ClinicalTrials.gg
CompletedNCT03290560ReMEDy1Updated Mar 31, 2022

Evaluation to Assess Safety and Tolerability of DM199 in Subjects With Acute Ischemic Stroke

A Phase 2 interventional study of Recombinant human tissue kallikrein and Placebo in Acute Ischemic Stroke, sponsored by DiaMedica Therapeutics Inc. Completed at 12 sites in Australia. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2022-03-31.

Sponsored by DiaMedica Therapeutics Inc · Phase 2, Interventional, and Treatment

Phase
Phase 2
Study type
Interventional
Enrollment
92
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

This is a Phase II study to assess the safety and tolerability of DM199 in acute ischemic stroke patients. The study will be randomized, placebo controlled at multiple centers.

02

Conditions studied

  • Acute Ischemic Stroke

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03

In context

Ischemic Stroke

2,612 studies on the registry are indexed under Ischemic Stroke; 971 are open to participants now.

This study's enrollment of 92 is below the median of 120 across 1,776 interventional studies indexed under Ischemic Stroke.

Browse Ischemic Stroke studies →

Lead sponsor

DiaMedica Therapeutics Inc is the lead sponsor of 7 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Subject is >/= 18 years of age
  2. Subject has been diagnosed with acute ischemic stroke with onset ≤ 24 hours from enrollment.
  3. Subject has NIH stroke score (NIHSS) ≥ 6 and ≤ 25.
  4. Subject or legally authorized representative is willing and able to sign written .

Exclusion criteria

Exclusion Criteria:

  1. Subject is currently prescribed angiotensin-converting-enzyme inhibitors (ACEi) and is unable or unwilling to convert to another antihypertensive pharmacological treatment during the active treatment period (+5 days) of the study.
  2. Subject has a history of significant allergic diathesis such as urticaria, angioedema or anaphylaxis.
  3. Subjects with current or active malignancy ≤ 3 years prior to enrollment except basal cell or squamous cell carcinoma of the skin or in situ cervical cancer that has undergone potentially curative therapy and at least six months have elapsed since the procedure.
  4. Subject has a history of acute bacterial, viral, or fungal systemic infections in the last four weeks prior to enrollment.
  5. Subject has clinical or laboratory evidence of an active infection at the time of enrollment.
  6. Subject has known alpha 1-antitrypsin deficiency (α1-antitrypsin deficiency).
  7. Subject has a known diagnosis of (HIV), surface antigen (HBsAg), or anti- virus (Anti-HCV) at screening.
  8. Subject is pregnant or nursing.
  9. Subject is male or female of , is participating in heterosexual sexual activity that could lead to pregnancy, and is unable or unwilling to practice medically effective during the study.
  10. Subject is participating in any other device or other drug study ≤ 4 weeks or 5 half-lives of the investigational product, whichever is longer.
  11. Subject does not have sufficient venous access for infusion of study treatment or blood sampling.
  12. In the opinion of the Investigator, subject is unlikely to be followed for the duration of t the study.
  13. Subject is unable or unwilling to comply with protocol requirements, including assessments, tests, and follow-up visits.
  14. Subject has any other medical condition which in the opinion of the Investigator will make participation medically unsafe or interfere with the study results.
  15. Pre-stroke Modified Rankin Scale ≥4
Terms in these criteria, in plain language(9)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Cancer (malignancy)

Malignancy means cancer. Criteria about another or earlier malignancy ask whether you have had a different cancer, usually within a set number of years.

Some are commonly allowed, such as treated skin cancers other than melanoma and early cancers removed completely — check the exceptions this study lists.

Clinically significant

Judged by the study doctor to matter for your health or for the study. It is a doctor’s decision, so ask the study team if you are unsure whether something counts.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

Childbearing potential

Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).

Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
92 participants (actual)

Study arms

  • Experimental
    Recombinant human tissue kallikrein

    A single IV infusion of 1 microgram/kg followed by 8 subcutaneous injections of 3 microgram/kg occurring every 72 hours.

    Drug: Recombinant human tissue kallikrein

  • Placebo comparator
    Placebo

    A single IV infusion of 1 microgram/kg followed by 8 subcutaneous injections of 3 microgram/kg occurring every 72 hours.

    Other: Placebo

Interventions

06

What researchers measure

Primary outcomes

  1. Number of participants with treatment-related adverse events as assessed by CTCAE v4.3

    Assessed by total number and severity of all treatment-related adverse events.

    Time frame: 90 Days

Secondary outcomes

  1. Changes from baseline to Day 90 of NIH Stroke Scale.

    Assessed by a reduction in points from baseline.

    Time frame: 90 Days

  2. Changes from baseline to Day 90 of Barthel Index.

    Assessed by an increase in points from baseline.

    Time frame: 90 Days

  3. Changes from baseline to Day 90 of Modified Rankin Scale.

    Assessed by a reduction in points from baseline.

    Time frame: 90 Days

07

Study locations

12 sites
  • Lismore Base Hospital
    Lismore, New South Wales, Australia
  • Liverpool Hospital
    Liverpool, New South Wales, Australia
  • John Hunter Hospital
    New Lambton Heights, New South Wales, Australia
  • Royal Brisbane and Women's Hospital
    Herston, Queensland, Australia
  • Princess Alexandria Hospital
    Woolloongabba, Queensland, Australia
  • Alfred Health
    Melbourne, Victoria 3004, Australia
  • Royal Melbourne Hospital
    Parkville, Victoria 3050, Australia
  • Sunshine Hospital
    St Albans, Victoria, Australia
  • Fiona Stanley Hospital
    Murdoch, Western Australia, Australia
  • Royal Adelaide Hospital
    Adelaide, Australia
  • Ballarat Health Services
    Ballarat, Australia
  • Box Hill Hospital
    Box Hill, Australia
08

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

Individual participant data

Plan to share: Undecided

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 31, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03290560
Lead sponsor
DiaMedica Therapeutics Inc
Responsible party
Sponsor
First posted
Sep 25, 2017
Start date
Jan 19, 2018
Primary completion
Jan 23, 2020
Completion
Jan 23, 2020
Last update
Mar 31, 2022

Study contacts

Bruce Campbell
principal investigator · Melbourne Health

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Feb 2020. You cannot join it, but the record below documents what was studied.

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Discussion

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Studies of the drug tested here: DM199

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