Third Molar Extraction Clinical Trial
Official title:
Parallel-Group,Double-Blind,Double-Dummy,Superiority Study of Etoricoxib90mg/ Cyclobenzaprine15mg From Eurofarma Versus Etoricoxib90mg (Arcoxia®) and Cyclobenzaprine15mg (XL - Mitrul®) for Muscle Spasm After Third Molar Extraction in Brazil
Etoricoxib and cyclobenzaprine hydrochloride are active pharmaceutical ingredients (APIs) already registered in the country as mono-drugs. These products are widely used for the proposed indications, and their safety and efficacy profiles are known in daily clinical practice. Once the absence of a pharmacokinetic interaction between etoricoxib and cyclobenzaprine hydrochloride has been confirmed in relative bioavailability studies, this phase 3 study will be conducted for demonstrating the superiority of the new FDC over etoricoxib 90 mg (Arcoxia®) and cyclobenzaprine hydrochloride 15 mg (XL - Mitrul®) in the treatment of moderate to serious pain associated with muscle spasm. The purpose is to provide a new, effective, and safe therapeutic option to address these cases. Etoricoxib and cyclobenzaprine hydrochloride are active pharmaceutical ingredients (APIs) already registered in the country as mono-drugs. These products are widely used for the proposed indications, and their safety and efficacy profiles are known in daily clinical practice. Once the absence of a pharmacokinetic interaction between etoricoxib and cyclobenzaprine hydrochloride has been confirmed in relative bioavailability studies, this phase 3 study will be conducted for demonstrating the superiority of the new FDC over etoricoxib 90 mg (Arcoxia®) and cyclobenzaprine hydrochloride 15 mg (XL - Mitrul®) in the treatment of moderate to serious pain associated with muscle spasm. The purpose is to provide a new, effective, and safe therapeutic option to address these cases.
The investigational drug consists of a fixed-dose combination (FDC) that contains etoricoxib, a non-steroidal anti-inflammatory drug (NSAID) with analgesic action, and cyclobenzaprine hydrochloride, a myorelaxant, in doses of 90 mg and 15 mg, respectively, in the dosage form of a prolonged-release hard capsule. This product is an unprecedented FDC in the country, and is indicated for the short-term treatment of moderate to serious acute pain associated with muscle spasm. Pain management with analgesic drugs, such as NSAIDs and other adjuvant drugs, is common in daily clinical practice. In parallel with its additive effect on pain relief, the FDC of an anti-inflammatory and myorelaxant agent seeks to assist in greater control of associated musculoskeletal symptoms, such as inflammatory processes, limited range of motion, and muscle spasms. Multicenter, Randomized, Parallel-Group, Double-Blind, Double-Dummy, Comparative Superiority clinical trial. Patients aged between 18 and 35 years with indication for surgical removal of an impacted lower third molar and an antagonistic upper third molar will be randomized in a 1:1:1 ratio to receive the FDC of etoricoxib 90 mg + cyclobenzaprine hydrochloride 15 mg from Eurofarma Laboratórios SA (investigational drug), in capsules, or the mono-drugs etoricoxib 90 mg (Arcoxia®), in tablets, or cyclobenzaprine hydrochloride 15 mg (XL - Mitrul®), in capsules, for up to three (03) days. Participants whose surgery lasts a maximum of 80 minutes (counted from the initial incision to the extraction of the third molars) and who present moderate to serious postoperative pain up to a maximum of four (04) hours will be randomized. The first administration of study treatment will be made at the study center when post-surgical pain reaches moderate/serious intensity (≥ 40 mm on visual analogue scale [VAS] 0-100 mm). The participants will be instructed, from then on, to use the study treatment, respecting a minimum interval of twenty-four (24) hours between doses taken for three (03) days. ;
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