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Original Abstract of the Article

Major research findings

Crohn's disease is a chronic inflammatory bowel disease that can affect any part of the gastrointestinal tract, from the mouth to the anus. It is characterized by periods of flare-ups, when symptoms are worse, followed by periods of remission, when symptoms are less severe or absent ( 62 ). While there are effective treatments available, outcomes can be suboptimal due to factors such as nonadherence, medication intolerance, inconsistent monitoring, poor patient knowledge and limited access to care ( 62 ).

Perianal fistulas, which affect up to one-third of Crohn's patients, are a common and debilitating complication. These fistulas can lead to pain, drainage, and infection, and they are difficult to treat ( 69 ). Recent research suggests that early use of biologics, a type of medication that targets the immune system, can improve clinical outcomes in Crohn's disease ( 91 ).

Early surgery for Crohn's disease may reduce the risk of recurrence, especially for those who experience a longer time between diagnosis and surgery ( 1 ). For patients with Crohn's disease, particularly children, nutritional therapy, such as exclusive enteral nutrition, can be an effective treatment option that can induce remission, control inflammation, promote mucosal healing, and improve overall nutritional status ( 31 ).

Treatment summary

Crohn's disease treatment should be tailored to the individual patient, taking into account the severity of inflammation, location of disease, disease behavior, comorbidities, extra-intestinal manifestations, age, and previous therapies ( 90 ).

Treatments for Crohn's disease include anti-inflammatory drugs, immunosuppressants, biologics, antibiotics, corticosteroids, and nutritional therapy ( 94 , 19 , 17 , 31 , 27 ). Biologic therapies, such as certolizumab pegol, infliximab, and adalimumab, have shown significant benefits in inducing and maintaining remission in Crohn's disease ( 87 , 39 , 52 , 94 , 103 ).

While antibiotics have been used in Crohn's disease, their efficacy is not consistently demonstrated ( 17 ).

Benefits and risks

Benefits summary

The main benefit of treatment for Crohn's disease is to induce and maintain remission. Effective treatment can reduce the frequency and severity of flare-ups, improve quality of life, and reduce the need for surgery ( 94 , 62 , 52 , 48 ).

Risk summary

Treatments for Crohn's disease, especially biologics, can have side effects, such as infections, allergic reactions, and gastrointestinal issues. The risk of side effects should be weighed against the potential benefits of treatment ( 103 , 39 , 13 , 17 ).

Comparison of studies

Commonalities between studies

Many studies highlight the importance of individualized treatment plans for Crohn's disease, taking into account patient factors and disease characteristics ( 66 , 90 , 30 ).

The use of biologics as a treatment option for Crohn's disease is consistently explored in numerous studies ( 87 , 39 , 52 , 94 , 103 ).

Differences between studies

Research on Crohn's disease focuses on a variety of aspects, including the effectiveness and safety of different treatments, the impact of early treatment, the development of new treatment strategies, the role of nutrition, and the management of specific complications. These studies may use different methodologies and target diverse patient populations, making direct comparisons challenging ( 59 , 95 , 98 , 47 , 66 , 70 , 10 , 85 , 81 ).

Consistency and contradictions in the results

While there is a degree of consistency in research findings regarding the use of anti-inflammatory drugs, immunosuppressants, and biologics for Crohn's disease, contradictions can arise due to factors such as study design, participant characteristics, and specific treatment protocols ( 17 , 90 ).

Application to real life and cautionary notes

It is important to consult with a healthcare professional to discuss the best treatment options based on individual needs and disease characteristics ( 90 ). While medication is a crucial part of Crohn's disease management, lifestyle modifications such as dietary adjustments and regular exercise can also contribute to overall well-being ( 31 ).

Current limitations of the research

There is a need for more extensive and long-term research on the effectiveness and safety of various treatments for Crohn's disease, especially regarding potential long-term side effects of biologics and the development of new treatment strategies ( 91 , 103 ).

Future research directions

Future research should focus on refining treatment strategies, optimizing medication combinations, developing personalized medicine approaches, and investigating the potential of new therapies to address the specific needs of Crohn's disease patients ( 98 , 81 ).

Conclusion

Crohn's disease is a complex and challenging condition. Despite significant advances in treatment, ongoing research is vital to improve patient outcomes and develop more effective and safe therapies.

Treatment list

Anti-inflammatory drugs, immunosuppressants, biologics, antibiotics, corticosteroids, nutritional therapy, surgery, endoscopic dilation, exclusive enteral nutrition, budesonide, sulfasalazine, infliximab, adalimumab, certolizumab pegol, mesalazine, azathioprine, methotrexate, rifaximin, ciprofloxacin, ustekinumab, mycophenolate mofetil.


Keywords
Benefit Keywords
Risk Keywords
Literature analysis of 106 papers
Positive Content
94
Neutral Content
5
Negative Content
7
Article Type
41
32
54
39
106

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Author: EshuisEmma J, BemelmanWillem A, van BodegravenAd A, SprangersMirjam A G, BossuytPatrick M M, van Milligen de WitA W Marc, CrollaRogier M P H, CahenDjuna L, OostenbrugLiekele E, SosefMeindert N, VoorburgAnnet M C J, DavidsPaul H P, van der WoudeC Janneke, LangeJohan, MallantRosalie C, BoomMaarten J, LieverseRob J, van der ZaagEdwin S, HoubenMartin H M G, VechtJuda, PierikRobert E G J M, van DitzhuijsenTheo J M, PrinsHubert A, MarsmanWillem A, StockmannHenricus B, BrinkMenno A, ConstenEsther C J, van der WerfSjoerd D J, MarinelliAndreas W K S, JansenJeroen M, GerhardsMichael F, BolwerkClemens J M, StassenLaurents P S, SpanierB W Marcel, BilgenErnst Jan Spillenaar, van BerkelAnne-Marie, CenseHuib A, van HeukelemHenk A, van de LaarArnold, SlotWarner Bruins, EijsboutsQuirijn A, van OoteghemNancy A M, van WagensveldBart, van den BrandeJan M H, van GelovenAnna A W, BruinKarien F, MaringJohn K, OldenburgBas, van HillegersbergRichard, de JongDirk J, BleichrodtRobert, van der PeetDonald L, DekkersPascal E P, GoeiT Hauwy, StokkersPieter C F


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Author: Bar-MeirSimon


Treatment for Crohn's disease typically involves starting with less intensive medications and gradually increasing treatment as the disease worsens (step-up therapy). A newer approach, using biologics and thiopurines as initial treatment (top-down therapy), has been debated, but current recommendations favor the step-up approach. Budesonide is recommended for mild to moderate Crohn's disease, while mesalazine is only slightly better than placebo for small bowel disease. Antibiotics are only recommended for suspected infections. For mild symptoms, no treatment may be an option. Budesonide is preferred to prednisone for mild Crohn's disease as it has fewer side effects. Sulfasalazine and, if needed, steroids can be used for mild colon involvement. Topical treatment may be helpful for disease in the lower part of the colon. Corticosteroids effectively induce remission in Crohn's disease, with success rates of 60-83%. Azathioprine and 6-mercaptopurine are effective for maintaining remission. Methotrexate is another effective option. Once remission is achieved with steroids, long-term treatment with azathioprine is recommended. Mesalazine may reduce the risk of colon cancer, but this is not proven for Crohn's disease. Overall, most people with Crohn's disease have a relatively mild course, making step-up therapy a good approach. While most medications are as effective as infliximab but with fewer side effects, infliximab should be reserved for patients who haven't responded to other treatments.

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Author: de GroofE Joline, BuskensChristianne J, PonsioenCyriel Y, DijkgraafMarcel G W, D'HaensGeert R A M, SrivastavaNidhi, van AckerGijs J D, JansenJeroen M, GerhardsMichael F, DijkstraGerard, LangeJohan F M, WittemanBen J M, KruytPhilip M, PronkApollo, van TuylSebastiaan A C, BodelierAlexander, CrollaRogier M P H, WestRachel L, VrijlandWietske W, ConstenEsther C J, BrinkMenno A, TuynmanJurriaan B, de BoerNanne K H, BreukinkStephanie O, PierikMarieke J, OldenburgBas, van der MeulenAndrea E, BonsingBert A, SpinelliAntonino, DaneseSilvio, SacchiMatteo, WarusavitarneJanindra, HartAilsa, YassinNuha A, KennellyRory P, CullenGarret J, WinterDesmond C, HawthorneA Barney, TorkingtonJared, BemelmanWillem A


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Author: KhannaReena, BresslerBrian, LevesqueBarrett G, ZouGuangyong, StittLarry W, GreenbergGordon R, PanaccioneRemo, BittonAlain, ParéPierre, VermeireSéverine, D'HaensGeert, MacIntoshDonald, SandbornWilliam J, DonnerAllan, VandervoortMargaret K, MorrisJoan C, FeaganBrian G,


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Author: PonsioenCyriel Y, de GroofE Joline, EshuisEmma J, GardenbroekTjibbe J, BossuytPatrick M M, HartAilsa, WarusavitarneJanindra, BuskensChristianne J, van BodegravenAd A, BrinkMenno A, ConstenEsther C J, van WagensveldBart A, RijkMarno C M, CrollaRogier M P H, NoomenCasper G, HoudijkAlexander P J, MallantRosalie C, BoomMaarten, MarsmanWillem A, StockmannHein B, MolBregje, de GroofA Jeroen, StokkersPieter C, D'HaensGeert R, BemelmanWillem A,


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Author: MackDavid R, BenchimolEric I, CritchJeff, deBruynJennifer, TseFrances, MoayyediPaul, ChurchPeter, DeslandresColette, El-MataryWael, HuynhHien, JantchouPrévost, LawrenceSally, OtleyAnthony, SherlockMary, WaltersThomas, KappelmanMichael D, SadowskiDan, MarshallJohn K, GriffithsAnne


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