NCT03999723

Brief Summary

This is a multicentre, randomized, parallel-group, placebo-controlled, double-blind phase 2 study of the efficacy and safety of oral vitamin C supplement in combination with azacitidine in patients with higher-risk MDS, CMML-2 or low-blast count AML. The primary purpose is to investigate if oral vitamin C supplementation to azacitidine, compared with azacitidine + placebo, can increase the effectiveness of epigenetic therapy in patients with higher-risk myeloid malignancies, who are not candidates for allogeneic hematopoietic stem cell transplantation.

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
196

participants targeted

Target at P75+ for phase_2

Timeline
19mo left

Started Sep 2019

Longer than P75 for phase_2

Geographic Reach
2 countries

10 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress81%
Sep 2019Dec 2027

First Submitted

Initial submission to the registry

June 25, 2019

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 27, 2019

Completed
3 months until next milestone

Study Start

First participant enrolled

September 11, 2019

Completed
6.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2025

Completed
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2027

Expected
Last Updated

April 17, 2024

Status Verified

April 1, 2024

Enrollment Period

6.2 years

First QC Date

June 25, 2019

Last Update Submit

April 16, 2024

Conditions

Keywords

Vitamin CAscorbic acidAzacitidineHypomethylating agentsRandomized, Placebo-Controlled Trial

Outcome Measures

Primary Outcomes (1)

  • Event-free survival

    Event-free survival in months in the group of patients receiving oral vitamin C + AZA (arm A) vs. the group of patients receiving placebo + AZA (arm B) calculated from the time of randomization to EOS. Event is defined as death, relapse, progression or lack of a response at 6 AZA cycles as defined by IWG 2006 (MDS and CMML) and ELN 2017 (AML) response criteria

    0-54 months

Secondary Outcomes (10)

  • Adverse events and serious adverse events

    0-54 months

  • Overall survival

    0-54 months

  • Overall response rate

    0-54 months

  • Patient-reported outcome (PRO) measures

    0-54 months

  • Variant allele frequency (VAF) of mutated clones

    0-54 months

  • +5 more secondary outcomes

Study Arms (2)

Vitamin C

EXPERIMENTAL

Oral vitamin C (ascorbic acid) will be given in a dose of 1000 mg daily (two capsules of 500 mg once daily) starting day 1 in the 1st azacitidine (AZA) cycle (D1/C1) and continuing until discontinuation of AZA or end of study, whichever occurs earlier.

Dietary Supplement: Vitamin C

Placebo

PLACEBO COMPARATOR

Placebo will be administered orally as two capsules once daily that look and taste identical to the capsules containing vitamin C. Treatment will start day 1 in the 1st azacitidine (AZA) cycle (D1/C1) and continuing until discontinuation of AZA or end of study, whichever occurs earlier. The content of the placebo capsules is glucose monohydrate, potato starch, gelatin, magnesium stearate and talc.

Dietary Supplement: Placebo

Interventions

Vitamin CDIETARY_SUPPLEMENT

Oral vitamin C (ascorbic acid) 1000 mg daily will be administered from day 1 in the 1st AZA cycle (D1/C1) and continued until discontinuation of AZA or EOS as combination treatment.

Also known as: Ascorbic acid
Vitamin C
PlaceboDIETARY_SUPPLEMENT

Placebo capsules (two capsules once daily) will be administered from day 1 in the 1st AZA cycle (D1/C1) and continued until discontinuation of AZA or EOS.

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients eligible for treatment with azacitidine with one of the following diagnoses according to World Health Organization 2016:
  • MDS Higher-risk MDS according to the IPSS-R, i.e., intermediate- to very high-risk (IPSS-R score \> 3)
  • CMML CMML with 10-29 percent marrow blasts without myeloproliferative disorder
  • AML AML with 20-30 percent blasts (low-blast count AML)
  • Note: Patients with therapy-related MDS are eligible if they have not received radiation or chemotherapy for six months.

You may not qualify if:

  • Patient eligible for allogeneic stem cell transplantation
  • Prior therapy with hypomethylating agents
  • Patient receiving other active cancer treatment, including investigational agents, with the exception of hydroxyurea for white blood cell (WBC) control, G-CSF, and low permanent doses of steroid (≤ 25 mg oral prednisolone per day) for inflammatory disorders
  • Therapeutic radiation or chemotherapy within the past 6 months
  • History of allergic reactions to ascorbic acid
  • History of kidney or urinary tract stones requiring intervention within the past year
  • Lack of ability to understand the information given, or lack of willingness to sign a written informed consent document
  • Unwillingness to comply with the protocol
  • Planned azacitidine treatment after allogeneic stem cell transplantation
  • Eastern Cooperative Oncology Group (ECOG) performance status ≥3
  • Uncontrolled comorbidity including impaired hepatic function (total serum bilirubin \>1.5 × upper limit of the normal range (ULN), serum alanine transaminase \>3 × ULN, chronic hepatitis with decompensated cirrhosis), disabling psychiatric disease, severe neurologic disease, severe metabolic disease, or severe cardiac disease (NYHA class 3-4)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (10)

Aalborg University Hospital

Aalborg, 9100, Denmark

RECRUITING

Aarhus University Hospital

Aarhus, Denmark

RECRUITING

Rigshospitalet

Copenhagen, 2100, Denmark

RECRUITING

Herlev University Hospital

Copenhagen, 2730, Denmark

RECRUITING

Odense University Hospital

Odense, 5000, Denmark

ACTIVE NOT RECRUITING

Zealand University Hospital

Roskilde, Denmark

TERMINATED

Sahlgrenska University Hospital

Gothenburg, Sweden

RECRUITING

Skåne University Hospital

Lund, Sweden

RECRUITING

Karolinska University Hospital

Stockholm, Sweden

RECRUITING

Uppsala University Hospital

Uppsala, Sweden

RECRUITING

Related Publications (2)

  • Aaronson NK, Ahmedzai S, Bergman B, Bullinger M, Cull A, Duez NJ, Filiberti A, Flechtner H, Fleishman SB, de Haes JC, et al. The European Organization for Research and Treatment of Cancer QLQ-C30: a quality-of-life instrument for use in international clinical trials in oncology. J Natl Cancer Inst. 1993 Mar 3;85(5):365-76. doi: 10.1093/jnci/85.5.365.

    PMID: 8433390BACKGROUND
  • Goswami P, Oliva EN, Ionova T, Else R, Kell J, Fielding AK, Jennings DM, Karakantza M, Al-Ismail S, Lyness J, Collins GP, McConnell S, Langton C, Al-Obaidi MJ, Oblak M, Salek S. Paper and electronic versions of HM-PRO, a novel patient-reported outcome measure for hematology: an equivalence study. J Comp Eff Res. 2019 May;8(7):523-533. doi: 10.2217/cer-2018-0108. Epub 2019 Apr 30.

    PMID: 31037971BACKGROUND

MeSH Terms

Conditions

Myelodysplastic SyndromesLeukemia, Myeloid, AcuteLeukemia, Myelomonocytic, Chronic

Interventions

Ascorbic Acid

Condition Hierarchy (Ancestors)

Bone Marrow DiseasesHematologic DiseasesHemic and Lymphatic DiseasesLeukemia, MyeloidLeukemiaNeoplasms by Histologic TypeNeoplasmsMyelodysplastic-Myeloproliferative DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Sugar AcidsAcids, AcyclicCarboxylic AcidsOrganic ChemicalsHydroxy AcidsCarbohydrates

Study Officials

  • Kirsten Grønbæk, Prof., MD

    Rigshospitalet, Denmark

    STUDY DIRECTOR
  • Stine Ulrik Mikkelsen, MD, PhD

    Rigshospitalet, Denmark

    PRINCIPAL INVESTIGATOR
  • Ali Al-Mousawi, MD

    Rigshospitalet, Denmark

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Kirsten Grønbæk, Prof., MD

CONTACT

Krista Smidt Bech, BSc, Nurse

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Double-blind masking (Participant, Care Provider, Investigator, (some) Outcomes Assessors)
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: A multicentre, randomized, parallel-group, placebo-controlled, double-blind phase 2 study
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor, MD, DMSc

Study Record Dates

First Submitted

June 25, 2019

First Posted

June 27, 2019

Study Start

September 11, 2019

Primary Completion

December 1, 2025

Study Completion (Estimated)

December 1, 2027

Last Updated

April 17, 2024

Record last verified: 2024-04

Data Sharing

IPD Sharing
Will not share

Locations