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Adequan Canine Injectable

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Description

Adequan® Canine (polysulfated glycosaminoglycan) is the only FDA-approved disease-modifying osteoarthritis drug (DMOAD) that inhibits cartilage loss in the dog's joints, and may help to:1

Key Benefits

  • Restore joint lubrication
  • Relieve inflammation
  • Renew the building blocks of healthy cartilage

That's what makes Adequan® Canine different from a supplement or NSAID. It proactively treats the disease and not just the signs of canine osteoarthritis.1

The specific mechanism of action of Adequan® in canine joints is not known.1

How It Works

Binds to components of the cartilage matrix to help prevent further degradation of the joints.

  • Reduces inflammation and decreases pain.
  • Inhibits release of degradative enzymes and inflammatory mediators to help restore balance.
  • Stimulates the activity of existing cartilage components and improves synovial fluid to help renew joint mobility.

Indications

Adequan® Canine is recommended for intramuscular injection for the control of signs associated with non-infectious degenerative and/or traumatic arthritis of canine synovial joints.

Ingredients

Active Ingredients Amount
Polysulfated Glycosaminoglycan 100 mg
Benzyl alcohol (a preservative) 0.9% v/v
Water

Other Ingredients:

Sodium hydroxide and/or hydrochloric acid added when necessary to adjust pH. Sodium Chloride may be added to adjust tonicity.

Directions

View Adequan Drug Facts Sheet.

Practice aseptic techniques in withdrawing each dose todecrease the possibility of post-injection bacterial infections. Adequately clean anddisinfect the stopper prior to entry with a sterile needle and syringe. Use only sterileneedles, and use each needle only once.

The vial stopper may be punctured a maximum of 10 times.

The recommended dose of Adequan® Canine is 2 mg/lb body weight (.02 mL/lb, or 1 mL per50 lb), by intramuscular injection only, twice weekly for up to 4 weeks (maximum of 8 injections). Do not exceed the recommended dose or therapeutic regimen. Do not mix Adequan® Canine withother drugs or solvents.

How Adequan® Canine (polysulfated glycosaminoglycan) can help extend a dog's mobility over a lifetime.

The FDA-approved formula that's never been duplicated.

  • Helps control signs associated with non-infectious degenerative and/or traumatic arthritis of canine synovial joints.1
  • Enters the joints quickly, within 2 hours, to help control signs of arthritis.1
  • Therapeutic concentrations in synovial fluid and articular cartilage last up to 3 days.1

What does Adequan® Canine have to offer?

Important Safety Information

Adequan® Canine should not be used in dogs who are hypersensitive to PSGAG or who have a known or suspected bleeding disorder. It should be used with caution in dogs with renal or hepatic impairment. Adverse reactions in clinical studies (transient pain at injection site, transient diarrhea, and abnormal bleeding) were mild and self-limiting. In post approval experience, death has been reported in some cases; vomiting, anorexia, depression/lethargy and diarrhea have also been reported. The safe use of PSGAG in breeding, pregnant or lactating dogs has not been evaluated.

Tips to keep dog's joints healthy at every stage of life.

  • Keep dog at a healthy weight
  • Encourage regular movement and exercise
  • Provide balanced nutrition, particularly during growth phase
  • Understand the early signs of a potential joint problem
  • Pet parents and veterinarians work collaboratively to identify a problem early and establish a treatment plan
  • Comply with veterinarian recommendations

Why treat just the signs of canine osteoarthritis when you can proactively treat the disease?

Special diets, supplements and anti-inflammatory drugs can play a part in managing joint disease but none of them specifically address the underlying cartilage deterioration. Once cartilage wears away completely, it can't be restored so it's vital to help maintain its use.1 That's what makes Adequan® Canine (polysulfated glycosaminoglycan) different. It empowers you to proactively treat the disease and not just the signs of canine osteoarthritis.2

Caution:

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Storage

Store at 20° to 25°C (68° to 77°F) excursions permitted to 15° to 30°C (59° to 86°F) (See USP Controlled Room Temperature). Avoid prolonged exposure totemperatures ≥40°C (104°F).

Use within 28 days of first puncture and puncture a maximum of 10 times. Dispose of spentneedles in accordance with all federal, state and local environmental laws.

Contraindications

Do not use in dogs showing hypersensitivity to PSGAG. PSGAG is asynthetic heparinoid; do not use in dogs with known or suspected bleeding disorders.

Precautions:

The safe use of Adequan® Canine used in breeding, pregnant, or lactating dogshas not been evaluated. Use with caution in dogs with renal or hepatic impairment.

Adverse Reactions:

In the clinical efficacy trial, 24 dogs were treated with Adequan®Caninetwice weekly for 4 weeks. Possible adverse reactions were reported after 2.1% of the injections.These included transient pain at the injection site (1 incident), transient diarrhea (1 incident eachin 2 dogs), and abnormal bleeding (1 incident). These effects were mild and self-limiting and didnot require interruption of therapy.

Post Approval Experience (2014)

The following adverse events are based on voluntary, post-approval reporting. Not all adversereactions are reported to FDA/CVM. It is not always possible to reliably estimate the adverseevent frequency or establish a causal relationship to product exposure using these data. Thesigns reported are listed in decreasing order of reporting frequency.

  • Vomiting
  • Anorexia
  • Depression/lethargy
  • Diarrhea.

In some cases, death has been reported

To report suspected adverse drug events, contact Luitpold Pharmaceuticals, Inc. at 1-800- 458-0163. For additional information about adverse drug experience reporting for animaldrugs, contact FDA at 1-888-FDA-VETS or http://www.fda.gov/AnimalVeterinary/SafetyHealth.

Warnings:

Not for use in humans. Keep this and all medications out of reach of children.

Efficacy:

Efficacy of Adequan® Canine was demonstrated in two studies. A laboratory study usingradiolabeled PSGAG established distribution of PSGAG into canine serum and synovial fluidfollowing a single intramuscular injection of 2 mg/lb. A clinical field trial was conducted in dogsdiagnosed with radiographically-confirmed traumatic and/or degenerative joint disease of 1 or 2 joints. Joints evaluated included hips, stifles, shoulders, hocks and elbows. Fifty-one dogs wererandomly assigned to receive either Adequan® Canine at 2 mg/lb of body weight or 0.9% saline.

Both treatments were administered by intramuscular injection twice weekly for 4 weeks (8 injections total). Investigators administering treatment and evaluating the dogs were unaware ofthe treatment assignment. A total of 71 limbs in 51 dogs were evaluated. Of these, 35 limbs in 24 dogs were in the Adequan® Canine treated group. Each lame limb was scored for lameness ata walk, lameness at a trot, pain, range of motion, and functional disability. The scores for theindividual parameters were combined to determine a total orthopedic score. At the end of thetreatment period, dogs treated with Adequan®Canine showed a statistically significantimprovement in range of motion and total orthopedic score over placebo treated control dogs.

Toxicity:

In a subacute toxicity study, 32 adult beagle dogs (4 males and 4 females per treatmentgroup) received either 0.9% saline solution or PSGAG at a dose of 5 mg, 15 mg, or 50 mg per kgof body weight (approximately 2.3, 6.8, or 22.7 mg/lb), via intramuscular injection twice weekly for13 weeks. PSGAG doses represent approximately 1X, 3X, and 10X the recommended dosage of2 mg/lb, and more than 3 times the recommended 4-week duration of treatment. Necropsies wereperformed 24 hours after the final treatment. During week 12, one dog in the 50 mg/kg dosagegroup developed a large hematoma at the injection site which necessitated euthanasia. No othermortalities occurred during the treatment period. Statistically significant changes in the 50 mg/kggroup included increased prothrombin time, reduced platelet count, an increase in ALT andcholesterol, and increased liver and kidney weights. Increased cholesterol and kidney weightswere also noted in the 15 mg/kg group. Microscopic lesions were noted in the liver (Kupffer cellscontaining eosinophilic foamy cytoplasm), kidneys (swollen, foamy cells in the proximalconvoluted tubules), and lymph nodes (macrophages with eosinophilic foamy cytoplasm) in the15 mg/kg and 50 mg/kg groups. Intramuscular inflammation, hemorrhage, and degeneration wereseen in all 3 PSGAG treated groups; the incidence and severity appeared dose related.

Pharmacology:

The specific mechanism of action of Adequan®in canine joints is not known.PSGAG is characterized as a “disease modifying osteoarthritis drug”. Experiments conducted invitrohave shown PSGAG to inhibit certain catabolic enzymes which have increased activity ininflamed joints, and to enhance the activity of some anabolic enzymes. For example, PSGAG hasbeen shown to significantly inhibit serine proteinases. Serine proteinases have beendemonstrated to play a role in the Interleukin-l mediated degradation of cartilage proteoglycansand collagen. PSGAG is reported to be an inhibitor of Prostaglandin E2 (PGE2) synthesis. PGE2has been shown to increase the loss of proteoglycan from cartilage. PSGAG has been reported toinhibit some catabolic enzymes such as elastase, stromelysin, metalloproteases, cathepsin B1,and hyaluronidases, which degrade collagen, proteoglycans, and hyaluronic acid in degenerativejoint disease. Anabolic effects studied include ability to stimulate the synthesis of protein, collagen,proteoglycans, and hyaluronic acid in various cells and tissues invitro. Cultured human and rabbitchondrocytes have shown increased synthesis of proteoglycan and hyaluronic acid in thepresence of PSGAG. PSGAGs have shown a specific potentiating effect on hyaluronic acidsynthesis by synovial membrane cells in vitro.

Absorption, distribution, metabolism, and excretion of PSGAG following intramuscular injectionhave been studied in several species, including rats, rabbits, humans, horses and dogs.

Studies in rabbits showed maximum blood concentrations of PSGAG following IM injection werereached between 20 to 40 minutes following injection, and that the drug was distributed to alltissues studied, including articular cartilage, synovial fluid, adrenals, thyroid, peritoneal fluid,lungs, eyes, spinal cord, kidneys, brain, liver, spleen, bone marrow, skin, and heart.

Following intramuscular injection of PSGAG in humans, the drug was found to be bound to serumproteins. PSGAG binds to both albumin and chi and beta-globulins and the extent of the bindingis suggested to be 30 to 40%. Therefore, the drug may be present in both bound and free form inthe bloodstream. Because of its relatively low molecular weight, the synovial membrane is not asignificant barrier to distribution of PSGAG from the bloodstream to the synovial fluid. Distributionfrom the synovial fluid to the cartilage takes place by diffusion. In the articular cartilage the drug isdeposited into the cartilage matrix.

Serum and synovial fluid distribution curves of PSGAG have been studied in dogs and appearsimilar to those found in humans and rabbits.

In rabbits, metabolism of PSGAG is reported to take place in the liver, spleen, and bone marrow.Metabolism may also occur in the kidneys. PSGAG administered intramuscularly and not proteinbound or bound to other tissues is excreted primarily via the kidneys, with a small proportionexcreted in the feces.

FAQ

Adequan Canine is the only FDA-approved disease-modifying osteoarthritis drug (DMOAD) for dogs. It is recommended for intramuscular injection for the control of signs associated with non infectious degenerative and/or traumatic arthritis of canine synovial joints, also known as canine osteoarthritis (OA).
No age or breed restrictions.
The use of Adequan Canine in pregnant, breeding or lactating animals has not been evaluated.
It begins to reach a dog's joint synovial fluid within 2 hours and detectable levels are maintained in the synovial fluid and articular cartilage for up to 3 days (72 hours).1 Consult your veterinarian if you have any additional questions.
While NSAIDs are FDA approved drugs for use in dogs, non of the current non-steroidal anti-inflammatroy drugs available today are approved as disease-modifying osteoarthritis drugs. They are only approved to help manage the pain associated with osteoarthritis inflammation, Adequan Canine (polysulfated glycosaminoglycan) is disease-modifying osteoarthritis drug (DMAOAD) that modifies the course of the disease process.
Adequan Canine used early, at the first clinical signs of osteoarthritis, sometimes referred to as degenerative joint disease (DJD), slows progression of the disease before cartilage is irreversibly damage. Adequan Canine (polysulfated glycosaminoglycan) is the only FDA-approved disease-modifying osteoarthritis drug (DMOAD) that inhibits cartilage loss in a dog's synovial joint, and may help to:2 Restore joint lubrication, relieve inflammation, and renew the building blocks of health cartilage.
There are many supplements and over the counter products making similar claims to Adequan Canine. These products and their manufacturing have not been evaluated by the FDA. Adequan Canine (polysulfated glycosaminoglycan) is the only FDA approved disease modifying osteoarthritis drug for use in dogs and is recommended for intramuscular injection for the control of signs associated with non-infectious degenerative and/or traumatic arthritis of canine synovial joints.
Consult your veterinarian on whether Adequan Canine may be appropriate for your dog's osteoarthritis. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Consult your veterinarian on treatment protocol and whether Adequan Canine may be an appropriate treatment for your dog.
Guidelines for usage are the following with whichever comes first: The expiration date printed on the bottle or within 28 days of the first puncture with a maximum of 10 punctures.
This is the guideline from the Center for Veterinary Medicine (CVM) division of the FDA (CVM GFI #242 In-Use Stability Studies and Associated Labeling Statements for Multiple Dose Injectable Animal Drug Products, January 2017). This guideline applies to all veterinary injectable drugs packaged in multiple dose vials.
American Regent, Inc. (the manufacturer of Adequan Canine) does not recommend the use of expired products.
Guidelines for usage are the following with whichever comes first: The expiration date printed on the bottle or within 28 days of first puncture with a maximum of 10 punctures. If the vial was opened/punctured more than 28 days ago, it is now expired, and usage is not recommended.
American Regent, Inc. (the manufacturer of Adequan Canine) does not recommend the use of expired product.
While certain breeds are predisposed, canine osteoarthritis is common in all kinds of dogs, affecting younger dogs as well as older ones. Talk to your veterinarian. If you notice your dog slowing down or having trouble moving, ask your veterinarian if Adequan Canine (polysulfated glycosaminoglycan) can help your dog.
Contact your veterinarian to discuss and confirm their guidance and direction.
Contact your veterinarian to confirm and assist you.
Please contact and consult with our veterinarian for continuing the use of Adequan Canine in your dog.
No, Adequan Canine (polysulfated glycosaminoglycan) needs to be stored at 68° to 77° F (20° to 25° C) with excursions permitted to 59° to 86° F (15° to 30° C). Avoid prolonged exposure to temperatures greater or equal to 104° F (40° C)

Reviews

Review Summary
5.0
2 Reviews
5
100% (2)
4
0% (0)
3
0% (0)
2
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1
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100% Recommend this product (2 of 2 responses)
By BZoo
Idaho
Definite improvement
October 9, 2020
Used this previously with another dog.
Now using on a different dog and a goat.
This stuff is awesome.
Did have issues getting it approved, as per usual on online pharmacies.
Vet kept approving, but it wasn't getting through.
Order EARLY, it will take a while to get if you don't have refills.
ProsEasy to administer, intermuscular or sq. 100 lb goat has more issues with injection than 50 lb dog!
ConsPricey, but worth it.
By Charity H.
23113
excellent
November 7, 2018
Worked after first injection , gave my dog her love of swimming back .

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