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Effects of feverfew (Tanacetum Parthenium) on the knee osteoarthritis symptoms

Study on the effects of Tanacetum Parthenium (feverfew) on the symptoms of knee osteoarthritis: A randomized controlled clinical trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20090804002288N19
Enrollment
64
Registered
2026-05-06
Start date
2026-06-22
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary knee osteoarthritis. Primary gonarthrosis

Interventions

Intervention 1: Intervention group: Patients of this group consume one capsule containing 250 mg standardized hydro-alcoholic extract of Tanacetum Parthenium every 12 hours after meal for 2 months. In

Sponsors

Bagheiat-allah University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 80 Years

Inclusion criteria

Inclusion criteria: Diagnosis of knee osteoarthritis (grade 2 to 3 based on radiological criteria) Age between 40 and 80 years Ability of taking oral drugs and cooperation with treatment follow-up

Exclusion criteria

Exclusion criteria: Secondary osteoarthritis History of knee surgery or knee injection within the past 6 months Severe systemic diseases (cardiac, hepatic, renal, infectious) Coagulopathies or use of anticoagulant drugs Pregnancy, breastfeeding, or planning for pregnancy History of allergy to plants of the Asteraceae family (e.g., chicory, artichoke, daisy, sunflower)

Design outcomes

Primary

MeasureTime frame
Total extent of knee osteoarthritis symptoms. Timepoint: At the start of study, and 1 and 2 months after intervention. Method of measurement: Western Ontario and McMaster Universities Osteoarthritis Arthritis Index questionnaire.

Secondary

MeasureTime frame
Degree of patients satisfaction. Timepoint: At the start of study and 2 months after intervention. Method of measurement: Ten centimeter ruler.;Serum glutamic oxaloacetic transaminase. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Serum glutamic pyruvic transaminase. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Blood creatinine. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Blood Urea Nitrogen. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Complete Blood Count. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Prothrombin Time. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Partial Thromboplastin Time. Timepoint: At the start and 2 months after intervention. Method of measurement: Autoanalyzer.;Drug side effects. Timepoint: During the study. Method of measurement: Patient report and blood tests.;Extent of knee joint pain. Timepoint: At the start and 1 and 2 months after intervention. Method of measurement: Western Ontario and McMaster Universities Arthritis Index questionnaire.;Extent of knee joint stiffness. Timepoint: At the start and 1 and 2 months after intervention. Method of measurement: Western Ontario and McMaster Universities Arthritis Index questionnaire.;Extent of patient physical function. Timepoint: At the start and 1 and 2 months after intervention. Method of measurement: Western Ontario and McMaster Universities Arthritis Index questionnaire.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAkram Rostamzadeh

Bagheiat-allah University of Medical Sciences

rostamzadehak@yahoo.com+98 21 8805 0435

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026