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CalciphylaxisPhase 3CALISTANCT03150420

A Phase 3 Clinical Trial of Intravenous Sodium Thiosulfate in Acute Calciphylaxis Patients

A Phase 3 study testing Sodium Thiosulfate in people with Calciphylaxis, run by Hope Pharmaceuticals at 21 sites in 3 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This multicenter, randomized, double-blind, placebo-controlled clinical trial will evaluate the efficacy and safety of intravenous Sodium Thiosulfate Injection for treatment of acute calciphylaxis-associated pain in chronic hemodialysis patients. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Calciphylaxis
What is being tested?
Sodium Thiosulfate
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
29 participants
Where
21 sitesin 3 countries
Study dates
24 May 2017to 15 Apr 2020
Phase
Phase 3
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Informed of the investigational nature of the study and sign written informed consent
  • Willing and able to adhere to all study-related procedures, including adherence to study medication regimen
  • Male or female ≥18 years old
  • End-stage renal disease on chronic hemodialysis
  • Calciphylaxis with active skin lesion(s) of any morphological appearance (including but not limited to livedo, induration, ulceration, etc.) and tissue histology review consistent with calciphylaxis diagnosis. Histological features consistent with calciphylaxis will include soft tissue calcification, microthrombosis, and/or fibrointimal hyperplasia of dermal arterioles
  • Acute pain associated with calciphylaxis lesions pain intensity score of ≥ 5 at initial screening on the modified BPI/SF scale
  • Women of childbearing potential must have a pregnancy test (urine or serum [if anuric]) at screening and not be pregnant and willing to use an acceptable method of contraception for the entire duration of the study (3 weeks)

Who cannot join

  • Peritoneal dialysis patients
  • Current congestive heart failure exacerbation
  • Baseline abnormalities related to QT prolongation (corrected QT interval > 470 ms), hypocalcemia (serum albumin-corrected calcium < 8 mg/dL ), metabolic acidosis (serum bicarbonate < 18 mmol/L, hypotension (resting systolic blood pressure while seated < 80), or interdialytic weight gain ≥ 4.0 kg
  • History of ventricular arrhythmias including ventricular fibrillation or ventricular tachycardia associated with shortness of breath, dizziness, hypotension, or syncope
  • Any prior (within the past 30 days) or current intravenous Sodium Thiosulfate Injection treatment
  • Other investigational agent (drug, biologic, or device) study within the past 30 days and/or for the duration of the trial
Show all 13Show fewer
  • Pregnant or lactating women
  • History of allergy to sulfites, thiosulfate, or any component in Sodium Thiosulfate Injection (sulfa allergy is not an exclusion criterion)
  • Significant other acute or chronic concomitant diseases (including but not limited to hepatic, cardiovascular, pulmonary, or oncologic disease, sepsis, pulmonary edema, pulmonary embolism) that would be inconsistent with survival for at least 3 months
  • Other serious concurrent or recent medical or psychiatric condition which, in the opinion of the Investigator, makes the patient unsuitable for participation in this study
  • Ongoing application of dialysate admixed with iron salt e.g. ferric pyrophosphate during the entire trial period (patients who are on dialysate admixed with iron salt at screening are eligible if dialysate admixed with iron salt can be substituted with non-iron based dialysate and patients can be maintained on non-iron based dialysate therapy for the entire duration of trial period)
  • Recent (within 1 week) history of surgical parathyroidectomy or scheduled for surgical parathyroidectomy during the course of the study
  • History of opioid addiction

Trial locations and contacts

21 sites in 3 countries.

21 sites in 3 countries

United States12 sites
  • Veterans Administration Medical Center

    Albany, New York, 12208

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114

  • University of Virginia Health System

    Charlottesville, Virginia, 22908

  • Northwestern University Hospital

    Chicago, Illinois, 60611

  • Cleveland Clinic

    Cleveland, Ohio, 44195

  • Sanford Health

    Fargo, North Dakota, 58122

  • University of Iowa Hospitals and Clinics

    Iowa City, Iowa, 52242

  • Mayo Clinic

    Jacksonville, Florida, 32224

  • Loyola University Medical Center

    Maywood, Illinois, 60153

  • The Icahn School of Medicine at Mount Sinai Hospital

    New York, New York, 10029

  • Rhode Island Hospital

    Providence, Rhode Island, 02914

  • Veterans Administration Medical Center

    Salem, Virginia, 24153

Other trials in United States

Canada5 sites
  • University of Calgary Foothills Medical Center

    Calgary, Alberta, T2W 1S7

  • University of Alberta Hospital

    Edmonton, Alberta, T6G 1Z1

  • Kingston Health Sciences Centre

    Kingston, Ontario, K7L 2V7

  • Centre Hospitalier de l'Universite de Montreal

    Montreal, Quebec, H2X 0A9

  • Health Sciences Centre Winnipeg

    Winnipeg, Manitoba, R2V 3M3

Other trials in Canada

United Kingdom4 sites
  • Hammersmith Hospital

    London, W12 0HS

  • Churchill Hospital

    Oxford, OX3 7LE

  • Salford Royal Hospital NHS Foundation Trust

    Salford, Manchester, M6 8HD

  • Lister Hospital

    Stevenage, SG1 4AB

Other trials in United Kingdom

About this study

Official title: A Phase 3, Intravenous Sodium Thiosulfate for Acute Calciphylaxis Treatment: A Multicenter, Randomized, Double-blind, Placebo-controlled, Clinical Trial

This multicenter, randomized, double-blind, placebo-controlled clinical trial will evaluate the efficacy and safety of intravenous Sodium Thiosulfate Injection for treatment of acute calciphylaxis-associated pain in chronic hemodialysis patients.

Read the detailed description

This Phase 3, multicenter, randomized, double-blind, placebo-controlled clinical trial will evaluate the efficacy and safety of intravenous Sodium Thiosulfate Injection for treatment of acute calciphylaxis-associated pain in chronic hemodialysis patients. Acute calciphylaxis- associated pain intensity will be the primary outcome measure.

Conditions
Calciphylaxis
Being tested
Sodium Thiosulfate, Placebo-Normal Saline
Keywords
calciphylaxis, calcific uremic arteriolopathy, calcinosis, calcium metabolism disorders, metabolic diseases, sodium thiosulfate
Medical subject headings
Calciphylaxis, Calcinosis, Calcium Metabolism Disorders, Metabolic Diseases

What participants receive

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

  • Sodium ThiosulfateDrug

    Also called Intravenous Sodium Thiosulfate Injection

    Intravenous Sodium Thiosulfate Injection (25 grams sodium thiosulfate) to be administered each hemodialysis session (3 times weekly) for 3 weeks

  • Placebo-Normal SalineDrug

    Also called 0.9% sodium chloride solution

    Placebo: to be administered each hemodialysis session (3 times weekly) for 3 weeks

Study groups in NCT03150420
Study groupRoleWhat they receive
Sodium ThiosulfateExperimentalSodium Thiosulfate Injection (25 grams sodium thiosulfate)
Receives: Drug: Sodium Thiosulfate
Placebo-Normal SalinePlacebo comparator0.9% sodium chloride injection, USP (normal saline)
Receives: Drug: Placebo-Normal Saline

What is being measured

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

  1. Number of patients with 30% improvement in pain severity

    To compare the effects of treatment with intravenous Sodium Thiosulfate Injection vs. placebo for the proportion of patients (responders) who achieve a ≥ 30% reduction based upon pain intensity score (modified BPI/SF).

    Measured: randomization to 3 weeks

Secondary outcomes (4)
  1. Secondary Endpoint-a: Number of patients with stabilization or improvement in calciphylaxis skin lesions.

    Proportion of patients who achieve improvement or stabilization (i.e., not worsening) of skin lesions.

    Measured: randomization to 3 weeks

  2. Secondary Endpoint-b: Occurence of surgical debridement of skin lesions and/or amputation.

    Occurence of surgical debridement of skin lesions and/or amputation.

    Measured: during week 3

  3. Secondary Endpoint-c: Occurrence of surgical debridement of skin lesions and/or amputation.

    Occurrence of surgical debridement of skin lesions and/or amputation.

    Measured: randomization to 3 weeks

  4. Secondary Endpoint-d: Time to achieve ≥ 30% improvement in pain severity

    Time in days when a patient achieves a ≥ 30% improvement based upon pain intensity score (modified BPI/SF).

    Measured: randomization to 3 weeks

Timeline

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

  1. First posted12 May 2017
  2. Study start24 May 2017
  3. Primary completion15 Apr 2020
  4. Study completion15 Apr 2020

Why it stopped: Inability to accrue subjects that met the exclusion criterion "Any prior (within the past 30 days) or current Sodium Thiosulfate treatment".

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
29 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03150420
Sponsor's protocol ID
ST-001
Acronym
CALISTA
Status last verified
May 2020
First submitted
29 Mar 2017
Last updated
19 May 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Sodium Thiosulfate in people with Calciphylaxis, run by Hope Pharmaceuticals at 21 sites in 3 countries.

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 7 inclusion and 13 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: stopped early, as of the sponsor's last update on 19 May 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 21 sites in United States, Canada, United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

The study was stopped early (reason given: Inability to accrue subjects that met the exclusion criterion "Any prior (within the past 30 days) or current Sodium Thiosulfate treatment".). Results are not available in the source record.

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

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of patients with 30% improvement in pain severity (time frame: randomization to 3 weeks). 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 19 May 2020.

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