A Clinical Study to Evaluate the Efficacy of Native CT-II® in Individuals With Knee Osteoarthritis

NCT ID: NCT06917287

Last Updated: 2026-01-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

114 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-04-20

Study Completion Date

2026-02-15

Brief Summary

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This randomized, double-blind, placebo-controlled clinical study evaluates the efficacy of Native CT-II® (undenatured type II collagen) in individuals with knee osteoarthritis using a parallel design.Participants are assigned to one of three groups:

Group 1 receives Native CT-II® (40 mg daily individed doses), Group 2 receives Glucosamine HCL + Chondroitin Sulphate (2700 mg daily as acomparator), and Group 3 receives a placebo (Microcrystalline Cellulose). All participants take threecapsules after breakfast and three after dinner for 90 days . The study aims to screen approximately 142 participants

, randomizing around 114 (considering a 20% dropout rate), with a target of 90completed participants (30 per group). Osteoarthritis (OA) is a degenerative joint disorder causing pain, stiffness, and reduced mobility,primarily affecting older adults. It is a leading cause of disability, with knee OA being the mostprevalent form. The global burden of OA is rising due to aging populations and increasing obesityrates, necessitating improved treatment options. Current management focuses on symptom reliefthrough non-pharmacological (exercise, weight loss) and pharmacological (NSAIDs, analgesics)interventions, though these can have adverse effects.

Undenatured type II collagen (NCTII), derived from chicken sternum, has emerged as a potentialsupplement for joint health. It triggers an immune response that reduces inflammation and supportscartilage repair. Clinical studies show that NCTII improves joint function, pain, and quality of life,outperforming glucosamine and chondroitin with fewer side effects. A new study aims to evaluatethe efficacy of Native CT-II® in individuals with Grade II and III knee OA over 90 days, comparing itto glucosamine-chondroitin and placebo groups.

Detailed Description

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Conditions

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Knee Osteoarthritis (OA)

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized, double-blind, placebo-controlled, parallel design
Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Native CT-II® (undenatured type II collagen)

Strength: 40 mg in 3 capsules

Dose Regimen:

3 yellow capsules containing MCC after breakfast with water 3 blue capsules containing 40 mg Native CT-II® \& MCC after dinner with water Route of administration: Oral

Group Type EXPERIMENTAL

Native CT-II® (undenatured type II collagen)

Intervention Type DIETARY_SUPPLEMENT

Strength: 40 mg in 3 capsules

Dose Regimen:

3 yellow capsules containing MCC after breakfast with water 3 blue capsules containing 40 mg Native CT-II® \& MCC after dinner with water Route of administration: Oral

Glucosamine HCL + Chondroitin Sulphate (G+C) [Comparator]

Strength: 2700 mg (1500 mg G + 1200 mg C)

Dose Regimen:

3 yellow capsules containing G+C after breakfast with water 3 blue capsules containing G+C after dinner with water Route of administration: Oral

Group Type ACTIVE_COMPARATOR

Glucosamine HCL + Chondroitin Sulphate (G+C) [Comparator]

Intervention Type DIETARY_SUPPLEMENT

2700 mg (1500 mg G + 1200 mg C) 3 yellow capsules containing G+C orally after breakfast with water \& 3 blue capsules containing G+C after dinner with water

Placebo [Microcrystalline Cellulose (MCC)]

Strength: 2700 mg excipient

Dose Regimen:

3 yellow capsules containing MCC after breakfast with water 3 blue capsules containing MCC after dinner with water Route of administration: Oral

Group Type PLACEBO_COMPARATOR

Placebo [Microcrystalline Cellulose (MCC)

Intervention Type DIETARY_SUPPLEMENT

2700 mg excipient 3 yellow capsules containing MCC orally after breakfast with water 3 blue capsules containing MCC after dinner with water.

Interventions

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Native CT-II® (undenatured type II collagen)

Strength: 40 mg in 3 capsules

Dose Regimen:

3 yellow capsules containing MCC after breakfast with water 3 blue capsules containing 40 mg Native CT-II® \& MCC after dinner with water Route of administration: Oral

Intervention Type DIETARY_SUPPLEMENT

Glucosamine HCL + Chondroitin Sulphate (G+C) [Comparator]

2700 mg (1500 mg G + 1200 mg C) 3 yellow capsules containing G+C orally after breakfast with water \& 3 blue capsules containing G+C after dinner with water

Intervention Type DIETARY_SUPPLEMENT

Placebo [Microcrystalline Cellulose (MCC)

2700 mg excipient 3 yellow capsules containing MCC orally after breakfast with water 3 blue capsules containing MCC after dinner with water.

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* 1.Individuals ready to give voluntary, written informed consent to participate in the study.

2.Males and females of age between 40 to 65 years (including both values) suffering from Knee Osteoarthritis under no medications.

3.Body mass index (BMI) between 18.5 to 29.9 kg/m2 (including both values). 4.mWOMAC total score ≥ 75. 5. Individuals with knee pain having VAS score of greater than or equal to 60 mm on a 100 mm VAS scale.

6.Radiographic evidence (lateral and anterio-posterior weight-bearing standing X-ray) of grade II/III (in 2: 1 ratio) knee Osteoarthritis (OA) for index joint (The knee with the higher pain score will be designated as the index joint for the study) based on the Kellgren and Lawrence (K\&L) radiographic entry criteria for OA -
* Grade II: Possible joint space narrowing (JSN) with definite osteophyte formation.
* Grade III: Definite joint space narrowing, multiple osteophyte formations, some sclerosis, and possible deformity of bony ends.

7.Individuals with a history of symptomatic knee joint pain of at least 3 months.

8.Non-vegetarians (regardless of whether they eat chicken, fish, goat mutton, pork, beef or eggs) 9.Willing to abstain from food (fish, meat, bone broth, eggs, etc) containing Type II collagen from cartilage 48 h before all assessment visits.

10.Willing to stop using rescue medication 48 hours prior to every assessment visits.

11.Willing to stop the restricted dietary supplements, home-based remedies, and any other form of topical products or medications (mainly includes NSAIDs and local analgesics, DMARD, corticosteroids, etc) for knee joint pain relief or any other reason for the entire study duration.

(Note: only hot and cold fomentation will be allowed, and the participant has to record the daily frequency of fomentation in the diary. The hot/cold fomentation needs to be stopped 48 hours prior to all assessment visits.).

12.Individuals using the western toilet at home and/or workplace. 13.Willing to abstain from alcohol, caffeine, and vigorous physical activity for 24 hours before every study visit.

14.Willingness to participate and comply with the study procedures and required visits.

Exclusion Criteria

* 1.Individuals who have been injured near the knee joint region in the past six months.

2.Individuals with a history of knee surgery, replacement or any non-knee surgical procedures that may impact the study outcomes.

3.Individuals who have used intra-articular injections, platelet replacement therapy, stem cell therapy and or steroids for joint health issues in the last six months.

4.Individuals who have any other chronic disease or condition, or inflammatory disease conditions and/ or are using any medication or dietary supplements or ayurvedic medications or topical ointment/oil/gel for joint health that in the judgment of the Investigator would put the individual at unacceptable risk for an individual in the study or may interfere with evaluations in the study or noncompliance with treatment or visits.

5.History or presence of clinically significant renal, hepatic, endocrine, biliary, gastrointestinal, pancreatic, or neurological disorders, that in the judgment of the Investigator, would interfere with the individual's ability to provide informed consent, comply with the study protocol (which might confound the interpretation of the study results), or put the individual at undue risk.

6.History of uncontrolled hypertension and/or systolic blood pressure more than or equal to 140 mmHg and/or diastolic blood pressure more than or equal to 90 mmHg.

7.Fasting blood glucose (FBG) more than or equal to 126 mg/dl 8.Known cases of gout and/or hyperuricemia 9.Any history or evidence of allergy to chicken, shellfish, eggs or protein products in the past.

10.Use of collagen supplements (as dietary supplements) 11.History of bleeding disorders (e.g. Hemophilia, sickle cell anemia) 12.Other pathologic lesions on X-ray of the knee. 13.Any other condition that would prohibit completion of the exercise protocols.

14.Individuals who have participated in a clinical study with an Investigational product within 90 days before pre-screening, and who plan to participate in another study during the study period.

15.Not willing to abstain from the use of NSAIDs (including aspirin 50 mg/day for cardiovascular health).

16.Pregnant or Lactating females. 17.Individuals having a history of drug or alcohol abuse. 18.Current smokers
Minimum Eligible Age

40 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Vedic Lifesciences Pvt. Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Proactive Othopedic Clinic

Mumbai, Maharashtra, India

Site Status RECRUITING

Ayush Nursing Home

Mumbai, Maharashtra, India

Site Status RECRUITING

Diamond Orthopedic & Multispeciality Hospital

Mumbai, Maharashtra, India

Site Status RECRUITING

O2 Clinic

Nashik, Maharashtra, India

Site Status RECRUITING

Sparsh Superspeciality Hospital

Panvel, Maharashtra, India

Site Status RECRUITING

Countries

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India

Central Contacts

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Dr Sanjay Vaze, MBBS

Role: CONTACT

8655670964

Dr. Asha More, BAMS

Role: CONTACT

8655948425

Facility Contacts

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Dr. Kshitij Shah, MS Ortho, DNB, Ortho B

Role: primary

9833040048

Dr Sagar Karvir, MS Ortho, D. Ortho, FCPS

Role: primary

9821767824

Dr. Amit Bhasale, MS Ortho

Role: primary

8888881882

Dr. Ajinkya Desale, MBBS, MS Ortho

Role: primary

7666556070

Dr.Rohit Nalavade, MBBS, MS Ortho

Role: primary

7718984455

Other Identifiers

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241001/NCTII/OA

Identifier Type: -

Identifier Source: org_study_id

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