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AMPION

Phase 3

Osteoarthritis of the Knee | Biologics | Musculoskeletal |Ampio Pharmaceuticals Inc.|Trials Updated: Sep 21, 2023

AMPION development status

Highest phase Phase 3
Registered trials 6 across 1 sponsor since Jun 2019

AMPION target and mechanism

ModalityBiologics

Also known as of Ampion

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials10
Total Enrollment2,001

FDA Designations

No designations recorded

AMPION clinical trials

AMPION · 10 trials · 8 indications

Phase 3 4Phase 2 1Phase 1/2 1Phase 1 4
NCT03182686AP-003-C Study to Confirm the Efficacy of Ampion™ in Adults With Pain Due to Severe Osteoarthritis of the KneeOsteoarthritis, Knee
COMPLETED168 Analytics
NCT02556710A Study to Evaluate the Efficacy & Safety of an Intra-Articular Ampion Injection for Pain of Osteoarthritis of the KneeOsteoarthritis of the Knee
COMPLETED480 Analytics
NCT02242435A Multiple Injection Study Evaluating Safety and Efficacy of Ampion in OsteoarthritisOsteoarthritis of the Knee
COMPLETED342 Analytics
NCT02024529A Randomized, Controlled Study to Evaluate Efficacy and Safety of Intra-articular Ampion for Osteoarthritis Pain in KneeOsteoarthritis of the Knee
COMPLETED538 Analytics
PHASE3COMPLETED
AP-003-C Study to Confirm the Efficacy of Ampion™ in Adults With Pain Due to Severe Osteoarthritis of the Knee
Osteoarthritis, KneeUnlock trial analytics
PHASE3COMPLETED
A Study to Evaluate the Efficacy & Safety of an Intra-Articular Ampion Injection for Pain of Osteoarthritis of the Knee
Osteoarthritis of the KneeUnlock trial analytics
PHASE3COMPLETED
A Multiple Injection Study Evaluating Safety and Efficacy of Ampion in Osteoarthritis
Osteoarthritis of the KneeUnlock trial analytics
PHASE3COMPLETED
A Randomized, Controlled Study to Evaluate Efficacy and Safety of Intra-articular Ampion for Osteoarthritis Pain in Knee
Osteoarthritis of the KneeUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants Classified as Responders
Determined from Baseline to 12 Weeks

Using the Outcome Measures in Rheumatology Clinical Trials and Osteoarthritis Research Society International (OMERACT-OARSI) criteria of WOMAC A Pain subscore, WOMAC C Function subscore, and PGA as composite endpoints. A patient in this study will be considered a responder for the purpose of efficacy analysis if the following criteria are met: (1) demonstration of ≥ 50% improvement AND a 1.0-unit change in pain OR 1.0-unit change in function OR If the patient does not meet this criterion, then the patient must demonstrate at least 2 of the following: * Improvement in pain (WOMAC A) ≥20% and a 0.5 point absolute change in pain from Baseline on the 5-point Likert scale * Improvement in function (WOMAC C) ≥20% and a 0.5 point absolute change in function from Baseline on the 5-point Likert scale * Improvement in patient global assessment (PGA) ≥20% and a 0.5 point absolute change in function from Baseline on the 5-point Likert scale

Change in Knee Pain
Scored at Baseline and 12 weeks

Mean Change in WOMAC A Pain (Western Ontario and McMaster Universities Arthritis Index) score from Baseline to 12 weeks. 5-point Likert scale (0=none to 4=extreme). A negative difference constitutes a decrease in pain with a greater negative value indicating a greater reduction in pain.

Change in WOMAC A Pain
Scored at Baseline and 12 weeks

Mean Change in WOMAC A Pain (Western Ontario and McMaster Universities Arthritis Index) score from Baseline to 12 weeks. 5-point Likert scale (0=none to 4=extreme). A negative difference constitutes a decrease in pain with a greater negative value indicating a greater reduction in pain.

Incidence and Severity of Adverse Events and Serious Adverse Events (Phase 1)
24 Weeks

Incidence and severity of adverse events and serious adverse events evaluated at 24 weeks

Change in Knee Pain (Phase 2)
Scored at Baseline and 20 Weeks

Mean Change in WOMAC A Pain (Western Ontario and McMaster Universities Arthritis Index) score from Baseline to 12 weeks. 5-point Likert scale (0=none to 4=extreme). A negative difference constitutes a decrease in pain with a greater negative value indicating a greater reduction in pain.

The Number of Participants With Treatment Emergent Adverse Events of Ampion Compared to Placebo
Baseline to Day 28

Number of subjects with treatment emergent adverse events (TEAEs) and serious adverse events (SAEs) of treatment of inhalation Ampion compared to Placebo. AEs were assessed based on symptoms as a severity rating of mild, moderate, or severe. The relationship between AE and study drug was determined as either unrelated, possibly related, or related. SAEs are defined as resulting death, life threatening, requires prolonged hospitalization, results in persistent or significant disability/incapacity, or results in congenital anomaly/birth defect.

Incidence and severity of adverse events
Day 5
Safety will be evaluated from Baseline to Week 4. monitoring incidence of AEs, thumb exam, vitals, and concomitant medication use
Baseline to 4 weeks

The Clinical safety of treatment on base of the thumb will be assessed by recording AEs at all in-clinic visits and the 24-hour, post-injection telephone contact call, by the results of the physical examination of the thumb joint and vital signs (at all in-clinic visits), and by recording prior and concomitant medications including start/stop dates, indication, dose and frequency (at 24 hour post-injection telephone contact call and all in-clinic visits).

Secondary Endpoints

Change in Knee Function
Scored at Baseline and 12 Weeks
Change in WOMAC C Function
Scored at Baseline and 12 weeks.
Change in Knee Stiffness.
Scored at Baseline and 12 weeks.
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AMPION™ 4 mL doseEXPERIMENTAL4 mL injection of Ampion
Placebo 4 mL dosePLACEBO_COMPARATOR4 mL injection of Placebo
Ampion 4ml doseEXPERIMENTAL4 mL intra-articular injection of Ampion
Placebo SolutionPLACEBO_COMPARATOR4 mL placebo intra-articular injection
Ampion 4 mL DoseEXPERIMENTAL4 mL Injection of Ampion
Ampion 10 mL DoseEXPERIMENTAL10 mL Injection of Ampion
Placebo 10 mL DosePLACEBO_COMPARATOR10 mL Injection of Placebo
ActiveEXPERIMENTALAmpion
ControlPLACEBO_COMPARATORPlacebo
AmpionEXPERIMENTALAmpion
Standard of CareOTHERStandard of Care
AMPION™EXPERIMENTALAMPION™, up to 3 mL, single intra-articular injection. Ampion is the ultrafiltrate of 5% HSA.
SalineEXPERIMENTALSaline placebo, up to 3 mL, single intra-articular injection. Saline used as the comparator is 0.9% Sodium Chloride

Interventions

NameTypeDescription
4 mL injection of AmpionBIOLOGICAL4 mL injection of Ampion
4 mL Injection of PlaceboDRUG4 mL Injection of Placebo
4 mL injection of AMPION™BIOLOGICAL4 mL Injection of Ampion
10 mL Injection of AmpionBIOLOGICAL10 mL Injection of Ampion
10 mL Injection of PlaceboDRUG10 mL Injection of Placebo
AmpionBIOLOGICALInhaled Ampion
PlaceboOTHERInhaled Placebo
Standard of CareOTHERStandard of Care
AMPION™BIOLOGICALAMPION™, up to 3 mL, single intra-articular injection. Ampion is the ultrafiltrate of 5% HSA.
SalineBIOLOGICALSaline placebo, up to 3 mL, single intra-articular injection. Saline used as the comparator is 0.9% Sodium Chloride
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Eligibility Criteria

Age Range40 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites13

Inclusion Criteria: * Able to provide written informed consent to participate in the study; * Willing and able to comply with all study requirements and instructions of the site study staff; * Must be ambulatory; * Study knee must have a clinical diagnosis of osteoarthritis (OA) supported by radiol...

Countries:United States
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Competitive Landscape -Osteoarthritis 135 trials (matched to "Osteoarthritis of the Knee")