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Record W2071043255 · doi:10.1359/jbmr.2003.18.6.1150

The Ethics of Placebo-Controlled Trials

2003· article· en· W2071043255 on OpenAlexafffundabout
Charles Weijer

Bibliographic record

VenueJournal of Bone and Mineral Research · 2003
Typearticle
Languageen
FieldMedicine
TopicEthics in Clinical Research
Canadian institutionsDalhousie University
FundersDalhousie UniversityConcert Pharmaceuticals
KeywordsPlaceboDeclaration of HelsinkiClinical trialMedicineOsteoporosisAlternative medicineResearch ethicsEngineering ethicsInformed consentPsychiatryInternal medicinePathology

Abstract

fetched live from OpenAlex

I WILL ADDRESS the ethics of placebo‐controlled trials in general and will not enter into the specifics of which sorts of trials may or may not ethically use a placebo control in osteoporosis. The reasons for this are 2‐fold. First, and most obviously, I am not an expert in the treatment of osteoporosis. Moral actions for the use of placebo controls turn on facts regarding the standard of care, in this case, for the treatment of osteoporosis. Experts in the field are in the best position to determine such facts, and the moral actions for osteoporosis trials follow by deductive logic from the framework I will outline. Second, the term “ethics” and what it might mean has come up repeatedly during this conference, even in the most scientific of presentations. We have heard the ethics of placebo‐controlled trials analyzed according to “use,” “social use,” and “economic analysis.” These are, I contend, wrong‐headed ways of approaching the ethics of research. I believe a paper that steps back from the particulars of this debate and addresses the ethics of research at a more conceptual level will be of greatest use.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.511
metaresearch head score (Gemma)0.632
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch, Research integrity
Consensus categoriesMetaresearch
DomainCandidate signal: Methods · Consensus signal: Methods
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Commentary · Consensus signal: Commentary
Teacher disagreement score0.970
Threshold uncertainty score0.603

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.5110.632
Meta-epidemiology (narrow)0.0020.002
Meta-epidemiology (broad)0.0060.002
Bibliometrics0.0040.004
Science and technology studies0.0040.052
Scholarly communication0.0190.017
Open science0.0060.008
Research integrity0.0300.035
Insufficient payload (model declined to judge)0.0040.003

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.725
GPT teacher head0.660
Teacher spread0.065 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; the direct Gemma label and the distilled Codex classifier agree on what is shown here.

Study designTheoretical or conceptual
DomainMethods
GenreCommentary

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations9
Published2003
Admission routes3
Has abstractyes

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