Diphenhydramine Ointment for Knee Osteoarthritis

NCT ID: NCT05036174

Last Updated: 2021-09-05

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-09-30

Study Completion Date

2022-04-30

Brief Summary

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The main purpose of this study is to evaluate whether recruitment rates are adequate to power a future RCT. The secondary aims are to obtain preliminary information about safety and efficacy of topical diphenhydramine 5% ointment in patients with knee OA.

Detailed Description

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Conditions

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Osteoarthritis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Diphenhydramine

Topical 5% diphenhydramine ointment applied at knee joint at a dose of 2 g three times a day for 7 days

Group Type EXPERIMENTAL

Diphenhydramine 5%

Intervention Type DRUG

Diphenhydramine 5% ointment

Placebo

Vehicle (placebo) ointment applied at knee joint at a dose of 2 g three times a day for 7 days

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Placebo matched to diphenhydramine 5% ointment

Interventions

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Diphenhydramine 5%

Diphenhydramine 5% ointment

Intervention Type DRUG

Placebo

Placebo matched to diphenhydramine 5% ointment

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. ACR clinical criteria of knee OA
2. Radiographic knee OA (Kellgren-Lawrence grade \>1)
3. Age ≥ 50 years
4. VAS pain \>= 40/100 mm at baseline
5. Non-use of NSAIDs one week before the baseline
6. Symptoms present on most days for at least 3 months

Exclusion Criteria

1. Any form of inflammatory arthritis
2. Use of another topical product at the application site
3. Treatment with intraarticular hyaluronic acid within 6 months
4. Treatment with intraarticular glucocorticoid within 2 months
5. Knee injury/surgery or diagnostic arthroscopy within 3 months
6. Allergic reaction to diphenhydramine or any component of the formulation
7. Participant has clinical signs and symptoms suggestive of COVID-19, eg, fever, dry cough, dyspnea, sore throat, fatigue or confirmed infection by appropriate laboratory test within the last 4 weeks prior to Screening
Minimum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Federal State Budgetary Scientific Institution, Research Institute of Fundamental and Clinical Immunology

OTHER

Sponsor Role lead

Responsible Party

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Ivan Shirinsky, MD, PhD

Head of the laboratory of immunopharmacology

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Laboratory of Clinical Immunopharmacology

Novosibirsk, , Russia

Site Status

Countries

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Russia

Central Contacts

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Ivan Shirinsky, MD, Doctor of Science

Role: CONTACT

+73832282547

Valery Shirinsky, Professor, MD

Role: CONTACT

+73832282547

Other Identifiers

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415-5.13.04.2021-1

Identifier Type: -

Identifier Source: org_study_id

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