{"ok":true,"data":{"subject":{"kind":"trial","nctId":"NCT04241835","title":"A Study to Compare the Blood Levels and Safety of Tazemetostat in Participants With Advanced Cancer and Moderate/Severe Liver Impairment to Participants With Advanced Cancer and Normal Liver Function","sponsor":"Epizyme, Inc.","phases":["PHASE1"],"status":"TERMINATED","indication":null,"disease":"growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome"},"rows":[{"n":1,"question":"Is the biology right?","flags":[{"id":"somatic_driver","label":"Somatic driver evidence","value":"no","detail":"None of EZH2 has somatic-mutation evidence in growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome","rule":"Open Targets has somatic-mutation evidence for the target in this cancer","source":{"label":"Open Targets: EZH2 in growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome","url":"https://platform.opentargets.org/evidence/ENSG00000106462/MONDO_0014261","date":"2026-11-11T21:04:23.876Z"},"context":[]},{"id":"human_genetic","label":"Human genetic evidence","value":"no","detail":"No germline or somatic evidence for EZH2 in growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome","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: EZH2 in growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome","url":"https://platform.opentargets.org/evidence/ENSG00000106462/MONDO_0014261","date":"2026-11-11T21:04:23.876Z"},"context":[]},{"id":"pediatric_target","label":"Pediatric target","value":"yes","detail":"EZH2 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 NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},"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":"EZH2 (via Tazemetostat)","text":"Open Targets has no association between EZH2 and growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome.","source":{"label":"Open Targets: EZH2 in growth and developmental delay-hypotonia-vision impairment-lactic acidosis syndrome","url":"https://platform.opentargets.org/evidence/ENSG00000106462/MONDO_0014261","date":"2026-11-11T21:04:23.876Z"}}],"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 NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},"context":[]},{"id":"small_denominator","label":"Small denominator","value":"yes","detail":"18 enrolled; each patient moves a rate by 100 ÷ 18 = 5.6 points","rule":"Enrolment under 30; the arithmetic is shown, not a benchmark","source":{"label":"ClinicalTrials.gov NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},"context":[]},{"id":"primary_os","label":"Primary endpoint is overall survival","value":"no","detail":"To evaluate the pharmacokinetics (PK) of tazemetostat and its metabolite EPZ 6930, AUC0-t: area under the plasma conc…; To evaluate the pharmacokinetics (PK) of tazemetostat and its metabolite EPZ 6930, AUC0-∞: area under the plasma conc…; To evaluate the pharmacokinetics (PK) of tazemetostat and its metabolite EPZ 6930, AUC0-8: area under the plasma conc… (and 4 more)","rule":"A registered primary outcome measure names overall survival","source":{"label":"ClinicalTrials.gov NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},"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":"yes","detail":"Primary completion 2025-03-12, 20 months ago; no results posted","rule":"Primary completion (actual) more than 12 months ago and no results posted to the registry","source":{"label":"ClinicalTrials.gov NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},"context":[{"figure":"40.9% of applicable trials report results within a year","dataset":"Results-reporting studies summarised in spec §11","years":"all therapy areas","caveat":"All areas, not oncology only."}]}],"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":"21 terminated, withdrawn or suspended trials of drugs against EZH2. Reasons are quoted as the registry gives them on the target page.","source":{"label":"EZH2: what already stopped","url":"/target/ENSG00000106462#stopped","date":"2026-11-11T21:04:23.889Z"}}],"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":"no","detail":"14 sites in 5 countries; 8 in the United States (57%)","rule":"All listed sites are in one country; the share of US sites is shown","source":{"label":"ClinicalTrials.gov NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835?tab=locations","date":"2026-11-11T21:04:23.876Z"},"context":[]},{"id":"eu_pip","label":"EU paediatric investigation plan","value":"yes","detail":"EMEA-003055-PIP02-23 (tazemetostat, Treatment of follicular lymphoma): W: decision granting a waiver in all age groups for all conditions or indications, 25 Jul 2023","rule":"An EMA PIP decision (agreement, modification or waiver) lists the drug as its active substance, exact name","source":{"label":"EMA EMEA-003055-PIP02-23","url":"https://www.ema.europa.eu/en/medicines/human/paediatric-investigation-plans/emea-003055-pip02-23","date":"2026-11-11T09:12:26Z"},"context":[]},{"id":"eu_orphan","label":"EU orphan designation","value":"yes","detail":"EU/3/18/2004 withdrawn 21 Mar 2018: Treatment of diffuse large B-cell lymphoma; EU/3/18/2006 withdrawn 21 Mar 2018: Treatment of malignant mesothelioma; EU/3/18/2005 positive 21 Mar 2018: Treatment of follicular lymphoma","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 Tazemetostat","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":"yes","detail":"Tazemetostat [Tazverik], 23 Jan 2020: Treatment of adults and pediatric patients aged 16 years and older with metastatic or locally advanced epithelioid sarcoma not eligible for complete resection","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":"2026-11-11T21:04:23.896Z"},"context":[]},{"id":"studies_under_18","label":"Registered studies open to children","value":"yes","detail":"6 interventional studies of Tazemetostat include patients under 18; 3 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=%22Tazemetostat%22&aggFilters=ages%3Achild%2CstudyType%3Aint","date":"2026-11-11T21:04:23.904Z"},"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":"Epizyme, Inc. (industry)","source":{"label":"ClinicalTrials.gov NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"}},{"label":"study director","text":"Ipsen Medical Director, Ipsen","source":{"label":"Person page","url":"/person/Ipsen%20Medical%20Director","date":"2026-11-11T21:04:23.876Z"}}],"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 NCT04241835","url":"https://clinicaltrials.gov/study/NCT04241835","date":"2026-11-11T21:04:23.876Z"},{"label":"Open Targets Platform","url":"https://platform.opentargets.org","date":"2026-11-11T21:04:23.876Z"},{"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":"2026-11-11T21:04:23.872Z"}