Some due diligence on ulcerative proctitis/colitis:
Ulcerative Proctitis
Abstract
Ulcerative proctitis is an idiopathic mucosal inflammatory disease involving only the rectum and is therefore an anatomically limited form of ulcerative colitis. Diagnosis is made based on clinical presentation, endoscopic appearance, and histopathology. Additionally, other etiologies of proctitis are excluded. The course of the disease is variable ranging from complete resolution to easily maintained remission to frequent relapses or refractory disease. Extension of inflammatory changes involving the proximal colon occurs in some cases. Rectal 5-aminosalicylic acid (5-ASA) or steroids are the initial treatments of choice with oral 5-ASA, sulfasalazine, or steroids used for treatment failures or patients unable to tolerate rectally administered drugs. Immunomodulators like azathioprine and 6-mercaptopurine have been used successfully in small groups of patients who have not responded to 5-ASA or steroids. Oral or rectal 5-ASA products maintain remission but long-term steroid use should be avoided. Rare cases may require surgical therapy.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2780078/
Current and Future Therapies
Ulcerative colitis (UC) and Crohn’s disease (CD) are severe ailments affecting the digestive system.
UC is a gastrointestinal (GI) disease that is localized to the large intestine, or colon, where inflammation can affect either the entire organ or a portion of it. Approximately 1.86 billion patients have been diagnosed with UC globally, with 1.54 billion patients currently receiving treatment. Traditional therapies have yielded $4.18 billion in annual sales around the world, a figure expected to increase to $6.85 billion by 2022 with the approval of various pipeline drugs.
CD can affect any part of the GI tract, but most commonly involves both the large and small intestines. Although CD is more severe than UC, the global prevalence is much lower, with only 1.3 million patients diagnosed and 0.8 million who currently receive treatment. Still, traditional therapies have resulted in an impressive $3.17 billion in global market sales, which is predicted to increase to $4.20 billion by 2022.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4123809/
Foam preparations for the treatment of ulcerative colitis
Abstract
Patients with ulcerative colitis uniformly have disease involving the distal colon. When patients have disease limited to the left colon or symptoms suggestive of active rectal inflammation, guidelines recommend topical rectal therapies as first-line agents either as monotherapy or in conjunction with oral products. Rectal delivery modalities offer the advantage of delivering high local concentrations of active medication to the site of maximal inflammation with minimization of systemic side effects. Methods of rectal administration include suppositories, liquid enemas and foams. Suppositories are limited to the treatment of rectal disease, and patients often have difficulty retaining the liquid enema secondary to its high volume and consistency. Rectal foams reliability extend to the descending and sigmoid colon with application. Foams are further characterized by increased viscosity, lower volumes, finer dispersion on the colonic mucosa, and increased adhesiveness to the colonic mucosa compared with liquid enemas. Additionally, rectal foam agents demonstrate equal efficacy to their liquid enema counterparts yet consistently yield better patient tolerance, lower incidence of side effects, and increased patient acceptability. Currently available agents include 5-aminosalicylic acid and corticosteroids, both first and newer generation. This review focuses on clinical trials assessing efficacy, tolerability, and patient preferences for these agents as well as describing the currently available rectal foam products.
http://www.ncbi.nlm.nih.gov/pubmed/21235478
Potential Market
The global ulcerative colitis (UC) market value will increase steadily over the coming years, growing from almost $4.2 billion in 2012 to approximately $6.6 billion by 2022, at a Compound Annual Growth Rate (CAGR) of 4.7%, according to a new report from research and consulting firm GlobalData.
Johnson & Johnson (J&J) has been continually dominating the UC market due to the success of Remicade. However, Remicade’s patent is set to expire between 2015 and 2018, which will knock J&J’s sales down from approximately $2 billion in 2012 to $1.5 billion by 2022, according to GlobalData.
Another key player in the UC industry, AbbVie’s Humira, will also lose its patent during the forecast period, with sales slipping from $1.2 billion in 2012 to $569 million by 2022.
https://healthcare.globaldata.com/media-cente...globaldata
Ulcerative Proctitis
Abstract
Ulcerative proctitis is an idiopathic mucosal inflammatory disease involving only the rectum and is therefore an anatomically limited form of ulcerative colitis. Diagnosis is made based on clinical presentation, endoscopic appearance, and histopathology. Additionally, other etiologies of proctitis are excluded. The course of the disease is variable ranging from complete resolution to easily maintained remission to frequent relapses or refractory disease. Extension of inflammatory changes involving the proximal colon occurs in some cases. Rectal 5-aminosalicylic acid (5-ASA) or steroids are the initial treatments of choice with oral 5-ASA, sulfasalazine, or steroids used for treatment failures or patients unable to tolerate rectally administered drugs. Immunomodulators like azathioprine and 6-mercaptopurine have been used successfully in small groups of patients who have not responded to 5-ASA or steroids. Oral or rectal 5-ASA products maintain remission but long-term steroid use should be avoided. Rare cases may require surgical therapy.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2780078/
Current and Future Therapies
Ulcerative colitis (UC) and Crohn’s disease (CD) are severe ailments affecting the digestive system.
UC is a gastrointestinal (GI) disease that is localized to the large intestine, or colon, where inflammation can affect either the entire organ or a portion of it. Approximately 1.86 billion patients have been diagnosed with UC globally, with 1.54 billion patients currently receiving treatment. Traditional therapies have yielded $4.18 billion in annual sales around the world, a figure expected to increase to $6.85 billion by 2022 with the approval of various pipeline drugs.
CD can affect any part of the GI tract, but most commonly involves both the large and small intestines. Although CD is more severe than UC, the global prevalence is much lower, with only 1.3 million patients diagnosed and 0.8 million who currently receive treatment. Still, traditional therapies have resulted in an impressive $3.17 billion in global market sales, which is predicted to increase to $4.20 billion by 2022.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4123809/
Foam preparations for the treatment of ulcerative colitis
Abstract
Patients with ulcerative colitis uniformly have disease involving the distal colon. When patients have disease limited to the left colon or symptoms suggestive of active rectal inflammation, guidelines recommend topical rectal therapies as first-line agents either as monotherapy or in conjunction with oral products. Rectal delivery modalities offer the advantage of delivering high local concentrations of active medication to the site of maximal inflammation with minimization of systemic side effects. Methods of rectal administration include suppositories, liquid enemas and foams. Suppositories are limited to the treatment of rectal disease, and patients often have difficulty retaining the liquid enema secondary to its high volume and consistency. Rectal foams reliability extend to the descending and sigmoid colon with application. Foams are further characterized by increased viscosity, lower volumes, finer dispersion on the colonic mucosa, and increased adhesiveness to the colonic mucosa compared with liquid enemas. Additionally, rectal foam agents demonstrate equal efficacy to their liquid enema counterparts yet consistently yield better patient tolerance, lower incidence of side effects, and increased patient acceptability. Currently available agents include 5-aminosalicylic acid and corticosteroids, both first and newer generation. This review focuses on clinical trials assessing efficacy, tolerability, and patient preferences for these agents as well as describing the currently available rectal foam products.
http://www.ncbi.nlm.nih.gov/pubmed/21235478
Potential Market
The global ulcerative colitis (UC) market value will increase steadily over the coming years, growing from almost $4.2 billion in 2012 to approximately $6.6 billion by 2022, at a Compound Annual Growth Rate (CAGR) of 4.7%, according to a new report from research and consulting firm GlobalData.
Johnson & Johnson (J&J) has been continually dominating the UC market due to the success of Remicade. However, Remicade’s patent is set to expire between 2015 and 2018, which will knock J&J’s sales down from approximately $2 billion in 2012 to $1.5 billion by 2022, according to GlobalData.
Another key player in the UC industry, AbbVie’s Humira, will also lose its patent during the forecast period, with sales slipping from $1.2 billion in 2012 to $569 million by 2022.
https://healthcare.globaldata.com/media-cente...globaldata
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