The Latest

FDA Approves New Oral Powder Formulation of Ritonavir (Norvir, RTV)
This approval provides for the use of ritonavir (Norvir) oral powder in combination with other antiretroviral agents for the treatment of pediatric patients with HIV-1 infection.

Norvir (Ritonavir) Labeling Revised to Include New Warnings on Side Effects, Drug Interactions
On December 7, 2011, the Food and Drug Administration approved the following revisions to the Norvir (ritonavir) tablets, capsules and oral solution product labeling:
The Contraindications section was updated to include toxic epidermal necrolysis (T...

Top 10 HIV/AIDS-Related Clinical Developments of 2011
David Wohl, M.D., takes an in-depth look at this year's most critical HIV-related studies, and explains how each one may change how we prevent and treat HIV in 2012 and beyond. (Fair warning: This article can get pretty technical, but each story has ...

U.S. Jury Rejects Glaxo Antitrust Claim vs. Abbott
In Oakland, Calif., on Wednesday, a 10-member federal jury rejected GlaxoSmithKline's (GSK) antitrust claim that Abbott Laboratories had quadrupled the price of its HIV drug Norvir in order to preserve the sales growth of its HIV drug Kaletra.
Norvi...

New FDA Warning on HIV Drugs Invirase and Norvir
On Tuesday, the Food and Drug Administration issued an announcement about an ongoing safety review of the combination of HIV drugs Invirase (saquinavir) and Norvir (ritonavir). In a low dose, Norvir is used to boost the level of Invirase in the body....

FDA Approves New Tablet Formulation of Norvir (Ritonavir)
On February 10, 2010, FDA approved Norvir (ritonavir) 100 mg Tablets. These tablets do not require refrigeration.
Summarized below are highlights from the new Norvir Tablet package insert.
Unlike the capsule formulation, Norvir tablets must be take...

Important Label Update for Norvir (Ritonavir)
On November 23, 2009, FDA approved changes to the Norvir package insert (product label) to include drug-drug interaction information for concurrent ritonavir administration with:
inhaled medicines such as salmeterol or salmeterol in combination with...

Federal Appeals Court Rejects Lawsuit Against Abbott Over HIV/AIDS Drug Price Hike
A federal appeals court on Tuesday rejected a lawsuit against Abbott Laboratories accusing the company "of antitrust violations over a sudden 400-percent price hike of a popular AIDS drug," the AP/El Paso Times reports (7/7). Advocacy groups and drug...

Updated Labeling for Norvir (Ritonavir) Soft Capsule and Oral Solution
FDA approved, on August 29, 2008, changes to the product label for Norvir (ritonavir) Soft Gelatin Capsules, and Norvir Oral Solution reflecting new, post marketing information regarding QT/QTc interval and PR interval prolongation information from S...

New Dosing Regimen for Fosamprenavir Approved: Ritonavir Dose Reduced
On October 12, 2007, the Food and Drug Administration (FDA) approved a supplemental new drug application for Lexiva (fosamprenavir calcium; FPV) Oral Tablets, adding a new indication for once-daily dosing of 1400 mg of Lexiva with 100 mg ritonavir fo...