Idarubicin hydrochloride (Idamycin - Adria), an anthracycline structurally related to daunorubicin (Cerubidine, and others) and doxorubicin (Adriamycin, and others), was recently approved in the USA for treatment of acute myelogenous leukemia (AML) in adults.

Interferon β-1b (Betaseron - Berlex), an analog of human interferon β pro-duced in E. coli, may soon be approved by the US Food and Drug Administration for treatment of relapsing-remitting multiple sclerosis (MS), the most common form of the disease (G Mitchell, Med Clin North Am, 77:231, 1993).

Two portable instruments for monitoring prothrombin time have been approved by the US Food and Drug Administration (FDA). The Coumatrak (DuPont Pharma) and CoaguChek (Boehringer Mannheim Diagnostics) are marketed in the USA only for use by healthcare professionals. In Europe, however, the CoaguChek is also marketed for use by patients. A CoaguChek Plus portable system, which measures activated partial thromboplastin time (APTT) as well as prothrombin time, is also available in both Europe and the USA.

The FDA has approved three office laboratory tests for diagnosis of influenza. These tests are of special interest now because the FDA recently also approved two new drugs for treatment of influenza that must be started--to be effective--less than 48 hours after the onset of symptoms.

The FDA has approved a delayed-release oral formulation of prednisone (Rayos – Horizon Pharma). Rayos is not labeled for any specific indication, but the only published studies of the new product have been in patients with rheumatoid arthritis (RA).

The FDA has approved crofelemer (kroe fel’ e mer; Fulyzaq – Salix), a chloride channel inhibitor derived from the red sap of the South American plant Croton lechleri, for symptomatic relief of noninfectious diarrhea in patients with HIV taking antiretroviral drugs. It is the first drug approved for relief of antiretroviral-induced diarrhea and the first oral botanical drug approved by the FDA.

Many different drugs are used for treatment of osteoarthritis pain, but none of them prevent progression of the disease. Nonpharmacologic approaches including weight management, exercise, tai chi, physical therapy, assistive devices, and total joint arthroplasty can also be used. The American College of Rheumatology (ACR) has published new guidelines for the management of osteoarthritis of the hip, hand, and knee.

Ever-increasing specialization has made it difficult for many physicians to keep up with therapeutic standards in intensive-care units (ICUs). This issue of Treatment Guidelines offers current recommendations for use of cardiovascular drugs in the ICU for treatment of hypertensive emergencies; shock, cardiac arrest or decompensated heart failure; and ventricular arrhythmias.

The FDA has approved two subcutaneously injected calcitonin gene-related peptide (CGRP) antagonists, fremanezumab-vfrm (Ajovy – Teva) and galcanezumab-gnlm (Emgality – Lilly), for migraine prevention in adults. Fremanezumab and galcanezumab are the second and third subcutaneously injected monoclonal antibodies that target the CGRP pathway to be approved by the FDA for this indication; erenumab-aooe (Aimovig), which targets the CGRP receptor, was the first.

Lodoxamide, a mast cell stabilizer, has been marketed in a 0.1% ophthalmic solution (Alomide - Alcon) for treatment of vernal keratoconjunctivitis.