Yes

studies

disposition_first_posted_date

date

The date on which information about a certification to delay submission of results or an extension request was first available on ClinicalTrials.gov. ClinicalTrials.gov does not indicate whether the submission was a certification or extension request. There is typically a delay between the date the study sponsor or investigator submitted the certification or extension request and the first posted date.

Disp First Post Date

Yes

studies

disposition_first_posted_date_type

character varying

Due to data requirements and collections over the years, some studies might have "Estimate" dates

Disp First Post Date Type

Yes

studies

last_update_submitted_qc_date

date

The most recent date on which the study sponsor or investigator submitted changes to a study record to ClinicalTrials.gov. There is typically a delay of a few days between the last update submitted date and when the date changes are posted on ClinicalTrials.gov (the last update posted date).

Last Update Submit Date

Yes

studies

last_update_posted_date

date

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.

Last Update Post Date

Yes

studies

last_update_posted_date_type

character varying

Due to data requirements and collections over the years, some studies might have "Estimate" dates

Last Update Post Date Type

Yes

studies

start_month_year

character varying

-

Start Date

Yes

studies

start_date_type

character varying

Date Type

Start Date Type

Yes

studies

start_date

date

-

Start Date

Yes

studies

verification_month_year

character varying

-

Status Verified Date

Yes

studies

verification_date

date

-

Status Verified Date

Yes

studies

completion_month_year

character varying

-

Completion Date

Yes

studies

completion_date_type

character varying

-

Completion Date Type

Yes

studies

completion_date

date

-

Completion Date

Yes

studies

primary_completion_month_year

character varying

-

Primary Completion Date

Yes

studies

primary_completion_date_type

character varying

-

Primary Completion Date Type

Yes

studies

primary_completion_date

date

-

Primary Completion Date

Yes

studies

target_duration

character varying

-

Target Duration

Yes

studies

study_type

character varying

-

Study Type

Yes

studies

acronym

character varying

-

Acronym

Yes

studies

baseline_population

text

-

Baseline Population Description