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A Study to Evaluate the Efficacy of Amniotic Suspension Allograft in Patients With Osteoarthritis of the Knee

O

Organogenesis

Status and phase

Enrolling
Phase 3

Conditions

Knee Osteoarthritis

Treatments

Biological: Amniotic Suspension Allograft
Drug: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT06000410
22 OA 003 ASA

Details and patient eligibility

About

This study is being conducted to evaluate the efficacy and safety of ASA compared to placebo in the management of osteoarthritis (OA) symptoms of the knee.

Full description

This is a prospective, multicenter, randomized, double-blind, placebo-controlled Phase 3 study of ASA in patients with OA of the knee. Initially, 474 subjects are planned for inclusion in this study using a group sequential design with an interim analyses and a final analysis. Patients will be randomly assigned in a 1:1 ratio to receive a single intra-articular (IA) injection of 2 mL of ASA (plus 2 mL of normal saline) or 4 mL of normal saline on Day 1.

They will have serial assessments of knee pain, function, and symptoms scores, as well as safety assessments for up to 52 weeks after administration of the study drug.

Enrollment

474 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Males or females 18 years of age or older
  • Diagnosis of OA of the index knee by a combination of clinical and radiographic findings.
  • OA of the index knee with Kellgren and Lawrence radiographic classification (Grades 2-4 inclusive),
  • Patients who have failed to adequately respond for at least 6 months to at least two osteoarthritis therapies within the last 12 months
  • Overall index knee pain score above minimum required WOMAC Pain scale.
  • Body mass index < 40 kg/m2
  • Using birth control, sterile or post-menopausal.
  • Able to understand and provide written informed consent

Exclusion criteria

  • Kellgren and Lawrence radiographic grade 1 OA of the knee
  • Use of pain medication less than 5 days before the baseline visit
  • Regular use of anticoagulants
  • Symptoms that could indicate meniscal displacement or an IA loose body.
  • Corticosteroid injection into the index knee within 3 months prior to screening.
  • Viscosupplement or any other autologous or allogeneic product into the index knee within 6 months prior to screening.
  • Patients with known hypersensitivity reactions to ASA or any of its constituents.
  • Knee surgery on the index knee within 12 months prior to screening and/or planned knee surgery during the study
  • Knee surgery on the contralateral knee within 6 months prior to screening and/or planned knee surgery during the study
  • Acute index knee trauma within 3 months prior to screening
  • Knee effusion requiring aspiration of the index or contralateral knee within 3 months prior to screening.
  • Contralateral knee pain above limits defined in the protocol
  • Current therapy with any immunosuppressive therapy or medical conditions likely to require systemic steroids during the study.
  • Any active or systemic infection including infection of the index knee joint or breakdown or disease of the index knee skin/soft tissues.
  • Clinically significant intercurrent illness, medical condition, non-knee pain, or medical history that would jeopardize patient safety, limit participation, or compromise interpretation of data derived from the patient
  • Active alcohol or substance use disorder, or any other reason that would make it unlikely that the patient will comply with study procedures
  • Females who are pregnant or lactating
  • Participation in another clinical trial within the 30 days (or 5 half-lives of the investigational compound, whichever is longer) before screening.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

474 participants in 2 patient groups, including a placebo group

ASA
Experimental group
Description:
Participants receive a single IA injection of 2 mL of ASA (plus 2 mL of normal saline)
Treatment:
Biological: Amniotic Suspension Allograft
Placebo
Placebo Comparator group
Description:
Participants receive a single IA injection of 4 mL of normal saline
Treatment:
Drug: Placebo

Trial contacts and locations

41

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Central trial contact

Clinical Trials Office

Data sourced from clinicaltrials.gov

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