Knee OsteoarthritisPhase 4NCT03895840

The Effect of Intra-articular Bilateral Knee Injections of Zilretta on Performance Measures in Adults With Knee OA

A Phase 4 study testing Zilretta in people with Knee Osteoarthritis, run by University of Kansas Medical Center 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

Who is it for?: Ages 30 years and older
Conditions the study is for: Knee Osteoarthritis
What is being tested?: Zilretta
Type of treatment: Injection or infusion
Could I receive a placebo?: No, everyone receives an active treatment
How many people: 70 participants
Where: 1 siteUnited States
Study dates: 19 Mar 2018to 3 May 2021
Phase: Phase 4
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 30 years and older
All sexes
No healthy volunteers
Adult, Older adult

Who may be able to join

Men and women age 30 years or older with symptomatic bilateral knee OA
Symptomatic knee OA will be defined as the presence of a definite osteophyte or joint space narrowing (KL Grade ≥2) on posteroanterior (PA) fixed flexion knee radiographs in subjects limited by bilateral pain rated on a Numerical Rating Scale as ≥ 4/10 on more than half of the days over the past month. Radiographic change must be visible at standard image size, irrespective of capability to detect more subtle changes through digital enhancement.
Bilateral knee symptoms for ≥ 3 months prior to screening
Has undergone at least one prior conservative osteoarthritis treatment (e.g. Physical therapy, analgesics)
Body Mass Index ≤ 41 kg/m2
Ambulatory
Willing and able to comply with the study procedures and visit schedules and ability to follow verbal and written instructions.
Willingness to abstain from the use of protocol-restricted medications during the study after signing informed consent and also willing to abstain from use of all analgesics other than acetaminophen 1 week prior to beginning of treatment.

Who cannot join

Current consumption of more than 14 alcoholic drinks per week
Clinical signs and symptoms of active knee infection or crystal disease of either knee within 1 month of screening
Diagnosed with rheumatoid arthritis, Reiter's syndrome, psoriatic arthritis, gout, ankylosing spondylitis, or arthritis secondary to other inflammatory diseases; HIV, viral hepatitis; chondrocalcinosis, Paget's disease, or villonodular synovitis
Diagnosed with leukemia, known presence of metastatic malignant cells, or ongoing or planned chemotherapeutic treatment.
A gout attack in the past 2 years.
Diseases of the spine, hip or other lower extremity joints judged by the investigator to be contributing to the pain in either knee (i.e. sciatica, nerve pain, hip OA). Note: Patients with hip replacement in either hip may be enrolled provided there is sufficient pain relief after hip replacement that analgesics are not required.

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Untreated symptomatic injury of either knee (e.g., acute traumatic injury, anterior cruciate ligament injury, clinically symptomatic meniscus injury characterized by a mechanical issue such as locking or catching).
Uncontrolled diabetes (HbA1c >7.2)
Women who report pregnancy or childbearing potential and not using acceptable contraceptive measures (oral contraceptive, long acting reversible contraceptive therapy) (due to the potential for change in body mass and distribution to alter knee symptoms over the period of follow-up).
Presence of surgical hardware or other foreign body intended to treat arthritis or cartilage-related pathology in either knee.
Arthroscopy or open surgery of either knee within 6 months of screening.
Planned/anticipated surgery of either knee during the study period.
Use of systemic immunosuppressant within 6 weeks of screening.
Oral corticosteroids (investigational or marketed) within 2 weeks of screening (unless on chronic stable dose for >3 months).
IA corticosteroid (investigational or marketed) in either knee within 3 months of screening.
IV or IM (Intramuscular) Corticosteroid injection (investigational or marketed) within 3 months of screening.
Any other IA drug/biologic use within 6 months of screening or 5 half-lives (whichever is longer) (e.g., hyaluronic acid, platelet-rich plasma (PRP) injection, stem cells, prolotherapy and amniotic fluid injection).
Any documented clinically significant degree of cognitive impairment or other condition, finding, or psychiatric illness at screening which, in the opinion of the investigator, could compromise subject safety.
Any condition other than OA of the knee which, in the opinion of the investigator, affects the ability to ambulate to a sufficient degree to interfere with the assessment of the safety and treatment effects of the study injection.
Participated in any interventional drug or device trial within 30 days prior to screening or concurrent participation in another research study that could complicate interpretation of the study findings.

Trial locations and contacts

1 site in 1 country.

United States1 site

University of Kansas Medical Center
Kansas City, Kansas, 66160

Other trials in United States

About this study

Official title: The Effect of Intra-articular Bilateral Knee Injections of Zilretta on Osteoarthritis Research Society International (OARSI) Recommended Physical Performance Measures in Adults With Knee Osteoarthritis

This study will be an open-label trial to determine the functional effects of bilateral IA injections of Zilretta into knee joints of 70 subjects with bilateral KL grade 2-4 symptomatic knee osteoarthritis (OA). Measurement and evaluation of outcomes at baseline, 6, 12 and 24 weeks will allow assessment of short and long-term effects, consistent with Osteoarthritis Research Society International (OARSI) and Outcome Measures in Rheumatology (OMERACT) recommendations.

Read the detailed description

The primary aim of the proposed study is to demonstrate the effect of IA injection of Zilretta on physical performance measures in adults with bilateral knee OA. The primary study endpoint will be the change in OARSI recommended physical performance tests (30-second chair standing test, 40m fast-paced walking test, stair ascent) 12 weeks after treatment.

The secondary outcome will be the change in Knee Injury and Osteoarthritis Outcome Score (KOOS-PS) patient-reported physical function short form.

The tertiary outcomes will be the change in KOOS-Quality of life subscale (QoL) and Numerical Rating Scale (NRS) for pain. All outcomes will be assessed at 6- and 24-week follow-up as well to define the course and trajectory of effects.

Specific Aim 1: To determine the extent to which intra-articular (IA) injection of Zilretta in patients with bilateral knee OA improves physical performance (OARSI recommended physical performance measures).

Primary Hypothesis 1: Bilateral knee intra-articular injection of Zilretta results in improved physical performance detectable at 6 weeks, 12 weeks (primary), and 24 weeks.

Specific Aim 2: To determine the extent to which IA injection of Zilretta in patients with bilateral knee OA improves physical function (KOOS-PF).

Hypothesis 2: Bilateral knee IA injection of Zilretta results in improved patient-reported physical function (KOOS-PS) at 6 weeks,12 weeks (primary), and 24 weeks.

Specific Aim 3: To determine the extent to which bilateral knee IA injection of Zilretta in patients with bilateral knee OA improves quality of life (KOOS-QoL).

Hypothesis 3: Intra-articular (IA) bilateral knee injection of Zilretta in patients with bilateral knee osteoarthritis results in improved quality of life (KOOS-QoL) detectable at 6 weeks, 12 weeks (primary), and 24 weeks.

Conditions: Knee Osteoarthritis
Being tested: Zilretta
Medical subject headings: Osteoarthritis, Knee

What participants receive

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

ZilrettaDrug
Also called FX006, Triamcinolone acetonide extended-release
Zilretta (triamcinolone acetonide extended-release injectable suspension) is indicated as an intra-articular injection for the management of pain due to knee osteoarthritis.

Study groups in NCT03895840
Study group	Role	What they receive
Intra-articular Zilretta injection	Experimental	32 mg Zilretta in a 5ml diluent for each knee, per manufacturer guidelines Receives: Drug: Zilretta

What is being measured

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

30 Second Chair Standing Test
The 30 second Chair Standing Test is one of three Osteoarthritis Research Society International (OARSI) recommended minimal core set of performance-based outcome measures in OA research and clinical practice.In this test, the subject will stand up completely from the sitting position so hips and knees are fully extended, then completely back in the seated position. This will be repeated for 30 seconds and the total number of chair stands will be recorded (up and down equals one stand).
Measured: 12 weeks
40m Fast Paced Walking Test (40m FPWT)
The 40-meter fast paced walk test is one of the three Osteoarthritis Research Society International recommended minimal core set of performance-based outcome measures in OA research and clinical practice.The subjects will be timed to complete a 40 m track course.
Measured: 12 weeks
Timed Stair Climb
The stair climb test is one of the three Osteoarthritis Research Society International recommended minimal core set of performance-based outcome measures in OA research and clinical practice. The subject will be timed while ascending and descending 9 steps of stairs.
Measured: 12 weeks

Secondary outcomes (1)

KOOS-PS (Knee Osteoarthritis Outcome Score - Physical Function Short Form)
KOOS-Physical Function (KOOS-PS) Short Form is a parsimonious measure of physical function derived from the KOOS, which is a self-reported outcome score. The KOOS-Physical Function Short Form ranges from 0 to 100 where higher values represents a worse outcome.
Measured: 12 weeks

Timeline

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

19 Mar 20183 May 2021

First posted29 Mar 2019
Study start19 Mar 2018
Primary completion3 May 2021
Study completion3 May 2021

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
Publications (13)Papers the sponsor has linked to this study.
Other trials for Knee OsteoarthritisStudies of the same condition, open and under way.
More trials run by University of Kansas Medical CenterThe sponsor's other registered studies.
What the trial phases meanHow a treatment moves from first tests in people to approval.

More details

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

Study design

Study type: Interventional
Phase: Phase 4
Primary purpose: Treatment
Allocation: Not applicable
Intervention model: Single group
Model description: This will be an open-label study to determine the functional effects of IA injection of Zilretta into bilateral knees of 70 subjects with KL grade 2-4 symptomatic knee OA. Measurement of OARSI recommended physical performance measures, patient-reported physical function, quality of life and pain at baseline, 6, 12 and 24 weeks will allow assessment of short and long-term effects, consistent with OARSI and OMERACT recommendations
Masking: None (open label)
Enrolment: 70 participants (actual)

IDs, dates and publications

ClinicalTrials.gov ID: NCT03895840
Sponsor's protocol ID: STUDY00142926
Status last verified: Apr 2022
First submitted: 25 Mar 2019
Last updated: 5 May 2022
Results posted: Yes, on ClinicalTrials.gov
Data monitoring committee: No
FDA-regulated drug: Yes
FDA-regulated device: No
Individual data sharing: No

Publications

Dobson F, Hinman RS, Roos EM, Abbott JH, Stratford P, Davis AM, Buchbinder R, Snyder-Mackler L, Henrotin Y, Thumboo J, Hansen P, Bennell KL. OARSI recommended performance-based tests to assess physical function in people diagnosed with hip or knee osteoarthritis. Osteoarthritis Cartilage. 2013 Aug;21(8):1042-52. doi: 10.1016/j.joca.2013.05.002. Epub 2013 May 13.
PubMed 23680877
Maricar N, Callaghan MJ, Felson DT, O'Neill TW. Predictors of response to intra-articular steroid injections in knee osteoarthritis--a systematic review. Rheumatology (Oxford). 2013 Jun;52(6):1022-32. doi: 10.1093/rheumatology/kes368. Epub 2012 Dec 22.
PubMed 23264554
Murray CJ, Vos T, Lozano R, Naghavi M, Flaxman AD, Michaud C, Ezzati M, Shibuya K, Salomon JA, Abdalla S, Aboyans V, Abraham J, Ackerman I, Aggarwal R, Ahn SY, Ali MK, Alvarado M, Anderson HR, Anderson LM, Andrews KG, Atkinson C, Baddour LM, Bahalim AN, Barker-Collo S, Barrero LH, Bartels DH, Basanez MG, Baxter A, Bell ML, Benjamin EJ, Bennett D, Bernabe E, Bhalla K, Bhandari B, Bikbov B, Bin Abdulhak A, Birbeck G, Black JA, Blencowe H, Blore JD, Blyth F, Bolliger I, Bonaventure A, Boufous S, Bourne R, Boussinesq M, Braithwaite T, Brayne C, Bridgett L, Brooker S, Brooks P, Brugha TS, Bryan-Hancock C, Bucello C, Buchbinder R, Buckle G, Budke CM, Burch M, Burney P, Burstein R, Calabria B, Campbell B, Canter CE, Carabin H, Carapetis J, Carmona L, Cella C, Charlson F, Chen H, Cheng AT, Chou D, Chugh SS, Coffeng LE, Colan SD, Colquhoun S, Colson KE, Condon J, Connor MD, Cooper LT, Corriere M, Cortinovis M, de Vaccaro KC, Couser W, Cowie BC, Criqui MH, Cross M, Dabhadkar KC, Dahiya M, Dahodwala N, Damsere-Derry J, Danaei G, Davis A, De Leo D, Degenhardt L, Dellavalle R, Delossantos A, Denenberg J, Derrett S, Des Jarlais DC, Dharmaratne SD, Dherani M, Diaz-Torne C, Dolk H, Dorsey ER, Driscoll T, Duber H, Ebel B, Edmond K, Elbaz A, Ali SE, Erskine H, Erwin PJ, Espindola P, Ewoigbokhan SE, Farzadfar F, Feigin V, Felson DT, Ferrari A, Ferri CP, Fevre EM, Finucane MM, Flaxman S, Flood L, Foreman K, Forouzanfar MH, Fowkes FG, Fransen M, Freeman MK, Gabbe BJ, Gabriel SE, Gakidou E, Ganatra HA, Garcia B, Gaspari F, Gillum RF, Gmel G, Gonzalez-Medina D, Gosselin R, Grainger R, Grant B, Groeger J, Guillemin F, Gunnell D, Gupta R, Haagsma J, Hagan H, Halasa YA, Hall W, Haring D, Haro JM, Harrison JE, Havmoeller R, Hay RJ, Higashi H, Hill C, Hoen B, Hoffman H, Hotez PJ, Hoy D, Huang JJ, Ibeanusi SE, Jacobsen KH, James SL, Jarvis D, Jasrasaria R, Jayaraman S, Johns N, Jonas JB, Karthikeyan G, Kassebaum N, Kawakami N, Keren A, Khoo JP, King CH, Knowlton LM, Kobusingye O, Koranteng A, Krishnamurthi R, Laden F, Lalloo R, Laslett LL, Lathlean T, Leasher JL, Lee YY, Leigh J, Levinson D, Lim SS, Limb E, Lin JK, Lipnick M, Lipshultz SE, Liu W, Loane M, Ohno SL, Lyons R, Mabweijano J, MacIntyre MF, Malekzadeh R, Mallinger L, Manivannan S, Marcenes W, March L, Margolis DJ, Marks GB, Marks R, Matsumori A, Matzopoulos R, Mayosi BM, McAnulty JH, McDermott MM, McGill N, McGrath J, Medina-Mora ME, Meltzer M, Mensah GA, Merriman TR, Meyer AC, Miglioli V, Miller M, Miller TR, Mitchell PB, Mock C, Mocumbi AO, Moffitt TE, Mokdad AA, Monasta L, Montico M, Moradi-Lakeh M, Moran A, Morawska L, Mori R, Murdoch ME, Mwaniki MK, Naidoo K, Nair MN, Naldi L, Narayan KM, Nelson PK, Nelson RG, Nevitt MC, Newton CR, Nolte S, Norman P, Norman R, O'Donnell M, O'Hanlon S, Olives C, Omer SB, Ortblad K, Osborne R, Ozgediz D, Page A, Pahari B, Pandian JD, Rivero AP, Patten SB, Pearce N, Padilla RP, Perez-Ruiz F, Perico N, Pesudovs K, Phillips D, Phillips MR, Pierce K, Pion S, Polanczyk GV, Polinder S, Pope CA 3rd, Popova S, Porrini E, Pourmalek F, Prince M, Pullan RL, Ramaiah KD, Ranganathan D, Razavi H, Regan M, Rehm JT, Rein DB, Remuzzi G, Richardson K, Rivara FP, Roberts T, Robinson C, De Leon FR, Ronfani L, Room R, Rosenfeld LC, Rushton L, Sacco RL, Saha S, Sampson U, Sanchez-Riera L, Sanman E, Schwebel DC, Scott JG, Segui-Gomez M, Shahraz S, Shepard DS, Shin H, Shivakoti R, Singh D, Singh GM, Singh JA, Singleton J, Sleet DA, Sliwa K, Smith E, Smith JL, Stapelberg NJ, Steer A, Steiner T, Stolk WA, Stovner LJ, Sudfeld C, Syed S, Tamburlini G, Tavakkoli M, Taylor HR, Taylor JA, Taylor WJ, Thomas B, Thomson WM, Thurston GD, Tleyjeh IM, Tonelli M, Towbin JA, Truelsen T, Tsilimbaris MK, Ubeda C, Undurraga EA, van der Werf MJ, van Os J, Vavilala MS, Venketasubramanian N, Wang M, Wang W, Watt K, Weatherall DJ, Weinstock MA, Weintraub R, Weisskopf MG, Weissman MM, White RA, Whiteford H, Wiebe N, Wiersma ST, Wilkinson JD, Williams HC, Williams SR, Witt E, Wolfe F, Woolf AD, Wulf S, Yeh PH, Zaidi AK, Zheng ZJ, Zonies D, Lopez AD, AlMazroa MA, Memish ZA. Disability-adjusted life years (DALYs) for 291 diseases and injuries in 21 regions, 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012 Dec 15;380(9859):2197-223. doi: 10.1016/S0140-6736(12)61689-4.
PubMed 23245608
Centers for Disease Control and Prevention (CDC). Prevalence of disabilities and associated health conditions among adults--United States, 1999. MMWR Morb Mortal Wkly Rep. 2001 Feb 23;50(7):120-5.
PubMed 11393491
Vos T, Flaxman AD, Naghavi M, Lozano R, Michaud C, Ezzati M, Shibuya K, Salomon JA, Abdalla S, Aboyans V, Abraham J, Ackerman I, Aggarwal R, Ahn SY, Ali MK, Alvarado M, Anderson HR, Anderson LM, Andrews KG, Atkinson C, Baddour LM, Bahalim AN, Barker-Collo S, Barrero LH, Bartels DH, Basanez MG, Baxter A, Bell ML, Benjamin EJ, Bennett D, Bernabe E, Bhalla K, Bhandari B, Bikbov B, Bin Abdulhak A, Birbeck G, Black JA, Blencowe H, Blore JD, Blyth F, Bolliger I, Bonaventure A, Boufous S, Bourne R, Boussinesq M, Braithwaite T, Brayne C, Bridgett L, Brooker S, Brooks P, Brugha TS, Bryan-Hancock C, Bucello C, Buchbinder R, Buckle G, Budke CM, Burch M, Burney P, Burstein R, Calabria B, Campbell B, Canter CE, Carabin H, Carapetis J, Carmona L, Cella C, Charlson F, Chen H, Cheng AT, Chou D, Chugh SS, Coffeng LE, Colan SD, Colquhoun S, Colson KE, Condon J, Connor MD, Cooper LT, Corriere M, Cortinovis M, de Vaccaro KC, Couser W, Cowie BC, Criqui MH, Cross M, Dabhadkar KC, Dahiya M, Dahodwala N, Damsere-Derry J, Danaei G, Davis A, De Leo D, Degenhardt L, Dellavalle R, Delossantos A, Denenberg J, Derrett S, Des Jarlais DC, Dharmaratne SD, Dherani M, Diaz-Torne C, Dolk H, Dorsey ER, Driscoll T, Duber H, Ebel B, Edmond K, Elbaz A, Ali SE, Erskine H, Erwin PJ, Espindola P, Ewoigbokhan SE, Farzadfar F, Feigin V, Felson DT, Ferrari A, Ferri CP, Fevre EM, Finucane MM, Flaxman S, Flood L, Foreman K, Forouzanfar MH, Fowkes FG, Franklin R, Fransen M, Freeman MK, Gabbe BJ, Gabriel SE, Gakidou E, Ganatra HA, Garcia B, Gaspari F, Gillum RF, Gmel G, Gosselin R, Grainger R, Groeger J, Guillemin F, Gunnell D, Gupta R, Haagsma J, Hagan H, Halasa YA, Hall W, Haring D, Haro JM, Harrison JE, Havmoeller R, Hay RJ, Higashi H, Hill C, Hoen B, Hoffman H, Hotez PJ, Hoy D, Huang JJ, Ibeanusi SE, Jacobsen KH, James SL, Jarvis D, Jasrasaria R, Jayaraman S, Johns N, Jonas JB, Karthikeyan G, Kassebaum N, Kawakami N, Keren A, Khoo JP, King CH, Knowlton LM, Kobusingye O, Koranteng A, Krishnamurthi R, Lalloo R, Laslett LL, Lathlean T, Leasher JL, Lee YY, Leigh J, Lim SS, Limb E, Lin JK, Lipnick M, Lipshultz SE, Liu W, Loane M, Ohno SL, Lyons R, Ma J, Mabweijano J, MacIntyre MF, Malekzadeh R, Mallinger L, Manivannan S, Marcenes W, March L, Margolis DJ, Marks GB, Marks R, Matsumori A, Matzopoulos R, Mayosi BM, McAnulty JH, McDermott MM, McGill N, McGrath J, Medina-Mora ME, Meltzer M, Mensah GA, Merriman TR, Meyer AC, Miglioli V, Miller M, Miller TR, Mitchell PB, Mocumbi AO, Moffitt TE, Mokdad AA, Monasta L, Montico M, Moradi-Lakeh M, Moran A, Morawska L, Mori R, Murdoch ME, Mwaniki MK, Naidoo K, Nair MN, Naldi L, Narayan KM, Nelson PK, Nelson RG, Nevitt MC, Newton CR, Nolte S, Norman P, Norman R, O'Donnell M, O'Hanlon S, Olives C, Omer SB, Ortblad K, Osborne R, Ozgediz D, Page A, Pahari B, Pandian JD, Rivero AP, Patten SB, Pearce N, Padilla RP, Perez-Ruiz F, Perico N, Pesudovs K, Phillips D, Phillips MR, Pierce K, Pion S, Polanczyk GV, Polinder S, Pope CA 3rd, Popova S, Porrini E, Pourmalek F, Prince M, Pullan RL, Ramaiah KD, Ranganathan D, Razavi H, Regan M, Rehm JT, Rein DB, Remuzzi G, Richardson K, Rivara FP, Roberts T, Robinson C, De Leon FR, Ronfani L, Room R, Rosenfeld LC, Rushton L, Sacco RL, Saha S, Sampson U, Sanchez-Riera L, Sanman E, Schwebel DC, Scott JG, Segui-Gomez M, Shahraz S, Shepard DS, Shin H, Shivakoti R, Singh D, Singh GM, Singh JA, Singleton J, Sleet DA, Sliwa K, Smith E, Smith JL, Stapelberg NJ, Steer A, Steiner T, Stolk WA, Stovner LJ, Sudfeld C, Syed S, Tamburlini G, Tavakkoli M, Taylor HR, Taylor JA, Taylor WJ, Thomas B, Thomson WM, Thurston GD, Tleyjeh IM, Tonelli M, Towbin JA, Truelsen T, Tsilimbaris MK, Ubeda C, Undurraga EA, van der Werf MJ, van Os J, Vavilala MS, Venketasubramanian N, Wang M, Wang W, Watt K, Weatherall DJ, Weinstock MA, Weintraub R, Weisskopf MG, Weissman MM, White RA, Whiteford H, Wiersma ST, Wilkinson JD, Williams HC, Williams SR, Witt E, Wolfe F, Woolf AD, Wulf S, Yeh PH, Zaidi AK, Zheng ZJ, Zonies D, Lopez AD, Murray CJ, AlMazroa MA, Memish ZA. Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012 Dec 15;380(9859):2163-96. doi: 10.1016/S0140-6736(12)61729-2.
PubMed 23245607
Centers for Disease Control and Prevention (CDC). Prevalence and most common causes of disability among adults--United States, 2005. MMWR Morb Mortal Wkly Rep. 2009 May 1;58(16):421-6.
PubMed 19407734
Kraus VB, Conaghan PG, Aazami HA, Mehra P, Kivitz AJ, Lufkin J, Hauben J, Johnson JR, Bodick N. Synovial and systemic pharmacokinetics (PK) of triamcinolone acetonide (TA) following intra-articular (IA) injection of an extended-release microsphere-based formulation (FX006) or standard crystalline suspension in patients with knee osteoarthritis (OA). Osteoarthritis Cartilage. 2018 Jan;26(1):34-42. doi: 10.1016/j.joca.2017.10.003. Epub 2017 Oct 9.
PubMed 29024802
Bodick N, Lufkin J, Willwerth C, Kumar A, Bolognese J, Schoonmaker C, Ballal R, Hunter D, Clayman M. An intra-articular, extended-release formulation of triamcinolone acetonide prolongs and amplifies analgesic effect in patients with osteoarthritis of the knee: a randomized clinical trial. J Bone Joint Surg Am. 2015 Jun 3;97(11):877-88. doi: 10.2106/JBJS.N.00918.
PubMed 26041848
McAlindon TE, Driban JB, Henrotin Y, Hunter DJ, Jiang GL, Skou ST, Wang S, Schnitzer T. OARSI Clinical Trials Recommendations: Design, conduct, and reporting of clinical trials for knee osteoarthritis. Osteoarthritis Cartilage. 2015 May;23(5):747-60. doi: 10.1016/j.joca.2015.03.005.
PubMed 25952346
Dobson F, Hinman RS, Hall M, Marshall CJ, Sayer T, Anderson C, Newcomb N, Stratford PW, Bennell KL. Reliability and measurement error of the Osteoarthritis Research Society International (OARSI) recommended performance-based tests of physical function in people with hip and knee osteoarthritis. Osteoarthritis Cartilage. 2017 Nov;25(11):1792-1796. doi: 10.1016/j.joca.2017.06.006. Epub 2017 Jun 22.
PubMed 28647467
Davis AM, Perruccio AV, Canizares M, Hawker GA, Roos EM, Maillefert JF, Lohmander LS. Comparative, validity and responsiveness of the HOOS-PS and KOOS-PS to the WOMAC physical function subscale in total joint replacement for osteoarthritis. Osteoarthritis Cartilage. 2009 Jul;17(7):843-7. doi: 10.1016/j.joca.2009.01.005. Epub 2009 Jan 31.
PubMed 19215728
Gandek B, Ware JE Jr. Validity and Responsiveness of the Knee Injury and Osteoarthritis Outcome Score: A Comparative Study Among Total Knee Replacement Patients. Arthritis Care Res (Hoboken). 2017 Jun;69(6):817-825. doi: 10.1002/acr.23193. Epub 2017 May 8.
PubMed 28085998
P. Conaghan, V. Strand, D. Hunter. An intra-articular, extended release formulation of triamcinolone (FX006) affords clinically relevant improvements in pain and function of knee osteoarthritis: post-hoc pooled analyses of 3 randomized controlled trials. Osteoarthritis and Cartilage April 2017,Volume 25, Supplement 1, Pages S432-S433

Want to know more?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

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Study at a glance

From the registry record, last updated by the sponsor on 5 May 2022. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title: The Effect of Intra-articular Bilateral Knee Injections of Zilretta on Osteoarthritis Research Society International (OARSI) Recommended Physical Performance Measures in Adults With Knee Osteoarthritis
ClinicalTrials.gov ID: NCT03895840
Acronym / sponsor ID: STUDY00142926
Conditions: Knee Osteoarthritis
Phase: Phase 4
Study type: Interventional
Recruitment status: Completed
Enrolment: 70 participants (actual)
Lead sponsor: University of Kansas Medical CenterUniversity, hospital or other
Study start: 19 Mar 2018 (actual)
Primary completion: 3 May 2021 (actual)
Study completion: 3 May 2021 (actual)
First posted: 29 Mar 2019 (actual)
Results: Posted 29 Mar 2022

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

Detailed description

The secondary outcome will be the change in Knee Injury and Osteoarthritis Outcome Score (KOOS-PS) patient-reported physical function short form.

Primary Hypothesis 1: Bilateral knee intra-articular injection of Zilretta results in improved physical performance detectable at 6 weeks, 12 weeks (primary), and 24 weeks.

Specific Aim 2: To determine the extent to which IA injection of Zilretta in patients with bilateral knee OA improves physical function (KOOS-PF).

Hypothesis 2: Bilateral knee IA injection of Zilretta results in improved patient-reported physical function (KOOS-PS) at 6 weeks,12 weeks (primary), and 24 weeks.

Specific Aim 3: To determine the extent to which bilateral knee IA injection of Zilretta in patients with bilateral knee OA improves quality of life (KOOS-QoL).

Study design

Primary purpose: Treatment
Allocation: Not applicable
Intervention model: Single group
Masking: None (open label)
Number of arms: 1
Model description: This will be an open-label study to determine the functional effects of IA injection of Zilretta into bilateral knees of 70 subjects with KL grade 2-4 symptomatic knee OA. Measurement of OARSI recommended physical performance measures, patient-reported physical function, quality of life and pain at baseline, 6, 12 and 24 weeks will allow assessment of short and long-term effects, consistent with OARSI and OMERACT recommendations

Arm	Type	Receives
Intra-articular Zilretta injection	Experimental	Drug: Zilretta32 mg Zilretta in a 5ml diluent for each knee, per manufacturer guidelines

Who may qualify

Ages: 30 years and older
Sex: All
Healthy volunteers: Not accepted
Age groups: Adult, Older adult

Key inclusion criteria (8 listed)

Men and women age 30 years or older with symptomatic bilateral knee OA
Symptomatic knee OA will be defined as the presence of a definite osteophyte or joint space narrowing (KL Grade ≥2) on posteroanterior (PA) fixed flexion knee radiographs in subjects limited by bilateral pain rated on a Numerical Rating Scale as ≥ 4/10 on more than half of the days over the past month. Radiographic change must be visible at standard image size, irrespective of capability to detect more subtle changes through digital enhancement.
Bilateral knee symptoms for ≥ 3 months prior to screening
Has undergone at least one prior conservative osteoarthritis treatment (e.g. Physical therapy, analgesics)
Body Mass Index ≤ 41 kg/m2

Key exclusion criteria (20 listed)

Current consumption of more than 14 alcoholic drinks per week
Clinical signs and symptoms of active knee infection or crystal disease of either knee within 1 month of screening
Diagnosed with rheumatoid arthritis, Reiter's syndrome, psoriatic arthritis, gout, ankylosing spondylitis, or arthritis secondary to other inflammatory diseases; HIV, viral hepatitis; chondrocalcinosis, Paget's disease, or villonodular synovitis
Diagnosed with leukemia, known presence of metastatic malignant cells, or ongoing or planned chemotherapeutic treatment.
A gout attack in the past 2 years.

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Interventions

Intervention	Type	Arms
ZilrettaAlso: FX006, Triamcinolone acetonide extended-releaseZilretta (triamcinolone acetonide extended-release injectable suspension) is indicated as an intra-articular injection for the management of pain due to knee osteoarthritis.	Drug	Intra-articular Zilretta injection

Primary outcome

30 Second Chair Standing Test
Time frame: 12 weeks
The 30 second Chair Standing Test is one of three Osteoarthritis Research Society International (OARSI) recommended minimal core set of performance-based outcome measures in OA research and clinical practice.In this test, the subject will stand up completely from the sitting position so hips and knees are fully extended, then completely back in the seated position. This will be repeated for 30 seconds and the total number of chair stands will be recorded (up and down equals one stand).
40m Fast Paced Walking Test (40m FPWT)
Time frame: 12 weeks
The 40-meter fast paced walk test is one of the three Osteoarthritis Research Society International recommended minimal core set of performance-based outcome measures in OA research and clinical practice.The subjects will be timed to complete a 40 m track course.
Timed Stair Climb
Time frame: 12 weeks
The stair climb test is one of the three Osteoarthritis Research Society International recommended minimal core set of performance-based outcome measures in OA research and clinical practice. The subject will be timed while ascending and descending 9 steps of stairs.

1 secondary outcome

KOOS-PS (Knee Osteoarthritis Outcome Score - Physical Function Short Form)
Time frame: 12 weeks

Results and safety

Results posted to the registry on 29 Mar 2022, as reported by the sponsor. Figures are copied from the record, not re-analysed. Full results on ClinicalTrials.gov.

Participant flow

Group	Started	Completed
Intra-articular Zilretta Injection	70	49

Primary outcome: 30 Second Chair Standing Test

Time frame: 12 weeks. Least squares mean (Standard Error). Unit: stands

Measure	Intra-articular Zilretta Injection n = 65
Value	9.5 (0.5)

Primary outcome: 40m Fast Paced Walking Test (40m FPWT)

Time frame: 12 weeks. Least squares mean (Standard Error). Unit: seconds

Measure	Intra-articular Zilretta Injection n = 65
Value	35.9 (2.6)

Primary outcome: Timed Stair Climb

Time frame: 12 weeks. Least squares mean (Standard Error). Unit: seconds

Measure	Intra-articular Zilretta Injection n = 65
Value	15.0 (1.4)

1 secondary outcome is reported in the full results.

Adverse events

Time frame: 24 Weeks. Other adverse events reported at 0% frequency or more

Group	Serious adverse events	Other adverse events	Deaths
Intra-articular Zilretta Injection	0 of 70 (0%)	34 of 70 (48.6%)	0 of 70

Loading the posted results from ClinicalTrials.gov…

Research links

Official record on ClinicalTrials.govLast updated by the sponsor 5 May 2022.
Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
Background: PubMed 23680877Dobson F, Hinman RS, Roos EM, Abbott JH, Stratford P, Davis AM, Buchbinder R, Snyder-Mackler L, Henrotin Y, Thumboo J, Hansen P, Bennell KL. OARSI recommended performance-based tests to assess physical function in people diagnosed with hip or knee osteoarthritis. Osteoarthritis Cartilage. 2013 Aug;21(8):1042-52. doi: 10.1016/j.joca.2013.05.002. Epub 2013 May 13.
Background: PubMed 23264554Maricar N, Callaghan MJ, Felson DT, O'Neill TW. Predictors of response to intra-articular steroid injections in knee osteoarthritis--a systematic review. Rheumatology (Oxford). 2013 Jun;52(6):1022-32. doi: 10.1093/rheumatology/kes368. Epub 2012 Dec 22.
Background: PubMed 23245608Murray CJ, Vos T, Lozano R, Naghavi M, Flaxman AD, Michaud C, Ezzati M, Shibuya K, Salomon JA, Abdalla S, Aboyans V, Abraham J, Ackerman I, Aggarwal R, Ahn SY, Ali MK, Alvarado M, Anderson HR, Anderson LM, Andrews KG, Atkinson C, Baddour LM, Bahalim AN, Barker-Collo S, Barrero LH, Bartels DH, Basanez MG, Baxter A, Bell ML, Benjamin EJ, Bennett D, Bernabe E, Bhalla K, Bhandari B, Bikbov B, Bin Abdulhak A, Birbeck G, Black JA, Blencowe H, Blore JD, Blyth F, Bolliger I, Bonaventure A, Boufous S, Bourne R, Boussinesq M, Braithwaite T, Brayne C, Bridgett L, Brooker S, Brooks P, Brugha TS, Bryan-Hancock C, Bucello C, Buchbinder R, Buckle G, Budke CM, Burch M, Burney P, Burstein R, Calabria B, Campbell B, Canter CE, Carabin H, Carapetis J, Carmona L, Cella C, Charlson F, Chen H, Cheng AT, Chou D, Chugh SS, Coffeng LE, Colan SD, Colquhoun S, Colson KE, Condon J, Connor MD, Cooper LT, Corriere M, Cortinovis M, de Vaccaro KC, Couser W, Cowie BC, Criqui MH, Cross M, Dabhadkar KC, Dahiya M, Dahodwala N, Damsere-Derry J, Danaei G, Davis A, De Leo D, Degenhardt L, Dellavalle R, Delossantos A, Denenberg J, Derrett S, Des Jarlais DC, Dharmaratne SD, Dherani M, Diaz-Torne C, Dolk H, Dorsey ER, Driscoll T, Duber H, Ebel B, Edmond K, Elbaz A, Ali SE, Erskine H, Erwin PJ, Espindola P, Ewoigbokhan SE, Farzadfar F, Feigin V, Felson DT, Ferrari A, Ferri CP, Fevre EM, Finucane MM, Flaxman S, Flood L, Foreman K, Forouzanfar MH, Fowkes FG, Fransen M, Freeman MK, Gabbe BJ, Gabriel SE, Gakidou E, Ganatra HA, Garcia B, Gaspari F, Gillum RF, Gmel G, Gonzalez-Medina D, Gosselin R, Grainger R, Grant B, Groeger J, Guillemin F, Gunnell D, Gupta R, Haagsma J, Hagan H, Halasa YA, Hall W, Haring D, Haro JM, Harrison JE, Havmoeller R, Hay RJ, Higashi H, Hill C, Hoen B, Hoffman H, Hotez PJ, Hoy D, Huang JJ, Ibeanusi SE, Jacobsen KH, James SL, Jarvis D, Jasrasaria R, Jayaraman S, Johns N, Jonas JB, Karthikeyan G, Kassebaum N, Kawakami N, Keren A, Khoo JP, King CH, Knowlton LM, Kobusingye O, Koranteng A, Krishnamurthi R, Laden F, Lalloo R, Laslett LL, Lathlean T, Leasher JL, Lee YY, Leigh J, Levinson D, Lim SS, Limb E, Lin JK, Lipnick M, Lipshultz SE, Liu W, Loane M, Ohno SL, Lyons R, Mabweijano J, MacIntyre MF, Malekzadeh R, Mallinger L, Manivannan S, Marcenes W, March L, Margolis DJ, Marks GB, Marks R, Matsumori A, Matzopoulos R, Mayosi BM, McAnulty JH, McDermott MM, McGill N, McGrath J, Medina-Mora ME, Meltzer M, Mensah GA, Merriman TR, Meyer AC, Miglioli V, Miller M, Miller TR, Mitchell PB, Mock C, Mocumbi AO, Moffitt TE, Mokdad AA, Monasta L, Montico M, Moradi-Lakeh M, Moran A, Morawska L, Mori R, Murdoch ME, Mwaniki MK, Naidoo K, Nair MN, Naldi L, Narayan KM, Nelson PK, Nelson RG, Nevitt MC, Newton CR, Nolte S, Norman P, Norman R, O'Donnell M, O'Hanlon S, Olives C, Omer SB, Ortblad K, Osborne R, Ozgediz D, Page A, Pahari B, Pandian JD, Rivero AP, Patten SB, Pearce N, Padilla RP, Perez-Ruiz F, Perico N, Pesudovs K, Phillips D, Phillips MR, Pierce K, Pion S, Polanczyk GV, Polinder S, Pope CA 3rd, Popova S, Porrini E, Pourmalek F, Prince M, Pullan RL, Ramaiah KD, Ranganathan D, Razavi H, Regan M, Rehm JT, Rein DB, Remuzzi G, Richardson K, Rivara FP, Roberts T, Robinson C, De Leon FR, Ronfani L, Room R, Rosenfeld LC, Rushton L, Sacco RL, Saha S, Sampson U, Sanchez-Riera L, Sanman E, Schwebel DC, Scott JG, Segui-Gomez M, Shahraz S, Shepard DS, Shin H, Shivakoti R, Singh D, Singh GM, Singh JA, Singleton J, Sleet DA, Sliwa K, Smith E, Smith JL, Stapelberg NJ, Steer A, Steiner T, Stolk WA, Stovner LJ, Sudfeld C, Syed S, Tamburlini G, Tavakkoli M, Taylor HR, Taylor JA, Taylor WJ, Thomas B, Thomson WM, Thurston GD, Tleyjeh IM, Tonelli M, Towbin JA, Truelsen T, Tsilimbaris MK, Ubeda C, Undurraga EA, van der Werf MJ, van Os J, Vavilala MS, Venketasubramanian N, Wang M, Wang W, Watt K, Weatherall DJ, Weinstock MA, Weintraub R, Weisskopf MG, Weissman MM, White RA, Whiteford H, Wiebe N, Wiersma ST, Wilkinson JD, Williams HC, Williams SR, Witt E, Wolfe F, Woolf AD, Wulf S, Yeh PH, Zaidi AK, Zheng ZJ, Zonies D, Lopez AD, AlMazroa MA, Memish ZA. Disability-adjusted life years (DALYs) for 291 diseases and injuries in 21 regions, 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012 Dec 15;380(9859):2197-223. doi: 10.1016/S0140-6736(12)61689-4.
Background: PubMed 11393491Centers for Disease Control and Prevention (CDC). Prevalence of disabilities and associated health conditions among adults--United States, 1999. MMWR Morb Mortal Wkly Rep. 2001 Feb 23;50(7):120-5.
Background: PubMed 23245607Vos T, Flaxman AD, Naghavi M, Lozano R, Michaud C, Ezzati M, Shibuya K, Salomon JA, Abdalla S, Aboyans V, Abraham J, Ackerman I, Aggarwal R, Ahn SY, Ali MK, Alvarado M, Anderson HR, Anderson LM, Andrews KG, Atkinson C, Baddour LM, Bahalim AN, Barker-Collo S, Barrero LH, Bartels DH, Basanez MG, Baxter A, Bell ML, Benjamin EJ, Bennett D, Bernabe E, Bhalla K, Bhandari B, Bikbov B, Bin Abdulhak A, Birbeck G, Black JA, Blencowe H, Blore JD, Blyth F, Bolliger I, Bonaventure A, Boufous S, Bourne R, Boussinesq M, Braithwaite T, Brayne C, Bridgett L, Brooker S, Brooks P, Brugha TS, Bryan-Hancock C, Bucello C, Buchbinder R, Buckle G, Budke CM, Burch M, Burney P, Burstein R, Calabria B, Campbell B, Canter CE, Carabin H, Carapetis J, Carmona L, Cella C, Charlson F, Chen H, Cheng AT, Chou D, Chugh SS, Coffeng LE, Colan SD, Colquhoun S, Colson KE, Condon J, Connor MD, Cooper LT, Corriere M, Cortinovis M, de Vaccaro KC, Couser W, Cowie BC, Criqui MH, Cross M, Dabhadkar KC, Dahiya M, Dahodwala N, Damsere-Derry J, Danaei G, Davis A, De Leo D, Degenhardt L, Dellavalle R, Delossantos A, Denenberg J, Derrett S, Des Jarlais DC, Dharmaratne SD, Dherani M, Diaz-Torne C, Dolk H, Dorsey ER, Driscoll T, Duber H, Ebel B, Edmond K, Elbaz A, Ali SE, Erskine H, Erwin PJ, Espindola P, Ewoigbokhan SE, Farzadfar F, Feigin V, Felson DT, Ferrari A, Ferri CP, Fevre EM, Finucane MM, Flaxman S, Flood L, Foreman K, Forouzanfar MH, Fowkes FG, Franklin R, Fransen M, Freeman MK, Gabbe BJ, Gabriel SE, Gakidou E, Ganatra HA, Garcia B, Gaspari F, Gillum RF, Gmel G, Gosselin R, Grainger R, Groeger J, Guillemin F, Gunnell D, Gupta R, Haagsma J, Hagan H, Halasa YA, Hall W, Haring D, Haro JM, Harrison JE, Havmoeller R, Hay RJ, Higashi H, Hill C, Hoen B, Hoffman H, Hotez PJ, Hoy D, Huang JJ, Ibeanusi SE, Jacobsen KH, James SL, Jarvis D, Jasrasaria R, Jayaraman S, Johns N, Jonas JB, Karthikeyan G, Kassebaum N, Kawakami N, Keren A, Khoo JP, King CH, Knowlton LM, Kobusingye O, Koranteng A, Krishnamurthi R, Lalloo R, Laslett LL, Lathlean T, Leasher JL, Lee YY, Leigh J, Lim SS, Limb E, Lin JK, Lipnick M, Lipshultz SE, Liu W, Loane M, Ohno SL, Lyons R, Ma J, Mabweijano J, MacIntyre MF, Malekzadeh R, Mallinger L, Manivannan S, Marcenes W, March L, Margolis DJ, Marks GB, Marks R, Matsumori A, Matzopoulos R, Mayosi BM, McAnulty JH, McDermott MM, McGill N, McGrath J, Medina-Mora ME, Meltzer M, Mensah GA, Merriman TR, Meyer AC, Miglioli V, Miller M, Miller TR, Mitchell PB, Mocumbi AO, Moffitt TE, Mokdad AA, Monasta L, Montico M, Moradi-Lakeh M, Moran A, Morawska L, Mori R, Murdoch ME, Mwaniki MK, Naidoo K, Nair MN, Naldi L, Narayan KM, Nelson PK, Nelson RG, Nevitt MC, Newton CR, Nolte S, Norman P, Norman R, O'Donnell M, O'Hanlon S, Olives C, Omer SB, Ortblad K, Osborne R, Ozgediz D, Page A, Pahari B, Pandian JD, Rivero AP, Patten SB, Pearce N, Padilla RP, Perez-Ruiz F, Perico N, Pesudovs K, Phillips D, Phillips MR, Pierce K, Pion S, Polanczyk GV, Polinder S, Pope CA 3rd, Popova S, Porrini E, Pourmalek F, Prince M, Pullan RL, Ramaiah KD, Ranganathan D, Razavi H, Regan M, Rehm JT, Rein DB, Remuzzi G, Richardson K, Rivara FP, Roberts T, Robinson C, De Leon FR, Ronfani L, Room R, Rosenfeld LC, Rushton L, Sacco RL, Saha S, Sampson U, Sanchez-Riera L, Sanman E, Schwebel DC, Scott JG, Segui-Gomez M, Shahraz S, Shepard DS, Shin H, Shivakoti R, Singh D, Singh GM, Singh JA, Singleton J, Sleet DA, Sliwa K, Smith E, Smith JL, Stapelberg NJ, Steer A, Steiner T, Stolk WA, Stovner LJ, Sudfeld C, Syed S, Tamburlini G, Tavakkoli M, Taylor HR, Taylor JA, Taylor WJ, Thomas B, Thomson WM, Thurston GD, Tleyjeh IM, Tonelli M, Towbin JA, Truelsen T, Tsilimbaris MK, Ubeda C, Undurraga EA, van der Werf MJ, van Os J, Vavilala MS, Venketasubramanian N, Wang M, Wang W, Watt K, Weatherall DJ, Weinstock MA, Weintraub R, Weisskopf MG, Weissman MM, White RA, Whiteford H, Wiersma ST, Wilkinson JD, Williams HC, Williams SR, Witt E, Wolfe F, Woolf AD, Wulf S, Yeh PH, Zaidi AK, Zheng ZJ, Zonies D, Lopez AD, Murray CJ, AlMazroa MA, Memish ZA. Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010. Lancet. 2012 Dec 15;380(9859):2163-96. doi: 10.1016/S0140-6736(12)61729-2.
Background: PubMed 19407734Centers for Disease Control and Prevention (CDC). Prevalence and most common causes of disability among adults--United States, 2005. MMWR Morb Mortal Wkly Rep. 2009 May 1;58(16):421-6.
Background: PubMed 29024802Kraus VB, Conaghan PG, Aazami HA, Mehra P, Kivitz AJ, Lufkin J, Hauben J, Johnson JR, Bodick N. Synovial and systemic pharmacokinetics (PK) of triamcinolone acetonide (TA) following intra-articular (IA) injection of an extended-release microsphere-based formulation (FX006) or standard crystalline suspension in patients with knee osteoarthritis (OA). Osteoarthritis Cartilage. 2018 Jan;26(1):34-42. doi: 10.1016/j.joca.2017.10.003. Epub 2017 Oct 9.
Background: PubMed 26041848Bodick N, Lufkin J, Willwerth C, Kumar A, Bolognese J, Schoonmaker C, Ballal R, Hunter D, Clayman M. An intra-articular, extended-release formulation of triamcinolone acetonide prolongs and amplifies analgesic effect in patients with osteoarthritis of the knee: a randomized clinical trial. J Bone Joint Surg Am. 2015 Jun 3;97(11):877-88. doi: 10.2106/JBJS.N.00918.
Background: PubMed 25952346McAlindon TE, Driban JB, Henrotin Y, Hunter DJ, Jiang GL, Skou ST, Wang S, Schnitzer T. OARSI Clinical Trials Recommendations: Design, conduct, and reporting of clinical trials for knee osteoarthritis. Osteoarthritis Cartilage. 2015 May;23(5):747-60. doi: 10.1016/j.joca.2015.03.005.
Background: PubMed 28647467Dobson F, Hinman RS, Hall M, Marshall CJ, Sayer T, Anderson C, Newcomb N, Stratford PW, Bennell KL. Reliability and measurement error of the Osteoarthritis Research Society International (OARSI) recommended performance-based tests of physical function in people with hip and knee osteoarthritis. Osteoarthritis Cartilage. 2017 Nov;25(11):1792-1796. doi: 10.1016/j.joca.2017.06.006. Epub 2017 Jun 22.
Background: PubMed 19215728Davis AM, Perruccio AV, Canizares M, Hawker GA, Roos EM, Maillefert JF, Lohmander LS. Comparative, validity and responsiveness of the HOOS-PS and KOOS-PS to the WOMAC physical function subscale in total joint replacement for osteoarthritis. Osteoarthritis Cartilage. 2009 Jul;17(7):843-7. doi: 10.1016/j.joca.2009.01.005. Epub 2009 Jan 31.
Background: PubMed 28085998Gandek B, Ware JE Jr. Validity and Responsiveness of the Knee Injury and Osteoarthritis Outcome Score: A Comparative Study Among Total Knee Replacement Patients. Arthritis Care Res (Hoboken). 2017 Jun;69(6):817-825. doi: 10.1002/acr.23193. Epub 2017 May 8.
Individual participant dataSharing planned: No

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Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.

Neil A Segal, MD principal investigator

University of Kansas Medical Center

1 site in 1 country: see every site and its status.

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Zilretta in people with Knee Osteoarthritis, run by University of Kansas Medical Center 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 8 inclusion and 20 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 5 May 2022. 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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 29 Mar 2022). 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?

30 Second Chair Standing Test (time frame: 12 weeks). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03895840, which also lists 13 linked publications.

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 5 May 2022.