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Compound febantel tablets is a broad-spectrum, highly effective compound anthelmintic formulation. Its core ingredient, febantel(Non Bantyre), is a benzimidazole prodrug that metabolizes in vivo into the biologically active compounds fenbendazole (fenbendazole sulfoxide) and ofendazole. irreversibly inhibiting β-tubulin polymerization within parasite cells. This disrupts their energy metabolism and cellular structure, ultimately causing parasite death. This combination formulation is typically co-formulated with praziquantel, an anthelmintic with a distinct mechanism of action.
Praziquantel induces increased calcium ion permeability in parasite cell membranes, causing tonic-clonic contractions in parasite muscles and epidermal damage, thereby rendering them vulnerable to host immune system attacks. This dual-mechanism design achieves multi-target elimination of internal parasites, demonstrating exceptional combined efficacy against gastrointestinal nematodes (e.g., roundworms, hookworms, whipworms) common in dogs and cats, tapeworms, and certain flukes. This approach not only broadens the spectrum of parasitic control and enhances efficacy but also helps delay the development of parasite resistance. As such, it stands as a crucial veterinary medication for the prevention and treatment of mixed parasitic infections.
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Febantel COA
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| Certificate of Analysis | ||
| Compound name | Febantel | |
| Grade | Pharmaceutical grade | |
| CAS No. | 58306-30-2 | |
| Quantity | Customized | |
| Packaging standard | Customized | |
| Manufacturer | Shaanxi BLOOM TECH Co., Ltd | |
| Lot No. | 202601090026 | |
| MFG | Jan 9th 2026 | |
| EXP | Jan 8th 2029 | |
| Structure |
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| Item | Enterprise standard | Analysis result |
| Appearance | White or almost white powder | Conformed |
| Water content | ≤5.0% | 0.0054 |
| Loss on drying | ≤1.0% | 0.0042 |
| Heavy Metals | Pb≤0.5ppm | N.D. |
| As≤0.5ppm | N.D. | |
| Hg≤0.5ppm | N.D. | |
| Cd≤0.5ppm | N.D. | |
| Purity (HPLC) | ≥99.0% | 99.98% |
| Single impurity | <0.8% | 0.52% |
| Total microbial count | ≤750cfu/g | 95 |
| E. Coli | ≤2MPN/g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (by GC) | ≤5000ppm | 500ppm |
| Storage | Store in a sealed, dark, and dry place below 2-8°C | |
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| Chemical Formula | C20H22N4O6S |
| Exact Mass | 446.13 |
| Molecular Weight | 446.48 |
| m/z | 446.13 (100.0%), 447.13 (21.6%), 448.12 (4.5%), 448.13 (2.2%), 447.12 (1.5%), 448.13 (1.2%) |
| Elemental Analysis | C, 53.80; H, 4.97; N, 12.55; O, 21.50; S, 7.18 |
Drug Overview: Scientific Design of Compound Formulations
Compound febantel tablets (a broad-spectrum deworming drug commonly used in veterinary clinical practice) is designed based on the core concept of achieving dual coverage of canine roundworms and tapeworms through the synergistic action of three active ingredients. This compound formulation not only expands the deworming spectrum but also significantly enhances treatment efficiency and reduces the risk of drug resistance by targeting multiple aspects of the parasites' survival systems.
The Synergistic Mechanism of the Compound Components
The product consist of Non Bantyre, Praziquantel, and Pyrantel Pamoate. The three components exert their effects through different mechanisms together:
Non-bantel metabolic activation
Non-bantel belongs to the pre-benzimidazole class of drugs. After oral administration, it is rapidly absorbed by the gastrointestinal tract and is transformed into fenbendazole and oxfendazole by the action of the liver and intestinal microorganisms. These two metabolites inhibit the polymerization of parasite microtubules, block glucose uptake and energy metabolism, ultimately leading to the death of the parasites. For example, fenbendazole has a killing rate of over 98% against adult whipworms, and it also has a significant inhibitory effect on egg stages.
Surface destruction of praziquantel
Praziquantel is a pyrazine isoquinoline derivative. It is almost completely absorbed after oral administration, and its blood concentration peaks within 2.5 hours. It activates the calcium ion channels on the parasite's surface, causing muscle tetanic contractions and rapid expulsion of focal vacuoles, resulting in the rupture and paralysis of the parasite's surface.
Neuroparalysis of thiacetidine
Thiacetidine acts directly in the intestine and induces spasmodic paralysis in nematodes by mimicking the binding of acetylcholine to the nematode's choline receptor, causing them to expel feces. Due to its extremely low absorption in the intestine and very low blood concentration, it has almost no effect on the host (dog) nervous system, and is highly safe.
Advantages of the Compound Formula
Expanded spectrum of deworming
Single-component deworming drugs are often effective only against specific parasites, while the compound non-bantel tablet, through the combination of three components, covers common nematodes (such as roundworms, hookworms, and whipworms) and tapeworms (such as Echinococcus tapeworms and Dipylidium tapeworms) in dogs. For example, non-bantel has a killing rate of over 90% against nematodes, praziquantel has a clearance rate of over 95% against tapeworms, and thiacetidine has significant effects on hookworms and roundworms.
Reduced risk of drug resistance
Parasites are prone to developing resistance to single-component deworming drugs. The compound formula attacks multiple targets, reducing the possibility of parasites evading drug action through genetic mutations. For example, the metabolic products of non-bantel, fenbendazole and oxfendazole, have different mechanisms of action from thiacetidine, and can simultaneously block the energy metabolism and nerve conduction of parasites, thereby reducing the incidence of drug resistance.
Improved treatment efficiency
The compound formula can achieve "one-time administration, multiple protections", avoiding the complexity of multiple administrations or combination therapy required by single-component drugs. For example, in the treatment of canine reoccurant tapeworm infection, the compound non-bantel tablet can eliminate adult and larval forms in a single administration, while single-component fenbendazole may require repeated administration to achieve the same effect.
Clinical Application and Safety
The compound febantel tablets have been verified through multiple clinical studies for its efficacy and safety. In terms of safety, the incidence of side effects for Compound Fenbendazole Tablets is relatively low. Common reactions include mild vomiting, diarrhea or decreased appetite, which usually resolve on their own within 24 hours after administration. However, it is important to avoid using in combination with piperazine or cholinergic drugs to prevent drug interactions that may lead to reduced efficacy or increased toxicity.
Core Medication Principles: Precise Dosage and Single Administration
Compound Fentanyl Tablets adhere to the core principle of weight-based dosing, with a standard dose of 1 tablet per 10kg of body weight (each tablet contains 150mg fentanyl, 50mg phenytoin, and 144mg dihydroxy-naphthoquinone thiazide).
For example, a 20kg dog requires 2 tablets, while a 5kg puppy needs only half a tablet.
This formulation ensures synergistic coverage across the parasite life cycle: Fentazol metabolites (fenbendazole, ofendazole) disrupt nematode energy metabolism; praziquantel rapidly kills tapeworms by disrupting calcium channels in their cuticle; and thiabendazole directly paralyzes nematode neuromuscular systems.
This triple combination achieves single-dose clearance of both adult and immature parasites, eliminating the need for repeated treatments.
Administration Methods: Flexible Handling and Safety Monitoring
Oral Administration Techniques
Direct Feeding: Place the tablet at the base of the dog's tongue, gently close the mouth, and stroke the throat to induce swallowing. Suitable for cooperative dogs.
Food-Masked Administration: Mix the tablet with a small amount of wet food or cheese to mask the taste. Avoid administering with high-fat foods to prevent reduced absorption efficiency of fenbendazole.
Forced Administration: For refractory dogs, use a pet pill feeder to push the tablet deep into the esophagus. Monitor for vomiting post-administration.
Post-Administration Monitoring
Observe for vomiting or regurgitation within 30 minutes. If the tablet is expelled, administer a replacement dose.
Record defecation patterns. Typical signs include expulsion of dead worms or egg fragments within 24-48 hours post-administration.
Treatment Schedule: Optimized Design Based on Parasite Life Cycles
Routine Treatment
Single Dose: Suitable for nematode infections (e.g., roundworms, hookworms, whipworms) and adult tapeworm infections. The active ingredient simultaneously eliminates parasites at all developmental stages within the intestine.
Repeat Dosage: For tapeworm cysticerci or hookworm latent infections, repeat dosing is recommended 3-4 weeks after the initial treatment. For example, the shedding cycle of Echinococcus multilocularis proglottids is 21-28 days; repeat dosing covers newly infected larvae.
Special Use Scenarios
Pregnant Dogs:May be administered during mid-to-late pregnancy (after 4 weeks) under veterinary supervision, but dosage must be strictly adjusted by weight to avoid overdose and miscarriage risk.
Puppies: Suitable for puppies ≥3 weeks old and weighing ≥0.9kg, but requires divided dosing (e.g., crushing tablets and mixing proportionally with food).
Clinical Application Cases: Translating Theory into Practice
Mixed Infection Treatment
A 30kg German Shepherd co-infected with Toxocara canis and Dipylidium caninum received 3 tablets based on body weight. Dead adult roundworms and tapeworm segments were detected in feces on Day 3. Follow-up fecal examination on Day 7 was negative, with no adverse reactions throughout treatment.
Drug Resistance Management
A kennel experiencing rising hookworm resistance due to prolonged use of single-ingredient dewormers switched to compound febantel t
ablets. Hookworm clearance rates increased from 68% to 95%, with no recurrence within six months.
Pharmacokinetics
Compound febantel tablets are rapidly absorbed after oral administration with high bioavailability. Its absorption rate is slightly affected by the gastrointestinal environment, and food intake can moderately increase the absorption amount. After oral administration of febantel, the main active ingredient of this product, the peak plasma concentration time in dogs is approximately 1.63 hours, with an elimination half-life of about 2.97 hours, showing the characteristics of rapid absorption and moderate elimination rate.
Upon absorption, the drug is widely distributed in systemic tissues, with particularly high concentrations in the gastrointestinal tract, liver and kidneys, and can penetrate the intestinal mucosa to exert anthelmintic effects.
The product is mainly metabolized in the liver in vivo. Non Bantyre can be further metabolized into active metabolites such as oxfendazole to enhance anthelmintic efficacy, and the metabolic process involves multiple hepatic drug-metabolizing enzymes.
Metabolites are primarily excreted via the kidneys in urine, with a small amount discharged into the intestinal tract through bile and eliminated in feces, showing no obvious in vivo accumulation. The excretion rate is slightly reduced in patients with renal insufficiency, requiring appropriate dosage adjustment; patients with abnormal liver function have decreased metabolic capacity, which may lead to elevated plasma drug concentration and thus require cautious administration. The overall pharmacokinetic profile matches the clinical application requirements of its broad-spectrum anthelmintic property.
Non Bantyre, the core ingredient of the product, is synthesized from inexpensive and readily available m-dichlorobenzene as the starting material via multi-step reactions, which is suitable for industrial production.
The first step is nitration: m-dichlorobenzene reacts with nitrating reagents under controlled conditions to form nitro-substituted intermediates.
The second step is condensation: the intermediate reacts with thiophenol reagents in a suitable solvent under potassium carbonate catalysis to produce thioether derivatives.
The third step is amination, which introduces amino groups to obtain the key intermediate 4-phenylthio-o-phenylenediamine.
The fourth step is cyclization: mixing 4-phenylthio-o-phenylenediamine with methyl N-(trichloromethyl)carbamate to form crude Non Bantyre via ring closure under mild conditions. Optimizing reaction parameters in this step can reduce by-products and improve yield.
Finally, refined Non Bantyre with purity over 98% is obtained through purification procedures including recrystallization, filtration and drying.
The refined Non Bantyre is proportionally blended with auxiliary materials such as praziquantel and ivermectin, and processed into the product via tableting and coating processes. The entire synthesis process focuses on cleanliness and high efficiency, lowering the cost of three-waste treatment.
FAQ
What is the drug febantel used for?
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Non Bantyre is a broad-spectrum veterinary anthelmintic (dewormer) used to treat intestinal parasite infections in dogs, horses, sheep, and pigs. It works by breaking down into compounds that disrupt the energy metabolism of worms. It is commonly combined with [praziquantel] and [pyrantel] to treat roundworms, hookworms, whipworms, and tapeworms.
Are febantel and fenbendazole the same thing?
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Non Bantyre and fenbendazole are closely related benzimidazole anthelmintics used to treat intestinal parasites (roundworms, hookworms, whipworms) in animals, with febantel acting as a prodrug that is metabolized into fenbendazole and oxfendazole in the body. Both are highly effective, but fenbendazole is often used directly for Giardia in dogs, while febantel is commonly combined with other agents (e.g., Drontal Plus) for broader spectrum control.
Why is febantel not used in cats?
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Non Bantyre is not as well tolerated in cats and the amount of pyrantel in the product is not enough to effectively treat cats for intestinal parasites.
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