science

Sulopenem/probenecid

Sulopenem/probenecid is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sulopenem/probenecid rather than just read about it. In short: Sulopenem/probenecid, sold under the brand name Orlynvah, is a fixed-dose combination medication used for the treatment of urinary tract infections. It contains sulopenem, a penem antibacterial, as the prodrug sulopenem etzadroxil; and probenecid, a renal tubular transport inhibitor.

Key takeaways

Sulopenem/probenecid belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sulopenem/probenecid to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sulopenem/probenecid from memory before moving on to harder problems.

Reference excerpt

Sulopenem/probenecid, sold under the brand name Orlynvah, is a fixed-dose combination medication used for the treatment of urinary tract infections. It contains sulopenem, a penem antibacterial, as the prodrug sulopenem etzadroxil; and probenecid, a renal tubular transport inhibitor. The most common side effects include diarrhea, nausea, vaginal yeast infection, headache, and vomiting. The combination was approved for medical use in the United States in October 2024.

Medical uses Sulopenem/probenecid is indicated for the treatment of uncomplicated urinary tract infections caused by the designated microorganisms Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis in adult women who have limited or no alternative oral antibacterial treatment options.

Contraindications Sulopenem/probenecid is contraindicated in people with a history of hypersensitivity reactions to sulopenem etzadroxil or probenecid or other beta-lactam antibacterial drugs; people with known blood dyscrasias; people with known uric acid kidney stones; and people who are also taking ketorolac tromethamine.

Adverse effects The US Food and Drug Administration (FDA) prescribing information for sulopenem/probenecid includes warnings for hypersensitivity reactions, Clostridioides difficile-associated diarrhea, and potential exacerbation of gout when given to people with a known history of gout.

History The effectiveness of sulopenem/probenecid was evaluated in two phase III controlled, randomized, double blind clinical trials (trial 1 and trial 2) which enrolled adult women with uncomplicated urinary tract infections. Trial 1 (NCT05584657) was a noninferiority trial in which 2214 adult women with uncomplicated urinary tract infections were randomized and treated. Sulopenem/probenecid demonstrated efficacy in participants with amoxicillin/clavulanate-susceptible pathogens with a composite response rate (combined microbiological response and clinical response) of 62% compared to a composite response rate of 55% in the amoxicillin/clavulanate group. Trial 2 (NCT03354598) was a noninferiority trial in which 1660 adult women with uncomplicated urinary tract infections were randomized and treated. Sulopenem/probenecid demonstrated efficacy in participants with ciprofloxacin-resistant pathogens with a composite response rate of 48% compared to a composite response rate of 33% in the ciprofloxacin group. Overall, in the two trials combined, 1932 participants were treated with sulopenem/probenecid. Clinical trials evaluating sulopenem/probenecid for the treatment of participants with complicated urinary tract infections and complicated intra-abdominal infections did not demonstrate effectiveness.

References

Further reading Dunne MW, Aronin SI, Das AF, Akinapelli K, Zelasky MT, Puttagunta S, et al. (January 2023). "Sulopenem or Ciprofloxacin for the Treatment of Uncomplicated Urinary Tract Infections in Women: A Phase 3, Randomized Trial". Clinical Infectious Diseases. 76 (1): 66–77. doi:10.1093/cid/ciac738. PMC 9825825. PMID 36069202.

External links Clinical trial number NCT05584657 for "Oral Sulopenem Versus Amoxicillin/Clavulanate for Uncomplicated Urinary Tract Infection in Adult Women (REASSURE)" at ClinicalTrials.gov Clinical trial number NCT03354598 for "Oral Sulopenem-etzadroxil/Probenecid Versus Ciprofloxacin for Uncomplicated Urinary Tract Infection in Adult Women" at ClinicalTrials.gov

Worked examples

Example 1 — a first encounter with Sulopenem/probenecid

Start with the simplest possible case. Write down what Sulopenem/probenecid claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sulopenem/probenecid before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sulopenem/probenecid ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sulopenem/probenecid

In research: Sulopenem/probenecid appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sulopenem/probenecid in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sulopenem/probenecid is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antigout agents, Beta-lactam antibiotics, Combination drugs, so understanding it makes those chapters shorter.
In everyday life: Look for Sulopenem/probenecid outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Sulopenem/probenecid” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Sulopenem/probenecid in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sulopenem/probenecid means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sulopenem/probenecid out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sulopenem/probenecid in simple terms?

Why does Sulopenem/probenecid matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sulopenem/probenecid?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sulopenem/probenecid.