[{"id":"clinicaltrials-gov","kind":"collection","name":"ClinicalTrials.gov","aka":[],"tldr":"ClinicalTrials.gov is the master list of clinical trials. Every trial on this site links to its record.","summary":"ClinicalTrials.gov is the registry and results database of more than 500,000 clinical studies worldwide, run by the NIH National Library of Medicine and released as public domain US Government work. Registration is mandatory for US trials, and API v2 gives structured access to eligibility criteria, arms, outcome measures and posted results, which makes it the backbone of any trial-matching tool. Every trial on Nuclide links to its ClinicalTrials.gov record, and the collection is tied to the technology AI trial matching and clinical decision support. It is also cited by bottleneck records including Trials enrol too few, too slowly, Failures are hidden, Data silos and Weak real-world evidence and registries, and by ideas such as One standing umbrella trial for all rare cancers in a country.","asOf":"2026-09-04","links":[{"label":"ClinicalTrials.gov","url":"https://clinicaltrials.gov"}],"tags":[],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://clinicaltrials.gov","holds":"Registry and results database of >500,000 clinical studies worldwide.","license":"Public domain (US Government)","maintainer":"NIH / NLM"},{"id":"eanm-guidelines","kind":"collection","name":"EANM Guidelines","aka":[],"tldr":"The European nuclear medicine society's free rulebooks for how to correctly perform each type of scan or radioactive treatment.","summary":"The European Association of Nuclear Medicine (EANM) publishes and maintains a repository of procedure guidelines organised by organ system and application area (oncology, cardiovascular, central nervous system, paediatric, therapy, and more), plus the free-to-access European Nuclear Medicine Guide, a comprehensive handbook first launched in October 2018 (2026 edition released) covering basic science, in vivo imaging, hybrid imaging, radionuclide-guided surgery, dosimetry, radionuclide therapy and radiation protection. Many guidelines are developed jointly with SNMMI and other national societies, for example the joint EANM/SNMMI FDG PET/CT tumour-imaging guideline (version 3.0, 2025) and the EANM/SNMMI Tau PET recommendations (2026).\n\nEANM guidelines are distinct from EANM's journal publishing: EANM ended its long-standing publishing partnership with Springer Nature and the EJNMMI journal family at the end of 2024, and in 2025 launched two of its own open-access journals with Elsevier, The EANM Journal and EANM Innovation. The guidelines repository is unaffected by that change and continues to sit on eanm.org.\n\nAll guideline documents and the European Nuclear Medicine Guide are free to read online or via a companion mobile app, with no paywall, making EANM's guidance the most openly accessible procedural reference in the field alongside SNMMI's.","asOf":"2026-09-22","links":[{"label":"EANM: Guidelines","url":"https://eanm.org/publications/guidelines/"},{"label":"EANM: European Nuclear Medicine Guide","url":"https://eanm.org/publications/useful-resources/nuclear-medicine-guide/"},{"label":"EANM: Release of the 2026 European Nuclear Medicine Guide","url":"https://eanm.org/news/release-of-the-2026-european-nuclear-medicine-guide-jan-2026/"}],"tags":["guidelines","practice standards"],"related":["snmmi-procedure-standards"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["eanm"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://eanm.org/publications/guidelines/","holds":"Procedure guidelines for nuclear medicine imaging and radionuclide therapy organised by clinical area (oncology, cardiovascular, CNS, paediatric, therapy and more), plus the free European Nuclear Medicine Guide handbook and app.","license":"Free to read online and via the companion app; no cost or registration.","maintainer":"European Association of Nuclear Medicine (EANM), in collaboration with the European Union of Medical Specialists/European Board of Nuclear Medicine (UEMS/EBNM) for the European Nuclear Medicine Guide."},{"id":"iaea-isotope-databases","kind":"collection","name":"IAEA nuclear data and isotope databases","aka":[],"tldr":"A set of free online tools from the UN's nuclear agency that show the physical properties of every known radioactive atom, including the ones used in cancer scans and treatments.","summary":"The IAEA Nuclear Data Section maintains several linked, free web tools. The Live Chart of Nuclides (also an offline mobile app) gives an interactive chart of nuclear structure and decay data drawn mainly from the Evaluated Nuclear Structure Data Files (ENSDF), including half-lives, branching ratios, gamma-ray energies and intensities, and decay-scheme diagrams for essentially all known nuclides, with a Python API and CSV download service. A companion Medical Isotope Browser focuses on production routes and yield calculations for medically relevant isotopes, and a Decay Data Library Comparison tool lets users check discrepancies between evaluated libraries.\n\nThese tools underpin the physical constants (half-life, emission type and energy, branching ratio) that isotope records in this graph cite, and are also the reference the IAEA's own Rays of Hope initiative and Member State technical cooperation programmes use when planning isotope production and supply.\n\nAccess is free and does not require registration; the underlying evaluated data files (ENSDF and related libraries) are curated through the international Network of Nuclear Structure and Decay Data Evaluators that the IAEA coordinates.","asOf":"2026-09-22","links":[{"label":"IAEA Live Chart of Nuclides","url":"https://nds.iaea.org/relnsd/vcharthtml/VChartHTML.html"},{"label":"IAEA Nuclear Data Section: Global overview (databases and web applications)","url":"https://nds.iaea.org/indc/docs/presentations/INDC-2024-Global-overview.pdf"},{"label":"IAEA Livechart Data Download API guide","url":"https://www-nds.iaea.org/relnsd/vcharthtml/api_v0_guide.html"}],"tags":["isotopes","physics","open data"],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["iaea"],"pathways":[],"terms":["half-life"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://nds.iaea.org/relnsd/vcharthtml/VChartHTML.html","holds":"Nuclear structure and decay data (half-lives, decay modes, branching ratios, gamma/particle emission energies and intensities) for essentially all known nuclides, plus a medical isotope browser for production yield estimates and a decay-data library comparison tool.","license":"Free public access; underlying evaluated data (ENSDF and related libraries) are curated by an international network of national data centres coordinated by the IAEA.","maintainer":"IAEA Nuclear Data Section, International Atomic Energy Agency."},{"id":"icrp-publications","kind":"collection","name":"ICRP publications and dose coefficient databases","aka":[],"tldr":"The international body that sets the reference numbers used to work out how much radiation dose a patient, worker or member of the public gets, published as reports and downloadable spreadsheets.","summary":"The International Commission on Radiological Protection (ICRP) publishes Annals of the ICRP, the series that includes the reference decay-data compilation (Publication 107), the reference phantom anatomy (Publication 110) used by dosimetry projects such as OpenDose, and the successive compendia of dose coefficients for intakes of radionuclides by workers and the public (Publications 68, 72, 119, 130, 134, 137, 141, 151, 158 and related Occupational Intakes of Radionuclides and Public Intakes of Radionuclides series).\n\nAlongside the journal articles, ICRP releases free companion tools: a Dose Viewer mobile app, Electronic Annex/Data Viewer packages for the OIR and PIR series, an Excel-based viewer for Publication 116 external dose conversion coefficients, an EDC viewer for Publication 144 environmental dose-rate coefficients, and BiotaDC, a browser tool for non-human biota dose coefficients (Publication 136). Some older compilations were issued as standalone CDs (ICRP CD1, CD3).\n\nFor this graph, ICRP material is the primary reference for the physical dose coefficients that regulatory dose limits, radiopharmacy shielding calculations and internal dosimetry software ultimately rest on. The journal articles themselves sit behind a SAGE subscription/pay-per-issue paywall; the calculators, viewers and apps are free.","asOf":"2026-09-22","links":[{"label":"ICRP: Publications","url":"https://www.icrp.org/page.asp?id=5"},{"label":"ICRP: Dose Assessment Resources (viewers, apps, datasets)","url":"https://icrp.org/page.asp?id=505"},{"label":"ICRP Publication 107: Nuclear Decay Data for Dosimetric Calculations","url":"https://www.icrp.org/publication.asp?id=ICRP%20Publication%20107"}],"tags":["dosimetry","regulation","physics"],"related":["opendose"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["dosimetry"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://www.icrp.org/page.asp?id=5","holds":"The Annals of the ICRP publication series (dose coefficients for workers, the public and patients; reference phantoms; decay data) plus free dose-viewer apps, Excel/CSV datasets and calculators tied to specific ICRP publications.","license":"Annals of the ICRP articles are sold/subscribed through SAGE Publications; the dose-coefficient datasets, viewers and apps listed on icrp.org are free to download and use.","maintainer":"International Commission on Radiological Protection (ICRP), an independent, UK-registered scientific commission."},{"id":"imaging-data-commons","kind":"collection","name":"NCI Imaging Data Commons (IDC)","aka":[],"tldr":"A free, US government-run online library of cancer scan images that any researcher can browse and download without asking permission first.","summary":"The Imaging Data Commons (IDC) is a cloud-based repository within the US National Cancer Institute's Cancer Research Data Commons (CRDC), launched to support cancer imaging research on the cloud as part of the Cancer Moonshot. It holds over 100 TB of radiology, histopathology and fluorescence slide microscopy images together with image-derived data such as annotations, segmentations and quantitative measurements, plus accompanying clinical data, all harmonised to the DICOM standard.\n\nAll data in IDC is publicly available with no registration or access request required, distinguishing it from most other CRDC nodes that gate genomic or clinical data behind data-use agreements. The web portal integrates a customised OHIF viewer supporting visualisation of DICOM segmentation and radiotherapy structure sets, and lets users define patient cohorts from metadata and export them for downstream analysis alongside other CRDC data types (genomic, proteomic).\n\nFor radiopharmaceutical research, IDC is a source of curated PET/CT and other molecular imaging collections (including some PSMA and FDG PET datasets contributed by NCI-funded studies or individual investigators) that can be used to develop and validate quantitative imaging biomarkers without needing bespoke data-sharing agreements with individual institutions.","asOf":"2026-09-22","links":[{"label":"NCI Imaging Data Commons portal","url":"https://portal.imaging.datacommons.cancer.gov/"},{"label":"NCI CRDC: Imaging Data Commons overview","url":"https://datacommons.cancer.gov/repository/imaging-data-commons"},{"label":"Fedorov et al., Cancer Res 2021: NCI Imaging Data Commons","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC8373794/"}],"tags":["open data","imaging","United States"],"related":["tcia"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["nci"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://portal.imaging.datacommons.cancer.gov/","holds":"Over 100 TB of publicly available, DICOM-harmonised cancer imaging data (radiology, histopathology, fluorescence slide microscopy) with image-derived annotations, segmentations and quantitative measurements, plus linked clinical data, co-located with cloud analysis tools.","license":"All data are publicly available with no registration or access request, subject to NCI data-use agreements specific to individual contributed datasets.","maintainer":"US National Cancer Institute (NCI), as a node of the Cancer Research Data Commons (CRDC)."},{"id":"opendose","kind":"collection","name":"OpenDose","aka":[],"tldr":"A free online resource that lets nuclear medicine physicists look up how much radiation dose different organs receive from radioactive drugs, instead of everyone recalculating it from scratch.","summary":"OpenDose is a collaboration of about 18 international research teams that produces and shares specific absorbed fractions (SAFs) and S values for internal dosimetry, calculated with six Monte Carlo radiation-transport codes (EGSnrc/EGS++, FLUKA, GATE, Geant4, MCNP/MCNPX and PENELOPE) run in parallel so results can be cross-checked. Data are generated for the source/target region combinations of the ICRP Publication 110 adult reference phantoms (male and female), with radionuclide decay data taken from ICRP Publication 107, and are stored in a relational database with their statistical uncertainties for traceability.\n\nThe website displays interactive plots of S values for 1,252 radionuclides and lets users download the underlying data as CSV. As of the project's 2020 description it held over 11 million SAF entries spanning 2 phantom models, 141 source regions, 172 target regions and 91 energies. The collaboration also aims to extend the work to voxel-based (patient-specific) dosimetry models and to publish software and educational material alongside the data.\n\nFor a radiopharmaceutical record in this graph, OpenDose is most useful as the traceable source of the physical dosimetry inputs (S values, SAFs) that feed patient dose calculations for isotopes such as lutetium-177 or actinium-225, complementing but not replacing clinical dosimetry guidelines.","asOf":"2026-09-22","links":[{"label":"OpenDose project mirror","url":"https://opendose.polsl.pl/project/"},{"label":"OpenDose S values tool","url":"https://opendose.polsl.pl/svalues/"},{"label":"Chauvin et al., J Nucl Med 2020: OpenDose: Open-Access Resource for Nuclear Medicine Dosimetry","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC7539649/"}],"tags":["dosimetry","open data","physics"],"related":["lu-177","ac-225"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["dosimetry"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://opendose.polsl.pl/project/","holds":"Specific absorbed fractions (SAFs) and S values for internal dosimetry across 1,252 radionuclides, computed with six Monte Carlo codes on the ICRP 110 adult reference phantoms; downloadable as CSV, with a bibliography and lecture material.","license":"Free public access for viewing and CSV download; the collaboration is open to new contributing research teams. No formal open-data licence is stated on the site.","maintainer":"OpenDose collaboration, an international network of academic nuclear medicine physics groups (coordination includes INSERM, Toulouse); mirrored by Politechnika Śląska (Silesian University of Technology, Poland)."},{"id":"prostate-cancer-foundation","kind":"collection","name":"Prostate Cancer Foundation (PCF)","aka":[],"tldr":"Michael Milken's prostate cancer foundation, which funded the science behind abiraterone, enzalutamide and PSMA therapy and runs a precision-oncology network in US veterans' hospitals.","summary":"Founded 1993 (as CaP CURE). PCF-funded research contributed to abiraterone, enzalutamide, radium-223, PSMA imaging and radioligands, and germline testing guidance; the PCF-VA network provides genomic testing and trials to veterans; the Young Investigator awards have trained a generation of researchers. Patient resources include the Prostate Cancer Patient Guide and a Black-community outreach programme; ZERO Prostate Cancer and Movember are major partner organisations for support and awareness.","asOf":"2026-09-08","links":[{"label":"PCF","url":"https://www.pcf.org/"},{"label":"ZERO Prostate Cancer","url":"https://zerocancer.org/"},{"label":"Movember","url":"https://us.movember.com/"}],"tags":["gap-fill","patient-org"],"related":["prostate","psma","psma-pet","pluvicto","abiraterone","enzalutamide","ra-223"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://www.pcf.org/","holds":"The largest philanthropic funder of prostate cancer research (>$1 billion), Challenge Awards and Young Investigator programme, the PCF-VA Precision Oncology Program, patient guides, and the annual Scientific Retreat.","license":"Copyright PCF","maintainer":"PCF"},{"id":"src-snmmi","kind":"collection","name":"SNMMI Annual Meeting","aka":[],"tldr":"The SNMMI Annual Meeting, held each June by the Society of Nuclear Medicine and Molecular Imaging, is where new PET tracers, radioligand therapy results and dosimetry work are first presented. Abstracts are free as a Journal of Nuclear Medicine supplement, and that journal carries the field's papers through the rest of the year.","summary":"The SNMMI Annual Meeting is the theranostics meeting, held each June by the Society of Nuclear Medicine and Molecular Imaging. It holds nuclear medicine and theranostics content: new tracers, radioligand therapy data and dosimetry. Abstracts are free as a Journal of Nuclear Medicine supplement, and that journal carries the field's papers through the rest of the year. On Nuclide it is tagged source and congress, and it is linked from the journal record Journal of Nuclear Medicine and the institution record Society of Nuclear Medicine and Molecular Imaging.","asOf":"2026-09-08","links":[{"label":"SNMMI Annual Meeting","url":"https://www.snmmi.org/"}],"tags":["source","congress"],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["snmmi"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":["journal-of-nuclear-medicine"],"dependsOn":[],"notes":[],"url":"https://www.snmmi.org/","holds":"Nuclear medicine and theranostics: new tracers, radioligand therapy data, dosimetry.","license":"Abstracts free (Journal of Nuclear Medicine supplement)","maintainer":"Society of Nuclear Medicine and Molecular Imaging"},{"id":"snmmi-procedure-standards","kind":"collection","name":"SNMMI Procedure Standards","aka":[],"tldr":"The US nuclear medicine society's rulebooks for how to correctly perform each type of scan or radioactive treatment, so results are comparable between hospitals.","summary":"The SNMMI Committee on Procedure Standards maintains around 80 procedure standards and practice guidelines covering nuclear medicine imaging and radionuclide therapy procedures, from FDG PET/CT and bone scintigraphy to newer documents such as the SNMMI/ACNM guideline on post-treatment imaging of 177Lu-based radiopharmaceutical therapies (2025) and joint SNMMI/EANM/ASNC/ACNM guidance on 18F-flurpiridaz PET myocardial perfusion imaging (2025). Many standards are developed jointly with EANM and other national societies (ANZSNM, CANM, CSNM) so that the same procedure recommendations apply across regions.\n\nEach document specifies patient preparation, tracer administration, acquisition protocol, processing, interpretation and reporting elements, aiming to standardise practice across institutions well enough that multicentre trial and registry data are comparable. Standards go through a public comment period before being formally approved.\n\nThe documents are freely viewable and downloadable from the SNMMI website for individual professional use; the site explicitly prohibits unauthorised copying or reprinting, so they are open-access in practice but not openly licensed.","asOf":"2026-09-22","links":[{"label":"SNMMI: Procedure Standards","url":"https://snmmi.org/Web/Web/Clinical-Practice/Procedure-Standards/Procedure-Standards.aspx"},{"label":"SNMMI: General Imaging 6.0 procedure standard (example)","url":"https://snmmi.org/Web/Web/Clinical-Practice/Procedure-Standards/Standards/General-Imaging-6-0.aspx"}],"tags":["guidelines","practice standards"],"related":["eanm-guidelines","f-18","lu-177"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["snmmi"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://snmmi.org/Web/Web/Clinical-Practice/Procedure-Standards/Procedure-Standards.aspx","holds":"About 80 procedure standards and practice guidelines for nuclear medicine imaging and radionuclide therapy procedures, each covering patient preparation, tracer administration, acquisition, processing, interpretation and reporting.","license":"Free to view and download for individual professional use; SNMMI states that copying or unauthorised printing of the documents is prohibited.","maintainer":"Society of Nuclear Medicine and Molecular Imaging (SNMMI), Committee on Procedure Standards."},{"id":"tcia","kind":"collection","name":"The Cancer Imaging Archive (TCIA)","aka":[],"tldr":"The public archive of cancer scans that most radiology AI is trained and tested on.","summary":"The Cancer Imaging Archive (TCIA) holds de-identified cancer imaging, CT, MRI, PET and pathology, linked to TCGA and to clinical trials, and it is the main training and testing source for radiology AI models. It has over 200 collections, pairs with TCGA genomics for radiogenomics, and is accessed through the NBIA portal and the Imaging Data Commons. TCIA is run by the NCI with the University of Arkansas; most collections are CC BY, with terms set per collection. On Nuclide it is tagged data, linked to the technology AI in radiology and the institution National Cancer Institute (NIH), and cited by the idea One certified open-source de-identification pipeline for scans and slides.","asOf":"2026-09-08","links":[{"label":"The Cancer Imaging Archive (TCIA)","url":"https://www.cancerimagingarchive.net"}],"tags":["data"],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":["nci"],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://www.cancerimagingarchive.net","holds":"De-identified cancer imaging (CT, MRI, PET, pathology) linked to TCGA and clinical trials; the main training source for radiology models.","license":"Mostly CC BY; per-collection","maintainer":"NCI / University of Arkansas"},{"id":"src-urotoday","kind":"collection","name":"UroToday","aka":[],"tldr":"UroToday is the prostate, bladder, and kidney cancer feed, including PSMA and radioligand news.","summary":"UroToday is the daily feed for prostate, bladder and kidney cancer, holding genitourinary oncology abstracts, conference coverage and expert video, including PSMA and radioligand news. It is published by Digital Science Press and is free with registration. Its conference coverage of ASCO GU, EAU, AUA and the PSMA conference is exhaustive, which makes it the quickest way to follow a genitourinary meeting without attending. On Nuclide it is listed as a source with the tags source and news, read for the genitourinary cancers and for radioligand therapy news.","asOf":"2026-09-08","links":[{"label":"UroToday","url":"https://www.urotoday.com/"}],"tags":["source","news"],"related":[],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://www.urotoday.com/","holds":"Genitourinary oncology abstracts, conference coverage, and expert video.","license":"Free with registration","maintainer":"Digital Science Press"},{"id":"nrc-regulations-part35","kind":"collection","name":"US NRC 10 CFR Part 35 (Medical Use of Byproduct Material)","aka":[],"tldr":"The US federal rulebook that says which doctors and hospitals are allowed to give patients radioactive drugs, and what safety checks they must do.","summary":"Title 10, Part 35 of the US Code of Federal Regulations is the US Nuclear Regulatory Commission's rule set governing the medical use of byproduct (radioactive) material. It covers licensing of authorised users, authorised nuclear pharmacists and authorised medical physicists (Subparts A-C); unsealed material used without a written directive, such as diagnostic uptake and imaging studies (Subpart D); unsealed material requiring a written directive, i.e. most therapeutic radiopharmaceuticals (Subpart E); manual brachytherapy (Subpart F); sealed diagnostic sources (Subpart G); teletherapy and afterloader units (Subpart H); other medical uses (Subpart K, section 35.1000); and recordkeeping, reporting and enforcement (Subparts L-N).\n\nPart 35 sets the practical requirements that shape how lutetium-177, actinium-225, iodine-131 and other therapeutic radiopharmaceuticals are prescribed and administered in the United States: written directives, dose measurement before administration, medical event reporting thresholds, and patient-release criteria after therapy (35.75). NRC licenses cover roughly 40% of medical byproduct-material use directly; the remainder is regulated by 39 Agreement States that adopt compatible rules, so Part 35 also functions as the de facto national baseline.\n\nThe regulation text itself is freely available and is a primary source for approvals-adjacent facts (dose thresholds, reporting triggers) that should be cited directly rather than paraphrased from secondary summaries.","asOf":"2026-09-22","links":[{"label":"eCFR: 10 CFR Part 35 — Medical Use of Byproduct Material","url":"https://www.ecfr.gov/current/title-10/chapter-I/part-35"},{"label":"NRC: FAQs about licensing medical uses under Part 35","url":"https://www.nrc.gov/materials/miau/med-use-toolkit/faqs-part35"}],"tags":["regulation","United States","safety"],"related":["lu-177","ac-225","i-131"],"indications":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":["radiotherapy"],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"url":"https://www.ecfr.gov/current/title-10/chapter-I/part-35","holds":"The full current text of 10 CFR Part 35, all subparts (licensing, technical requirements, diagnostic and therapeutic unsealed material, brachytherapy, teletherapy, records, reports, enforcement), continuously updated by the Electronic Code of Federal Regulations.","license":"US federal regulatory text; public domain, freely reproducible.","maintainer":"US Nuclear Regulatory Commission (NRC), published via the Electronic Code of Federal Regulations (eCFR), a joint project of the National Archives and the Government Publishing Office."}]