Gastroenterology

The 2023 Asembia Specialty Pharmacy Summit featured Juliana (Julie) Reed, executive director of the Biosimilars Forum, who spoke on the challenges still facing the biosimilars industry and how they may impact the success of adalimumab biosimilars in the United States.

In the first edition of Samsung Bioepis’ Biosimilar Market Report, the company outlined the current state of the US biosimilars market and how increasing adoption has had an impact on pricing changes for biosimilars and their reference products.

Nonmedical switches from Humira (reference adalimumab) to a biosimilar or an adalimumab biosimilar to another biosimilar resulted in nocebo effect responses, suggesting that more communication between providers and patients is needed, according to a real-world analysis.

A retrospective study in Scotland found that multiple successive changes from originator infliximab to biosimilars seem to be safe and effective in patients with inflammatory bowel disease (IBD), irrespective of the number of switches.

In a complete response letter (CRL) for Alvotech, the FDA cited “deficiencies” in the company’s manufacturing facility during a reinspection, further delaying the approval for the ninth adalimumab biosimilar until potentially June 2023.

Although 75% of gastroenterologists believed that the efficacy of biosimilars and biologics were the same, most clinicians still preferred the brand name drug option.

The European Union gained another high-concentration adalimumab biosimilar with the approval of Sandoz’ Hyrimoz HCF and the FDA accepted a biologics license application for a trastuzumab biosimilar (HLX02).

Although rheumatologists, dermatologists, and gastroenterologists rated their awareness of adalimumab biosimilars as high, a significant proportion of each group reported that they were not confident prescribing a biosimilar over the originator.

Yukon, 1 of 3 Canadian territories, announced that it will implement a biosimilars switching policy, following Newfoundland and Labrador’s announcement to move forward with a similar policy earlier this week.

Newfoundland and Labrador is the latest Canadian province to implement a biosimilar switching policy, following in the footsteps of Ontario and 7 other jurisdictions.

In the wake of adalimumab biosimilars hitting the US market, Sophia Z. Humphreys, PharmD, MHA, BCBBS, of Sutter Health, hyped up the current biosimilar market trends and the other products coming down the pipeline during her talk at the Festival of Biologics.

At the American Academy of Dermatology annual meeting, Samsung Bioepis shared positive results from a phase 1 study comparing its ustekinumab biosimilars (SB17) with the reference product (Stelara).

More and more women are becoming pregnant while on anti–tumor necrosis factor (TNF) biosimilars used to treat inflammatory disorders. However, there is “little data” on the safety and effectiveness of biosimilars in pregnancy, according to authors of a recent retrospective study.

In a report from CVS Health, interchangeability will not be a primary factor in driving the adoption of adalimumab biosimilars referencing Humira, contradicting predictions from other sources that believe the designation will impact prescribing habits.

The FDA and the European Medicines Agency (EMA) accepted applications for a trastuzumab biosimilar and an ustekinumab biosimilar, respectively, and Altos Biologics completed patient enrollment for a phase 3 trial assessing an aflibercept biosimilar.

At the European Crohn’s and Colitis Organisation congress, Celltrion Healthcare shared positive safety and efficacy data on maintenance therapy including its infliximab biobetter allowing for subcutaneous administration, Remsima SC.

On this episode of Not So Different, we chronicle the latest gastroenterology news from February, including several updates on adalimumab and infliximab biosimilars and industry analyses on the utilization of these drugs and patient confidence in gastroenterologists’ recommendations.

As a new wave of biosimilars to treat inflammatory bowel disease— an umbrella term for Crohn disease and ulcerative colitis—enter the US market, a lot of clinical and policy news regarding adalimumab and infliximab biosimilars emerged throughout the month of February.

Patients with rheumatoid arthritis (RA) and inflammatory bowel disease (IBD) have similar positive attitudes towards biologics and both trust their specialists’ recommendations, according to a recent survey conducted in Australia.

In Cardinal Health’s 2023 Biosimilars Report, more than 60% of surveyed providers said they would only want to prescribe adalimumab biosimilars with interchangeability designations, suggesting the label may have a greater impact on uptake than originally expected.

Fresenius Kabi announced a global partnership with Formycon for an ustekinumab biosimilar; Similis Bio partners with Novel351K to co-develop 3 biosimilars; and Celltrion Healthcare launched its bevacizumab biosimilar in Japan.

Formycon shared positive data on its Eylea (aflibercept) biosimilar; Sandoz received a thumbs up from the European Union’s Committee for Medicinal Products for Human Use (CHMP); and Shanghai Henlius Biotech began a phase 1 study for its daratumumab biosimilar candidate.

Vizient’s Pharmacy Market Outlook report examined the impact that factors, such as the COVID-19 pandemic and the US market introduction of adalimumab biosimilars, will have on drug prices and the utilization of lower-cost biologics.

Amgen’s Amjevita (adalimumab-atto) has officially entered the US market, making it the first of potentially 10 biosimilars referencing Humira to launch in 2023.

Saudi Arabia approved an adalimumab biosimilar, a denosumab biosimilar entered the market in the Republic of Korea, and Dr. Reddy’s Laboratories announced the completion of a phase 3 study for its rituximab biosimilar.

Alvotech, an Iceland-based company, announced that the FDA accepted its biologics license application (BLA) for its proposed ustekinumab biosimilar referencing Stelara. The company said it expects the FDA’s decision in the second half of 2023.

Celltrion Healthcare submitted a biologics license application (BLA) to the FDA for its biobetter of its infliximab biosimilar allowing for subcutaneous administration (Remsima SC).

Health Canada has approved the high-concentration version of Samsung Bioepis and Organon’s Hadlima, a citrate-free adalimumab biosimilar referencing Humira.

A study assessing the use of tumor necrosis factor (TNF) alpha inhibitor biosimilars in France found that the biosimilar penetration rate was higher for infliximab compared to etanercept and adalimumab. The authors said they aimed to understand the key drivers for biosimilar use to improve biosimilar uptake in France.

Janssen filed a lawsuit against Amgen, claiming the latter infringed on the former’s patents when creating its ustekinumab biosimilar, and Express Scripts announced that it would add adalimumab biosimilars to formulary.