Timing medication intake before or after meals affects its efficacy and absorption
Clinical pharmacokinetic studies consistently demonstrate that food intake and the timing of meals can alter the absorption rate, peak concentration, and overall bioavailability of many oral medications.
Multiple clinical trials and reviews evaluate the impact of food on drug pharmacokinetics. Several studies (e.g., papers 1, 3, 4, 5, 7) directly demonstrate that food intake or the timing of administration relative to meals affects absorption, bioavailability, or maximum plasma concentrations. None of the provided papers refute the general principle that food and timing can affect drug efficacy and absorption, even though certain specific compounds are unaffected.
Pawłowska I, Kuźbicka K, Kowalczys A, Pawłowski L, Kocić I. Food-drug interactions of novel drugs used in cardiologic and diabetic patients - a PRISMA scoping review.. 2026. https://doi.org/10.3389/fphar.2026.1786007
Reviews novel cardiovascular and antidiabetic drugs, demonstrating that food intake significantly impacts the bioavailability, maximum concentration, and absorption rate of many oral therapies.
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Lee S, Kwak Y, Park J, Park Y, Yu KS, Oh J. The Effect of Food on the Pharmacokinetics and Gastrointestinal Tolerability of Bersiporocin, a Novel Oral Prolyl-tRNA-Synthetase Inhibitor.. 2026. https://doi.org/10.2147/dddt.s609676
Shows that a high-fat meal delays the oral absorption rate and alters gastrointestinal tolerability of bersiporocin.
Wang Y, Huang X, Han D, Duan L, Wang Q, Zhang Z, Liu M, Du L, Wang J. Effect of High-Fat Meal on the Pharmacokinetics and Safety of Lansoprazole Enteric-Coated Capsules in Healthy Chinese Subjects.. 2026. https://doi.org/10.1002/cpdd.70069
Demonstrates that food intake significantly reduces the systemic exposure and bioavailability of lansoprazole enteric-coated capsules.
Wang H, Yang Y, Chen Z, Yu M, Jiang L, Men L, Yan H, Yang D, Zhai Y. Effects of a High-Fat Meal on the Pharmacokinetics of Olverembatinib in Patients With Chronic Myeloid Leukemia.. 2026. https://doi.org/10.1111/cts.70545
Finds that administering olverembatinib with a high-fat meal substantially increases its plasma exposure and maximum concentration.
Niu J, Zhang H, Ling J, Madera S, Kwok N, West S, Longo D, Gillespie G, Llamoso C, Marathe DD. Evaluation of Relative Bioavailability and Food Effect of a Fixed-Dose Combination Tablet of Islatravir and Lenacapavir.. 2026. https://doi.org/10.1002/jcph.70193
Notes that food intake alters the pharmacokinetic profile and increases exposure for lenacapavir, reflecting a known food effect.
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