Rusty Arnold Joins TDN Writers’ Room Podcast

After receiving a seven-day suspension and a $1,000 fine after a horse he trained tested positive for a metabolite of Tramadol, trainer Rusty Arnold went on the offensive.

While he did not argue the fact that the horse tested positive, he has said that it is grossly unfair that the HISA/HIWU continues to suspended trainers for minute amounts of drugs that aren't considered performance-enhancing.

Advocating for a major change in how these infractions are dealt with, Arnold was this week's guest on the TDN Writers' Room podcast presented by Keeneland. He was the Green Group Guest of the week.

“I can't deny that the horse raced on Tramadol,” Arnold said. “I took my positive and I didn't argue it. I didn't say anything. But after taking it, I wanted to point out that I don't think it's fair. I don't think the system is right on these trace limits. I'm trying to create some positive movement to change the rules and bring about some positive changes.”

Arnold said the only way the drug could have gotten into the horse's system is through environmental contamination and that HIWU's zero tolerance stand on drug positives is unrealistic.

 

Rusty Arnold Joins the TDN Writers' Room from Thoroughbred Daily News on Vimeo.

 

“I have no doubt that it came from contamination,” he said. “But my major objection is that in today's society, there is no such thing as zero tolerance. There needs to be a level and if the medication is under that level it won't be a drug positive. I'm trying to move forward and trying to make a positive change. Too many people are getting involved in similar situations right now. It's one every day or one every few days. And I disagree with it.”

Arnold said he heard from over 300 people since his ordeal became public and said the overwhelming sentiment was that he was being treated unfairly.

“The response has been very good, a little bit overwhelming actually,” he said. “I answered over 300 emails and texts over the next 48 hours. I would say 99.9% were positive and that included support I received from several Jockey Club members, which very much surprised me. The one thing that was the theme that echoed between every one of them was, 'this isn't what we signed up for with HISA. This isn't what we thought it was going to be. We thought we were going to catch guys that were clearly cheating. We didn't know that the everyday guy that's out there trying to do his job was going to be snared by the gotcha mentality.'”

In our breeding spotlight section we looked at the Coolmore stallion Tiz the Law and the WinStar stallion Audible.

Domestic Product | SV Photography

Elsewhere on the podcast, which is also sponsored by the Kentucky Thoroughbred Association, Coolmore, 1/ST Racing, West Point Thoroughbreds, WinStar https://www.winstarfarm.com/and XBTV.com, the team of Randy Moss, Bill Finley and Zoe Cadman reviewed the major races from last week, which included the one nobody could bet on–the GIII Tampa Bay Derby–won by Domestic Product (Practical Joke). Cadman said she was impressed by the performance of the Chad Brown-trainee, while Finley said he was underwhelmed because of the weak field.

There was also talk of the win by Kinza (Carpe Diem) in the GIII Santa Ysabel S. Kinza is arguably the best 3-year-old filly in training but because she is trained by Bob Baffert she cannot run in the GI Kentucky Oaks. Cadman was in Ocala for the March OBS 2-Year-Old Sale and gave a scouting report on which freshman sires she thinks will stand out during the sale.

To watch the Writers' Room, click here. To view the show as a podcast, click here.

 

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Letter to the Editor: Detection of Banned Drugs in Horses

As a Clinical Pharmacologist (human) and an avid horse player, I have grown tired of these instances of biologic samples from horses having banned substances found and the “interesting” explanations as to how the exposure happened. One recent example was a story of a horse in which three samples of blood had metformin (a drug used to treat type II diabetes in humans) detected. The explanation was that a groom and later the trainer was taking metformin and “touched the horse's face.”

This explanation is questionable from a clinical pharmacology standpoint. Metformin for human use is a film coated tablet (coated with a polymer). Unless the individual taking the tablet crushes or chews it (and puts a finger in the mouth), handling the film coated tablet does not transfer metformin to the hands. Additionally, published data shows that the amount of metformin absorbed from an oral dose in a horse ranges from 3.9-7.1% (fed vs fasted state) which is minuscule. Finally, the suggested dose of metformin in horses for approved use is 15 mg/kg (7.5 grams in a 500 kg horse) versus a usual 500 mg dose in a human. Thus, horse exposure from a human dose (by rubbing the face) or even putting a finger/hand in the horse's mouth would be quite a stretch of science.

This story is not the only one that TDN readers have seen over time. We have been subjected to stories of a horse with detectable betamethasone in his blood supposedly not from an intraarticular injection but due to use of a topical product, a horse with dextromethorphan in the blood due to a groom using a cough syrup and urinating in the stall and many other stories. These explanations stretch the science of clinical pharmacology to unreasonable levels.

I'd like to offer my human-based clinical pharmacology expertise to HISA/HIWU to “solve” these human-based inaccurate explanations in terms of horse exposures to banned drugs, gratis.

Horse racing is a great sport with a long tradition. Unfortunately, stories of horses having banned substances (no matter how low the exposure) is a negative for a sport where interest at least in the USA is declining and groups like PETA show up to protest at large racing venues putting more negative attention to the sport. But, worst of all, use of banned substances is bad for the horses and aren't the horses our primary interest/concern?

Sincerely,
Joseph S. Bertino Jr., PharmD, FCP, FCCP
Guilderland, New York

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