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Microbiota Transplantation Demonstrates How Gut Bacteria Contributes to Weight Loss and Beneficial Metabolic Effects with Gelesis’ Proprietary Hydrogel
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Gelesis (NYSE: GLS) presented new preclinical data at the American Diabetes Association’s annual conference showing that its proprietary superabsorbent hydrogel leads to weight loss and improved glucose tolerance in mice. This study demonstrated that microbiota transplants from Gel-B-treated mice to untreated mice resulted in weight loss, suggesting a potential mechanism for its metabolic benefits. This data follows earlier findings that hydrogel treatment positively affects gut microbiota composition, suggesting its application could extend to other metabolic conditions.
Positive
New preclinical data shows weight loss and metabolic benefits in mice treated with Gelesis' superabsorbent hydrogel.
Hydrogel treatment resulted in favorable changes in gut microbiota, contributing to weight loss.
Study indicates the hydrogel's potential to improve glucose tolerance and insulin sensitivity.
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None.
New preclinical data presented today at the American Diabetes Association’s annual conference suggests that the company’s superabsorbent hydrogel causes changes to the microbiota leading to weight loss and improvements in glucose tolerance and insulin sensitivity
BOSTON--(BUSINESS WIRE)--
Gelesis (NYSE: GLS), the maker of Plenity for weight management, presented new preclinical data showing weight loss and additional metabolic benefits in mice receiving a microbiota transplant from another group of mice, treated with one of the company’s proprietary hydrogels. These metabolic benefits occurred while both groups of mice, the donors of the microbiota transplant and the recipient mice, were on a high fat, high carbohydrate diet typically causing rapid weight gain, obesity, and diabetes. The findings were presented today at the American Diabetes Association’s annual conference.
Gelesis presented new preclinical data showing weight loss and additional metabolic benefits in mice receiving a microbiota transplant from another group of mice, treated with one of the company’s proprietary hydrogels. (Graphic: Business Wire)
Gelesis’ superabsorbent hydrogels are inspired by the composition (cellulose structures holding water) and mechanical properties (elasticity or firmness) of ingested raw vegetables. They are taken by capsules with water before a meal to create a much larger volume of small, non-aggregating hydrogel pieces that act locally in the digestive system without adding any additional calories. One of the hydrogels is commercially available as Plenity® to aid in weight management; others that utilize the same platform technology are in clinical and preclinical studies.
In April, Gelesis presented preclinical data at the World of Microbiome conference suggesting that adding superabsorbent hydrogel (Gel-B, an investigational candidate) to a high-fat “western-like” diet prevents unfavorable changes in the communities of gut bacteria associated with diet-induced weight gain. The study showed a striking effect on gut microbiota composition with enrichment of several key bacteria such as Akkermansia muciniphila, a bacterial species associated with gut health and weight loss. Importantly, an addible fiber (a modified cellulose), used as a positive control, did not support the growth of these species. This same type of modified cellulose is used to create Gelesis’ proprietary hydrogels. The difference in bacterial growth between the linear fiber and the 3-dimensional hydrogel suggests that the effects of the hydrogel on the microbiota are mainly mechanical (i.e. elastic response or firmness). In previous studies, administration of one of these hydrogels, in addition to a high-fat diet, blunted weight gain, reversed gut atrophy, improved metabolic parameters, and restored gut barrier.
This new study aimed to investigate whether transferring the microbiota from Gel B-treated mice into the gut of mice fed a high fat, high carbohydrate, high cholesterol (HFHCC) diet for 10 weeks could alleviate the detrimental effects of their diet.
“This study provides strong evidence that the modulation of the gut microbiome by Gelesis' superabsorbent hydrogel likely plays a mechanistic role in the weight loss and metabolic impact of this intervention,” said Maria Rescigno, PhD, Group Leader of the Mucosal Immunology and Microbiota Unit at Humanitas University in Milan, and one of the lead investigators on the study. “We found that the microbiota from animals with obesity consuming a high-fat diet can be modified with Gel-B treatment to become a ‘lean microbiota.’ We then found that this Gel-B induced lean microbiota was transmissible, as it caused weight loss in mice with obesity that were not treated by Gel-B.”
The study used intestinal microbiota transfer (IMT) to investigate the functional role of the gut microbiota to explain the metabolic effects associated with Gel-B treatment. Metabolic disease was induced in two cohorts of mice (“Donors” and “Recipients”) via consumption of a high fat, high cholesterol, high carbohydrate diet for 10 weeks. Donors either continued HFHCC or were treated with HFHCC plus Gel-B for 6 additional weeks. Fecal samples were processed from Donors every other day during weeks 2-6 of treatment. Recipients received either intestinal microbiota transfer from Gel-B-treated or untreated Donors. Recipients receiving IMT from untreated Donors continued to gain weight, while Recipients receiving IMT from Gel-B treated Donors lost weight, despite the continued consumption of HFHCC. Treating the recipients with intestinal microbiota of Gel B treated donors also resulted in improvement in glycemic control.
Gelesis Holdings Inc. (NYSE: GLS) (“Gelesis”) is a consumer-centered biotherapeutics company and the maker of Plenity®, which is inspired by nature and FDA cleared to aid in weight management. Our first-of-their-kind non-systemic superabsorbent hydrogels are made entirely from naturally derived building blocks. They are inspired by the composition and mechanical properties of raw vegetables, taken by capsule, and act locally in the digestive system, so people feel satisfied with smaller portions. Our portfolio includes Plenity® and potential therapies in development for patients with Type 2 Diabetes, Non-alcoholic Fatty Liver Disease (NAFLD)/Non-alcoholic Steatohepatitis (NASH), and Functional Constipation. For more information, visit gelesis.com, or connect with us on Twitter @GelesisInc.
Plenity® is indicated to aid weight management in adults with excess weight or obesity, a Body Mass Index (BMI) of 25–40 kg/m², when used in conjunction with diet and exercise.
Important Safety Information about Plenity
Patients who are pregnant or are allergic to cellulose, citric acid, sodium stearyl fumarate, gelatin, or titanium dioxide should not take Plenity.
To avoid impact on the absorption of medications:
For all medications that should be taken with food, take them after starting a meal.
For all medications that should be taken without food (on an empty stomach), continue taking on an empty stomach or as recommended by your physician.
The overall incidence of side effects with Plenity was no different than placebo. The most common side effects were diarrhea, distended abdomen, infrequent bowel movements, and flatulence.
Contact a doctor right away if problems occur. If you have a severe allergic reaction, severe stomach pain, or severe diarrhea, stop using Plenity until you can speak to your doctor.
Rx Only. For the safe and proper use of Plenity or more information, talk to a healthcare professional, read the Patient Instructions for Use, or call 1-844-PLENITY.
Forward-Looking Statements
Certain statements, estimates, targets and projections in this press release may constitute “forward-looking statements” within the meaning of the federal securities laws. The words “anticipate,” “believe,” continue,” “could,” “estimate,” “expect,” “intend,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “strive,” “would” and similar expressions may identify forward-looking statements, but the absence of these words does not mean that statement is not forward looking. Forward-looking statements are predictions, projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Forward-looking statements include, but are not limited to, statements regarding our or our management team’s expectations, hopes, beliefs, intentions or strategies regarding the future, including those relating to Gelesis’ business combination with Capstar Special Purpose Acquisition Corp. (“Capstar”) and its expected benefits, Gelesis’ performance following the business combination, the competitive environment in which Gelesis operates, the expected future operating and financial performance and market opportunities of Gelesis and statements regarding Gelesis’ expectations, hopes, beliefs, intentions or strategies regarding the future. In addition, any statements that refer to projections, forecasts, or other characterizations of future events or circumstances, including any underlying assumptions, are forward-looking statements. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and Gelesis assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise. Gelesis gives no assurance that any expectations set forth in this press release will be achieved. Various risks and uncertainties (some of which are beyond our control) or other factors could cause actual future results, performance or events to differ materially from those described herein. Some of the factors that may impact future results and performance may include, without limitation: (i) the size, demand and growth potential of the markets for Plenity® and Gelesis’ other product candidates and Gelesis’ ability to serve those markets; (ii) the degree of market acceptance and adoption of Gelesis’ products; (iii) Gelesis’ ability to develop innovative products and compete with other companies engaged in the weight loss industry; (iv) Gelesis’ ability to finance and complete successfully the commercial launch of Plenity® and its growth plans, including new possible indications and the clinical data from ongoing and future studies about liver and other diseases; (v) failure to realize the anticipated benefits of the business combination, including as a result of a delay or difficulty in integrating the businesses of Capstar and Gelesis; (vi) the ability of Gelesis to issue equity or equity-linked securities or obtain debt financing in the future; (vii) the outcome of any legal proceedings instituted against Capstar, Gelesis, or others in connection with the business combination; (viii) the ability of Gelesis to maintain its listing on the New York Stock Exchange; (ix) the risk that the business combination disrupts current plans and operations of Gelesis as a result of Gelesis being a publicly listed issuer; (x) the regulatory pathway for Gelesis’ products and responses from regulators, including the FDA and similar regulators outside of the United States; (xi) the ability of Gelesis to grow and manage growth profitably, maintain relationships with customers and suppliers and retain Gelesis’ management and key employees; (xii) costs related to the business combination, including costs associated with the Gelesis being a publicly listed issuer; (xiii) changes in applicable laws or regulations; (xiv) the possibility that Gelesis may be adversely affected by other economic, business, regulatory and/or competitive factors; (xv) Gelesis’ estimates of expenses and profitability; (xvi) ongoing regulatory requirements, (xvii) any competing products or technologies that may emerge, (xviii) the volatility of the telehealth market in general, or insufficient patient demand; (xix) the ability of Gelesis to defend its intellectual property and satisfy regulatory requirements; (xx) the impact of the COVID 19 pandemic on Gelesis’ business; (xxi) the limited operating history of Gelesis; (xxii) the potential impact of inflation on our operating expenses and costs of goods; and (xxiii) other important factors discussed in the “Risk Factors” section of Gelesis’ most recent Annual Report on Form 10-K, and in other filings that Gelesis makes with the Securities and Exchange Commission. These filings address other important risks and uncertainties that could cause actual results and events to differ materially from those contained in the forward-looking statements.
What were the findings of Gelesis at the American Diabetes Association's conference?
Gelesis presented data showing its superabsorbent hydrogel leads to weight loss and improved glucose tolerance in mice.
What is the significance of the microbiota transplant study by Gelesis?
The study demonstrated that transferring microbiota from hydrogel-treated mice resulted in weight loss in untreated mice, indicating potential metabolic benefits.
How does Gelesis' hydrogel contribute to weight management?
The hydrogel is designed to create a volume in the digestive system that helps individuals feel satisfied with smaller portions, aiding in weight management.
What diet were the mice on during Gelesis' study?
The mice were fed a high fat, high carbohydrate diet that typically leads to obesity and diabetes.
What is Gelesis' stock symbol?
Gelesis is traded under the stock symbol 'GLS' on the New York Stock Exchange.
