nSTRIDE APS in Females With Primary Patellofemoral Osteoarthritis

Not Applicable

Completed

Conditions: Patellofemoral Osteoarthritis

Registration Number: NCT02610192

Lead Sponsor: Zimmer Biomet

Brief Summary: The purpose of this study is to evaluate clinical outcomes following a single injection of nSTRIDE Autologous Protein Solution in females with isolated patellofemoral osteoarthritis. A secondary objective of this study is to document the duration of treatment effect following nSTRIDE injection.

Detailed Description: Clinical trials have, in general, formally demonstrated the effectiveness and safety of various autologous therapies for the treatment of knee OA. Differences in the processing of autologous therapies can yield substantial differences in the resulting output. Thus, making generalizations regarding the effectiveness across these autologous therapies is more complicated. Each autologous therapy requires independent efficacy evaluation. nSTRIDE APS has been shown to decrease pain, increase function and have a favorable safety profile in a pilot trial. Further, demonstration of the treatment effects in patellofemoral osteoarthritis, an important subset of knee osteoarthritis is lacking. This study will evaluate a population of female patients with patellofemoral osteoarthritis in which treatment with other modalities provides limited/short lived relief with the hope that APS treatment will provide and extend relief to these patients. The study will document the treatment effects and timeline of treatment effects for nSTRIDE APS following a single injection (per symptomatic knee).

Recruitment & Eligibility

Status: COMPLETED

Sex: Female

Target Recruitment: 52

Inclusion Criteria

Patient must be female
Isolated patellofemoral osteoarthritis (PFOA) in one or both knees as diagnosed by the treating physician
Objective evidence of PFOA on one or both of a radiograph or MRI taken within 3 months of treatment
From 40-65 years of age, inclusive at time of injection
Symptoms return such that there is a need for further treatment within 3 months of a corticosteroid or hyaluronic acid injection
Willing and able to comply with the study procedures
Sign informed consent form

Exclusion Criteria

Any systematic inflammatory condition (e.g. rheumatoid arthritis)
Active malignancy at time of injection
Pregnant at time of injection
Lactating at time of injection
Knee joint infections or skin diseases or infections in the area of the injection site
Leukemia, metastatic malignant cells, or who are receiving chemotherapeutic treatment
Participation in another device, biologic or drug study

Study & Design

Study Type: INTERVENTIONAL

Study Design: SINGLE_GROUP

Primary Outcome Measures

Name	Time	Method
Pain Measured With Knee Injury and Osteoarthritis Outcome Score (KOOS) Questionnaire Subscale Pain at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KOOS questionnaire is a commonly used instrument to assess the patient's opinion about their knee and associated problems. The original KOOS consists of 5 subscales: Pain (9 questions), Symptoms (7 questions), Function in daily living (ADL) (17 questions), Function in sport and recreation (Sport/Rec) (5 questions) and knee related Quality of Life (QoL) (4 questions). On this scale, 100% indicates no problems and 0% indicates extreme problems.

Secondary Outcome Measures

Name	Time	Method
Symptoms Measured With Knee Injury and Osteoarthritis Outcome Score (KOOS) Questionnaire Subscale Symptoms at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KOOS questionnaire is a commonly used instrument to assess the patient's opinion about their knee and associated problems. The original KOOS consists of 5 subscales: Pain (9 questions), Symptoms (7 questions), Function in daily living (ADL) (17 questions), Function in sport and recreation (Sport/Rec) (5 questions) and knee related Quality of Life (QoL) (4 questions). On this scale, 100% indicates no problems and 0% indicates extreme problems
Pain Measured With Numeric Rating Scales (NRS) Questionnaire Subscale Pain at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The NRS is a validated measure of pain, stiffness and function. The NRS is an 11 point Likert type scale anchored by 0 "no pain" and 10 "worst possible pain". Subjects rate their average pain over the last 24 hours. Likewise subjects rate their stiffness and function on an 11 point Likert type scale
Function in Daily Living (ADL) Measured With Knee Injury and Osteoarthritis Outcome Score (KOOS) Questionnaire Subscale ADL at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KOOS questionnaire is a commonly used instrument to assess the patient's opinion about their knee and associated problems. The original KOOS consists of 5 subscales: Pain (9 questions), Symptoms (7 questions), Function in daily living (ADL) (17 questions), Function in sport and recreation (Sport/Rec) (5 questions) and knee related Quality of Life (QoL) (4 questions). On this scale, 100% indicates no problems and 0% indicates extreme problems
Function in Sport and Recreation (Sport/Rec) Measured With Knee Injury and Osteoarthritis Outcome Score (KOOS) Questionnaire Subscale Sport/Rec at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KOOS questionnaire is a commonly used instrument to assess the patient's opinion about their knee and associated problems. The original KOOS consists of 5 subscales: Pain (9 questions), Symptoms (7 questions), Function in daily living (ADL) (17 questions), Function in sport and recreation (Sport/Rec) (5 questions) and knee related Quality of Life (QoL) (4 questions). On this scale, 100% indicates no problems and 0% indicates extreme problems
Quality of Life (QoL) Measured With Knee Injury and Osteoarthritis Outcome Score (KOOS) Questionnaire Subscale QoL at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KOOS questionnaire is a commonly used instrument to assess the patient's opinion about their knee and associated problems. The original KOOS consists of 5 subscales: Pain (9 questions), Symptoms (7 questions), Function in daily living (ADL) (17 questions), Function in sport and recreation (Sport/Rec) (5 questions) and knee related Quality of Life (QoL) (4 questions). On this scale, 100% indicates no problems and 0% indicates extreme problems
Stifness Measured With Numeric Rating Scales (NRS) Questionnaire Subscale Stiffness at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The NRS is a validated measure of pain, stiffness and function. The NRS is an 11 point Likert type scale anchored by 0 "no pain" and 10 "worst possible pain". Subjects rate their average pain over the last 24 hours. Likewise subjects rate their stiffness and function on an 11 point Likert type scale
Function Measured With Numeric Rating Scales (NRS) Questionnaire Subscale Function at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The NRS is a validated measure of pain, stiffness and function. The NRS is an 11 point Likert type scale anchored by 0 "no pain" and 10 "worst possible pain". Subjects rate their average pain over the last 24 hours. Likewise subjects rate their stiffness and function on an 11 point Likert type scale
Patellofemoral Pain and Function Measured With Kujala Anterior Knee Pain Assessment Questionnaire (KAKPAQ) Questionnaire at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The KAKPAQ is a 13-item screening instrument designed to assess patellofemoral pain and instability in adolescents and young adults, with a variable ordinal response format (3-5 choices). The questions included knee functional ability; limping, weight bearing, walking, stairs, squatting, running, jumping, prolonged sitting, pain swelling, painful patellar movement, muscle atrophy and flexion deficiency. Each answer had different scores. To calculate the total score, all items were summarized. The score '0' represented the greatest limitation of knee function, whereas the score '100' indicated the ability to perform most knee functions
Activity Measured With UCLA Activity Score Questionnaire at 1, 3, 6 and 12 Months	Baseline, 1, 3, 6 and 12 Months	The UCLA Activity Score is a validated measure of subject activity. Subjects rate their current activity level from on a simple scale ranging from 1 to 10. The subject indicated her or his most appropriate activity level, with 1 defined as "no physical activity, dependent on others" and 10 defined as "regular participation in impact sports