Phase 2b Trial Comparing HDV-Insulin Lispro to Insulin Lispro in Adults With Type 1 Diabetes Receiving Insulin Degludec (OPTI-2)

D

Diasome Pharmaceuticals

Status and phase

Enrolling
Phase 2

Conditions

Diabetes Mellitus, Type 1

Treatments

Drug: Lispro
Drug: HDV-Lispro

Study type

Interventional

Funder types

Industry

Identifiers

NCT06238778
DP 01-2023-01

Details and patient eligibility

About

The goal of this study is to see if directing insulin to the liver will improve the low blood sugar that sometimes happens when injecting insulin in Type 1 diabetes patients. Participants will use continuous glucose monitoring to measure the sugar levels in their blood, and work with the doctor to find the best doses. One group of patients will get the liver targeting insulin, and the other group will use insulin they normally use for treating Type 1 diabetes. The participant will be part of the study for up to 32 weeks.

Full description

Individuals age 18 up to 80 years with Type 1 diabetes using multiple daily injections of bolus insulin plus basal insulin will be enrolled into a double-blind randomized controlled trial to assess the efficacy, safety, and tolerability of Hepatocyte-Directed Vesicles-insulin lispro (HDV-L) versus lispro alone (LIS) used in combination with insulin degludec. The study includes (1), a screening period up to 3 weeks, (2), a Run-in Period of 2 weeks to assess eligibility and to transition to use of insulin lispro and insulin degludec and unmasked continuous glucose monitoring (CGM), )3), a 12-week dose optimization period to optimize bolus and basal insulin doses,, (4), a 13-week maintenance period, and (5), a 2 -week transition follow-up period. The primary objective of the study is to determine if the addition of HDV to insulin lispro results in an improvement in glycemic control as defined by decreasing evidence of nocturnal hypoglycemia while maintaining or improving glycated hemoglobin (HbA1c). Other outcomes related to glycemic control will also be evaluated.

Enrollment

230 estimated patients

Sex

All

Ages

18 to 79 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

* clinical diagnosis Type 1 diabetes with C-peptide \<0.6 nmol/L and using insulin for at least 6 months * willing to use study provided insulin as the only bolus insulin and insulin degludec as the basal insulin * willing to use CGM device throughout the study * screening A1C \>= 6.5% and \<= 9.0% daily insulin dose \<= 1.25 U/kg/day

Exclusion criteria

* known or specific allergy to any component of the study drug, the active comparator * pregnant or breast-feeding, or intends to become pregnant at any time during duration of study * current use of hydroxyurea * use of noninsulin glucose-lowering medications, weight loss medications or dietary supplements for weight loss within 30 days, or anticipated use during the course of the study * received any investigational drug within prior 90 days * Clinically significant abnormalities on screening laboratory testing including liver enzymes * Presence of a medical condition or use of a medication that could compromise the results of the study or the safety of the subject (eg. alcohol or drug abuse, uncontrolled hypertension, history of transient ischemic attack or stroke within the last 12 months) * employed by or having immediate family members employed by the sponsor or directly involved in conducting the clinical trial.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

230 participants in 2 patient groups

HDV Lispro (HDV-L)
Experimental group
Description:
Subjects in this arm will use degludec as their daily basal insulin, and HDV-lispro as their bolus insulin
Treatment:
Drug: HDV-Lispro
Lispro (LIS)
Active Comparator group
Description:
Subjects in this arm will use degludec as their daily basal insulin and lispro as their bolus insulin
Treatment:
Drug: Lispro

Trial contacts and locations

3

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Central trial contact

Caroline ElSanadi, PhD; Todd Hobbs, MD

Data sourced from clinicaltrials.gov

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