Page 8 - Spring 2018 Newsletter Final Digital
P. 8

“We really wanted to participate in   type of chemo medication. To follow the   COXEN CLINICAL
                                                                                                                                   a clinical trial,” said Brad. “We hoped it   clinical trial protocol, Duke will return
                                                                                                                                   would help Duke as well as other dogs   every three weeks for several months to   TRIAL FOR
                                                                                                                                   and possibly people in the future.”   receive alternating doses of chemother-  OSTEOSARCOMA
                                                                                                                                    During their first visit, they met with   apy drugs. The clinical trials team will
                                                                                                                                   members of the clinical trials team to   also monitor his blood work to ensure   Osteosarcoma is a painful and
                                                                                                                                   learn more about the center’s current clin-  the chemotherapy isn’t compromising his   aggressive cancer that originates in
                                                                                                                                   ical trials for patients with osteosarcoma.   white blood cell count and perform X-rays   the bone. Current treatment
                                                                                                                                   Pending the results of additional testing,   to watch for metastasis.         options include amputation of the
                                                                                                                                   the family considered two different trials.   “The clinical trials team is really impres-  affected limb followed by
                                                                                                                                   The goal of the first study is to investigate   sive,” said Brad. “They are quick to follow   chemotherapy to curb cancer
                                                                                                                                   the effectiveness of a Listeria vaccine in   up and answer questions and are clearly   metastasis. Recent studies have
                                                                                                                                   delaying/preventing the spread of cancer   dedicated to Duke’s care.”         shown that cancer gene signatures,
                                                                                                                                   following amputation and chemotherapy.   “Duke is an incredible, trusting, and   patterns of how genes are
                                                                                                                                    The goal of the second trial is to deter-  lovable boy,” said Lindsay Carroll, clinical   expressed within individual
                                                                                                                                   mine if dogs with osteosarcoma treated   trials nurse. “Even if he isn’t feeling well,   tumors, can predict whether a
                                                                                                                                   with chemotherapy protocols based on   he manages to make everyone around     tumor will respond to a specific
                                                                                                                                   the sensitivity of the individual patient’s   him happy. We are grateful to have him   chemotherapy drug. Determining
                                                                                                                                   cancer cells will have better outcomes   enrolled in a clinical trial with us.”  a tumor’s gene signature allows
                                                                                                                                   compared to standard treatment. Prior to   Four months after surgery, Duke is do-  patients to be treated with drugs
                                                                                                                                   enrolling in either trial, Duke would need   ing well.  He continues to enjoy his family,   most likely to provide the greatest
                                                                                                                                   to have his front leg amputated to remove   (shorter) walks, visits from people, and, of   therapeutic benefit.
                                                                                                                                   the primary tumor.                   course, peanut butter and popcorn. “His
                                                                                                                                    That day, the family also met with surgi-  personality has remained the same as it   Coexpression extrapolation, or
                                                                                                                                   cal oncologist, Dr. Deanna Worley, to learn   has always been,” said Brad.    COXEN, is a method of
                                                                                                                                   more about Duke’s upcoming surgery.    “I would recommend CSU to anyone       predicting the sensitivity of tumor
                                                                                                                                    “We were surprised and grateful that   whose pet is diagnosed with cancer,” said   cells to specific drugs based on
                                                                                                                                   we had a chance to talk to Duke’s sur-  Brad.                                 genes expressed by the tumor. The
                                                                                                                                   geon before the procedure,” said Brad.   “Initially, this was a scary diagnosis to   use of this method can help us to
        Duke is enrolled in the Flint Animal Cancer Center’s COXEN clinical trial.                                                 “She was very informative and explained   wrap our heads around, but after meeting   determine which chemotherapy
                                                                                                                                   what the experience would be like, how   Duke’s surgeon and the clinical trials staff,   drug(s) may be most effective
        A love of people, popcorn, and peanut butter fuel Duke’s recovery from osteosarcoma                                        things would go.  She answered our   we were really put at ease. Everyone is   against a particular tumor.
                                                                                                                                   questions and was very reassuring.  After
                                                                                                                                                                        truly committed to providing the best care
                                                                                                                                   that conversation, we knew Duke was in   and outcome possible for Duke, and that   The goal of the Predictive Models
                                                                                                                                   good hands.”                         means a lot.”                            of Drug Response in Canine Os-
               FTER TAKING TIME TO MOURN THE LOSS OF THEIR      loves popcorn and peanut butter,” shared the couple’s youngest      Three days later, following a successful                                     teosarcoma: A Prospective Clinical
               beloved golden retriever, Bailey, who died of cancer at the   daughter.                                             surgery, Duke returned home to his family.                                    Trial Testing the COXEN Approach
        Aage of 10, Heidi and Brad decided the time was right to bring   In November 2017, the family noticed a bump on Duke’s left   Although he tired easily the first few days,   Each year, approximately 8,000 dogs   is to determine if dogs with
        a new fur family member home. They planned to surprise their three   front leg. It didn’t seem to bother him, so they continued to moni-  it didn’t take Duke long to get used to life   are diagnosed with osteosarcoma. The   osteosarcoma treated with
        girls with the ultimate Christmas gift: a new puppy.    tor. After returning home from a trip in early January, they noticed   as a tripawd.                    median survival rate for patients receiv-  chemotherapy protocols based on
          Plans changed in November when the couple learned about a   the bump had grown significantly. Concerned, they brought Duke   “Through all of this, it’s amazing how   ing standard of care is approximately 12   drug sensitivity determined by the
        litter of 10-week-old golden retrievers.                to their veterinarian who performed a fine needle aspirate as well   resilient and happy Duke has remained,”   months. Clinical trials, such as the COXEN   COXEN method will have better
          “When I went to visit the puppies, there were only two avail-  as X-rays. The results indicated osteosarcoma or bone cancer.   said Brad.                     study, are looking at better ways to treat   outcomes compared to previous
        able, a boy and a girl,” said Heidi. “Someone else was consider-  Their veterinarian referred Duke and family to a veterinary oncol-  Ultimately, Duke’s family decided to   osteosarcoma and provide a longer and   reports.
        ing the female, and when I met this fluffy, adorable 10-week-old   ogist to discuss treatment options. They learned about conven-  enroll in the COXEN clinical trial, which   better quality of life for pet patients, with
        little guy, I knew I couldn’t wait until Christmas.” Duke joined their   tional treatments, as well as clinical trials, particularly two trials at   personalizes Duke’s chemotherapy pro-  the goal of also helping people.  The three-year study is funded, in
        home soon after that first visit in the winter of 2010.   CSU’s Flint Animal Cancer Center.                                tocol based on his specific tumor charac-                                     part, by the Morris Animal Foun-
          He quickly became the center of the family’s world with his   While taking time to consider the treatment options, Brad talk-  teristics. The COXEN algorithm to detect                                dation. To date, 52 canine patients
        loving and chill personality.                           ed to his brother, an orthopedic surgeon, who had friends at the   drug sensitivity of cancer cells is proven in                                 have participated in the trial.
          “He is truly a lovable dog; he loves his family and people in   Limb Preservation Foundation, an organization dedicated to the   people, and clinicians at the Flint Animal                            The study is a first step toward a
        general,” shared Heidi and Brad.                        prevention and treatment of limb-threatening conditions. Through   Cancer Center are working to prove its                                        personalized medicine approach in
          “He just has this personality that attracts people,” said Heidi.   that connection, Brad learned about Dr. Nicole Ehrhart, a surgical   efficacy in veterinary patients like Duke                      dogs with bone cancer.
        “I’ve never seen anything like it; strangers are drawn to him and   oncologist at the Flint Animal Cancer Center, who has collaborat-  too. Duke started the trial three weeks
        will walk right up to him when we’re out in public.”    ed extensively with the Limb Preservation Foundation.              after his surgery, receiving his first dose of                                For more information about the
          Duke also loves when the house is full of guests or when the   “All signs seemed to be pointing us to CSU,” said Brad.   doxorubicin, a type of chemotherapy. He                                       COXEN clinical trial, please visit
        girls’ friends come to the house to play.                 The family visited CSU’s Flint Animal Cancer Center a few days   returned three weeks later for blood work                                     website.
          In addition to people, Duke has two other passions. “Duke   later with intention of pursuing a clinical trial.           and his first dose of carboplatin, another


        8   Flint Animal Cancer Center Newsletter | Spring 2018                                                                                                                                                          csuanimalcancercenter.org    9
   3   4   5   6   7   8   9   10   11   12