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CompletedPhase 2

Liraglutide Effect on Beta-cell Function in C-peptide Positive Type 1 Diabetes

A Randomized, Double-blinded Placebo-controlled, Paralleled Designed, Investigator Sponsored Study of the Effect of the GLP-1 Receptor Agonist Liraglutide on Beta-cell Function in C-peptide Positive Type 1 Diabetic Patients

Lead sponsor

Per-Ola Carlsson

Assets

GLP-1 / incretin class catch-all / Liraglutide

Listed sites

1

Recruiting sites

Enrollment

18

actual

Study population

Type 1 diabetes

Key I/E criterion

Primary endpoint

C-peptide AUC

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT02617654
Org study IDU1111-1166-6923

Timeline

Milestones

Study first posted2015-12-01estimated
Last update posted2020-11-05actual
Study start2015-11 (month precision)
Primary completion2020-09actual (month precision)
Study completion2020-09actual (month precision)

Assets

Investigational agents

Study populations

Who this study enrolls

Type 1 diabetes

Eligibility

Who can enroll

Minimum age18 Years
Maximum age30 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

1. Written informed consent for participation of the study, given before undergoing any study-specific procedures.

2. 18-30 years of age (age interval inclusive of both the ends). Both males and females are eligible for the study

3. Clinical diagnose of T1D

4. Five or more years duration of disease

5. HbA1C between 45 and 75 mmol/mol

6. Fasting plasma C-peptide concentration >1.5 pmol/l.

Exclusion criteria

1. Inability to provide informed consent

2. Mental incapacity

3. Unwillingness or language barrier precluding adequate understanding or cooperation

4. Ongoing or planned pregnancy within the next 12 months

5. Inadequate or no use of contraceptives

6. Ongoing breast feeding

7. Known sight-threatening retinopathy

8. Creatinine clearance <60 ml/min

9. Life-threatening cardiovascular disease

10. History of drug/alcohol abuse

11. Known or suspected allergy to trial product or related product

12. Recurrent assisted hypoglycemias

13. Taking oral anti-diabetic therapies or any other concomitant medication which may interfere with glucose regulation other than insulin

14. Uncontrolled hypertension (180/105 mmHg or above)

15. History of acute or chronic pancreatitis

16. Personal or family history of multiple endocrine neoplasia type 2 (MEN2) or familial medullary thyroid carcinoma (FMTC)

17. Personal history of non-familial medullary thyroid carcinoma.

18. Any condition that the investigator or sponsor feel would interfere with trial participation or evaluation of results

Endpoints (18)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Glycemic / diabetes
12
Patient-reported / QoL
3
Safety / tolerability / PK
3

Glycemic / diabetes

12 endpoints
Primary/protocol endpoint

The effect of 52 weeks of treatment with liraglutide 1.8 mg/day, compared to placebo, on stimulated C-peptide concentrations in patients with long-standing type 1 diabetes and residual insulin production

Time frame:52 weeks

C-peptide AUC

change from baseline, improvement

Secondary/protocol endpoint

Change in C-peptide between 6 and 52 weeks of study

Time frame:52 weeks

C-peptide AUC

change from baseline, improvement

Secondary/protocol endpoint

Change in C-peptide between after and prior to treatment with liraglutide 1.8 mg

Time frame:52 weeks

C-peptide AUC

change from baseline, improvement

Secondary/protocol endpoint

Change in HbA1c between before and at end of liraglutide (1.8 mg) treatment

Time frame:52 weeks

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Secondary/protocol endpoint

Change in HbA1c between 6 and 52 weeks of study

Time frame:52 weeks

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Secondary/protocol endpoint

Change in HbA1c between after and prior to treatment with liraglutide 1.8 mg

Time frame:52 weeks

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Secondary/protocol endpoint/low confidence

Change in insulin doses between before and at end of liraglutide (1.8 mg) treatment

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint

Change in insulin doses between 6 and 52 weeks of study

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint/low confidence

Change in insulin doses between after and prior to treatment with liraglutide 1.8 mg

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint

Change in glucose variability between before and at end of liraglutide (1.8 mg) treatment

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint/low confidence

Change in glucose variability between 6 and 52 weeks of study

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint/low confidence

Change in glucose variability between after and prior to treatment with liraglutide 1.8 mg

Time frame:52 weeks

change from baseline, improvement

Patient-reported / QoL

3 endpoints
Secondary/protocol endpoint

Change in Quality of Life (QoL) between before and at end of liraglutide (1.8 mg)

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint/low confidence

Change in QoL between 6 and 52 weeks of study

Time frame:52 weeks

change from baseline, improvement

Secondary/protocol endpoint

Change in QoL between after and prior to treatment with liraglutide

Time frame:52 weeks

change from baseline, improvement

Safety / tolerability / PK

3 endpoints
Secondary/protocol endpoint

Change in hypoglycemia frequency between before and at end of liraglutide (1.8 mg) treatment

Time frame:52 weeks

Documented hypoglycemia

change from baseline, event

componentsDocumented hypoglycemia, Severe hypoglycemia

Secondary/protocol endpoint

Change in hypoglycemia frequency between 6 and 52 weeks of study

Time frame:52 weeks

Documented hypoglycemia

change from baseline, event

componentsDocumented hypoglycemia, Severe hypoglycemia

Secondary/protocol endpoint

Change in hypoglycemia frequency between after and prior to treatment with liraglutide 1.8 mg

Time frame:52 weeks

change from baseline, event

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableno registry results posted yet

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.