{"public_id":"co_49c3cd4935c3ca488e9c5e0c5a871b07","status":"active","merged_into_public_id":null,"resolved_public_id":"co_49c3cd4935c3ca488e9c5e0c5a871b07","name":"placebo","description":"An inactive comparator used to control for non-drug effects in the treatment arms.","aliases":[],"types":["control"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"concept","status":"active","confidence":null,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","concept.status"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"papers":[{"corpus_id":12040695,"title":"Influence of higher than conventional doses of oxitropium bromide on formoterol-induced bronchodilation in COPD.","citation_count":16,"url":"https://sah.borca.ai/papers/12040695"}],"claims":[{"public_id":"cl_bf50b1f271e43e0fb00aa964b92e8f49","text":"Oxitropium bromide produced an evident increase in FEV1, whereas placebo did not show the same dose-response effect.","corpus_id":12040695,"url":"https://sah.borca.ai/claims/cl_bf50b1f271e43e0fb00aa964b92e8f49"}],"related_concepts":[],"resolved_url":"https://sah.borca.ai/concepts/co_49c3cd4935c3ca488e9c5e0c5a871b07","url":"https://sah.borca.ai/concepts/co_49c3cd4935c3ca488e9c5e0c5a871b07"}