The objective of a randomized, double-blind, placebo-controlled trial and open-label extension study is to figure out the impact of Korean Red Ginseng (KRG) on fatigue in patients with rheumatic diseases.
Primary objective : Improvement of fatigue after using KRG in patients with rheumatic diseases according to Secondary objectives 1. Improvement of dryness after using KRG in patients with rheumatic diseases according to EULAR Sjögren's syndrome disease activity index (ESSDAI) 2. Improvement of quality of life after using KRG in patients with rheumatic diseases according to EuroQol 5 dimensions questionnaire (EQ-5D) The study population will be adult patients with rheumatic diseases, especially primary or secondary Sjögren's syndrome who have experienced dryness for more than 3 months. Participants are ramdomly assigned to KRG and placebo group and they are using KRG or placebo for the first 12 weeks. After 12 weeks, the concealment of allocation is lifted and all patients are provided with KRG for next 12 weeks with open-label extension study
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
TRIPLE
Enrollment
120
Participants are provided with 2 Korean Red Ginseng extract tablets twice a day for total 24 weeks.
Placebo tablets, made of corn starch and cellulose, are manufactured to mimic KRG tablets. Participants are parovided with 2 placebo tablets twice a day for first 12 weeks, following Korean Red Ginseng extract tablets twice a day for another 12 weeks.
Hanyang University
Seoul, South Korea
RECRUITINGThe Functional Assessment of Chronic Illness-Fatigue (FACIT-F, total score ranged 0 to 52, higher scores respresent less fatigue)
Improvement of FACIT-F after using KRG
Time frame: 12 weeks
Visual analogue scale-Fatigue (VAS-F, total score ranged 0 [fatigued not at all] to 100 [extremely fatigued])
Improvement of FACIT-VAS after using KRG
Time frame: 12 weeks
ESSDAI (The EULAR Sjögren's syndrome [SS] disease activity index, total score ranged 0 to 123, higher scroes indicate severe systemic disease activity)
Improvement of ESSDAI after using KRG
Time frame: 12 weeks
EuroQol 5 dimensions questionnaire (EQ-5D, a person's health status is defined by a 5-digit number, ranging from 11111 [having no problems in all dimensions] to 33333 [having extreme problems in all dimensions])
Improvement of EQ-5D after using KRG
Time frame: 12 weeks
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