Margin of Safety : KETOFEN® was injected with a 1X (3 mg/kg BW), 3X (9 mg/kg BW), and 5X (15 mg/kg BW) dose daily for 9 consecutive days (3 times the maximum recommended duration). The only treatment-associated finding present at a 1X (3 mg/kg BW) dose for 9 days was minimal to mild gross and microscopic renal tubular lesions. No ketoprofen-related changes were noted in clinical or general health observations, hematology, urinalysis, fecal occult blood, or serum chemistries in cattle administered a 1X (3 mg/kg BW) dose for 9 days. At a 3X dose, subclinical focal ulcers in the abomasum and minimal to mild renal lesions were present. Cattle injected with a 5X dose of ketoprofen for 9 days had similar treatment related findings, except for one of eight calves which had clinical signs of toxicity, due to peritonitis subsequent to abomasal ulceration on the 9th treatment day. Discontinue treatment if fecal blood is observed. Do not use in cattle that are dehydrated or with known renal disease.
Injection site safety : Eight calves were injected with a 1X dose of ketoprofen daily for 3 consecutive days with clinical observations of injection sites with necropsy on days 7, 14, 28, and 42. Injection of 3 consecutive doses of KETOFEN® resulted in transient injection site reactions palpable through 14 days, with resolution by 28 days post-administration. Injection site lesions included discoloration involving the skin and subcutaneous tissue on Day 7. By Day 42 discoloration was limited to subcutaneous tissue. Subcutaneous injection of ketoprofen can cause a transient local tissue reaction. These reactions may result in trim loss of edible tissue at slaughter.
Field safety : There were no adverse events reported in investigational field studies with the injection of KETOFEN® under the intended conditions of use.
1. Paresh B, R.s., RD Varia, JH Patel, UD Patel, SK Bhavsar and AM Thaker, Impact of multiple intravenous administrations of ketoprofen on blood profile in cow calves. Inter J Vet Sci, 2012. 1(1): p. 34-36.
KETOFEN® (ketoprofen) 100 mg/mL is available in 50 mL and 100 mL multidose bottles.
Store below 25°C (77°F), with brief excursions permitted between 0°C — 40°C (32°F — 104°F).
Approved by FDA under NADA # 140-269
Zoetis Manufacturing and Research Spain, S.L.
Kalamazoo, MI 49007
Revised: April 202140029077
|KETOFEN ketoprofen injection, solution|
|Labeler — Zoetis Inc. (828851555)|
Revised: 06/2021 Zoetis Inc.
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