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Tramadol 37.5-mg/acetaminophen 325-mg combination tablets added to regular therapy for rheumatoid arthritis pain: a 1-week, randomized, double-blind, placebo-controlled trial.
Clin Ther. 2006 Dec; 28(12):2052-60.CT

Abstract

OBJECTIVE

This study evaluated the efficacy and tolerability of tramadol 37.5-mg/acetaminophen 325-mg combination tablets (tramadoUAPAP) as add-on therapy in subjects with rheumatoid arthritis (RA) pain that was inadequately controlled by NSAIDs and disease-modifying antirheumatic drugs alone.

METHODS

Subjects in this multicenter, double-blind trial were randomized in a 3:1 ratio to receive 1 tramadol/ APAP tablet TID or a matching placebo for 1 week. Stable doses of previous medications were continued during the study. The primary efficacy variable was the mean daily pain relief score over 1 week, measured on a 6-point scale (4 = complete; ' = a lot; 2 = some; 1 = a little; 0 = none; -1 = worse). Secondary outcomes included the mean daily pain intensity score, measured on a 100-mm visual analog scale (VAS) (from 0 mm = no pain to 100 mm = extreme pain); pain intensity and pain relief at day 7; subjects' and investigators' mean overall assessments of study drug, measured on a Likert scale (from 2 = very good to -2 = very poor); and subjects' assessments of 8 aspects of physical function (measured on the Health Assessment Questionnaire).

RESULTS

Of 277 subjects randomized to treatment, 267 (201 tramadol/APAP, 66 placebo) were included in the intent-to-treat population. Mean (SD) daily pain relief scores at the end of 1 week were significantly greater in the tramadol/APAP group compared with the placebo group (1.04 [0.89] vs 0.78 [0.80], respectively; P = 0.037), and mean daily pain intensity scores at the end of 1 week were significantly lower (47.23 [19.96] vs 53.81 [16.59]; P = 0.018). Physical function at the end of 1 week did not differ significantly between tramadol/APAP and placebo. Two hundred seventy-two subjects (205 tramadol/APAP, 67 placebo) were evaluable for tolerability. One hundred thirty-three of these subjects had at least 1 adverse event. The incidence of adverse events was significantly higher in the tramadol/APAP group than in the placebo group (57.6% vs 22.4%; P < 0.001). Discontinuations due to adverse events occurred in 19.0% of the tramadol/APAP group and 3.0% of the placebo group (P = 0.001). Of 213 treatment-related adverse events in tramadol/APAP subjects, nausea (34.1%) was the most frequent, followed by dizziness (20.0%) and vomiting (15.6%). One serious adverse event--chest discomfort, nausea, and vomiting after taking study medication-occurred in a subject receiving tramadol/APAP The symptoms resolved 1 day after discontinuing tramadol/APAP.

CONCLUSIONS

In this study, tramadol/APAP used as add-on therapy in subjects with symptomatic RA was associated with a significant improvement in pain relief and a significant reduction in pain intensity compared with placebo, with no improvement in physical function. Use of tramadol/APAP may be considered when analgesics are needed in addition to conventional NSAIDs and disease-modifying antirheumatic drugs in subjects with RA.

Authors+Show Affiliations

Division of Rheumatology, Department of Internal Medicine, Seoul National University College of Medicine, Chongno-Gu, Seoul, Republic of Korea.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Multicenter Study
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17296461

Citation

Lee, Eun Young, et al. "Tramadol 37.5-mg/acetaminophen 325-mg Combination Tablets Added to Regular Therapy for Rheumatoid Arthritis Pain: a 1-week, Randomized, Double-blind, Placebo-controlled Trial." Clinical Therapeutics, vol. 28, no. 12, 2006, pp. 2052-60.
Lee EY, Lee EB, Park BJ, et al. Tramadol 37.5-mg/acetaminophen 325-mg combination tablets added to regular therapy for rheumatoid arthritis pain: a 1-week, randomized, double-blind, placebo-controlled trial. Clin Ther. 2006;28(12):2052-60.
Lee, E. Y., Lee, E. B., Park, B. J., Lee, C. K., Yoo, B., Lim, M. K., Shim, S. C., Sheen, D. H., Seo, Y. I., Kim, H. A., Baek, H. J., & Song, Y. W. (2006). Tramadol 37.5-mg/acetaminophen 325-mg combination tablets added to regular therapy for rheumatoid arthritis pain: a 1-week, randomized, double-blind, placebo-controlled trial. Clinical Therapeutics, 28(12), 2052-60.
Lee EY, et al. Tramadol 37.5-mg/acetaminophen 325-mg Combination Tablets Added to Regular Therapy for Rheumatoid Arthritis Pain: a 1-week, Randomized, Double-blind, Placebo-controlled Trial. Clin Ther. 2006;28(12):2052-60. PubMed PMID: 17296461.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Tramadol 37.5-mg/acetaminophen 325-mg combination tablets added to regular therapy for rheumatoid arthritis pain: a 1-week, randomized, double-blind, placebo-controlled trial. AU - Lee,Eun Young, AU - Lee,Eun Bong, AU - Park,Byung Joo, AU - Lee,Chang Keun, AU - Yoo,Bin, AU - Lim,Mi Kyoung, AU - Shim,Seung-Cheol, AU - Sheen,Dong-Hyuk, AU - Seo,Young Il, AU - Kim,Hyun Ah, AU - Baek,Han Joo, AU - Song,Yeong Wook, PY - 2006/10/18/accepted PY - 2007/2/14/pubmed PY - 2007/3/14/medline PY - 2007/2/14/entrez SP - 2052 EP - 60 JF - Clinical therapeutics JO - Clin Ther VL - 28 IS - 12 N2 - OBJECTIVE: This study evaluated the efficacy and tolerability of tramadol 37.5-mg/acetaminophen 325-mg combination tablets (tramadoUAPAP) as add-on therapy in subjects with rheumatoid arthritis (RA) pain that was inadequately controlled by NSAIDs and disease-modifying antirheumatic drugs alone. METHODS: Subjects in this multicenter, double-blind trial were randomized in a 3:1 ratio to receive 1 tramadol/ APAP tablet TID or a matching placebo for 1 week. Stable doses of previous medications were continued during the study. The primary efficacy variable was the mean daily pain relief score over 1 week, measured on a 6-point scale (4 = complete; ' = a lot; 2 = some; 1 = a little; 0 = none; -1 = worse). Secondary outcomes included the mean daily pain intensity score, measured on a 100-mm visual analog scale (VAS) (from 0 mm = no pain to 100 mm = extreme pain); pain intensity and pain relief at day 7; subjects' and investigators' mean overall assessments of study drug, measured on a Likert scale (from 2 = very good to -2 = very poor); and subjects' assessments of 8 aspects of physical function (measured on the Health Assessment Questionnaire). RESULTS: Of 277 subjects randomized to treatment, 267 (201 tramadol/APAP, 66 placebo) were included in the intent-to-treat population. Mean (SD) daily pain relief scores at the end of 1 week were significantly greater in the tramadol/APAP group compared with the placebo group (1.04 [0.89] vs 0.78 [0.80], respectively; P = 0.037), and mean daily pain intensity scores at the end of 1 week were significantly lower (47.23 [19.96] vs 53.81 [16.59]; P = 0.018). Physical function at the end of 1 week did not differ significantly between tramadol/APAP and placebo. Two hundred seventy-two subjects (205 tramadol/APAP, 67 placebo) were evaluable for tolerability. One hundred thirty-three of these subjects had at least 1 adverse event. The incidence of adverse events was significantly higher in the tramadol/APAP group than in the placebo group (57.6% vs 22.4%; P < 0.001). Discontinuations due to adverse events occurred in 19.0% of the tramadol/APAP group and 3.0% of the placebo group (P = 0.001). Of 213 treatment-related adverse events in tramadol/APAP subjects, nausea (34.1%) was the most frequent, followed by dizziness (20.0%) and vomiting (15.6%). One serious adverse event--chest discomfort, nausea, and vomiting after taking study medication-occurred in a subject receiving tramadol/APAP The symptoms resolved 1 day after discontinuing tramadol/APAP. CONCLUSIONS: In this study, tramadol/APAP used as add-on therapy in subjects with symptomatic RA was associated with a significant improvement in pain relief and a significant reduction in pain intensity compared with placebo, with no improvement in physical function. Use of tramadol/APAP may be considered when analgesics are needed in addition to conventional NSAIDs and disease-modifying antirheumatic drugs in subjects with RA. SN - 0149-2918 UR - https://www.unboundmedicine.com/medline/citation/17296461/Tramadol_37_5_mg/acetaminophen_325_mg_combination_tablets_added_to_regular_therapy_for_rheumatoid_arthritis_pain:_a_1_week_randomized_double_blind_placebo_controlled_trial_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0149-2918(06)00322-5 DB - PRIME DP - Unbound Medicine ER -