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Evaluation of the effect of green tea extracts in osteoarthritis

Evaluation of the effect of green tea extracts in patients with mild to moderate knee osteoarthritis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT201307188300N2
Enrollment
40
Registered
2013-11-05
Start date
2012-12-21
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Osteoarthritis. Primary gonarthrosis, bilateral

Interventions

Intervention 1: cases received 1500 mg/day of green tea leaves in 3 doses(Dineh Company with certification number:1228144011) plus 100 mg/day diclofenac. Intervention 2: control group: 100 mg Diclofen
Treatment - Drugs
cases received 1500 mg/day of green tea leaves in 3 doses(Dineh Company with certification number:1228144011) plus 100 mg/day diclofenac
control group: 100 mg Diclofenac

Sponsors

Shiraz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: patients of both sexes with mild to moderate osteoarthritis of the knee, in the age group 40 to 75 years, referred to the Physical Medicine and Rehabilitation, Shiraz, Iran. Exclusion criteria: patients with severe osteoarthritis; patients suffering ischemic heart disease or heart failure; patients with renal function impairment; patients with hepatic failure; pregnant women; breastfeeding women; women who stop contraception techniques to become pregnant; patients who had a history of sensitivity to caffeine; patients whose diets are effective for weight loss or gain, and planned to decrease or increase their weight; patients who have recently begun the exercise to protect joints or changing their activity levels; patients treated with alkaline agents, for any reason, who was not able to discontinue their medications; patients treated with warfarin for any reason, that the patient was unable to stop his warfarin; patients with a history of gastrointestinal bleeding with non-steroidal anti-inflammatory drugs; patients who for any reason were not able to express their pain (eg patients with mental retardation or patients with Alzheimer's); patients who did not receive the necessary support for their drugs or they are not likely to be followed (eg, patients who were residents of older people centers ); patients who do not continure the trial: intolerable side effects for the patient (Gastrointestinal side effects such as increased gastric acid secretion, diarrhea or constipation, headache, palpitations, insomnia, irritability, restlessness);discontinuation of drugs consumption for any reason and not to follow treatment for any reason.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Function. Timepoint: at the beginning and 1 month after intervention. Method of measurement: WOMAC quastionaire.;Pain. Timepoint: at the beginning and 1 month after intervention. Method of measurement: WOMAC quastionaire.;Joint stiffness. Timepoint: at the beginning and 1 month after intervention. Method of measurement: WOMAC quastionaire.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSara Sadrneshin

Shiraz University of Medical Sciences

sarah_sadrneshin@yahoo.com+98 71 1234 1979

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026