Gastroparesis Treatments In Clearwater, FL

If diet changes and prokinetic medications have stopped controlling your nausea, bloating, and early fullness, a targeted endoscopic procedure may help your stomach empty again. Dr. Gopal Grandhige is a fellowship-trained foregut surgeon who confirms delayed gastric emptying with objective testing before he recommends any procedure, and he treats Clearwater and Pinellas County patients at his South Tampa practice, about a 30-minute drive across the bay.

When gastroparesis needs more than diet and medication

Most gastroparesis is managed first with diet changes and prokinetic medication, and a procedure is reserved for cases that don’t respond. That order matters. Standard guidance is to optimize medical therapy first and consider a pylorus-directed procedure such as endoscopic pyloromyotomy only for patients whose symptoms stay refractory.

Gastroparesis means the stomach empties too slowly without any physical blockage, which leaves food sitting for hours and drives the nausea, vomiting, bloating, early fullness, and unintended weight loss that make eating miserable. You can read a fuller overview of gastroparesis and its causes on our condition page. The short version: diabetes, prior surgery, viral illness, and certain medications are common triggers, and in many cases the cause is never found.

If you live in Clearwater, the practical path usually starts with a local gastroenterologist for diagnosis and first-line treatment. When diet and medication stop working, that’s the point to see a foregut specialist for a focused evaluation. Many Pinellas patients make the short drive to South Tampa for that step rather than settling for indefinite symptom management.

Endoscopic pyloromyotomy (G-POEM), the procedure Dr. Grandhige performs

Endoscopic pyloromyotomy, also called gastric per-oral endoscopic myotomy (G-POEM), is an incisionless procedure that cuts the pyloric muscle from the inside so the stomach can empty more easily. The pylorus is the muscular valve between the stomach and the small intestine. In many people with gastroparesis it fails to relax, so food backs up. Dr. Grandhige reaches the pylorus with an endoscope passed through the mouth and divides the muscle, with no incisions on the abdomen. Most patients go home the same day.

The procedure itself is reliable to perform: technical success rates consistently exceed 95%. Symptom results depend heavily on picking the right patients. In carefully selected patients, published long-term data show meaningful symptom improvement in roughly 70% at one year, and up to about 80% at six months. Dr. Grandhige is one of the few surgeons in the Tampa Bay area who performs G-POEM.

Be clear-eyed about durability. The benefit isn’t always permanent. Long-term studies show sustained improvement in roughly 50% to 77% of patients at three to four years, and response varies by cause: diabetic and post-surgical gastroparesis tend to respond better than idiopathic gastroparesis, which has no identified cause. That’s exactly why the evaluation before the procedure matters as much as the procedure.

Why objective testing comes before any procedure

Dr. Grandhige confirms delayed gastric emptying with objective testing and evaluates how the pylorus is actually working before he recommends a procedure. This is the single most important thing that separates a good outcome from a disappointing one. The largest prospective G-POEM trial found only modest results when the procedure was used in unselected patients, and its authors concluded that unselective use should be discouraged. Selection is the difference.

Confirming the diagnosis starts with a gastric emptying study, which measures how fast the stomach clears a meal. To judge whether the pylorus is the real bottleneck, Dr. Grandhige uses EndoFLIP, a tool that measures how the pyloric valve opens and stretches, which helps identify who is likely to benefit. His approach across foregut disease is the same one he applies here: prove the problem, match the treatment to it, and don’t operate when the testing says a procedure won’t help.

Symptoms are a poor guide on their own, because gastroparesis overlaps with other foregut problems. Nausea, fullness, and regurgitation can also come from acid reflux (GERD), a hiatal hernia, or a motility disorder such as achalasia, and gastroparesis frequently coexists with reflux. A foregut specialist can tell these apart in one evaluation and treat the factors that are actually driving your symptoms.

Illustration of a probe measuring how the pyloric valve opens, assessing whether it is the cause of delayed stomach emptying

G-POEM compared with the gastric pacer and other options

For refractory gastroparesis, the three procedural options you’re most likely to hear about are endoscopic pyloromyotomy (G-POEM), gastric electrical stimulation (a surgically implanted device often called a “pacer,” such as Enterra), and Botox injection of the pylorus. They are not interchangeable.

G-POEM is incisionless, takes less time, and usually allows same-day discharge. Comparative data suggest it offers better durability than Botox, whose effect tends to be short-lived, and results that are comparable to or better than the implanted stimulator in appropriately selected patients, with fewer complications than open surgical pyloroplasty. The gastric stimulator is a device implanted during surgery and can suit certain patients, particularly when nausea and vomiting are the dominant symptoms. No single option works for everyone, and the right choice depends on the cause of your gastroparesis, your testing, and your goals. Dr. Grandhige walks through the trade-offs rather than defaulting to one procedure.

Who is a candidate, and who is not

A good candidate for G-POEM has gastroparesis that hasn’t responded to optimized diet and medication, objectively confirmed delayed gastric emptying, and symptoms driven by the pylorus rather than another cause. If those boxes are checked, the procedure has a reasonable chance of helping.

Some people are not candidates, and saying so protects them. If you haven’t yet tried optimized medical therapy, that usually comes first. Opioid medications slow the gut and can both mimic and worsen gastroparesis, which changes the calculus. Mechanical blockage has to be ruled out. Idiopathic cases respond less reliably than diabetic or post-surgical ones, so expectations have to be set honestly. Dr. Grandhige is known for telling patients when a procedure is unlikely to help, and some people leave the consultation with a clear explanation and a non-surgical plan instead of an operation. For the right patient, that’s the right outcome.

What is changing in gastroparesis treatment in 2026

A new investigational drug for gastroparesis reported positive results in 2026, which matters if medications haven’t worked for you so far. In the Phase 2b MOVE-IT trial of 328 adults with idiopathic or diabetic gastroparesis, presented at Digestive Disease Week in May 2026, the oral drug naronapride met its primary endpoint with statistically significant improvement in core symptoms, including nausea, early satiety, fullness, and upper abdominal pain, compared with placebo. It works through a dual mechanism, a 5-HT4 agonist and a D2 antagonist, with low systemic absorption, and it’s now advancing to Phase 3.

Naronapride isn’t approved or available yet. It matters here for two reasons: it may become a future option, and it’s a reason to have your case evaluated by someone tracking the field closely, whether that points toward a procedure now or trial eligibility later. Dr. Grandhige and the team follow these developments, and you can find plain-language explanations of reflux and foregut conditions on the practice blog.

Serving Clearwater and Pinellas County

The practice is in South Tampa, about a 30-minute drive from most of Clearwater and Pinellas County. Tampa Bay Reflux Institute is located at 1315 South Howard Avenue, Suite 101, Tampa, FL 33606. The office phone is 813.922.2920, and hours are 9 AM to 6 PM, Monday through Friday. Procedures are performed at HCA South Tampa Hospital.

Traveling from across the bay doesn’t have to mean multiple trips. The office staff, many of whom have been with Dr. Grandhige for over a decade, help consolidate testing and, when possible, arrange studies closer to your home so your visits to Tampa are efficient. Before your consultation, send your prior records, including any endoscopy reports, gastric emptying study, imaging, and notes from your gastroenterologist, so Dr. Grandhige can review everything ahead of time and use your visit for answers rather than paperwork.

FAQS

Yes. The office and the procedures are in South Tampa, about a 30-minute drive from most of Clearwater. Many Pinellas patients make the trip to see a foregut specialist, and the team helps arrange some testing closer to home to limit the number of visits.

Diagnosis is confirmed with a gastric emptying study that measures how fast your stomach clears a meal, not with symptoms alone. Dr. Grandhige also evaluates how the pylorus is functioning before recommending a procedure, because a procedure only helps when the pylorus is the problem.

G-POEM has a strong safety profile in published studies, with a low overall complication rate, around 8% in pooled data and most of it minor, and no abdominal incisions. It’s performed through the mouth under general anesthesia, and most patients go home the same day.

Most patients go home the same day and follow a staged diet as the area heals. Because there are no abdominal incisions, recovery is generally quicker than after open surgery, though you’ll need to follow the specific diet and activity guidance you’re given.

For many patients, symptom relief lasts years, but it isn’t always permanent. Long-term studies show sustained improvement in roughly half to three-quarters of patients at three to four years, which is why careful patient selection is so important.

Usually not first. Gastroparesis is treated with diet changes and prokinetic medication before a procedure is considered, and a procedure is reserved for symptoms that stay refractory despite that treatment.

That’s common, and worth ruling out. The same symptoms can come from reflux, a hiatal hernia, or an esophageal motility disorder, and Dr. Grandhige evaluates these together so you aren’t treated for the wrong condition.

Possibly. An investigational oral drug called naronapride met its primary endpoint in a Phase 2b trial in 2026 and is moving to Phase 3, but it isn’t approved or available yet. Ask about it at your visit if medications haven’t worked for you.

About the surgeon

This page was reviewed by Dr. Gopal Grandhige, MD, a board-certified general surgeon who is fellowship-trained in foregut and minimally invasive surgery at Yale New Haven Hospital. He earned his medical degree at the University of Michigan and completed his general surgery residency at Yale New Haven, and he has focused on foregut disease in the Tampa Bay area since 2009. He is a Fellow of the American College of Surgeons, a member of the Society of American Gastrointestinal and Endoscopic Surgeons, and a founding member of the American Foregut Society. Across his foregut practice he has performed more than 600 fundoplications, more than 600 LINX procedures, and more than 200 TIF procedures, and his patients come largely through physician referrals. You can read more about Dr. Grandhige and his training, and verify his credentials through the American Board of Surgery, the American College of Surgeons directory, and the Florida Department of Health license lookup.

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An endoscopy cannot tell you if you have reflux. It can only tell you if you have complications of GERD. 

If you are unhappy with your reflux symptoms, come in and we can discuss testing and treatments that can accurately diagnose your problem. 

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www.tampareflux.com

If you have a hiatal hernia and fit one of these categories, you should know your options. 

Dr. Grandhige is an expert in his field and performs 200 of these surgeries a year.  He is the only surgeon in the Tampa Bay Area who offers all surgical options - LINX, Fundoplications, TIF and will be one of 20 surgeons in America introducing the latest procedure RefluxStop in 2026. 

We accept most insurances but will verify yours before you come in.  These procedures are considered medically necessary and covered by your insurance.  You can expect to pay your in-network deductibles and nothing else. 

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What causes reflux ?

1.  Weak lower esophageal sphincter
2.  Hiatal hernia
3.  Flattening of the Angle of His
4.  Poor esophageal motility
5.  Gastroparesis (slow stomach)

NOT increased acid production

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If you are tired of avoiding your favorite foods or taking daily medications, we can help. 

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Call 813-922-2920 to schedule your appointment
All major insurances accepted.

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Not all patients need surgical intervention.  Many patients are living a heartburn free life with their PPIs. However 40% of patients taking PPIs are not getting the relief they need.  If you are one of those, you have options!  Come in and find out more. 
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