Adverse events1,382

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

1 to 20 of 1,382

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Type	Event	Organ system	Group	Affected	At risk
other	Nausea	Gastrointestinal disorders	Letrozole	127	2,049
other	Nausea	Gastrointestinal disorders	Anastrozole	148	2,062
other	Fatigue	General disorders	Letrozole	345	2,049
other	Fatigue	General disorders	Anastrozole	341	2,062
other	Oedema peripheral	General disorders	Letrozole	100	2,049
other	Oedema peripheral	General disorders	Anastrozole	104	2,062
other	Radiation skin injury	Injury, poisoning and procedural complications	Letrozole	120	2,049
other	Radiation skin injury	Injury, poisoning and procedural complications	Anastrozole	88	2,062
other	Hypercholesterolaemia	Metabolism and nutrition disorders	Letrozole	155	2,049
other	Hypercholesterolaemia	Metabolism and nutrition disorders	Anastrozole	151	2,062
other	Arthralgia	Musculoskeletal and connective tissue disorders	Letrozole	983	2,049
other	Arthralgia	Musculoskeletal and connective tissue disorders	Anastrozole	983	2,062
other	Back pain	Musculoskeletal and connective tissue disorders	Letrozole	207	2,049
other	Back pain	Musculoskeletal and connective tissue disorders	Anastrozole	187	2,062
other	Bone pain	Musculoskeletal and connective tissue disorders	Letrozole	138	2,049
other	Bone pain	Musculoskeletal and connective tissue disorders	Anastrozole	120	2,062
other	Musculoskeletal pain	Musculoskeletal and connective tissue disorders	Letrozole	122	2,049
other	Musculoskeletal pain	Musculoskeletal and connective tissue disorders	Anastrozole	144	2,062
other	Myalgia	Musculoskeletal and connective tissue disorders	Letrozole	232	2,049
other	Myalgia	Musculoskeletal and connective tissue disorders	Anastrozole	211	2,062

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
ClinicalTrials.govNo license stated
NIH RePORTER's clinical studies and project filesPublic domain

Each source's terms

ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
ClinicalTrials.govnone stated
NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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GET https://conductscience.org/api/trials/v1/NCT00248170/events

API reference For AI assistants

Adverse events1,382

Sources 3

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