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gemtesa

Gemtesa (Vibegron) is a medication used to treat Overactive Urinary Bladder.

Vibegron · by Sumitomo Pharma Am

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Vibegron
Form
Tablet
Strength
Vibegron 75MG
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Sumitomo Pharma Am
FDA application
NDA213006

What is Gemtesa?

From the FDA label:Vibegron is a selective beta-3 adrenergic agonist. The chemical name is (6S)-N-[4-[[(2S,5R)-5-[(R)-hydroxy(phenyl)methyl]pyrrolidin-2-yl]methyl]phenyl]-4-oxo-7,8-dihydro-6H-pyrrolo[1,2-a]pyrimidine-6-carboxamide having a molecular formula of C 26 H 28 N 4 O 3 and a molecular weight of 444.538 g/mol. The structural formula of vibegron is: Vibegron is a crystalline, white to off-white to tan powder. GEMTESA tablets, for oral administration contain 75 mg of vibegron and the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, magnesium stearate, mannitol, and microcrystalline cellulose. The light green film coating contains FD&C Blue No. 2 - aluminum lake, hypromellose, iron oxide yellow, lactose monohydrate, titanium dioxide, and triacetin. Structural Formula of Vibegron

How to use

The recommended dose is one 75 mg tablet orally once daily. ( 2.1 ) Swallow tablet whole with water. ( 2.1 ) Tablet may be crushed and mixed with applesauce. ( 2.1 ) 2.1 Recommended Dosage The recommended dosage of GEMTESA is one 75 mg tablet orally, once daily with or without food. Swallow GEMTESA tablets whole with a glass of water. In adults, GEMTESA tablets also may be crushed, mixed with a tablespoon (approximately 15 mL) of applesauce and taken immediately with a glass of water [see Clinical Pharmacology ( 12.3 )] .

Side effects

The following clinically significant adverse reaction is described elsewhere in the labeling: Urinary retention [see Warnings and Precautions ( 5.1 )] Most common adverse reactions (≥2%) reported with GEMTESA were headache, urinary tract infection, nasopharyngitis, diarrhea, nausea, and upper respiratory tract infection. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Sumitomo Pharma America, Inc. at 1-833-876-8268 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Overactive Bladder in Adults The safety of GEMTESA was evaluated in a 12-week, double-blind, placebo- and active-controlled study (Study 3003) in patients with OAB [see Clinical Studies ( 14.1 )] . A total of 545 patients received GEMTESA. The majority of the patients were White (78%) and female (85%) with a mean age of 60 years (range 18 to 93 years). Adverse reactions that were reported in Study 3003 at an incidence greater than placebo and in ≥2% of patients treated with GEMTESA are listed in Table 1 . Table 1: Adverse Reactions, Exceeding Placebo Rate, Reported in ≥2% of Patients Treated with GEMTESA 75 mg for up to…

Warnings

Important safety information

Urinary Retention : Monitor for urinary retention, especially in patients with bladder outlet obstruction and also in patients taking muscarinic antagonist medications for OAB, in whom the risk of urinary retention may be greater. If urinary retention develops, discontinue GEMTESA. ( 5.1 ) Angioedema : Angioedema of the face and/or larynx has been reported with GEMTESA. ( 5.2 ) 5.1 Urinary Retention Urinary retention has been reported in patients taking GEMTESA. The risk of urinary retention may be increased in patients with bladder outlet obstruction and also in patients taking muscarinic antagonist medications for the treatment of OAB. Monitor patients for signs and symptoms of urinary retention, particularly in patients with bladder outlet obstruction or patients taking muscarinic antagonist medications for the treatment of OAB. Discontinue GEMTESA in patients who develop urinary retention [see Adverse Reactions ( 6.1 )] . 5.2 Angioedema Angioedema of the face and/or larynx has been reported with GEMTESA. Angioedema has been reported to occur hours after the first dose or after multiple doses. Angioedema, associated with upper airway swelling, may be life-threatening. If involvement of the tongue, hypopharynx, or larynx occurs, immediately discontinue GEMTESA and provide appropriate therapy and/or measures necessary to ensure a patent airway. GEMTESA is contraindicated in patients with known hypersensitivity to vibegron or any component of GEMTESA [see Contraindications ( 4 ) and Adverse Reactions ( 6.2 )] .

Who should not take Gemtesa

GEMTESA is contraindicated in patients with known hypersensitivity to vibegron or any components of GEMTESA. Hypersensitivity reactions, such as angioedema, have occurred [see Warnings and Precautions ( 5.2 ) and Adverse Reactions ( 6.2 )] . Do not use if prior hypersensitivity reaction to vibegron or any components of the product. ( 4 )

Overdose — what happens if you take too much

There is no experience with inadvertent GEMTESA overdosage. In case of suspected overdose, treatment should be symptomatic and supportive.

U.S. Poison Control: call or text 1-800-222-1222 (free, 24/7). In an emergency call 911. From the FDA label; not medical advice.

Interactions

Concomitant use of GEMTESA increases digoxin maximal concentrations (C max ) and systemic exposure as assessed by area under the concentration-time curve (AUC) [see Clinical Pharmacology ( 12.3 )] . Serum digoxin concentrations should be monitored before initiating and during therapy with GEMTESA and used for titration of the digoxin dose to obtain the desired clinical effect. Continue monitoring digoxin concentrations upon discontinuation of GEMTESA and adjust digoxin dose as needed. Digoxin : Measure serum digoxin concentrations before initiating GEMTESA. Monitor serum digoxin concentrations to titrate digoxin dose to desired clinical effect. ( 7 )

May treat (source: NIH RxClass)

Dosage forms

Tablet

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

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Frequently asked questions

What does Gemtesa treat?
Gemtesa (Vibegron) may be used to treat overactive urinary bladder, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
Is there a coupon or discount for Gemtesa?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Gemtesa. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Gemtesa?
Gemtesa is marketed by Sumitomo Pharma Am. You can see Sumitomo Pharma Am's full profile, rating, and other products on pharmaranks.
Is Gemtesa a brand-name or generic drug?
Gemtesa is a brand-name product with the active ingredient Vibegron.
Is Gemtesa available over the counter?
No. Gemtesa is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Gemtesa come in?
Gemtesa is currently marketed as tablet, per the FDA's National Drug Code Directory.
Is Gemtesa FDA-registered?
Gemtesa is on record with the U.S. FDA under application number NDA213006. You can verify this on its official FDA label.
Is Gemtesa safe?
There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Gemtesa. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
What are the side effects of Gemtesa?
Gemtesa's side effects are taken directly from its FDA label. From the label: The following clinically significant adverse reaction is described elsewhere in the labeling: Urinary retention [see Warnings and Precautions ( 5.1 )] Most common adverse reactions (≥2%) reported with GEMTESA were headache, urinary tract infection, nasopharyngitis, diarrhea, nausea,… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.

Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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