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Arthritis, RheumatoidNCT03964649

Comparative Analysis of Outcomes Among Patients Treated With Xeljanz vs Biologics

An observational study of Arthritis, Rheumatoid, run by Pfizer at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To compare rheumatoid arthritis (RA) patient characteristics, adherence, and costs between patients treated with tofacitinib (IR, XR and combined groups) to patients treated with each of the bDMARDs. Read more about this study

Who is it for?
Ages 0 years and older
Conditions the study is for
Arthritis, Rheumatoid
How many people
7,308 participants
Where
1 siteUnited States
Study dates
1 Jan 2019to 6 Apr 2020
Phase
Observational
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 0 years and older
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: This study will utilize the de-identified claims data in the Truven Health MarketScan Research Database.

Who may be able to join

  • At least one claim for methotrexate during the variable-length pre-index period.
  • At least one claim for tofacitinib or bDMARDs between 01 February 2016 and 31 July 2019 (the identification period).

Who cannot join

  • Patients with claims for other conditions for which bDMARDs are used during the one-year pre-index period or on the index date: ankylosing spondylitis, Crohn's disease, psoriasis, psoriatic arthritis, or ulcerative colitis will be excluded from the study.
  • Patients with evidence of the index medication during the one-year pre-index period will be removed from the analysis. Patients will be allowed to have been treated with (other) bDMARDs during the one-year pre-index period.
  • Patients with more than 1 bDMARD or bDMARD with tofacitinib filled on the index date will be removed from the study.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Pfizer

    New York, New York, 10017

Other trials in United States

About this study

Official title: Comparative Analysis of Outcomes Among Rheumatoid Arthritis Patients Treated With Xeljanz Versus Biologic DMARDs Using a United States Healthcare Claims Database

To compare rheumatoid arthritis (RA) patient characteristics, adherence, and costs between patients treated with tofacitinib (IR, XR and combined groups) to patients treated with each of the bDMARDs.

Medical subject headings
Arthritis, Rheumatoid

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT03964649
Study groupRoleWhat they receive
Truven Health MarketScan Research DatabaseTo compare RA-related costs among patients treated with tofacitinib (IR, XR and combined groups) to patients treated with each of the bDMARDs (individually, as well as to TNFi and to non-TNFi each combined as groups).

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants Who Were on Combination Therapy and Monotherapy During 90 Days After Index Date

    In this outcome measure number of participants who were on combination therapy with index medication and who were on monotherapy during 12 months pre-index date were reported. Participants with a use of at least 1 of 4 specific csDMARDs (methotrexate, sulfasalazine, hydroxychloroquine, leflunomide) within 90 days on or after the index date were considered as being treated with combination therapy. Participants who did not take any csDMARDs along with index medication were considered being treated with monotherapy.

    Measured: Within 90 days after index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  2. Number of Participants for Each of the Most Commonly Used Medications During the 12 Months Post-index Date

    Number of participants with most commonly used medications use during 12 months post index period are reported. The 25 most medications: 1) methotrexate sodium, 2) prednisone, 3) folic acid, 4) adalimumab, 5) etanercept, 6) acetaminophen/hydrocodone bitartrate, 7) hydroxychloroquine sulfate, 8) azithromycin, 9) levothyroxine sodium, 10) tramadol hydrochloride, 11) methylprednisolone, 12) gabapentin, 13) albuterol sulfate, 14) amoxicillin/clavulanate potassium, 15) omeprazole, 16) amoxicillin, 17) meloxicam, 18) tofacitinib citrate, 19) fluticasone propionate, 20) cyclobenzaprine hydrochloride, 21) diclofenac sodium, 22) duloxetine hydrochloride, 23) atorvastatin calcium, 24) leflunomide, 25) fluconazole. A participant could have received >=1 most common medication.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  3. Number of Participants Who Used Opioids and Non-steroidal Anti-inflammatory Drug (NSAIDs) During 12 Months Post Index Period

    Number of participants who used at least 1 opioid and NSAID during post-index period are reported.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  4. Mean Number of Pharmacy Claims for Opioids and NSAIDS During 12 Months Post Index Period

    The mean number of pharmacy claims for opioids and NSAIDs during the post-index period are reported. A pharmacy claim was defined as a claim made by participants to their insurance provider in purchasing opioids and NSAIDs from the pharmacy.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  5. Mean Number of Days From The Index Date to the First Opioid and NSAIDs Claim During 12 Months Post Index Period

    Mean number of days from the index date to the first opioid and NSAIDs claim during post index period are reported.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  6. Number of Participants Who Used Opioids and NSAIDs While Persistent and After Persistent With Index Medication During 12 Months Post Index Period

    Number of participants who used opioids and NSAIDs during tofacitinib persistency and post-persistency are reported. Persistence with the index medication was defined as not having a gap in therapy of at least 60 days between fills/infusions.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  7. Number of Participants Who Used Oral Corticosteroids During 12 Months Post-Index Period

    The number of participants who used at least 1 oral corticosteroid during the 12 months post-index period are reported.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  8. Number of Participants Who Were Non-persistent to Index Medication

    Non-persistence was defined as the gap of at least 60 days in treatment with the index medication or switching to other biologic.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  9. Number of Participants Who Switched Immediately From Index Medication

    Participants were classified as switched immediately if they initiated a non-index bDMARD before a 60-day gap in index medication treatment.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  10. Number of Participants Who Discontinued Then Restarted Index Medication

    Participants were classified as discontinued and then restarted index medication if there was a gap in the index therapy of at least 60 days and the first medication observed after the gap was the index medication.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  11. Number of Participants Who Discontinued Then Switched From Index Medication

    Participants were classified as discontinued and then switched from index medication if there was a gap in the index therapy of at least 60 days and the first medication observed after the gap was a bDMARD (including tofacitinib) different from index medication.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  12. Number of Participants Who Discontinued Without Switching or Restarting Index Medication

    Participants were classified as discontinued without switching or restarting index medication if they had a gap in therapy of at least 60 days and there were no claims for either the index medication or a different bDMARD for the remainder of the follow-up period.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  13. Number of Participants Who Switched Any Time From Index Medication

    Number of participants who switched from index medication to a biologic at any time during post-index period are reported.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  14. Number of Participants Who Re-started Index Medication at Any Time

    Participants who had a claim for the index medication any time after they were considered non-persistent with the index treatment (i.e, including after switching) during the 12-month follow-up are reported. Non-persistence was defined as the gap of at least 60 days in treatment with the index medication or switching to other biologic.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  15. Mean Medication Possession Ratio (MPR) for Methotrexate

    MPR was calculated as the total days supply of methotrexate between the first and including the last prescription/administration divided by the time between the first through and including last biologic prescription/administration days supply.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  16. Proportion of Days Covered (PDC)

    The PDC was calculated based on total days supply over the 12 months follow-up. The PDC was calculated by using the date of service and the day supply for each fill of the index medication.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  17. Addition of Conventional Synthetic Disease-modifying Antirheumatic Drug (Cs-DMARDs) in Participants With Monotherapy

    Participants with monotherapy who used additional csDMARD during post index period are reported.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  18. Adherence to Cs-DMARDs in Participants With Combination Therapy

    Adherence was calculated as the total day supply for csDMARDs divided by the number of days from the first claim during the follow-up until the end of the follow-up.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  19. Number of Participants Who Met Different Medication Effectiveness Criteria

    Adherence criteria: PDC >=0.8, proportion of days of supply during post-index period of 12 months.Dose escalation criteria: no increase in dose for index drug compared to starting dose during post-index period. Switch criteria: no switching from index drug to (different) biologic agent during post-index period. DMARD criteria: no addition of new csDMARD to index drug during post-index period. Oral glucocorticoid criteria: Participants with no claims for oral glucocorticoids in 6 months pre-index cannot receive oral glucocorticoids for greater than (>)30 days between (index date +91 days) to (index date + 365 days); or participants with claims for oral glucocorticoids in 6 months pre-index no increase in oral glucocorticoid dose during months 6-12 post-index.Injectable glucocorticoid criteria: at most 1 parenteral or intra-articular glucocorticoid joint injection on unique days after participant had been on bDMARD treatment for >3 months between (index date + 91) to (index date + 365).

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  20. All Cause Inpatient Visits Costs, Outpatient Visits Costs and Emergency Room (ER) Visits Costs During 12 Months Post Index Period

    All cause inpatient visits costs, outpatient visits costs and emergency room visits costs during 12 months post index period are reported. Inpatient visit costs consisted of expenses during hospital visit for formal admission. Outpatient visit costs consisted of expenses when participants visited hospital but not for formal admission. Emergency room visit costs consisted of expenses during visit to hospital emergency room.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  21. Rheumatoid Arthritis (RA) Related Inpatient Visits Costs, Outpatient Visits Costs and Emergency Room (ER) Visits Costs During 12 Months Post Index Period

    RA related inpatient visit costs consisted of expenses during hospital visits for formal admission for RA. Outpatient visit costs consisted of expenses when participants visited hospital but not for formal admission for RA. ER visit costs consisted of expenses during visit to ER of hospital for RA.

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  22. All Cause Total Health Care Costs, Medical Costs, Pharmacy Costs During 12 Months Post-Index Period

    All cause total health care costs, medical costs, pharmacy costs during 12 months post-index period are reported. All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs).

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  23. RA Related Total Health Care Costs, Medical Costs, Pharmacy Costs During 12 Months Post-Index Period

    RA related total health care costs, medical costs, pharmacy costs during 12 months post-index period are reported. RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs).

    Measured: During 12 months post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  24. Total All Cause Monthly Health Care Cost at Month 1 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 1 post-index date.

    Measured: Month 1 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  25. Total All Cause Monthly Health Care Cost at Month 2 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 2 post-index date.

    Measured: Month 2 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  26. Total All Cause Monthly Health Care Cost at Month 3 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 3 post-index date.

    Measured: Month 3 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  27. Total All Cause Monthly Health Care Cost at Month 4 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 4 of post-index date.

    Measured: Month 4 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  28. Total All Cause Monthly Health Care Cost at Month 5 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 5 post-index date.

    Measured: Month 5 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  29. Total All Cause Monthly Health Care Cost at Month 6 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 6 post-index date.

    Measured: Month 6 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  30. Total All Cause Monthly Health Care Cost at Month 7 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 7 post-index date.

    Measured: Month 7 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  31. Total All Cause Monthly Health Care Cost at Month 8 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 8 post-index date.

    Measured: Month 8 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  32. Total All Cause Monthly Health Care Cost at Month 9 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 9 post-index date.

    Measured: Month 9 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  33. Total All Cause Monthly Health Care Cost at Month 10 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 10 post-index date.

    Measured: Month 10 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  34. Total All Cause Monthly Health Care Cost at Month 11 Post-index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 11 post-index date.

    Measured: Month 11 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  35. Total All Cause Monthly Health Care Cost at Month 12 Post Index Date

    All cause refers to cost spent due to all comorbidities including RA. Total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure total all cause health care cost in dollars is reported for Month 12 post-index date.

    Measured: Month 12 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  36. Total RA Related Monthly Health Care Cost at Month 1 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 1 post-index date.

    Measured: Month 1 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  37. Total RA Related Monthly Health Care Cost at Month 2 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measurec RA related total all cause health care cost in dollars is reported for Month 2 post-index date.

    Measured: Month 2 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  38. Total RA Related Monthly Health Care Cost at Month 3 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 3 post-index date.

    Measured: Month 3 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  39. Total RA Related Monthly Health Care Cost at Month 4 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 4 post-index date.

    Measured: Month 4 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  40. Total RA Related Monthly Health Care Cost at Month 5 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 5 post-index date.

    Measured: Month 5 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  41. Total RA Related Monthly Health Care Cost at Month 6 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 6 post-index date.

    Measured: Month 6 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  42. Total RA Related Monthly Health Care Cost at Month 7 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 7 post-index date.

    Measured: Month 7 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  43. Total RA Related Monthly Health Care Cost at Month 8 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 8 post-index date.

    Measured: Month 8 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  44. Total RA Related Monthly Health Care Cost at Month 9 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 9 post-index date.

    Measured: Month 9 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  45. Total RA Related Monthly Health Care Cost at Month 10 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 10 post-index date.

    Measured: Month 10 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  46. Total RA Related Monthly Health Care Cost at Month 11 Post-index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 11 post-index date.

    Measured: Month 11 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

  47. Total RA Related Monthly Health Care Cost at Month 12 Post Index Date

    RA related total health care cost was calculated as the total of pharmacy cost (home healthcare cost, urgent care cost and other medical services costs) and medical cost (ambulatory cost, emergency department visits cost, inpatient admission cost and other costs). In this outcome measure RA related total all cause health care cost in dollars is reported for Month 12 post-index date.

    Measured: Month 12 post-index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 May 2019
  2. Study start1 Jan 2019
  3. Primary completion6 Apr 2020
  4. Study completion6 Apr 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Retrospective
Enrolment
7,308 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03964649
Sponsor's protocol ID
A3921305
Status last verified
May 2021
First submitted
20 May 2019
Last updated
2 Jun 2021
Individual data sharing
No: Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.

Questions about this trial

What is this clinical trial studying?

An observational study of Arthritis, Rheumatoid, run by Pfizer at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 2 Jun 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 30 Apr 2021). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants Who Were on Combination Therapy and Monotherapy During 90 Days After Index Date (time frame: Within 90 days after index date (index date =date of first claim for index medication [bDMARDs or tofacitinib] during identification period of 3.5 years)). The study lists 47 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 2 Jun 2021.

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