A trial to evaluate the efficacy and safety of oral controlled-ileal-release nicotinic acid (CIR-NA) for inducing remission in subjects with prediabetes

2024-519903-88-00 Protocol CONCEPT Therapeutic exploratory (Phase II) Ongoing, recruiting

Start 3 Mar 2026 · Status Ongoing, recruiting · 1 EU/EEA countries · 2 sites · Protocol CONCEPT

Overview

Sponsor-declared trial summary

Phase Therapeutic exploratory (Phase II)
Status Ongoing, recruiting
Participants planned 390
Countries 1
Sites 2

Prediabetes

The primary objective is to assess the efficacy of CIR-NA on the remission of prediabetes at week 26.

Key facts

Sponsor
Universitaetsklinikum Schleswig-Holstein AöR
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Nutritional and Metabolic Diseases [C18]
Trial duration
3 Mar 2026 → ongoing
Decision date (initial)
2025-08-19
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Safety, Efficacy, Therapy

The primary objective is to assess the efficacy of CIR-NA on the remission of prediabetes at week 26.

Secondary objectives 1

  1. The secondary objectives are to assess the progression of prediabetes to T2DM and the individual levels of fasting plasma glucose (FPG), glycated haemoglobin (HbA1c) and the 2-h oral glucose tolerance test (oGTT) at week 26.

Conditions and MedDRA coding

Prediabetes

VersionLevelCodeTermSystem organ class
24.0 LLT 10065542 Prediabetes 10027433

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 3

  1. Male and female participants ≥ 18 to < 80 years of age
  2. Body mass index ≥ 20 kg/m²
  3. Diagnosed prediabetes according to the current EASD/DDG guidelines

Exclusion criteria 8

  1. Presence or a history of type 2 diabetes mellitus according to the current EASD/DDG guidelines
  2. Renal impairment (glomerular filtration rate <60 ml/min/1.73)
  3. Impairment of hepatic function (one or more of liver enzymes alanine transaminase, aspartate transaminase and gamma glutamyl transferase [> 3-fold compared to normal range])
  4. Current infection with hepatitis B or C
  5. Current or history of malignancy except for completely resected basal cell carcinoma and squamous cell carcinoma of the skin
  6. Use of antibiotics (systemic or gut-acting [non-absorbed]) within 8 weeks prior to the first dose of IMP
  7. Pregnant or breastfeeding women
  8. Long term use of higher doses of proton pump inhibitors, targeted H2-receptor antagonists or antacid formulations (i.e., doses equivalent to > 40 mg pantoprazole per day)

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Remission of prediabetes at week 26

Secondary endpoints 4

  1. Progression of prediabetes to type 2 diabetes mellitus at week 26
  2. Fasting plasma glucose levels at week 26
  3. Glycated haemoglobin (HbA1c) levels at week 26
  4. 2-h oral Glucose Tolerance Test levels at week 26

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

CIR-NA (controlled-ileal-release nicotinic acid)

PRD12320144 · Product

Active substance
Nicotinic Acid
Substance synonyms
VITAMIN PP, NIACIN, VITAMIN B3
Pharmaceutical form
FILM-COATED TABLET
Route of administration
ORAL
Max daily dose
200 mg milligram(s)
Max total dose
37 g gram(s)
Max treatment duration
185 Day(s)
Authorisation status
Not Authorised
MA holder
UNIVERSITY MEDICAL CENTER SCHLESWIG-HOLSTEIN (UKSH), CAMPUS KIEL
Paediatric formulation
No
Orphan designation
No

Placebo 1

Placebo CIR-NA

N/A · Product

Other product name
N/A
Pharmaceutical form
N/A
ATC code
N/A — N/A
Marketing authorisation
N/A
MA holder
N/A
MA country
Iceland
Paediatric formulation
No
Orphan designation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Universitaetsklinikum Schleswig-Holstein AöR

Sponsor organisation
Universitaetsklinikum Schleswig-Holstein AöR
Address
Arnold-Heller-Strasse 3, Brunswik Brunswik
City
Kiel
Postcode
24105
Country
Germany

Scientific contact point

Organisation
Universitaetsklinikum Schleswig-Holstein AöR
Contact name
Office Prof. Stefan Schreiber

Public contact point

Organisation
Universitaetsklinikum Schleswig-Holstein AöR
Contact name
Office Prof. Stefan Schreiber

Locations

1 EU/EEA country · 2 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Ongoing, recruiting 390 2
Rest of world 0

Investigational sites

Germany

2 sites · Ongoing, recruiting
Universitaetsklinikum Schleswig-Holstein AöR
Department of Internal Medicine I, Arnold-Heller-Strasse 3, Brunswik, Kiel
Universitaet Leipzig
Department of Endocrinology, Nephrology and Rheumatology, Liebigstrasse 20, Zentrum-Suedost, Leipzig

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Germany 2026-03-03 2026-03-24

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 8 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol_2024-519903-88-00_p 2.0
Recruitment arrangements (for publication) K1_Recruitment arrangements_2024-519903-88-00 1
Recruitment arrangements (for publication) K2_Recruitment_material_description_2024-519903-88-00_A5_Flyer_Kiel_p 1
Recruitment arrangements (for publication) K2_Recruitment_material_description_2024-519903-88-00_A5_Flyer_Leipzig_p 1
Recruitment arrangements (for publication) K2_Recruitment_material_description_2024-519903-88-00_Faltflyer_Kiel_p 1
Recruitment arrangements (for publication) K2_Recruitment_material_description_2024-519903-88-00_Faltflyer_Leipzig_p 1
Subject information and informed consent form (for publication) L1_SIS_and_ICF_adult_2024-519903-88-00_p 3
Subject information and informed consent form (for publication) L1_SIS_and_ICF_adult_subgroup_2024-519903-88-00_p 3

Application history

3 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-06-12 Germany Acceptable with conditions
2025-08-18
2025-08-19
2 SUBSTANTIAL MODIFICATION SM-1 2025-09-29 Germany Acceptable
2025-10-20
2025-10-24
3 SUBSTANTIAL MODIFICATION SM-2 2026-01-20 Germany Acceptable
2026-01-26
2026-01-28