Clinical Trials


Complete, Compassionate Care

Our team is dedicated to your pet’s health!

Feline Upper Respiratory Infection Clinical Trial

Raintree Animal Hospital is conducting a clinical trial for cats with upper respiratory infections. Cats must be at least 12 weeks old, weigh at least 1.9 pounds, and currently exhibit signs of an upper respiratory infection. All breeds and sexes accepted. This is a placebo-based trial for a liquid medication given once daily for 7 days. Qualified candidates will receive exams, lab work, and medication at NO CHARGE and will receive a monetary hospital credit for completion of this 13-day trial to use toward any additional service. For more information and to see if your pet qualifies, please call us at 970-482-1987.

Feline Chronic Kidney Disease with Anemia

Does Your Cat Have Chronic Kidney Disease with Anemia?
Find out if you can enroll your cat in a new clinical study for Feline CKD. Enrollment Criteria:

  • Must weigh greater than 4.4 lbs
  • Must be 1+ years old at start of study
  • Must be vaccinated against, or tested Negative for FeLV or FIV
  • Must be able to be handled for study procedures
  • Must not be intended for breeding, pregnancy, or lactation
  • Cannot have Urinary Tract Infection unless treated effectively before start
  • Cannot have obvious signs of GI Bleeding
  • Hyperthyroid cats are accepted if surgical or radiation treatment occurred 6 months ago or longer

Contact us to see if your cat can enroll!

Feline Diabetes Clinical Trial

Canine Aging Food Clinical Trial

Raintree Animal Hospital is participating in a 16-week clinical trial to understand the health of senior dogs. During this clinical trial, dogs will be fed one of two study foods, both of which are appropriate for older dogs. We are currently looking for eligible dogs to be included in this exciting clinical trial! Qualified candidates will receive a free activity tracker for their dog’s collar, two months of free dog food delivered to their home, and a credit on their veterinary account at Raintree upon the successful completion of all clinical trial responsibilities. To learn more, please contact Sarah Macaluso at 970-482-1987 or

Canine Idiopathic Epilepsy Trial

We are looking for dogs to enroll in our clinical study investigating a potential new treatment for seizures! We are helping to evaluate the potential of this treatment in dogs. Enrollment began in December 2020.

The study lasts 4 months and requires 6 visits. All costs related to the study will be free, including exams, lab work and the assigned study treatment.

To learn more, email us at, give us a call at 970-482-1987.

Trust, Convenience, and Value

At Raintree Animal Hospital, we respect your bond with your pet, and we are dedicated to meeting your needs and concerns while providing the highest quality care for your pet—from birth through their senior years.


Phone: (970) 482-1987
Fax: (970) 482-6775


Mon-Fri: 7:30 am to 6:00 pm
Sat: 7:30 am to 12:00 pm
Sun: Closed


2335 S Shields St.
Fort Collins, CO 80526
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