PIONEER 1: Randomized Clinical Trial of the Efficacy and Safety of Oral Semaglutide Monotherapy in Comparison With Placebo in Patients With Type 2 Diabetes.

MedStar author(s):
Citation: Diabetes Care. 42(9):1724-1732, 2019 09.PMID: 31186300Institution: MedStar Health Research InstituteForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Diabetes Mellitus, Type 2/dt [Drug Therapy] | *Glucagon-Like Peptides/ad [Administration & Dosage] | *Hypoglycemic Agents/ad [Administration & Dosage] | Administration, Oral | Adult | Diabetes Mellitus, Type 2/bl [Blood] | Diet | Double-Blind Method | Exercise | Female | Glycated Hemoglobin A/de [Drug Effects] | Humans | Male | Middle Aged | Weight Loss/de [Drug Effects]Year: 2019ISSN:
  • 0149-5992
Name of journal: Diabetes careAbstract: CONCLUSIONS: In patients with type 2 diabetes, oral semaglutide monotherapy demonstrated superior and clinically relevant improvements in HbA1c (all doses) and body weight loss (14 mg dose) versus placebo, with a safety profile consistent with other GLP-1 receptor agonists. Copyright (c) 2019 by the American Diabetes Association.OBJECTIVE: This trial compared the efficacy and safety of the first oral glucagon-like peptide 1 (GLP-1) receptor agonist, oral semaglutide, as monotherapy with placebo in patients with type 2 diabetes managed by diet and exercise alone. Two estimands addressed two efficacy-related questions: a treatment policy estimand (regardless of trial product discontinuation or rescue medication use) and a trial product estimand (on trial product without rescue medication use) in all randomized patients.RESEARCH DESIGN AND METHODS: This was a 26-week, phase 3a, randomized, double-blind, placebo-controlled, parallel-group trial conducted in 93 sites in nine countries. Adults with type 2 diabetes insufficiently controlled with diet and exercise were randomized (1:1:1:1) to once-daily oral semaglutide 3 mg, 7 mg, 14 mg, or placebo. The primary end point was change from baseline to week 26 in HbA1c. The confirmatory secondary end point was change from baseline to week 26 in body weight.RESULTS: In the 703 patients randomized (mean age 55 years, 50.8% male, and mean baseline HbA1c 8.0% [64 mmol/mol]), oral semaglutide reduced HbA1c (placebo-adjusted treatment differences at week 26: treatment policy estimand, -0.6% [3 mg], -0.9% [7 mg], and -1.1% [14 mg]; trial product estimand, -0.7% [3 mg], -1.2% [7 mg], and -1.4% [14 mg]; P < 0.001 for all) and body weight (treatment policy, -0.1 kg [3 mg], -0.9 kg [7 mg], and -2.3 kg [14 mg, P < 0.001]; trial product, -0.2 kg [3 mg], -1.0 kg [7 mg, P = 0.01], and -2.6 kg [14 mg, P < 0.001]). Mild-to-moderate transient gastrointestinal events were the most common adverse events with oral semaglutide. Trial product discontinuations occurred in 2.3-7.4% with oral semaglutide and 2.2% with placebo.All authors: Altuntas Y, Aroda VR, Christiansen E, Haluzik M, Hertz CL, Jeppesen OK, Lalic NM, Morales Villegas EC, PIONEER 1 Investigators, Rosenstock J, Terauchi YOriginally published: Diabetes Care. 42(9):1724-1732, 2019 Sep.Fiscal year: FY2020Digital Object Identifier: ORCID: Date added to catalog: 2019-12-04
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Journal Article MedStar Authors Catalog Article 31186300 Available 31186300

CONCLUSIONS: In patients with type 2 diabetes, oral semaglutide monotherapy demonstrated superior and clinically relevant improvements in HbA1c (all doses) and body weight loss (14 mg dose) versus placebo, with a safety profile consistent with other GLP-1 receptor agonists. Copyright (c) 2019 by the American Diabetes Association.

OBJECTIVE: This trial compared the efficacy and safety of the first oral glucagon-like peptide 1 (GLP-1) receptor agonist, oral semaglutide, as monotherapy with placebo in patients with type 2 diabetes managed by diet and exercise alone. Two estimands addressed two efficacy-related questions: a treatment policy estimand (regardless of trial product discontinuation or rescue medication use) and a trial product estimand (on trial product without rescue medication use) in all randomized patients.

RESEARCH DESIGN AND METHODS: This was a 26-week, phase 3a, randomized, double-blind, placebo-controlled, parallel-group trial conducted in 93 sites in nine countries. Adults with type 2 diabetes insufficiently controlled with diet and exercise were randomized (1:1:1:1) to once-daily oral semaglutide 3 mg, 7 mg, 14 mg, or placebo. The primary end point was change from baseline to week 26 in HbA1c. The confirmatory secondary end point was change from baseline to week 26 in body weight.

RESULTS: In the 703 patients randomized (mean age 55 years, 50.8% male, and mean baseline HbA1c 8.0% [64 mmol/mol]), oral semaglutide reduced HbA1c (placebo-adjusted treatment differences at week 26: treatment policy estimand, -0.6% [3 mg], -0.9% [7 mg], and -1.1% [14 mg]; trial product estimand, -0.7% [3 mg], -1.2% [7 mg], and -1.4% [14 mg]; P < 0.001 for all) and body weight (treatment policy, -0.1 kg [3 mg], -0.9 kg [7 mg], and -2.3 kg [14 mg, P < 0.001]; trial product, -0.2 kg [3 mg], -1.0 kg [7 mg, P = 0.01], and -2.6 kg [14 mg, P < 0.001]). Mild-to-moderate transient gastrointestinal events were the most common adverse events with oral semaglutide. Trial product discontinuations occurred in 2.3-7.4% with oral semaglutide and 2.2% with placebo.

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