Adverse events32

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

1 to 20 of 32

Type	Event	Organ system	Group	Affected	At risk	Events
other	Vaso-Occlusive Crisis	Blood and lymphatic system disorders	Hydroxyurea	38	104	58
other	Vaso-Occlusive Crisis	Blood and lymphatic system disorders	Placebo	59	103	106
other	Pneumonia	Respiratory, thoracic and mediastinal disorders	Hydroxyurea	21	104	24
other	Pneumonia	Respiratory, thoracic and mediastinal disorders	Placebo	24	103	32
other	Clinical Sepsis	Infections and infestations	Hydroxyurea	6	104	8
other	Clinical Sepsis	Infections and infestations	Placebo	13	103	16
other	Upper Respiratory Tract Infection	Respiratory, thoracic and mediastinal disorders	Hydroxyurea	54	104	107
other	Upper Respiratory Tract Infection	Respiratory, thoracic and mediastinal disorders	Placebo	62	103	108
other	Gastrointestinal-related	Gastrointestinal disorders	Hydroxyurea	13	104	15
other	Gastrointestinal-related	Gastrointestinal disorders	Placebo	12	103	15
other	Malaria	Blood and lymphatic system disorders	Hydroxyurea	3	104	5
other	Malaria	Blood and lymphatic system disorders	Placebo	7	103	7
other	Other infections	Infections and infestations	Hydroxyurea	7	104	8
other	Other infections	Infections and infestations	Placebo	14	103	14
other	Others (e.g., injury)	Injury, poisoning and procedural complications	Hydroxyurea	7	104	7
other	Others (e.g., injury)	Injury, poisoning and procedural complications	Placebo	9	103	10
other	Anemia	Blood and lymphatic system disorders	Hydroxyurea	25	104	40
other	Anemia	Blood and lymphatic system disorders	Placebo	42	103	65
other	Thrombocytopenia	Blood and lymphatic system disorders	Hydroxyurea	11	104	12
other	Thrombocytopenia	Blood and lymphatic system disorders	Placebo	4	103	4

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.

For software

Read this list from software.

Twenty rows a page, as JSON. No key.

GET https://conductscience.org/api/trials/v1/NCT01976416/events

API reference For AI assistants

Adverse events32

Sources 3

Read this list from software.