Search Trials by lead sponsor.

SELECT id, nct_id, brief_title, official_title, sponsors, source, oversight_info, brief_summary, detailed_description, status, start_date, completion_date, phase, study_type, has_expanded_access, study_design_info, primary_outcomes, secondary_outcomes, intervention, eligibility, location, urls, "references", keywords, intervention_browse, provided_documents, created_at, updated_at FROM public.studies where sponsors -> 'lead_sponsor' ->> 'agency' = 'National Institute of Allergy and Infectious Diseases (NIAID)'