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Immune ThrombocytopeniaPhase 2NCT05494307

The Combination of Terbutaline and Danazol as the Treatment of Corticosteroid-resistant/Relapse Immune Thrombocytopenia

A Phase 2 study testing Terbutaline and Danazol in people with Immune Thrombocytopenia, run by Peking University People's Hospital.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

A randomized, open-label, multicenter study to compare the efficacy and safety of terbutaline plus danazol compared to danazol monotherapy for the second-line treatment of adults with corticosteroid-resistant or relapsed primary immune thrombocytopenia (ITP). Read more about this study

Who is it for?
Ages 18 to 80 years
Conditions the study is for
Immune Thrombocytopenia
What is being tested?
Terbutaline and Danazol
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
228 participants
Where
No sites listed yet
Study dates
1 Sep 2022to 28 Feb 2024
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

None listed.

Who cannot join

  • Pregnant or lactating women;
  • Secondary ITP (have a known diagnosis of connective tissue diseases, malignancy, active infection, HIV infections or hepatitis B virus or hepatitis C virus infections);
  • Received drugs affecting the platelet counts within 6 months before the screening visit (e.g., chemotherapy, anticoagulants, etc);
  • Severe medical condition (lung, heart, hepatic or renal disorder);
  • Patients who are deemed unsuitable for the study by the investigator.
  • Patients who had hypertension, diabetes mellitus, hyperthyroidism or coronary heart disease.

Trial locations and contacts

No sites are listed yet.

About this study

Official title: A Multicenter Randomized Trial of Second Line Treatment for Corticosteroid-Resistant or Relapsed Immune Thrombocytopenia: Combined Terbutaline and Danazol Versus Danazol Monotherapy

A randomized, open-label, multicenter study to compare the efficacy and safety of terbutaline plus danazol compared to danazol monotherapy for the second-line treatment of adults with corticosteroid-resistant or relapsed primary immune thrombocytopenia (ITP).

Read the detailed description

The investigators are undertaking a parallel group, multicenter, randomized controlled trial of 228 adults with ITP in China. Patients were randomized to terbutaline plus danazol compared to danazol monotherapy group. Platelet count, bleeding and other symptoms were evaluated before and after treatment. Adverse events are also recorded throughout the study.

Being tested
Terbutaline, Danazol
Medical subject headings
Purpura, Thrombocytopenic, Idiopathic

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • TerbutalineDrug

    Orally terbutaline at a dose of 2.5 mg three times daily for 16 weeks

  • DanazolDrug

    Orally danazol at a dose of 200 mg twice daily for 16 weeks

Study groups in NCT05494307
Study groupRoleWhat they receive
Terbutaline plus danazolExperimentalTerbutaline: A dose of 2.5 mg three times daily for 16 weeks Danazol: A dose of 200 mg twice daily for 16 weeks
Receives: Drug: Terbutaline; Drug: Danazol
Danazol monotherapyActive comparatorDanazol: A dose of 200 mg twice daily for 16 weeks
Receives: Drug: Danazol

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Overall response

    Achieving a platelet count ≥ 30 × 10^9/L confirmed on at least two separate occasions (at least 7 days apart), at least a doubling of the baseline platelet count without any other ITP-specific treatment and the absence of bleeding.

    Measured: From date of randomization until 1 years or the end of follow-up

Secondary outcomes (11)
  1. Sustained response

    maintenance of a platelet count > 30 × 10^9/L, an absence of bleeding, and no requirement for any other ITP-specific treatment for 6 consecutive months after achievement of OR

    Measured: From date of randomization until 1 years or the end of follow-up

  2. Complete response

    a platelet count ≥ 100 × 10^9/L measured on two occasions at least 7 days apart and the absence of bleeding

    Measured: From date of randomization until 1 years or the end of follow-up

  3. Remission

    a durable platelet count > 30 × 109/L without bleeding up to 12 months after randomization

    Measured: at 12-month follow-up

  4. Time to response

    the time from starting treatment to the time a response was achieved.

    Measured: From date of randomization until 1 years or the end of follow-up

  5. Duration of response

    time from OR until loss of response or until the last follow-up visit

    Measured: From date of randomization until 1 years or the end of follow-up

  6. Rescue therapy

    any new medical intervention taken to increase the platelet count or prevent bleeding events or an increase in the dose of concomitant treatments

    Measured: From date of randomization until 1 years or the end of follow-up

  7. Associated factors of treatment failure, OR, SR and remission

    Factors that are associated with treatment failure, OR, SR and remission

    Measured: From date of randomization until 1 years or the end of follow-up

  8. Number of patients with bleeding

    Number of patients with bleeding complication (WHO bleeding score)

    Measured: From date of randomization until 1 years or the end of follow-up

  9. Number of patients with side effects

    Number of patients with Medication adverse events.

    Measured: From date of randomization until 1 years or the end of follow-up

  10. Relapse

    Loss of OR

    Measured: From date of randomization until 1 years or the end of follow-up

  11. Relapse-free survival

    the time interval between achievement of OR and relapse or the end of the follow-up

    Measured: From date of randomization until 1 years or the end of follow-up

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Aug 2022
  2. Study start1 Sep 2022 (estimated)
  3. Primary completion1 Sep 2023 (estimated)
  4. Study completion28 Feb 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
228 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05494307
Sponsor's protocol ID
PKU-ITP039
Status last verified
Aug 2022
First submitted
6 Aug 2022
Last updated
9 Aug 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Terbutaline and Danazol in people with Immune Thrombocytopenia, run by Peking University People's Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 0 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 9 Aug 2022. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Ye-Jun Wu, MD (13522338836, wyejun1999@pku.edu.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall response (time frame: From date of randomization until 1 years or the end of follow-up). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Aug 2022.

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