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Tag: drug trials

  • ‘Miracle drug’ euphoria: Experts warn widespread use of weight loss medicine faces major hurdles

    ‘Miracle drug’ euphoria: Experts warn widespread use of weight loss medicine faces major hurdles

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    Two experts see major challenges facing the adoption of new obesity drugs.

    Dr. Kavita Patel, a physician and NBC News medical contributor, believes fresh data from Novo Nordisk on Ozempic’s ability to delay the progression of chronic kidney disease is among the strongest supporting evidence for secondary uses of the drug.

    However, she considers data supporting the use of obesity drugs for other conditions including Alzheimer’s and alcohol addiction as underdeveloped.

    “Those trials … are nowhere near as robust as the data we have on [Novo Nordisk trial] FLOW, on sleep apnea, cardiovascular risks, on diabetes control — double-blind placebo, randomized controlled trials that are incredible,” she told CNBC’s “Fast Money” on Wednesday. “We have a long way to go for that. I’ve seen a lot of miracle drugs before.”

    Novo Nordisk halted FLOW on Tuesday. According to the company’s press release, it happened more than a year after an interim analysis showed that Ozempic could treat chronic kidney disease in Type 2 diabetic patients.

    As of Friday’s close, Novo Nordisk is up 9.82% since its announcement. Its obesity drug maker competitor Eli Lilly is up 5.16% in the same period.

    Patel believes efficacy is just one of the major hurdles the medication needs to clear before it can be approved for uses outside of diabetes management.

    “We know this drug works really well in diabetics. But there are so many barriers to getting there —including cost, adherence, prescriber rate,” said Patel, who also served as a White House Health Policy Director under President Obama.

    Patients opting to use GLP-1 drugs — a group of medications initially designed to control diabetes — for weight management often must pay out-of-pocket.

    “Right now, we are seeing active employers, entire states that are declining to cover on the weight loss indication,” Patel said.

    What other industries could weight loss drugs disrupt?

    If the U.S. Food and Drug Administration approves Ozempic for use in Type 2 diabetics with chronic kidney disease, which Patel believes will happen, it could force the hand of insurance companies to expand their coverage of the drug.

    “We’ll see a final package of data that will just be so compelling, that it would be wrong not to cover this, because it should be superior to what we have available to us,” she noted. “That is something that I think the insurance companies will have a difficult time [with].”

    Mizuho Health Care Sector Strategist Jared Holz also expects challenges related to insurance coverage as more patients begin taking GLP-1 drugs, which could limit overall adoption.

    “The payers, at some point, are going to be saying, ‘We get it, but we cannot pay for these at this volume without seeing the benefit, which may be 10 years from now, 20 years from now, 30.’ We have no idea when the offset is going to be,” he also told CNBC’s “Fast Money.”

    Holz also pointed out the divide emerging in the health care sector between Novo Nordisk, Eli Lilly and their pharmaceutical peers.

    “We haven’t seen this kind of valuation disconnect between the peer group, maybe in the history of the sector,” he said.

    The growth trend may not be sustainable for Novo Nordisk and Eli Lilly, based on current supply constraints that have left patients unable to secure dosages.

    “The companies can’t make enough, I don’t think, to actually put out revenue that’s going to appease investors, given where the stocks are trading,” said Holz.

    A Novo Nordisk spokesperson did not offer a comment due to the company’s quiet period ahead of earnings. Eli Lilly did not immediately respond to a request for comment.

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  • AI ‘Simulants’ Could Save Time and Money on New Medications

    AI ‘Simulants’ Could Save Time and Money on New Medications

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    Nov. 30, 2022 – Artificial intelligence is poised to make clinical trials and drug development faster, cheaper, and more efficient. Part of this strategy is creating “synthetic control arms” that use data to create “simulants,” or computer-generated “patients” in a trial. 

    This way, researchers can enroll fewer real people and recruit enough participants in half the time. 

    Both patients and drug companies stand to gain, experts say. An advantage for people, for example, is simulants get the standard-of-care or placebo treatment, meaning all people in the study end up getting the experimental treatment. For drug companies unsure of which of their drug candidates hold the most promise, AI and machine learning can narrow down the prospects. 

    “So far, machine learning has primarily been effective at optimizing efficiency – not getting a better drug but rather optimizing the efficiency of screening. AI uses the learnings from the past to make drug discovery more effective and more efficient,” says Angeli Moeller, PhD, head of data and integrations generating insights at drugmaker Roche in Berlin, and vice chair of the Alliance for Artificial Intelligence in Healthcare board. 

    “I’ll give you an example. You might have a thousand small molecules and you want to see which one of them is going to bind to a receptor that’s involved in a disease. With AI, you don’t have to screen thousands of candidates. Maybe you can screen just one hundred,” she says.

    ‘Synthetic’ Trial Participants

    The first clinical trials to use data-created matches for patients – instead of control patients matched for age, sex or other traits – have already started. For example, Imunon Inc., a biotechnology company that develops next-generation chemotherapy and immunotherapy, used a synthetic control arm in its phase 1B trial of an agent added to pre-surgical chemotherapy for ovarian cancer.

    This early study showed researchers it would be worthwhile to continue evaluating the new agent in a phase 2 trial. 

    Using a synthetic control arm is “extremely cool,” says Sastry Chilukuri, co-CEO of Medidata, the company that supplied the data for the Phase 1B trial, and founder and president of Acorn AI.

    “What we have is the first FDA and EMA approval of a synthetic control arm where you’re replacing the entire control arm by using synthetic control patients, and these are patients that you pull out of historic clinical trial data,” he says.

    A Wave of AI-Boosted Research?

    The role of AI in research is expected to grow. To date, most AI-driven drug discovery research has focused on neurology and oncology. The start in these specialties is “probably due to the high unmet medical need and many well-characterized targets,” notes a March 2022 news and analysis piece in the journal Nature. 

    It speculated that this use of AI is just the start of “a coming wave.”

     “There is an increasing interest in the utilization of synthetic control methods [that is, using external data to create controls],” according to a review article in Nature Medicine in September.  

    It said the FDA already approved a medication in 2017 for a form of a rare pediatric neurologic disorder, Batten disease, based on a study with historical control “participants.”

    One example in oncology where a synthetic control arm could make a difference is glioblastoma research, Chilukuri says. This brain cancer is extremely difficult to treat, and patients typically drop out of trials because they want the experimental treatment and don’t want to remain in the standard-of-care control group, he says. Also, “just given the life expectancy, it’s very difficult to complete a trial.” 

    Using a synthetic control arm could speed up research and improve the chances of completing a glioblastoma study, Chilukuri says. “And the patients actually get the experimental treatment.”

    Still Early Days

    AI also could help limit “non-responders” in research.

    Clinical trials “are really difficult, they’re time-consuming, and they’re extremely expensive,” says Naheed Kurji, chair of the Alliance for Artificial Intelligence in Healthcare board, and president and CEO of Cyclica Inc, a data-driven drug discovery company based in Toronto. 

    “Companies are working very hard at finding more efficient ways to bring AI to clinical trials so they get outcomes faster at a lower cost but also higher quality.”

    There are a lot of clinical trials that fail, not because the molecule is not effective … but because the patients that were enrolled in a trial include a lot of non-responders. They just cancel out the responder data,” says Kurji. 

    “You’ve heard a lot of people talk about how we are going to make more progress in the next decade than we did in the last century,” Chilukuri says. “And that’s simply because of this availability of high-resolution data that allows you to understand what’s happening at an individual level.”

    “That is going to create this explosion in precision medicine,” he predicts.

    In some ways, it’s still early days for AI in clinical research. Kurji says, “There’s a lot of work to be done, but I think you can point to many examples and many companies that have made some really big strides.”

     

     

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