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FDA Issues Complete Response Letter for 800mg PREZISTA® (darunavir) Tablet
Date:5/29/2012

TITUSVILLE, N.J., May 29, 2012 /PRNewswire/ -- Janssen Therapeutics, Division of Janssen Products, LP, announced today the U.S. Food and Drug Administration (FDA) has issued a Complete Response letter for a Supplemental New Drug Application (sNDA) for an 800mg tablet of PREZISTA® (darunavir).

PREZISTA is approved for once-daily oral administration of 800mg -- two 400mg tablets -- for the treatment of human immunodeficiency virus (HIV-1) in treatment-naive and treatment-experienced adult patients with no darunavir resistance-associated mutations. PREZISTA is always taken with and at the same time as ritonavir with food and in combination with other HIV medicines.

Janssen is developing the 800mg tablet dosage strength to allow patients taking PREZISTA once daily to reduce the number of PREZISTA tablets by half, taking one 800mg tablet instead of two 400mg tablets once a day with ritonavir 100mg and other antiretroviral medications.

The sNDA for the 800mg tablet strength was submitted in January 2012. Janssen is evaluating the FDA's letter and will respond to the agency as quickly as possible. The company does not expect additional clinical trials will be required to address the FDA's feedback in the Complete Response letter. Janssen continues to believe the 800mg PREZISTA tablet is an important option and is committed to making it available to patients.

PREZISTA is a protease inhibitor and was first approved in the United States in 2006. It is marketed in the U.S. by Janssen Therapeutics. 

About PREZISTA®

PREZISTA® (darunavir) is a prescription medicine. It is one treatment option in the class of HIV (human immunodeficiency virus) medicines known as protease inhibitors. PREZISTA® is always taken with and at the same time as ritonavir (Norvir®), in combination with other HIV medicines for the treatment of HIV infection in adults. PREZISTA® should also be taken with food.

  • The use of other medicines active against HIV in combination with PREZISTA®/ritonavir (Norvir®) may increase your ability to fight HIV. Your healthcare professional will work with you to find the right combination of HIV medicines
  • It is important that you remain under the care of your healthcare professional during treatment with PREZISTA®

PREZISTA® does not cure HIV infection or AIDS and you may continue to experience illnesses associated with HIV-1 infection, including opportunistic infections. You should remain under the care of a doctor when using PREZISTA®.

Please read Important Safety Information below, and talk to your healthcare professional to learn if PREZISTA® is right for you.

Important Safety Information

What is the most important information I should know about PREZISTA®?

  • PREZISTA® can interact with other medicines and cause serious side effects. See "Who should not take PREZISTA®?"
  • PREZISTA® may cause liver problems. Some people taking PREZISTA®, together with Norvir® (ritonavir), have developed liver problems which may be life-threatening. Your healthcare professional should do blood tests before and during your combination treatment with PREZISTA®. If you have chronic hepatitis B or C infection, your healthcare professional should check your blood tests more often because you have an increased chance of developing liver problems
  • Tell your healthcare professional if you have any of these signs and symptoms of liver problems: dark (tea-colored) urine, yellowing of your skin or whites of your eyes, pale-colored stools (bowel movements), nausea, vomiting, pain or tenderness on your right side below your ribs, or loss of appetite
  • PREZISTA® may cause a severe or life-threatening skin reaction or rash. Sometimes these skin reactions and skin rashes can become severe and require treatment in a hospital. You should call your healthcare professional immediately if you develop a rash. However, stop taking PREZISTA® and ritonavir combination treatment and call your healthcare professional immediately if you develop any skin changes with these symptoms: fever, tiredness, muscle or joint pain, blisters or skin lesions, mouth sores or ulcers, red or inflamed eyes, like "pink eye." Rash occurred more often in patients taking PREZISTA® and raltegravir together than with either drug separately, but was generally mild.

Who should not take PREZISTA®?

  • Do not take PREZISTA® if you are taking the following medicines: alfuzosin (Uroxatral®), dihydroergotamine (D.H.E.45®, Embolex®, Migranal®), ergonovine, ergotamine (Cafergot®, Ergomar®), methylergonovine, cisapride (Propulsid®), pimozide (Orap®), oral midazolam, triazolam (Halcion®), the herbal supplement St. John's wort (Hypericum perforatum), lovastatin (Mevacor®, Altoprev®, Advicor®), simvastatin (Zocor®, Simcor®, Vytorin®), rifampin (Rifadin®, Rifater®, Rifamate®, Rimactane®), sildenafil (Revatio®) when used to treat pulmonary arterial hypertension, indinavir (Crixivan®), lopinavir/ritonavir (Kaletra®), saquinavir (Invirase®), boceprevir (Victrelis™), or telaprevir (Incivek™)
  • Before taking PREZISTA®, tell your healthcare professional if you are taking sildenafil (Viagra®, Revatio®), vardenafil (Levitra®, Staxyn®), tadalafil (Cialis®, Adcirca®), atorvastatin (Lipitor®), rosuvastatin (Crestor®), pravastatin (Pravachol®), or colchicine (Colcrys®, Col-Probenecid®). Tell your healthcare professional if you are taking estrogen-based contraceptives (birth control). PREZISTA® might reduce the effectiveness of estrogen-based contraceptives. You must take additional precautions for birth control, such as condoms

This is not a complete list of medicines. Be sure to tell your healthcare professional about all the medicines you are taking or plan to take, including prescription and nonprescription medicines, vitamins, and herbal supplements.

What should I tell my doctor before I take PREZISTA®?

  • Before taking PREZISTA®, tell your healthcare professional if you have any medical conditions, including liver problems (including hepatitis B or C), allergy to sulfa medicines, diabetes, or hemophilia
  • Tell your healthcare professional if you are pregnant or planning to become pregnant, or are breastfeeding
    • The effects of PREZISTA® on pregnant women or their unborn babies are not known. You and your healthcare professional will need to decide if taking PREZISTA® is right for you
    • Do not breastfeed. It is not known if PREZISTA® can be passed to your baby in your breast milk and whether it could harm your baby. Also, mothers with HIV should not breastfeed because HIV can be passed to your baby in the breast milk

What are the possible side effects of PREZISTA®?

  • High blood sugar, diabetes or worsening of diabetes, and increased bleeding in people with hemophilia have been reported in patients taking protease inhibitor medicines, including PREZISTA®
  • Changes in body fat have been seen in some patients taking HIV medicines, including PREZISTA®. The cause and long-term health effects of these conditions are not known at this time
  • Changes in your immune system can happen when you start taking HIV medicines. Your immune system may get stronger and begin to fight infections that have been hidden
  • The most common side effects related to taking PREZISTA® include diarrhea, nausea, rash, headache, stomach pain, and vomiting. This is not a complete list of all possible side effects. If you experience these or other side effects, talk to your healthcare professional. Do not stop taking PREZISTA® or any other medicines without first talking to your healthcare professional

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

Please refer to the ritonavir (Norvir®) Product Information (PI and PPI) for additional information on precautionary measures.

Please see full Prescribing Information for more details, available at: http://prezista.com/sites/default/files/pdf/us_package_insert.pdf

About Janssen Therapeutics 
At Janssen, we are dedicated to addressing and solving some of the most important unmet medical needs of our time in HIV and other infectious diseases. Driven by our commitment to patients, we develop innovative products, services and healthcare solutions to help people throughout the world. Headquartered in Titusville, New Jersey, Janssen Therapeutics, Division of Janssen Products, LP, is one of the Janssen Pharmaceutical Companies of Johnson & Johnson. Visit www.JanssenTherapeutics.com for more information and follow us on Twitter at @JanssenUS.

(This press release contains "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. The reader is cautioned not to rely on these forward-looking statements. These statements are based on current expectations of future events. If underlying assumptions prove inaccurate or unknown risks or uncertainties materialize, actual results could vary materially from the expectations and projections of Janssen Products, LP and/or Johnson & Johnson. Risks and uncertainties include, but are not limited to, general industry conditions and competition; economic factors, such as interest rate and currency exchange rate fluctuations; technological advances, new products and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approvals; challenges to patents; changes in behavior and spending patterns or financial distress of purchasers of health care products and services; changes to governmental laws and regulations and domestic and foreign health care reforms; trends toward health care cost containment; increased scrutiny of the health care industry by government agencies; manufacturing difficulties or delays; and product efficacy or safety concerns. A further list and description of these risks, uncertainties and other factors can be found in Exhibit 99 of Johnson & Johnson's Annual Report on Form 10-K for the fiscal year ended January 1, 2012. Copies of this Form 10-K, as well as subsequent filings, are available online at www.sec.govwww.jnj.com or on request from Johnson & Johnson. Neither Janssen Products, LP nor Johnson & Johnson undertake to update any forward-looking statements as a result of new information or future events or developments.)

Media contact:
Pamela Van Houten
Phone: +1-609-730-7902
Mobile: +1-908-295-7367
Email: pvanhou5@its.jnj.com


Investor contacts:
Louise Mehrotra
Phone: +1-732 524-6491
Stan Panasewicz
Phone: +1-732-524-2524


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