A * next to a definition means that it is a required value within a study.
The Database Structure: Study => Sections => Modules. You are currently viewing an Identification Module Field Definitions List within a Protocol Section.
NCTid *: The NCTid is the National Clinical Trial Identifier Number. It is assigned by the National Library of Medicine (NLM) at http://clinicaltrials.gov/ website when a new study appears in the NLM Clinical Trials data base. The format is like this: NCT0630xxxx. All Studies have an NCT ID, the entire system uses this as a unique identifier.
NCTid Alias List: A List of NCT's Related to this Study.
Org Study ID Info: The information is submitted by the Organization.
Brief Title *: A short title of the clinical study written in language intended for the lay public. The title should include, where possible, information on the participants, condition being evaluated, and intervention(s) studied. Limit: 300 characters.
Official Title *: The title of the clinical study, corresponding to the title of the protocol. Limit: 600 characters.
Acronym: An acronym or abbreviation used publicly to identify the clinical study, if any. Limit: 14 characters.
Secondary IDs: An identifier(s) (ID), if any, other than the organization's Unique Protocol Identification Number or the NCT number that is assigned to the clinical study. This includes any unique clinical study identifiers assigned by other publicly available clinical trial registries. If the clinical study is funded in whole or in part by a U.S. Federal Government agency, the complete grant or contract number must be submitted as a Secondary ID. Limit: 30 characters. If there is a Secondary ID, then the following information must be provided:
Secondary ID Type [*] Definition: A description of the type of Secondary ID. Select one.
U.S. National Institutes of Health (NIH) Grant/Contract Award Number: In the Secondary ID field, include activity code, institute code, and 6-digit serial number. Other components of the full award number (type code, support year, and suffix) are optional.
Other Grant/Funding Number: Identifier assigned by a funding organization other than the U.S. NIH; also required to enter the name of the funding organization.
Registry Identifier: Number assigned by a clinical trial registry (for example, a registry that is part of the World Health Organization [WHO] Registry Network); also required to enter the name of the clinical trial registry.
EudraCT Number: Identifier assigned by the European Medicines Agency Clinical Trials Database (EudraCT).
Other Identifier: Also required to enter a brief description of the identifier (for example, the name of organization that issued the identifier).
Description [*] Definition: If a Secondary ID Type of "Other Grant/Funding Number," "Registry Identifier," or "Other Identifier" is selected, provide the name of the funding organization, clinical trial registry, or organization that issued the identifier. Limited: 119 characters.