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omega-3 fatty acids versus gabapentin in uremic pruritus in hemodialysis patients.
Full description
Patients who were enrolled in the study used no antipruritic therapy for at least 2 weeks before the study. The patients were randomly assigned to Group A, or Group B. Patients in Group A (25participants) were allocated to treatment with omega-3 daily (2capsules of 1gm omega-3 a day) (Shayanpour et al.,2019). Patients in Group B (25 participants) received gabapentin (one capsule of gaptin 100mg thrice weekly post HD session) (KDIGO Clinical practice guidelines,2019) Patients in the 2 groups received treatment for four weeks then after washout period(6 weeks), the treatment was changed between the 2 groups. pruritus severity was assessed by 5D-Itch score before the study and at the end of each treatment period. Throughout the study, the level of PGE2 and the pruritus severity was measured at the baseline before treatment, after 4 weeks and after 14 weeks (post treatment) by 5-D itch scale.
5-D itch scale was made to be used for outcome measurement in clinical trials. It depends on five main domains for measurement of pruritus severity which are (duration, degree, direction, disability and distribution) (Elman et al.,2010). The score of each domain is made separately then the scores of all domains summed together to obtain the total 5-D score pruritus). Patients with score 5 or less considered having no itching and patients with scores from 6 to 25 considered itch patients.
The total 5-D score can be classified into:
So the study group will fulfill the following criteria :
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Inclusion and exclusion criteria
Inclusion Criteria: prevalent hemodialysis patients >18 years undergoing dialysis who are co operative and not receiving topical or systemic treatment for uremic pruritus for at least 2 week patients who meet the international diagnostic criteria for uremic pruritus
Exclusion Criteria:
Patients with primary dermatological disease causing itching as atopic dermatitis, psoriasis, scabies, drug reaction Patients with any systemic disease that can cause pruritus as hepatic cholestasis , active infections (hepatitis B, and hepatitis c PCR positive, HIV) Patients under steroid treatment. current treatment of uremic pruritus. Concomitant malignancy (Hodgkins lymphoma, leukemia, multiple myeloma) Kidney transplantation (immunosuppressive medications Contraindications to omega 3 as patients using anticoagulants, or patients who have bleeding tendency, chronic diarrhea, history of malabsorption or allergic reaction to omega 3 Contraindications to gabapentin as in patients who have depression , suicidal thoughts, myasthenia Gravis, skeletal muscles disorder, patients who have history of allergic reactions to gabapentin
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Interventional model
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50 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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