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abstractarms
abstractarms
In interventional studies, an arm is a group of study subjects associated with a given treatment assignment. Arm information is required for Complete trials, and is optional for Abbreviated trials. Anchor61276127 

When adding arms to a trial, you assign to them the interventions currently abstracted for the trial. For instructions on abstracting interventions, refer to Abstracting Interventions.

The following rules apply to each trial: Anchor58545854 

  • There must be at least one arm/group that implies that the entire study subject population receives the same intervention.

  • The number of arms/groups added to the trial must coincide with the number indicated in the trial’s Design Details. See Abstracting Interventional Trial Design Details.

  • Every arm must have at least one assigned intervention (except for the arm type "no intervention").
  • Every intervention must be assigned to at least one arm.
  • There must be only one arm with the same combination of description and associated intervention.
  • Arm details for single-arm trials are not required.

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addarm
addarm

You can add one or more arms to a trial according to the trial’s design details.

How to Add Arms

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Search for the trial of interest. For instructions, refer to Searching for Trials in PA.

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In the search results, click the NCI Trial Identifier link for that trial. The Trial Identification page appears.

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On the Trial Identification page, check out the trial. For instructions, refer to Checking In and Checking Out Trials. (This checkout step is optional for Super Abstractors.)

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On the Scientific Data menu, click Arms. The Arms page appears, with or without any arm records displayed.

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In the drop-down lists and text fields, select or enter the appropriate information. The following table describes the fields. An asterisk (*) indicates a required field.

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Trial Description

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Instruction

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Label*

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Type the descriptive name of the arm.

Adding Arms

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Adding Arms -

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Type*

Select the appropriate arm function. Valid values are as follows: 

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Include v4.4

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Adding Arms - Include v4.4

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Arm Description

Type a brief description of the arm.

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Assignment

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For arm types other than No Intervention, select the check box in the column for the intervention assigned to the current arm.


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editarm
editarm
Editing Arms

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Editing Arms

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Editing Arms - Include v4.4

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Editing Arms

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deletearm

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You can edit arm records as necessary.

How to Edit Arm Records

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Search for the trial of interest. For instructions, refer to Searching for Trials in PA.

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In the search results, click the NCI Trial Identifier link for that trial. The Trial Identification page appears.

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On the Trial Identification page, check out the trial. For instructions, refer to Checking In and Checking Out Trials. (This checkout step is optional for Super Abstractors.)

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On the Scientific Data menu, click Arms. The Arms page appears.

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deletearm
Deleting Arms

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Deleting Arms

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Deleting Arms - Include v4.4

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Deleting Arms

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When you delete arms from a trial, you delete them from the system, and can not recover them.

How to Delete Arms

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Search for the trial of interest. For instructions, refer to Searching for Trials in PA.

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In the search results, click the NCI Trial Identifier link for that trial. The Trial Identification page appears.

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On the Trial Identification page, check out the trial. For instructions, refer to Checking In and Checking Out Trials. (This checkout step is optional for Super Abstractors.)

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On the Scientific Data menu, click Arms. The Arms page appears.

In the Delete column for the appropriate record, click the Delete icon.

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