Novo Nordisk has secured approval for Liraglutide powder (liraglutide) from the US Food and Drug Administration (FDA) to treat paediatric patients aged ten years or older with type 2 diabetes.
Victoza is claimed to be the first non-insulin drug approved to treat the condition in paediatric patients. It has been used for adult patients since 2010.
Acting director at the FDA Center for Drug Evaluation and Research’s Division of Metabolism and Endocrinology Products (DMEP) Lisa Yanoff said: “Victoza has now been shown to improve blood sugar control in paediatric patients with type 2 diabetes.
“The expanded indication provides an additional treatment option at a time when an increasing number of children are being diagnosed with this disease.”When administered, Victoza works by creating the same effects in the body as the glucagon-like peptide (GLP-1) receptor protein in the pancreas and improves blood sugar levels.
Victoza slows digestion, prevents the liver from making too much glucose, and helps the pancreas produce more insulin when needed.
It can also be used to reduce the risk of major adverse cardiovascular (CV) events in adults with type 2 diabetes and established CV disease.
Novo Nordisk carried out several placebo-controlled trials in adults and one placebo-controlled trial with 134 pediatric patients to evaluate the efficacy and safety of Victoza for reducing blood sugar in patients with type 2 diabetes.
The drug is not a substitute for insulin and is not indicated for patients with type 1 diabetes or those with diabetic ketoacidosis. No clinical trials were conducted to study the effect of the drug on major adverse CV events in paediatrics.
LISBON – The investigational glucagon-like peptide (GLP)-1 receptor agonist semaglutide added to standard care for type 2 diabetes mellitus (T2DM) resulted in clinically significant weight loss over 2 years in the SUSTAIN-6 phase 3 trial.
Participants treated with semaglutide in the study lost an average of
3.6 to 4.9 kg, depending on the dose they were given (0.5 mg or 1.0
mg), which was significantly (P less than .0001) more than those who
were randomized to matching placebos (-0.7 mg and -0.5 mg).“A
dose-response effect was observed on weight loss with semaglutide
treatment,” study investigator Agostino Consoli, MD, reported at the
annual meeting of the European Association for the Study of Diabetes.
Semaglutide is under development by Novo Nordisk and is currently under
review by regulatory agencies in the United States, Europe, and Japan.
It has 94% homology to human GLP-1 and modifications have been made to
help it avoid degradation and which give it a half-life that allows it
to be given once a week.
SUSTAIN 6 is part of an ongoing phase 3
program and is a long-term outcome study with the primary objective of
evaluating the cardiovascular safety of semaglutide. Effects on macro-
and microvascular complications, glycemic control, body weight, body
mass index and weight circumference are key secondary endpoints,
together with assessment of its overall safety and tolerability.GHRP-2 powder,GHRP 2 powder
Other trials in the program, have evaluated treatment with semaglutide
as monotherapy (SUSTAIN 1; Lancet Diabetes Endocrinol. 2017;5:251-60) or
versus other treatments including sitagliptin (Januvia, Merck; SUSTAIN
2; Lancet Diabetes Endocrinol. 2017;5:341-54), exenatide extended
release (Bydureon, AstraZeneca; SUSTAIN 3), or insulin glargine (SUSTAIN
4), as add-on to basal insulin with or without metformin (SUSTAIN 5),
and most recently, versus dulaglutide (Trulicity, Eli Lilly; SUSTAIN 7).
SUSTAIN 6 involved 3,297 people with T2DM with established cardiovascular disease or chronic kidney disease or otherwise identified as being at increased cardiovascular risk, according to Dr. Consoli, who is an endocrinologist and professor at the University of Chieti-Pescara, Italy. The results of the primary endpoint have been reported (N Engl J Med. 2016; 375:1834-44) and showed that the composite rate of cardiovascular death, nonfatal myocardial infarction, or nonfatal stroke was significantly lower among patients receiving semaglutide than among those receiving placebo. The hazard ratio for the reduction in the composite endpoint was 0.74 (95% CI, 0.58-.95; P less than .001 for noninferiority).
Results of the secondary analyses reported by Dr. Consoli at EASD 2017 showed that semaglutide could help more patients than placebo achieve significant weight loss, which could help further reduce their cardiovascular risk. He reported that a 5% or greater weight loss at 2 years was achieved by 36% and 47% of patients treated with semaglutide 0.5 mg and 1 mg groups, respectively, and by 18% and 19% of patients in the matching placebo groups (P less than .0001 for both comparisons). A 10% or greater weight loss was achieved by 13% and 21% of the semaglutide-treated patients and by 6% and 7% of those given placebo.
“The effect of weight was not dependent on BMI [body mass index] at baseline,” Dr. Consoli said, emphasizing that there was a consistent reduction in the weight in all BMI categories. Importantly, Dr. Consoli observed, the effects of semaglutide on weight seen were not driven by just a few patients losing weight, and around 80% of patients in the study experienced some degree of weight loss.
“As expected, the subjects treated with the GLP-1a had more GI [gastrointestinal] effects,” Dr. Consoli reported. Nausea or vomiting were reported in twice as many patients treated with semaglutide 0.5 mg (21.9%) and 1 mg (27.3%) as their placebo-matched counterparts (10.8% and 10.6%).
A post-hoc analysis found that the effect of semaglutide on weight loss was not likely to be down to these side effects, however, with a similar weight reductions seen in those who did and did not experience nausea or vomiting. The “estimated natural direct effect of treatment” was -2.75 kg for the 0.5 mg dose and -4.32 for the 1 mg dose of semaglutide versus their placebos Dr. Consoli said. GI drove the weigjht loss to a small degree; -0.12 kg and -0.04 kg of weight loss seen in the 0.5 mg and 1 mg semaglutide groups versus their placebos could be ascribed to nausea or vomiting.
In a poster presentation at the meeting, data on another post-hoc analysis from the SUSTAIN phase 3 program were reported. In a responder analysis of T2DM patients achieving glycemic and weight loss thresholds, a greater proportion of those treated with semaglutide achieved clinically meaningful reductions in both glycated hemoglobin (HbA1c) and body weight than those given comparator treatments.
The composite endpoint of at least a 1% reduction in HbA1c and a 5% or greater decrease in body weight was achieved by 25%–35% of patients treated with the 0.5 mg dose of semaglutide, by 38%–56% of those given the higher dose, and by 2%–13% or all comparators (P less than .0001). The higher dose of semaglutide also allowed more people to achieve this endpoint than the lower dose.
Novo Nordisk supported the study. Dr. Consoli disclosed receiving research funding from AstraZeneca and Novo Nordisk and speaker’s bureau or consultation fees from AstraZeneca, Boehringer Ingelheim, Eli Lilly & Co., Merck, Sharp & Dohme, Novartis, Sanofi-Aventis, and Takeda.
Last week, Theratechnologies Inc. began marketing a new medicine called tesamorelin (Egrifta)—licensed for the treatment of excess belly fat in some HIV-positive people. Tesamorelin powder causes the body to produce growth hormone and, as a result, most tesamorelin users can lose some degree of belly fat.
Summary
Tesamorelin is a small molecule that stimulates the brain to produce growth hormone. This hormone helps to reduce the amount of fat in the belly of some HIV-positive people. Tesamorelin does not affect the fatty layer just under the skin (subcutaneous fat) in the face or other parts of the body. Prior to prescribing tesamorelin, Health Canada requires physicians to request a CT scan of a patient’s abdomen to confirm the presence of excess belly fat. Tesamorelin is injected under the skin once daily. In clinical trials, participants who had previously lost belly fat while taking tesamorelin had belly fat return when they stopped taking the drug. In Canada, tesamorelin is expected to cost about $3,000 per patient per month.
Some notes on belly fat, growth hormone and HIV
The fat that accumulates within the belly is called visceral fat. In general, among adults, as the amount of belly fat increases, production of growth hormone decreases. Studies from the 1980s and early-to-mid-1990s suggested that some HIV-positive adults produced lower-than-ideal levels of growth hormone. This reduced production of growth hormone led to changes in the composition of the body—an accumulation of belly fat and a loss of some lean tissue (muscle).
About tesamorelin
Tesamorelin is a small molecule (called a peptide). This drug stimulates a gland in the brain, called the pituitary gland, to release growth hormone. Increased production of growth hormone can cause excess belly fat to diminish.
Clinical trials with HIV-positive people
Tesamorelin has been tested in more than 800 HIV-positive people in well-designed clinical trials. Many participants used tesamorelin for between six and 12 months. This usually resulted in a significant decrease in belly fat compared to placebo (fake tesamorelin). There was a small increase in muscle mass among tesamorelin users and no loss of subcutaneous fat. Levels of triglycerides, a fatty substance in the blood, decreased modestly among tesamorelin users.
When participants who had previously received tesamorelin were instead given placebo, all of the beneficial effects of tesamorelin disappeared.
The hormone insulin is used to help regulate blood sugar levels. After initiating therapy with tesamorelin, the body’s ability to respond to insulin may change. During clinical trials, participants who received tesamorelin were more likely to develop elevated levels of blood sugar because their bodies became less sensitive to the effects of insulin. However, among participants who took tesamorelin for up to one year, problems with blood sugar levels generally resolved.
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For the past four weeks, I’ve woken up, stumbled out of bed into the
kitchen, opened the refrigerator, fetched a tiny bottle of something
called “BPC-157” and proceeded to stab myself with an insulin syringe to
inject it into various parts of my body.
OK, OK, lest you be
donning a white lab coat and cringing from that simple description, then
I’ll be more specific: a peptide is a compound consisting of two or
more amino acids linked in a chain, the carboxyl group of each acid
being joined to the amino group of the next by a bond like this: OC-NH.
In the case of BPC 157 powder, the peptide is a sequence of amino acids with a molecular formula of 62 carbons, 98 hydrogens, 16 nitrogens, and 22 oxygen atoms (C62-H98-N16-O22).
Should you care to know the nitty-gritty specifics, that comes out to a fifteen amino acid sequence of the following:
L-Valine, glycyl-L-alpha-glutamyl-L-prolyl-L-prolyl-L-prolylglycyl-L-lysyl-L-prolyl-L-alanyl-L-alpha-aspartyl-L-alpha-aspartyl-L-alanylglycyl-L-leucyl-; glycyl-L-alpha-glutamyl-L-prolyl-L-prolyl-L-prolylglycyllysyl-L-prolyl-L-alanyl-L-alpha-aspartyl-L-alpha-aspartyl-L-alanylglycyl-L-leucyl-L-valine.
Yep, that’s the long, fancy name for BPC-157.
BPC, for reasons you’re about to discover, stands for “Body Protecting Compound”. Your body already makes it in your own gastric juices in very small amounts, where it serves to protect and heal your gut. But if you can get the super concentrated version and get it into your system, it has an extremely high level of biological healing activity just about anywhere you put it
And if many of the amino acids above look familiar to you, there’s
good reason. I’ve talked about them before. I’ve used them orally for
quite some time to heal injuries more quickly, to keep the body in
anabolic state during or post-exercise, and to stave off central nervous
system fatigue during long bouts of exercise. I have a quite
comprehensive article about the oral use of amino acid tablets here.
BPC-157 is surprisingly free of side effects, and has been shown in
research that’s been happening since 1991 to repair tendon, muscle,
intestines, teeth, bone and more, both in in-vitro laboratory
“test-tube” studies, in in-vivo human and rodent studies, and when used
orally or inject subcutaneously (under your skin) or intramuscularly
(into your muscle).
BPC-157 is also known as a “stable gastric
pentadecapeptide”, primarily because it is stable in human gastric
juice, can cause an anabolic healing effect in both the upper and lower
GI tract, has an antiulcer effect, and produces a therapeutic effect on
inflammatory bowel disease (IBD) – all again surprisingly free of side
effects.
As demonstrated in the research studies cited above, BPC-157 also accelerates wound healing, and, via interaction with the Nitric Oxide (NO) system, causes protection of endothelial tissue and an “angiogenic” (blood vessel building) wound healing effect. This occurs even in severely impaired conditions, such as in advanced and poorly controlled irritable bowel disease, in which it stimulates expression of genes responsible for cytokine and growth factor generation and also extracellular matrix (collagen) formation, along with intestinal anastomosis healing, reversal of short bowel syndrome and fistula healing – all of which can extremely frustrating issues in people who have gut pain, constipation, diarrhea and bowel inflammation.