{"ok":true,"data":{"subject":{"kind":"trial","nctId":"NCT01560585","title":"Open Label Study of Isotretinoin in Mild to Moderate Alzheimer's Disease","sponsor":"University Hospitals Cleveland Medical Center","phases":["PHASE1","PHASE2"],"status":"TERMINATED","indication":null,"disease":"Alzheimer disease"},"rows":[{"n":1,"question":"Is the biology right?","flags":[{"id":"somatic_driver","label":"Somatic driver evidence","value":"no","detail":"None of RARG, RARB, RARA has somatic-mutation evidence in Alzheimer disease","rule":"Open Targets has somatic-mutation evidence for the target in this cancer","source":{"label":"Open Targets: RARG in Alzheimer disease","url":"https://platform.opentargets.org/evidence/ENSG00000172819/MONDO_0004975","date":"2026-11-11T22:25:44.318Z"},"context":[]},{"id":"human_genetic","label":"Human genetic evidence","value":"no","detail":"No germline or somatic evidence for RARG, RARB, RARA in Alzheimer disease","rule":"Any germline or somatic human genetic evidence for the target in this cancer, counted apart from animal-model and literature evidence","source":{"label":"Open Targets: RARG in Alzheimer disease","url":"https://platform.opentargets.org/evidence/ENSG00000172819/MONDO_0004975","date":"2026-11-11T22:25:44.318Z"},"context":[]},{"id":"pediatric_target","label":"Pediatric target","value":"no","detail":"Not on the FDA list","rule":"Target is on FDA's Pediatric Molecular Target List (relevant targets); membership alone neither requires nor waives a study","source":{"label":"FDA Pediatric Molecular Target List (Listed as February 2026 on the FDA Pediatric Oncology page; the file served is 9.7.22_the_relevant_molecular_target_list.xlsx, whose Summary of Changes sheet is headed 'SEPTEMBER 2022 UPDATE' (footnote date 2022-09-01))","url":"https://www.fda.gov/media/191157/download?attachment","date":"2026-11-11T07:05:03Z"},"context":[]},{"id":"haematologic","label":"Haematologic cancer","value":"no","detail":"Solid tumour","rule":"From the indication, or the registry conditions when no indication matches","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"},"context":[{"figure":"Likelihood of approval from phase 1: 7.5% haematologic vs 4.6% solid","dataset":"BIO / Informa / QLS 2021","years":"2011–2020","caveat":"Population-level, not a prediction."}]}],"facts":[{"label":"RARG (via Isotretinoin)","text":"Evidence types in Alzheimer disease: literature, affected_pathway, clinical; literature listed separately from human genetics. Datasources: crispr_screen, clinical_precedence, europepmc.","source":{"label":"Open Targets: RARG in Alzheimer disease","url":"https://platform.opentargets.org/evidence/ENSG00000172819/MONDO_0004975","date":"2026-11-11T22:25:44.318Z"}},{"label":"RARB (via Isotretinoin)","text":"Evidence types in Alzheimer disease: literature, clinical; literature listed separately from human genetics. Datasources: clinical_precedence, europepmc.","source":{"label":"Open Targets: RARB in Alzheimer disease","url":"https://platform.opentargets.org/evidence/ENSG00000077092/MONDO_0004975","date":"2026-11-11T22:25:44.318Z"}},{"label":"RARA (via Isotretinoin)","text":"Evidence types in Alzheimer disease: literature, clinical; literature listed separately from human genetics. Datasources: clinical_precedence, europepmc.","source":{"label":"Open Targets: RARA in Alzheimer disease","url":"https://platform.opentargets.org/evidence/ENSG00000131759/MONDO_0004975","date":"2026-11-11T22:25:44.318Z"}}],"pending":[{"what":"Normal-tissue expression in vital organs","source":"Human Protein Atlas (ticket 36)"},{"what":"Pan-essential in cell lines","source":"DepMap (ticket 36)"},{"what":"Approved drug on this target","source":"Drugs@FDA (ticket 30)"}]},{"n":2,"question":"Can the result be trusted?","flags":[{"id":"randomised","label":"Randomised","value":"no","detail":"Single group","rule":"Registry allocation field","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"},"context":[]},{"id":"small_denominator","label":"Small denominator","value":"yes","detail":"3 enrolled; each patient moves a rate by 100 ÷ 3 = 33.3 points","rule":"Enrolment under 30; the arithmetic is shown, not a benchmark","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"},"context":[]},{"id":"primary_os","label":"Primary endpoint is overall survival","value":"no","detail":"Change From Baseline to Six Month Timepoint in the Score on the Alzheimer's Disease Assessment Scale- Cognitive Subscale","rule":"A registered primary outcome measure names overall survival","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"},"context":[{"figure":"Non-OS primary endpoint: odds ratio 2.79 for a positive phase 3","dataset":"Otsuka 2021, 400 phase 3 oncology trials","years":"to 2020","caveat":"Shown with the next figure: a surrogate is easier to hit, and often a weak guide to survival."},{"figure":"52% of surrogate-to-OS correlations are low","dataset":"Prasad 2015","years":"published to 2014","caveat":"Shown with the figure above."}]},{"id":"results_overdue","label":"Results overdue","value":"no","detail":"Results posted 2022-06-15","rule":"Primary completion (actual) more than 12 months ago and no results posted to the registry","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585?tab=results","date":"2026-11-11T22:25:44.318Z"},"context":[]}],"facts":[],"pending":[{"what":"Treated and evaluable counts, assessor, confirmed response, follow-up and data cutoff","source":"Readout extraction (ticket 32)"},{"what":"Primary endpoint changed between registry versions","source":"Registry versions in the store (ticket 32)"}]},{"n":3,"question":"What must it beat?","flags":[],"facts":[],"pending":[{"what":"Control-arm result and approved therapies for the same segment, with label links","source":"Drugs@FDA, FDA labels and readouts (tickets 30, 32)"}]},{"n":4,"question":"Too crowded, or too late?","flags":[],"facts":[{"label":"Stopped on this target","text":"75 terminated, withdrawn or suspended trials of drugs against RARG; 4 give no reason. Reasons are quoted as the registry gives them on the target page.","source":{"label":"RARG: what already stopped","url":"/target/ENSG00000172819#stopped","date":"2026-11-11T22:25:44.328Z"}}],"pending":[{"what":"Programs on the target by phase and months behind the leader","source":"Programs and Drugs@FDA (ticket 33)"}]},{"n":5,"question":"Can it be approved, and stay approved?","flags":[{"id":"single_country","label":"Single-country","value":"yes","detail":"The only site is in United States","rule":"All listed sites are in one country; the share of US sites is shown","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585?tab=locations","date":"2026-11-11T22:25:44.318Z"},"context":[]},{"id":"eu_pip","label":"EU paediatric investigation plan","value":"no","detail":"No EMA paediatric investigation plan decision names Isotretinoin","rule":"An EMA PIP decision (agreement, modification or waiver) lists the drug as its active substance, exact name","source":{"label":"EMA data download (dated snapshot)","url":"https://www.ema.europa.eu/en/documents/report/medicines-output-paediatric_investigation_plans-output-json-report_en.json","date":"2026-11-11T09:12:26Z"},"context":[]},{"id":"eu_orphan","label":"EU orphan designation","value":"yes","detail":"EU/3/22/2701 withdrawn 11 Oct 2022: Treatment of autosomal recessive congenital ichthyosis; EU/3/23/2760 withdrawn 15 Feb 2023: Treatment of recessive X-linked ichthyosis","rule":"An EU orphan designation lists the drug as its active substance (exact name) or belongs to a medicine that does; withdrawn and expired designations are listed with their status","source":{"label":"EMA data download (dated snapshot)","url":"https://www.ema.europa.eu/en/documents/report/medicines-output-orphan_designations-json-report_en.json","date":"2026-11-11T09:12:26Z"},"context":[]},{"id":"eu_authorised","label":"Authorised in the EU","value":"no","detail":"EMA lists no centrally authorised medicine of Isotretinoin","rule":"An EMA medicine record lists the drug as its active substance or INN, exact name; national-only authorisations are not in this file","source":{"label":"EMA data download (dated snapshot)","url":"https://www.ema.europa.eu/en/documents/report/medicines-output-medicines_json-report_en.json","date":"2026-11-11T09:12:26Z"},"context":[]},{"id":"fda_orphan","label":"FDA orphan designation","value":"not published","detail":"FDA's orphan designation database turns away automated requests, so this app does not read it; search it by hand at the link","rule":"Would be: an FDA orphan designation names the drug","source":{"label":"FDA orphan designations search","url":"https://www.accessdata.fda.gov/scripts/opdlisting/oopd/","date":""},"context":[]},{"id":"fda_ped_approval","label":"FDA pediatric oncology approval","value":"no","detail":"FDA's table lists no pediatric approval of Isotretinoin","rule":"FDA's Pediatric Oncology Drug Approvals table names the drug","source":{"label":"FDA Pediatric Oncology Drug Approvals (content current as of 2026-03-03)","url":"https://www.fda.gov/about-fda/oncology-center-excellence/pediatric-oncology-drug-approvals","date":"2026-11-11T22:25:44.337Z"},"context":[]},{"id":"studies_under_18","label":"Registered studies open to children","value":"yes","detail":"100 interventional studies of Isotretinoin include patients under 18; 13 are recruiting, not yet recruiting or active","rule":"The registry's age group includes Child (birth to 17 years), which also counts studies that set no minimum age","source":{"label":"ClinicalTrials.gov search","url":"https://clinicaltrials.gov/search?intr=%22Isotretinoin%22&aggFilters=ages%3Achild%2CstudyType%3Aint","date":"2026-11-11T22:25:44.348Z"},"context":[]}],"facts":[{"label":"Caveat","text":"Site counts are not patients per country, and trials registered only outside ClinicalTrials.gov are not covered. Where the sites are is a fact about the record, not a judgement of its quality."},{"label":"Rare pediatric disease voucher","text":"FDA, content current as of 29 Apr 2026: “As of February 3, 2026, enactment of the Consolidated Appropriations Act, 2026, the rare pediatric disease PRV program will sunset after September 30, 2029. FDA may not award any PRVs under this program after September 30, 2029.” Voucher sale prices are not shown here; they appear only as company-reported news.","source":{"label":"FDA: Rare Pediatric Disease Designation and Priority Review Voucher Programs","url":"https://www.fda.gov/industry/medical-products-rare-diseases-and-conditions/rare-pediatric-disease-designation-and-priority-review-voucher-programs","date":"2026-11-11"}}],"pending":[{"what":"Precedent approvals for target, modality and endpoint; accelerated-approval status","source":"Drugs@FDA and FDA accelerated-approval tables (ticket 30)"}]},{"n":6,"question":"Can the sponsor finish?","flags":[],"facts":[{"label":"Sponsor","text":"University Hospitals Cleveland Medical Center (academic or other)","source":{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"}},{"label":"principal investigator","text":"Alan J Lerner, MD, University Hospitals Cleveland Medical Center","source":{"label":"Person page","url":"/person/Alan%20J%20Lerner%2C%20MD","date":"2026-11-11T22:25:44.318Z"}}],"pending":[{"what":"Filed cash, quarterly spend and the runway arithmetic","source":"SEC XBRL company facts (ticket 37)"},{"what":"Sponsor's completed vs stopped oncology trials and results-reporting record","source":"Registry, by company (ticket 37)"}]}],"limits":"Public records cannot show: sales forecasts; a probability of success for this asset; full deal terms and net prices; FDA designations and action dates before approval (shown only as company-reported); clinical holds unless the company disclosed them; manufacturing; patents on unapproved drugs; whether preclinical findings have been replicated.","sources":[{"label":"ClinicalTrials.gov NCT01560585","url":"https://clinicaltrials.gov/study/NCT01560585","date":"2026-11-11T22:25:44.318Z"},{"label":"Open Targets Platform","url":"https://platform.opentargets.org","date":"2026-11-11T22:25:44.318Z"},{"label":"FDA Pediatric Molecular Target List (Listed as February 2026 on the FDA Pediatric Oncology page; the file served is 9.7.22_the_relevant_molecular_target_list.xlsx, whose Summary of Changes sheet is headed 'SEPTEMBER 2022 UPDATE' (footnote date 2022-09-01))","url":"https://www.fda.gov/media/191157/download?attachment","date":"2026-11-11T07:05:03Z"}]},"source":"ClinicalTrials.gov + Open Targets","fetchedAt":"2026-11-11T22:25:44.316Z"}