02568644 in bibliography/both-language wording versus registration status marked unverified",
      "role": "Required",
      "role_reason": "Do not establish registration identity or prospective hierarchy from a bibliographic identifier.",
      "application_exception": "Do not delete either retained value or convert it to failed registration.",
      "criterion": "Retain both clues and state the scope of original-registration identity/version comparison.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: NCT02568644 initial registration, amendment history and paper correspondence. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N12",
      "question_type": "Evidence condition",
      "question": "What do the evidence date and current review date mean?",
      "needed": "Original verdict date, search cutoff, report-level access dates and correction date",
      "role": "Required",
      "role_reason": "Do not reuse the original review date 2026-09-08 as a current search or external-access date.",
      "application_exception": "An unperformed new search does not mean 0 studies.",
      "criterion": "Distinguish the role of the evidence date from the current retained scope.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Historical search records and report-level access receipts. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N13",
      "question_type": "Evidence condition",
      "question": "What is known about randomization and allocation concealment?",
      "needed": "Randomized, double-blind placebo add-on; sequence/concealment and baseline balance",
      "role": "Required",
      "role_reason": "An RCT label alone does not establish that allocation bias was resolved.",
      "application_exception": "Do not convert unverified parallel/cluster/crossover details to nonapplicability.",
      "criterion": "Separate the retained design description from unverified procedures.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Methods section, allocation sequence/concealment and baseline table. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N14",
      "question_type": "Evidence condition",
      "question": "How were blinding and subjective pain measurement conducted?",
      "needed": "Participant/assessor blinding, capsule matching and measurement procedures",
      "role": "Required",
      "role_reason": "Distinguish the double-blind label from actual response assessment.",
      "application_exception": "A subjective endpoint or blinding limitation alone is not an automatic failure.",
      "criterion": "State limitations according to the measurement procedure and actual verification scope.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original capsule-matching, assessor-procedure and response-scale descriptions. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N15",
      "question_type": "Evidence condition",
      "question": "Which denominator does 60 represent?",
      "needed": "Overall 60 randomized versus group allocation, measurement, completion and analysis",
      "role": "Required",
      "role_reason": "Do not infer 30/30 per group or an outcome-analysis denominator from total N.",
      "application_exception": "Do not equate the summary's 60 with actual analyzed or completing counts.",
      "criterion": "Distinguish the retained overall randomized count from other unavailable denominators.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Group participant-flow table and denominator definitions. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N16",
      "question_type": "Evidence condition",
      "question": "How were withdrawals and missing data handled?",
      "needed": "Time-specific missing data, withdrawal reasons and analysis inclusion/handling",
      "role": "Required",
      "role_reason": "Do not convert missing denominators to 0 withdrawals or completion by everyone.",
      "application_exception": "Generic English sample-size wording is not an actual time-specific denominator.",
      "criterion": "Distinguish reported randomization counts from unverified missingness and handling.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Group/time-specific analysis denominators and missing-data handling. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N17",
      "question_type": "Evidence condition",
      "question": "What are the magnitude and precision of the 2-hour effect?",
      "needed": "Group response-event counts, RR/absolute difference, 95% CI and denominators",
      "role": "Required",
      "role_reason": "Do not read P=.04 as effect magnitude, an individual's response probability or sufficiency.",
      "application_exception": "Do not infer event counts/CI or fill gaps with new calculations.",
      "criterion": "Show the reported P value separately from unverified estimates and intervals.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: 2-hour group event counts/denominators and reported effect estimates with CI. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N18",
      "question_type": "Evidence condition",
      "question": "How are the P values at 1, 1.5 and 2 hours attributed?",
      "needed": "1h P=.04, 1.5h P=.01, 2h P=.04 and the multiple-testing plan",
      "role": "Required",
      "role_reason": "Do not substitute the most favorable time-specific P value for the principal 2-hour effect.",
      "application_exception": "Do not count the three values as independent trials or participants.",
      "criterion": "Link each time-specific value to the original record and retain unverified multiplicity control.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Time-specific plans, hypothesis hierarchy, multiplicity control and complete results. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N19",
      "question_type": "Evidence condition",
      "question": "How far was the claim of a prespecified principal endpoint checked?",
      "needed": "Designation of 2-hour pain relief, registration/protocol/SAP and amendment history",
      "role": "Required",
      "role_reason": "Separate the manuscript's prespecification statement from original-plan comparison in this review.",
      "application_exception": "Unacquired planning material does not establish nonregistration or selective reporting.",
      "criterion": "Retain the historical wording while identifying unperformed comparisons with historical plans and amendments.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Initial registration, protocol/SAP and amendment dates. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N20",
      "question_type": "Evidence condition",
      "question": "Were rescue medication, adherence and concomitant-treatment changes controlled?",
      "needed": "Common ketoprofen administration and additional concomitant/rescue medication, with administration timing",
      "role": "Required",
      "role_reason": "Do not attribute differences in other treatments to the ginger add-on contribution.",
      "application_exception": "Specification of a common medicine does not establish identical concomitant care and adherence throughout.",
      "criterion": "Record specified common treatment separately from unverified changes and handling.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Group concomitant treatment, rescue care, adherence, timing and analytic handling. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N21",
      "question_type": "Evidence condition",
      "question": "Is the analysis estimating assignment or adherence effects?",
      "needed": "ITT/PP, analysis population, adjustment/model and time-specific between-group comparisons",
      "role": "Required",
      "role_reason": "Do not fill in ITT solely because allocation was randomized.",
      "application_exception": "Do not equate unspecified within-group change with a between-group effect.",
      "criterion": "Distinguish the add-on effect of interest from the unverified actual estimand.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Analysis plan, analysis population, model and effect definition. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N22",
      "question_type": "Evidence condition",
      "question": "Does active-comparator nonsignificance prove equivalence?",
      "needed": "S2 noninferiority design/margin, between-group estimate, CI and repeated-attack handling",
      "role": "Required",
      "role_reason": "Do not turn within-group improvement or between-group nonsignificance into triptan replacement efficacy.",
      "application_exception": "Do not make equivalence/noninferiority conclusions without a prospective margin and CI.",
      "criterion": "Retain contrary/no-difference reporting and state the different comparison and its limitations.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Active-comparator protocol, noninferiority margin/CI and analysis method. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N23",
      "question_type": "Evidence condition",
      "question": "Is 400 mg known to be the optimal dose?",
      "needed": "Direct dose comparisons for the same extract, composition and adherence",
      "role": "Supplementary; required for an optimal-dose extension",
      "role_reason": "Do not extend one single dose to an optimal-dose claim.",
      "application_exception": "Do not make dose-optimization research a completion requirement for this narrow add-on question.",
      "criterion": "Separate the current 400 mg dose from the gap for a distinct dose question.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Direct dose groups, batch composition and estimates/CI. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N24",
      "question_type": "Evidence condition",
      "question": "Does this answer recurrence, persistence or prevention questions?",
      "needed": "Pain/rescue medication after 2 hours, recurrence and prevention questions",
      "role": "Supplementary; required for a persistence/prevention extension",
      "role_reason": "Do not extend single-dose pain-relief results to long-term prevention or reduced recurrence.",
      "application_exception": "Prevention ID3009 is not read/converted in this sheet or imposed as a requirement for the narrow question.",
      "criterion": "Distinguish the original 2-hour result from later-outcome and prevention questions.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Subsequent follow-up, recurrence definitions and separate prevention material. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N25",
      "question_type": "Evidence condition",
      "question": "What independent replications match the same formulation and add-on comparison?",
      "needed": "Unique report/trial families and matching product, common treatment, endpoint and time",
      "role": "Required",
      "role_reason": "Do not count S2's different comparison, Korean/English text or bibliography as independent confirmation.",
      "application_exception": "Do not add the current 2 reports as 2 trials of the same comparison or a total of 160 unique participants.",
      "criterion": "Distinguish currently linked reports from unestablished total independent families and unique participants.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original trial families, related reports, product matching and trial-specific results. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N26",
      "question_type": "Evidence condition",
      "question": "What is known about funding, product provision and author interests?",
      "needed": "University research, funding, product support, author employment/patents and declared COI",
      "role": "Supplementary; required for an independence claim",
      "role_reason": "Do not read a university label or historical I2 as independent funding or absence of bias.",
      "application_exception": "Generic English funding wording is not specific COI-verification material.",
      "criterion": "Link each report's specified support and each unverified aspect separately.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original funding, product-provision and author/COI statements for both reports. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N27",
      "question_type": "Evidence condition",
      "question": "Which adverse events were collected, and how?",
      "needed": "Event definitions, collection methods, severity, discontinuation and group results",
      "role": "Required",
      "role_reason": "Do not turn caution wording into adverse events observed in the trial.",
      "application_exception": "Distinguish NSAID-related cautions from observed events in the ginger add-on comparison.",
      "criterion": "Show the verification scope for actual events separately from historical caution wording.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: S1 safety-result tables and event/collection definitions. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N28",
      "question_type": "Evidence condition",
      "question": "What is the timeline of events and recovery after exposure?",
      "needed": "Administration, event onset, recovery and discontinuation/re-exposure times",
      "role": "Required",
      "role_reason": "Do not turn single-dose 2-hour efficacy follow-up into sufficient harm observation.",
      "application_exception": "Do not infer improvement after discontinuation or re-exposure information when unavailable.",
      "criterion": "Separate known administration/follow-up from the unverified event timeline.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Harm-onset/recovery and discontinuation/re-exposure records. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N29",
      "question_type": "Evidence condition",
      "question": "What is the actual comparison for harms?",
      "needed": "Between-group safety estimates for extract versus placebo on common ketoprofen",
      "role": "Required",
      "role_reason": "An efficacy comparator does not establish a verified difference in harms.",
      "application_exception": "Do not extrapolate background risk rates or convert this to a no-treatment comparison.",
      "criterion": "Show common/additional exposure and unverified comparative-harm material.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Group safety events, denominators and reported risk estimates/CI. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N30",
      "question_type": "Evidence condition",
      "question": "Are denominators available for harm frequency?",
      "needed": "Safety-exposed population, people with events/event counts, period and collection scope",
      "role": "Required",
      "role_reason": "Do not reuse the total 60 as a safety denominator or a denominator for 0 events.",
      "application_exception": "Do not calculate incidence from P values, caution wording or original C50.",
      "criterion": "Show frequencies only for original reported values linking exposure, events and time.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Safety-analysis population, group event counts and exposure time. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N31",
      "question_type": "Evidence condition",
      "question": "Can concomitant exposures and alternative causes be distinguished?",
      "needed": "IV ketoprofen, other migraine medicines, baseline/concomitant exposures and adjustment",
      "role": "Required",
      "role_reason": "Do not attribute potential harm causally to ginger alone.",
      "application_exception": "Unavailable information about other causes does not mean other causes are absent.",
      "criterion": "Distinguish specified common medicine from unverified concomitant/baseline information and alternative explanations.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Concomitant medicines, baseline risk and event-specific alternative causes/adjustment. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N32",
      "question_type": "Evidence condition",
      "question": "What is missing from harm reporting and follow-up?",
      "needed": "Systematic/spontaneous collection, detection, attrition and complete event disclosure",
      "role": "Required",
      "role_reason": "An unavailable event table does not mean events did not occur.",
      "application_exception": "Possible bias is not an established bias magnitude or proof that the trial is invalid.",
      "criterion": "Connect the summary actually read to unverified collection and missingness.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Safety collection, follow-up/attrition and disclosure scope. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N33",
      "question_type": "Evidence condition",
      "question": "Can independent repetitions of the same harm be counted?",
      "needed": "Unique event/trial families, exposure/event matching and repeated citation",
      "role": "Supplementary; required for repeated-harm-signal claims",
      "role_reason": "Do not count the same caution wording and Korean/English recitation as independent events.",
      "application_exception": "Do not automatically link a different S2 formulation or administrative data as recurrence of the same event.",
      "criterion": "Explain material types, family/exposure relationships and unestablished repetition counts.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original event data, families/related reports and exposure matching. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N34",
      "question_type": "Evidence condition",
      "question": "What harms or vulnerable groups lie beyond the short follow-up?",
      "needed": "Long-term/rare events, baseline risk, interactions and exposure duration",
      "role": "Supplementary; required for long-term/vulnerable-group safety extensions",
      "role_reason": "Do not extend an emergency-department single-dose 2-hour result to overall safety.",
      "application_exception": "Do not require all rare-harm trials as completion conditions for the narrow efficacy sheet.",
      "criterion": "Distinguish direct exposure scope from gaps in separate vulnerable-group/long-term questions.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Vulnerable-group, long-term/rare-event and concomitant-treatment material. This records needed materials; no new research was executed."
    },
    {
      "item_id": "N35",
      "question_type": "Evidence condition",
      "question": "What can this material say about safety?",
      "needed": "Observed events, comparison, denominators, time, alternatives and original cautions",
      "role": "Required",
      "role_reason": "Do not turn a Caution label into established harm causality, absence of harm or personal dosing advice.",
      "application_exception": "Do not run new efficacy/safety scoring or causal-assessment tools.",
      "criterion": "Distinguish retained cautions from unverified events, comparisons, denominators and causality.",
      "basis": "Existing method principles distinguish population, formulation, dose, timing, endpoint, comparison, denominators, overlap, support and harms in the retained reports. Detailed conditions are Chamgap's own application.",
      "condition_origin": "These are Chamgap in-house conditions developed with knowledge of the retained record for acute migraine, ginger extract added to common ketoprofen and 2-hour pain relief. They do not establish blinding, clinical-trial preregistration, official-tool certification or new independent clinical validation.",
      "proposed_research": "Material needed: Original material linking events, exposure, comparison, time and alternative explanations. This records needed materials; no new research was executed."
    }
  ]
}
