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In this study, subjects were randomized to one of three nicotine dosage levels. At the baseline visit (Week 0), they receiving an ENDS  device that used  0, 8 or 24 mg/ml nicotine liquid. Self-reported daily cigarette consumption were recorded for each day of the study for 4 weeks. The subjects were supplied replacement nicotine cartridges at each weekly visit. The sponsor used an electronic diary application to track when the cartridge were replaced, and the daily number of cigarettes smoked. The subject used their normal brand cigarettes, and these were not supplied by the sponsor, and not considered a study product.  Each cartridge was 8 mL.  No other Nicotine replacement products were allowed to be used.  Multiple cartridges were dispensed at a visit.   

The sponsor reported the cigarettes used in the in the SU domain. The number of cigarettes smoked for each day of the study after the first visit were represented. If no cigarettes were smoked, a 0 was recorded.  Only a few rows are shown.    

su.xpt

xx.xpt

RowSTUDYIDDOMAINUSUBJIDSUSEQSUTRTSUCATSUDOSESUDOSUSUDOSFRQSUSTDTCSUENDTC
1TENDS01SUABC-010011CIGARETTESTOBACCO6CIGARETTEPER DAY2020-06-272020-06-27
2TENDS01SUABC-010011CIGARETTESTOBACCO1CIGARETTEPER DAY2020-06-282020-06-28
3TENDS01SUABC-010011CIGARETTESTOBACCO0CIGARETTEPER DAY2020-06-292020-06-29
$warningHtml

A Product Accountability domain was submitted to represent dispensed and returned amounts. Each cartridge had a uniquely assigned number. This unique number was represented in DAREF. Multiple cartridges were dispensed at weekly visits, but each cartridge was tracked. At each weekly visit, all previously dispended cartridges were returned, and new cartridges dispensed.  Cartridges were replaced at each visit. DADTC are the visit dates when the cartridge was returned or dispensed.  Cartridges not used were record as having the full volume returned.    

da.xpt

xx.xpt

RowSTUDYIDDOMAINUSUBJIDDASEQDAREFIDDATESTCDDATESTDACATDAORRESDAORRESUDASTRESCDASTRESNDASTRESUVISITNUMDADTC
1ABCDAABC-01001

1

CRT8754DISPAMTDispensed AmountSTUDY PRODUCT8mL88mL12004-06-26
2ABCDAABC-01001

2

CRT8768DISPAMTDispensed AmountSTUDY PRODUCT8mL88mL12004-06-26
3ABCDAABC-01001

3

CRT8769DISPAMTDispensed AmountSTUDY PRODUCT8mL88mL12004-06-26
4ABCDAABC-01001

4

CRT8754RETAMTReturned AmountSTUDY PRODUCT2mL66mL22020-07-06
2ABCDAABC-01001

5

CRT8768RETAMTReturned AmountSTUDY PRODUCT1.6mL88mL22020-07-06
3ABCDAABC-01001

6

CRT8769RETAMTReturned AmountSTUDY PRODUCT8mL88mL22020-07-06
5ABCDAABC-01001

7

CRT9756DISPAMTDispensed AmountSTUDY PRODUCT8mL 88mL22020-07-06
6ABCDAABC-01001

8

CRT9756RETAMTReturned AmountSTUDY PRODUCT1.0mL1.31.3mL32020-07-10

Dataset Debug Message

There is a leading, trailing, or non-breaking space in the dataset.

 Since the data in Exposure as collected (EC) would be practically identically to the summarized EX domain, the sponsor did not submit the EC domain. The sponsor unblinded the study before creating the EX domain. The unblinded product name is provided in EXTRT, here a dummy name is used for the tobacco product.  

The domain represented the number of cartridges used (in this example always 1 since each cartridge was tracked), the total amount amount of liquid product used determined from the DA domain and the associated nicotine pharmaceutical strength of each cartridge. The sponsored used this information in the analysis. The summaries included in the analysis  were the estimated number of cartridges used per week, and the estimated nicotine exposer from the cartridges per day.    

$titleHtml

ex.xpt

RowSTUDYIDDOMAINUSUBJIDEXSEQEXREFIDEXTRTEXDOSEEXDOSUEXROUTEEXPSTRGEXPSTRGEXSTDTCEXENDTC
1TENDS01EX10001 1CRT8754e-nicotine liquid6mLINHALED8mg/mL2020-06-262020-07-01
2TENDS01EC10001 2CRT8768e-nicotine liquid6.7mLINHALED8mg/mL2020-07-012020-07-06
3TENDS01EC10001 3CRT9756e-nicotine liquid7mLINHALED8mg/mL2020-07-062020-07-10
3TENDS01EC10001 4CRT9778e-nicotine liquid8mLINHALED8mg/mL2020-07-102020-07-14
4TENDS01EC100021CRT8000e-nicotine liquid5mLINHALED24mg/mL2020-09-012020-09-07
5TENDS01EC10002 2CRT9006e-nicotine liquid7mLINHALED24mg/mL2020-09-072020-09-14
6TENDS01EC10002 3CRT9008e-nicotine liquid8mLINHALED24mg/mL2020-09-142020-09-21
7TENDS01EC10002 4CRT9017e-nicotine liquid6mLINHALED24mg/mL2020-09-212020-09-28
8TENDS01EC10002 5CRT9089e-nicotine liquid7mLINHALED24mg/mL2020-09-282020-09-31
9TENDS01EC10002 6CRT9128e-nicotine liquid8mLINHALED24mg/mL2020-10-312020-10-08
10TENDS01EC10002 7CRT6868e-nicotine liquid6.7mLINHALED24mg/mL2020-10-082020-10-15
11TENDS01EC10002 8CRT7868e-nicotine liquid5.5mLINHALED24mg/mL2020-10-152020-10-22

Dataset Debug Messages

  • There are 11 leading, trailing, or non-breaking spaces in the dataset.
  • There seem to be multiple domains (EX, EC) present in the dataset.
  • There is a duplicate variable (EXPSTRG) in the dataset.

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