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FDA approves Terlipressin injection for Hepatorenal Syndrome

The US FDA has approved terlipressin (Terlivaz), the first and only drug approved for patients with hepatorenal syndrome (HRS). HRS is characterized by a progressive deterioration in kidney function in people with advanced liver disease. Terlipressin is an injectable synthetic vasopressin analogue indicated for patients with HRS who are experiencing rapid deterioration of kidney function (type 1 HRS).

The most commonly observed adverse reactions that occurred in at least 4% of patients treated with terlipressin were abdominal pain (19.5%), nausea (16%), respiratory failure (15.5%), diarrhea (13%), and dyspnea (12.5%).

FDA approves daxibotulinumtoxinA-lanm injection for glabellar lines

The US FDA has approved daxibotulinumtoxinA-lanm injection (Daxxify) to temporarily improve the appearance of moderate to severe glabellar lines (frown lines) in adults.

Action: It’s an acetylcholine release inhibitor and neuromuscular blocking agent, is the first peptide-formulated, long-acting neuromodulator approved for this indication.

Adverse effects: headache (6%), eyelid ptosis (2%), and facial paresis, including facial asymmetry (1%).

Contraindicated in adults with hypersensitivity to any botulinum toxin preparation.

FDA approves first gene therapy for Beta-Thalassemia

The US FDA has approved the gene therapy betibeglogene autotemcel (Zynteglo) for adult and pediatric patients with beta-thalassemia who require regular red blood cell transfusions. Functional copies of the mutated gene are inserted into patient’s hematopoietic stem cells via a replication-defective lentivirus. A one-time gene therapy cost $2.8 million. Adverse events such as abdominal pain, hot flush, dyspnea, tachycardia, noncardiac chest pain, and cytopenias were noted.

A novel Langya virus infects 35 people in eastern China

A novel zoonotic RNA Langya virus (LayV) is a henipavirus first detected in the China provinces of Shandong and Henan. The name of the virus refers to Mt. Langya.

Symptoms: fever, fatigue, cough

Langya henipavirus affects humans, dogs, goats, and its presumed original host are shrews.

Lab findings in patients: thrombocytopenia, leukopenia, impaired liver and kidney function test.

Treatment: No specific drug or vaccination only supportive care.

Monkeypox : Signs, Symptoms & Treatment

Monkeypox is a zoonotic orthopoxvirus.

Usual onset: 5–21 days post-exposure.

Duration: 2 to 4 weeks.

Route: Human-to-human transmission, exposure to infected body fluids or contaminated objects by small droplets through the airborne route.

Symptoms: Fever, headache, muscle pains, shivering, mostly nonitchy blistering rash on face, hands, soles and swollen lymph nodes.

Complications: Secondary infections, eye infection, visual loss, scarring, encephalitis, sepsis, bronchopneumonia.

Types: Central African (Congo Basin), West African

Diagnosis: Testing for viral DNA PCR

Differential diagnosis: Chickenpox, smallpox

Prevention: Smallpox vaccine, hand washing, covering rash, PPE

Treatment: Supportive, antivirals, vaccinia immune globulin

Medication: Tecovirimat

FDA approves Crizotinib for Myofibroblastic Tumors

The US FDA approves crizotinib (Xalkori) for the treatment of unresectable, recurrent, or refractory inflammatory anaplastic lymphoma kinase (ALK)-positive myofibroblastic tumors (IMT) in adults and children over 1 year of age.

Crizotinib is a selective tyrosine kinase inhibitor currently approved for the treatment of metastatic non-small cell lung cancer in patients whose tumors are positive for ALK or ROS1 as detected by an FDA-approved test, and for ALD-positive anaplastic large cell lymphoma.

Adverse reactions occurring in 35% or more pediatric patients included vomiting, nausea, diarrhea, abdominal pain, rash, vision disorder, upper respiratory tract infection, cough, pyrexia, musculoskeletal pain, fatigue, edema, constipation, and headache.

Source: Medscape

Dabrafenib Trametinib approved for metastatic tumors with BRAF V600E mutation

The US FDA has approved dabrafenib + trametinib for adult and pediatric patients aged 6 years and older with unresectable or metastatic solid tumors with the BRAF V600E mutation whose disease has progressed following prior treatment and who have no satisfactory alternative treatment options.

The combination represents “the first and only BRAF/MEK inhibitor to be approved with a tumor-agnostic indication for solid tumors carrying the BRAF V600E mutation, which drives tumor growth in more than 20 different tumor types, and it is the only BRAF/MEK inhibitor approved for use in pediatric patients.

The combination already carries indications for BRAF-mutated melanoma, non–small cell lung cancer, and thyroid cancer. The new approval was based on two adult trials and one pediatric trial that showed an overall response benefit for patients with high- and low-grade gliomas, biliary tract cancers, and certain gynecologic and gastrointestinal cancers.

Source: Medscape

FDA approves Setmelanotide for obesity in Bardet-Biedl Syndrome

The US FDA has approved Setmelanotide, a melanocortin-4 receptor (MC4R) agonist, is the first FDA-approved therapy for BBS, a rare genetic disorder that impairs a hunger signal along the melanocortin-4 receptor (MC4R) pathway.

Individuals with Bardet-Biedl Syndrome typically have obesity that starts at age 1 along with insatiable hunger (hyperphagia). Available weight management options are generally unsuccessful. Other symptoms may include retinal degeneration, reduced kidney function, or extra digits of the hands or feet.

The most common adverse reactions (with an incidence ≥ 20%) included skin hyperpigmentation, injection site reactions, nausea, headache, diarrhea, abdominal pain, vomiting, depression, and spontaneous penile erection.

Source: Medscape

Massive breakthrough as rectal cancer disappears in every patient in drug trial

Patients with locally advanced rectal cancer and tumors with deficient mismatch repair (dMMR) have shown a remarkable response to treatment with the programmed cell death-1 (PD-1) inhibitor dostarlimab (Jemperli).

So far, the study has involved only 12 patients, but all of them have had a clinical complete response to treatment. They continue to show no signs of cancer (during follow-up ranging from 6 to 25 months) and have not undergone surgery or had radiation and chemotherapy, which are the standard treatment approaches.

Dostarlimab is already approved by the US Food and Drug Administration for use in the treatment of recurrent or advanced endometrial cancer with dMMR. Rectal cancer is an off-label use.

All patients had mismatch repair-deficient stage 2 or 3 rectal adenocarcinoma. The authors note that these tumors respond poorly to standard chemotherapy regimens, including neoadjuvant chemotherapy. The median age of enrolled patients was 54 years and 62% were women.

Source: NEJM

IN.PACT 018 Drug-Coated Balloon approved for PAD

The US FDA has approved the IN.PACT 018 drug-coated balloon (DCB) for the treatment of peripheral arterial disease.

The paclitaxel-coated balloon is indicated for percutaneous transluminal angioplasty of de novo, restenotic, or in-stent restenotic lesions up to 360 mm in length with vessel diameters of 4 to 7 mm, located in the superficial femoral and popliteal arteries.

The IN.PACT 018 DCB is built on the same technology as the IN.PACT Admiral DCB (0.035 inch guidewire compatible), but is engineered to cross tight lesions, provide better deliverability, and is 0.018 inch guidewire compatible.

Source: Medscape

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