Closing
Does metformin improve pharmacokinetics & dosing more than other treatments?
Mostly studied in type 2 & unspecified diabetes. Also asked versus placebo.
Not modeled yetTrial evidence exists, but no mechanistic model yetWithout a model there is no decisive experiment to propose. Help build it. →
Where the evidence stands
Doubtful. So far, no trial evidence yet.
NoUnsureYes
- Belief
- 0.25 (range 0.10–0.70)
- Trials for
- 0
- Trials against
- 0
- Inconclusive
- 1
Already under way
- A Double-Blind, Randomized, Active-Controlled Phase 2a Trial to Evaluate the Safety, Tolerability, and Preliminary Efficacy of TriGlytza®-01 in Overweight and…NCT07139405 · not yet recruiting · started 2026
- Key Effects of Cofrogliptin on Beta-cell Function in Adults With Latent Autoimmune Diabetes (LADA): A Single-Center, Randomized, Controlled Trial - KOLA StudyNCT07460336 · not yet recruiting · started 2026
- A Phase I, Single-center, Open-Label, Single-Arm, Fixed-Sequence Study to Evaluate the Influence of HDM1005 on Gastric Emptying and Drug-Drug Interaction of…NCT07502001 · not yet recruiting · started 2026
- A Phase I Clinical Study to Assess the Food Effect and Multiple Dose Pharmacokinetic of Chiglitazar/Metformin Extended-Release Fixed Dose Combination TabletsNCT07511010 · not yet recruiting · started 2026
- Bioequivalence Study of Chiglitazar/Metformin Extended-Release Fixed Dose Combination Tablets in Healthy Subjects: A Randomized, Open-Label, Two-Period,…NCT07519265 · not yet recruiting · started 2026
The evidence so far
- Registered trials
- 192
- With posted results
- 60
- Published papers
- 11
Of 3 decided analyses: 0 favor metformin, 3 find no difference, 0 favor the comparator.
Papers
- Association between metformin and neurodegenerative diseases of observational studies: systematic review and meta-analysis.Meta-analysis / systematic review · 2020
- Metformin therapy and risk of cancer in patients with type 2 diabetes: systematic review.Meta-analysis / systematic review · 2013
- Impact of metformin on the risk and treatment outcomes of tuberculosis in diabetics: a systematic review.Meta-analysis / systematic review · 2019
- Do oral antidiabetic medications alter the risk of Parkinson's disease? An updated systematic review and meta-analysis.Meta-analysis / systematic review · 2023
- The Protective Effect of Metformin on Abdominal Aortic Aneurysm: A Systematic Review and Meta-Analysis.Meta-analysis / systematic review · 2021
- Conventional hypoglycaemic agents and the risk of lung cancer in patients with diabetes: a meta-analysis.Meta-analysis / systematic review · 2014
Trials
- A Multi-Center, Double-Blind, Double-Dummy, Placebo-Controlled, Parallel Panel Study to Assess the Safety, Tolerability and Glucose-Lowering Efficacy of MK-0893 in Patients With Type 2 Diabetes MellitusNCT02004886 · 9 posted results
- A Phase IIa, Multicenter, Double-Blind, Randomized, Active Comparator-Controlled Clinical Trial to Study the Efficacy and Safety of MK0893 in Combination With Sitagliptin or in Combination With Metformin in Patients With Type 2 Diabetes Mellitus Who Have Inadequate Glycemic ControlNCT00631488 · 6 posted results
- The Effect of Acupuncture on Insulin Sensitivity of Women With Polycystic Ovary Syndrome and Insulin Resistance: a Randomized Controlled TrialNCT02491333
- A Phase II, Randomized, Double Blind, Double Dummy, Active-Controlled Clinical Trial to Investigate the Efficacy and Safety of Low-Glu in Patients Newly Diagnosed With Type II Diabetes MellitusNCT05343767
- Metformin as Adjunctive Therapy in Overweight and Obese Patients With Dengue: an Open-label Safety and Tolerability TrialNCT04377451
- A Randomized, Open-label, Multiple Dosing, Three-way Crossover Clinical Trial to Investigate the Pharmacokinetic Drug-drug Interaction of Gemigliptin and Metformin After Oral Administration in Healthy Mexican Male SubjectsNCT03310749
- Glyburide and Metformin for Gestational Diabetes MellitusNCT01329016
- A Double-Blind, Randomized, Active-Controlled Phase 2a Trial to Evaluate the Safety, Tolerability, and Preliminary Efficacy of TriGlytza®-01 in Overweight and Obese Adults With Type 2 Diabetes and Inadequate Glycaemic Control Despite Metformin TherapyNCT07139405