Trial Outcomes & Findings for High-Purity Type I Collagen Augmentation in Meniscal Repair (NCT NCT07352410)

NCT ID: NCT07352410

Last Updated: 2026-04-08

Results Overview

Incidence of device-related adverse events, including infection, inflammatory reactions, synovitis, or need for re-operationfollowing collagen-augmented meniscal repair.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

18 participants

Primary outcome timeframe

From surgery to 2 months post-operatively

Results posted on

2026-04-08

Participant Flow

Participant milestones

Participant milestones
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Overall Study
STARTED
18
Overall Study
COMPLETED
18
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Age, Continuous
29.6 years
STANDARD_DEVIATION 6.4 • n=18 Participants
Sex: Female, Male
Female
7 Participants
n=18 Participants
Sex: Female, Male
Male
11 Participants
n=18 Participants
Region of Enrollment
India
18 Participants
n=18 Participants
Meniscus Tear Side
Medial Meniscus Tear
10 Participants
n=18 Participants
Meniscus Tear Side
Lateral Meniscus Tear
8 Participants
n=18 Participants
Tear Zone
Red-Red Zone Tears
7 Participants
n=18 Participants
Tear Zone
ed-White Zone Tears
11 Participants
n=18 Participants
Longitudinal/Bucket-handle tears
13 Participants
n=18 Participants
Time from Injury to Surgery (weeks)
3.4 weeks
STANDARD_DEVIATION 1.2 • n=18 Participants

PRIMARY outcome

Timeframe: From surgery to 2 months post-operatively

Incidence of device-related adverse events, including infection, inflammatory reactions, synovitis, or need for re-operationfollowing collagen-augmented meniscal repair.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Safety of High-Purity Type I Collagen Augmentation
Device-related adverse events
0 Participants
Safety of High-Purity Type I Collagen Augmentation
Infections
0 Participants
Safety of High-Purity Type I Collagen Augmentation
Synovitis
0 Participants
Safety of High-Purity Type I Collagen Augmentation
Reoperation
0 Participants

SECONDARY outcome

Timeframe: Baseline, 6 weeks, and 8 weeks

Change in patient-reported knee pain measured using the Visual Analog Scale. Pain intensity was assessed using a 10-point Visual Analog Scale (VAS) ranging from 0 to 10, where 0 represents no pain and 10 represents the worst imaginable pain. Lower scores indicate less pain and better clinical status, while higher scores indicate greater pain severity and worse symptoms.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Pain Reduction Using Visual Analog Scale (VAS)
Baseline
62 score on a scale
Standard Deviation 1.1
Pain Reduction Using Visual Analog Scale (VAS)
6 weeks
3.9 score on a scale
Standard Deviation 1.2
Pain Reduction Using Visual Analog Scale (VAS)
8 weeks
3.1 score on a scale
Standard Deviation 1.0

SECONDARY outcome

Timeframe: Baseline and 2 months

Change in knee function assessed using the International Knee Documentation Committee (IKDC) subjective knee score, a patient-reported outcome measure assessing symptoms, knee function, and ability to perform daily and sports activities. Scores range from 0 to 100, where 0 represents the worst possible knee function and 100 represents normal knee function without limitations. Higher scores indicate better knee function, and an increase in score represents clinical improvement.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Functional Outcome Using IKDC Subjective Knee Score
Baseline
58.1 score on a scale
Standard Deviation 9.4
Functional Outcome Using IKDC Subjective Knee Score
2 months
67.5 score on a scale
Standard Deviation 10.1

SECONDARY outcome

Timeframe: Baseline and 2 months

Knee stability and functional performance were evaluated using the Lysholm Knee Scoring Scale, a validated questionnaire assessing pain, instability, swelling, limp, locking, and stair climbing ability. The total score ranges from 0 to 100, where higher scores indicate better knee function and fewer symptoms. A score of 100 represents optimal knee function, while lower scores indicate increasing levels of impairment. Therefore, an increase in Lysholm score represents clinical improvement.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Functional Outcome Using Lysholm Knee Score
Baseline
62.4 score on a scale
Standard Deviation 8.7
Functional Outcome Using Lysholm Knee Score
2 months
74.8 score on a scale
Standard Deviation 9.1

SECONDARY outcome

Timeframe: 2 months post-operatively

MRI-based assessment of meniscal integrity, signal intensity at the repair site, and presence of fluid clefts or displacement. Participants with non-interpretable or unavailable MRI were categorized as 'Not assessable'.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Early Meniscal Healing on MRI
Complete healing
7 Participants
Early Meniscal Healing on MRI
Partial healing
6 Participants
Early Meniscal Healing on MRI
Incomplete healing
3 Participants
Early Meniscal Healing on MRI
Not assessable / Indeterminate
2 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline, 6 weeks, and 8 weeks

Objective clinical examination findings were assessed during postoperative follow-up to evaluate knee recovery after collagen-augmented meniscal repair. Examination included knee range of motion (ROM) measured using a goniometer.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Objective Clinical Knee Examination Findings - Range of Motion
Baseline
102 degrees
Standard Deviation 12
Objective Clinical Knee Examination Findings - Range of Motion
6 weeks
118 degrees
Standard Deviation 10
Objective Clinical Knee Examination Findings - Range of Motion
8 weeks
128 degrees
Standard Deviation 8

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline, 6 weeks, and 8 weeks

Objective clinical examination findings were assessed during postoperative follow-up to evaluate knee recovery after collagen-augmented meniscal repair. Examination included presence of Joint Line Tenderness at the time of examination.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Objective Clinical Knee Examination Findings - Joint Line Tenderness
Baseline
18 Participants
Objective Clinical Knee Examination Findings - Joint Line Tenderness
6 weeks
6 Participants
Objective Clinical Knee Examination Findings - Joint Line Tenderness
8 weeks
2 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline, 6 weeks, and 8 weeks

Objective clinical examination findings were assessed during postoperative follow-up to evaluate knee recovery after collagen-augmented meniscal repair. Examination included presence of Knee Effusion at the time of examination.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Objective Clinical Knee Examination Findings - Knee Effusion
Baseline
12 Participants
Objective Clinical Knee Examination Findings - Knee Effusion
6 weeks
4 Participants
Objective Clinical Knee Examination Findings - Knee Effusion
8 weeks
1 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline, 6 weeks, and 8 weeks

Objective clinical examination findings were assessed during postoperative follow-up to evaluate knee recovery after collagen-augmented meniscal repair. The McMurray test is a standardized clinical examination maneuver used to assess the presence of meniscal pathology in the knee joint. The test is performed with the patient in the supine position while the examiner flexes the knee and applies rotational stress to the tibia while extending the knee. A positive McMurray test is defined by the presence of a palpable or audible click, pain, or both along the joint line during the maneuver, suggesting a meniscal tear or residual meniscal pathology. Results were recorded as positive or negative, and the number of participants with a positive test was reported at each follow-up time point.

Outcome measures

Outcome measures
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 Participants
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Objective Clinical Knee Examination Findings - McMurray Test
Baseline
15 Participants
Objective Clinical Knee Examination Findings - McMurray Test
6 weeks
5 Participants
Objective Clinical Knee Examination Findings - McMurray Test
8 weeks
2 Participants

Adverse Events

High-Purity Type I Collagen-Augmented Meniscal Repair

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 participants at risk
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Surgical and medical procedures
Reoperation
0.00%
0/18 • 8 weeks from the time of surgery, including surgery

Other adverse events

Other adverse events
Measure
High-Purity Type I Collagen-Augmented Meniscal Repair
n=18 participants at risk
Participants undergo standard arthroscopic meniscal repair augmented with High-Purity Type I Collagen applied at the repair site. High-Purity Type I Collagen: Standard arthroscopic meniscal repair performed using established techniques (inside-out, outside-in, or all-inside). High-Purity Type I Collagen mesh is trimmed and applied over or within the repair site and secured using sutures or fibrin sealant, according to intra-operative requirements.
Infections and infestations
Surgical Site Infection
0.00%
0/18 • 8 weeks from the time of surgery, including surgery
Musculoskeletal and connective tissue disorders
Synovitis
0.00%
0/18 • 8 weeks from the time of surgery, including surgery
Product Issues
Device reaction
0.00%
0/18 • 8 weeks from the time of surgery, including surgery

Additional Information

Prof Naveen Narayan

Adichunchanagiri Institute of Medical Sciences

Phone: +91-9980023372

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place