biology

Voretigene neparvovec

Voretigene neparvovec is a biology 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 Voretigene neparvovec rather than just read about it. In short: Voretigene neparvovec, sold under the brand name Luxturna, is a gene therapy medication for the treatment of Leber congenital amaurosis. Leber's congenital amaurosis, or biallelic RPE65-mediated inherited retinal disease, is an inherited disorder causing progressive blindness.

Key takeaways

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

Reference excerpt

Voretigene neparvovec, sold under the brand name Luxturna, is a gene therapy medication for the treatment of Leber congenital amaurosis. Leber's congenital amaurosis, or biallelic RPE65-mediated inherited retinal disease, is an inherited disorder causing progressive blindness. Voretigene is the first treatment available for this condition. The gene therapy is not a cure for the condition, but substantially improves vision in those treated. It is given as a subretinal injection. Voretigene neparvovec was approved for medical use in the United States in December 2017, in Australia in August 2020, in Canada in October 2020, and in Switzerland in February 2020. It was the first in vivo gene therapy approved by the US Food and Drug Administration (FDA).

Medical uses Voretigene neparvovec is indicated for the treatment of people with vision loss due to inherited retinal dystrophy caused by confirmed biallelic RPE65 mutations and who have sufficient viable retinal cells.

Chemistry and production Voretigene neparvovec is an AAV2 vector containing human RPE65 cDNA with a modified Kozak sequence. The virus is grown in HEK 293 cells and purified for administration.

History It was developed by Spark Therapeutics and Children's Hospital of Philadelphia. It was granted orphan drug designation for Leber congenital amaurosis and retinitis pigmentosa. A biologics license application was submitted to the US Food and Drug Administration (FDA) in July 2017 with Priority Review. Phase III clinical trial results were published in August 2017. On 12 October 2017, a key advisory panel to the FDA, composed of 16 experts, unanimously recommended approval of the treatment. The FDA approved the drug in December 2017. With the approval, Spark Therapeutics received a pediatric disease priority review voucher.

Society and culture

Economics The first commercial sale of voretigene neparvovec, which was also the first sale of any gene therapy product in the United States, occurred in March 2018. The price of the treatment at the time was announced as being $425,000 per eye.

References

Worked examples

Example 1 — a first encounter with Voretigene neparvovec

Start with the simplest possible case. Write down what Voretigene neparvovec claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Voretigene neparvovec 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 Voretigene neparvovec 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 Voretigene neparvovec

In research: Voretigene neparvovec appears in biology 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 Voretigene neparvovec 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: Voretigene neparvovec is common in secondary-school and first-year university syllabi. It links to neighbouring topics Approved gene therapies, Ophthalmology drugs, Orphan drugs, so understanding it makes those chapters shorter.
In everyday life: Look for Voretigene neparvovec 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.

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How to study Voretigene neparvovec in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Voretigene neparvovec 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 Voretigene neparvovec out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Voretigene neparvovec in simple terms?

Why does Voretigene neparvovec matter?

Because it connects several biology 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 Voretigene neparvovec?

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 Voretigene neparvovec.