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West Nile VirusPhase 2NCT00069316

Omr-IgG-am(Trademark) for Treating Patients With or at High Risk for West Nile Virus Disease

A Phase 2 study testing Omr-IgG-am in people with West Nile Virus, run by National Institutes of Health Clinical Center (CC) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Investigators will assess whether Omr-IgG-am(Trademark), an intravenous immunoglobulin (IVIg) containing antibodies specific for West Nile virus (WNV), is safe and well-tolerated in patients with suspected or laboratory diagnosed WNV disease. An initial estimation of efficacy will also be made. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
West Nile Virus
What is being tested?
Omr-IgG-am
How many people
2 participants
Where
1 siteUnited States
Study dates
22 Sep 2003to 27 Jun 2007
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • In order to participate in this clinical trial, all subjects (or legal representative) must provide written informed consent. Only patients meeting entry criteria will be enrolled. Eligible subjects must fall into one of two categories:
  • Hospitalized patients greater than or equal to 18 years of age with encephalitis and/or myelitis as defined below:
  • New neurologic abnormality:
  • Asymmetric extremity weakness without sensory abnormality; or
  • Other neurologic abnormality (including altered level of consciousness, dysarthria and dysphagia) plus fever (subjective or objective) within the previous 4 days
  • AND
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  • CSF examination within the previous 96 hours showing:
  • Absence of organism on gram or fungal stain
  • White blood cell count greater than or equal to 4 per mm(3) corrected for significant red blood cell contamination.
  • Ratio of CSF: plasma glucose of greater than or equal to 40% (CSF glucose/plasma glucose greater than or equal to 0.4)
  • OR
  • Hospitalized patients without encephalitis and/or myelitis as defined below who meet the following criteria:
  • A positive IgM serology or PCR test for WNV in blood or cerebrospinal fluid,
  • AND
  • Clinical illness compatible with WNV infection as described by occurrence of greater than or equal to 3 of the following findings during the preceding less than or equal to 10 days:
  • Diarrhea, headache, fever greater than 38 degrees Celsius, nausea and/or vomiting, myalgias and/or arthralgias, nuchal rigidity, macular or papular rash, new neurological abnormality
  • AND
  • A risk factor for the development of WNV neurologic disease as defined by:
  • Age greater than or equal to 40 years, or
  • Age greater than or equal to 18 years, plus immunosuppression, as defined by any of the following:
  • Hematologic malignancy, previous diagnosis of diabetes mellitus, chemotherapy within previous 4 weeks, stem cell transplant recipient or solid organ transplant recipient, taking immunosuppressive medications, including prednisone greater than or equal to 7.5 mg/day within the previous 4 weeks, history of human immunodeficiency virus (HIV) infection, congenital immunodeficiency syndrome (including common variable immunodeficiency)

Who cannot join

  • Unable to obtain valid informed consent
  • History of intolerance (including anaphylaxis) to IVIg or related compounds
  • Known history of IgA deficiency
  • Known history of hypersensitivity to maltose.
  • History of (or at time of study entry) hyperviscosity syndrome including but not limited to:
  • Waldenstrom's macroglobulinemia
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  • Multiple myeloma
  • Total white blood cell count greater than 80,000/mm(3)
  • Hematocrit greater than 55%
  • Platelet count greater than 700,000/mm(3)
  • Meets criteria of Class III or IV of the New York Heart Association Classification for congestive heart failure patients
  • Serum creatinine greater than 2.5 mg/dL or requires dialysis
  • Alternate explanation (as determined by the investigator) for clinical findings (such as structural brain lesion, cerebrovascular accident, or other infectious disease, including confirmed infections with other flaviviruses)
  • Pregnant or breastfeeding (negative serum or urine pregnancy test within previous 72 hours if woman is not postmenopausal or has not been surgically sterilized)
  • Investigator's opinion that patient would be unable to adhere to protocol requirements
  • Receipt of ribavirin, interferon alpha, intravenous immunoglobulin or any investigational drug for treatment of WNV or hepatitis within 15 days prior to study entry.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: A Phase I/II Randomized, Placebo-Controlled Trial to Assess the Safety and Efficacy of Intravenous Immunoglobulin G (Omr-IgG-am) Containing High Anti-West Nile Virus Antibody Titers in Patients With, or at High Risk for Progression to West Nile Virus(WNV)

Investigators will assess whether Omr-IgG-am(Trademark), an intravenous immunoglobulin (IVIg) containing antibodies specific for West Nile virus (WNV), is safe and well-tolerated in patients with suspected or laboratory diagnosed WNV disease. An initial estimation of efficacy will also be made.

This Phase I/II study will enroll hospitalized adults with a presumptive diagnosis of West Nile encephalitis and/or myelitis or those with a positive laboratory test for diagnosis of WNV infection who are at high risk for progressing to severe neurologic disease based on age or immunosuppression. Patients will be randomized in blocks of five to receive either Omr-IgG-am(Trademark), Polygam(Registered Trademark) S/D (IVIG containing minimal anti-WNV antibodies) or normal saline in a ratio of 3:1:1. Patients and investigators will be blinded to treatment assignments.

Read more

Patients will receive a single intravenous dose of study medication or one of two placebos. The study participants will receive 0.5 grams/kg of Omr-IgG-am(Trademark) or Polygam(Registered Trademark) S/D or a comparable volume of normal saline. All patients will be followed for safety, natural history endpoints, and efficacy. A subset of patients will have pharmacokinetic measurements of specific anti- WNV antibodies assessed following treatment.

The primary endpoints are safety and tolerability following Omr-IgG-am(Trademark) administration.

Secondary endpoints include pharmacokinetics of specific anti-WNV antibodies, mortality in confirmed WNV positive patients, and the combination of mortality and functional status at three months in both confirmed WNV-infected patients and all patients by intention to treat. This combined endpoint will be measured using four standardized measures of cognitive and functional status: the Barthel Index; the Modified Rankin Scale; the Glasgow Outcome Score; and the Modified Mini-Mental Status Examination. A comparison of outcomes will be made for the group receiving Omr-IgG-am(Trademark) versus those receiving either placebo, and between the two placebo groups. Other secondary endpoints include the proportion of patients in each group returning to pre-morbid baseline and each subject's improvement at 3 months as compared to that subject's worst (of any previous) evaluation.

Natural history endpoints will also be assessed. They will include the duration of intensive care unit (ICU) and hospital stay, development and persistence of WNV-specific IgG and IgM antibodies, combined functional score and mortality at 3 months between the group with encephalitis and/or myelitis at baseline versus the group with a positive WNV test only, outcomes in patients treated late in coma and correlation of outcome with time-to-treatment following symptom onset.

Read the detailed description

Investigators will assess whether Omr-IgG-am(Trademark), an intravenous immunoglobulin (IVIg) containing antibodies specific for West Nile virus (WNV), is safe and well-tolerated in patients with suspected or laboratory diagnosed WNV disease. An initial estimation of efficacy will also be made.

This Phase I/II study will enroll hospitalized adults with a presumptive diagnosis of West Nile encephalitis and/or myelitis or those with a positive laboratory test for diagnosis of WNV infection who are at high risk for progressing to severe neurologic disease based on age or immunosuppression. Patients will be randomized in blocks of five to receive either Omr-IgG-am(Trademark), Polygam(Registered Trademark) S/D (IVIG containing minimal anti-WNV antibodies) or normal saline in a ratio of 3:1:1. Patients and investigators will be blinded to treatment assignments.

Patients will receive a single intravenous dose of study medication or one of two placebos. The study participants will receive 0.5 grams/kg of Omr-IgG-am(Trademark) or Polygam(Registered Trademark) S/D or a comparable volume of normal saline. All patients will be followed for safety, natural history endpoints, and efficacy. A subset of patients will have pharmacokinetic measurements of specific anti- WNV antibodies assessed following treatment.

The primary endpoints are safety and tolerability following Omr-IgG-am(Trademark) administration.

Secondary endpoints include pharmacokinetics of specific anti-WNV antibodies, mortality in confirmed WNV positive patients, and the combination of mortality and functional status at three months in both confirmed WNV-infected patients and all patients by intention to treat. This combined endpoint will be measured using four standardized measures of cognitive and functional status: the Barthel Index; the Modified Rankin Scale; the Glasgow Outcome Score; and the Modified Mini-Mental Status Examination. A comparison of outcomes will be made for the group receiving Omr-IgG-am(Trademark) versus those receiving either placebo, and between the two placebo groups. Other secondary endpoints include the proportion of patients in each group returning to pre-morbid baseline and each subject's improvement at 3 months as compared to that subject's worst (of any previous) evaluation.

Natural history endpoints will also be assessed. They will include the duration of intensive care unit (ICU) and hospital stay, development and persistence of WNV-specific IgG and IgM antibodies, combined functional score and mortality at 3 months between the group with encephalitis and/or myelitis at baseline versus the group with a positive WNV test only, outcomes in patients treated late in coma and correlation of outcome with time-to-treatment following symptom onset.

Conditions
West Nile Virus
Being tested
Omr-IgG-am
Keywords
West Nile Virus, Encephalitis, Virus, Mosquito, Fever, WNV, Myelitis
Medical subject headings
Encephalitis, Virus Diseases, Fever, Myelitis

What participants receive

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

  • Omr-IgG-amDrug

Timeline

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

  1. First posted23 Sep 2003 (estimated)
  2. Study start22 Sep 2003
  3. Primary completion27 Jun 2007
  4. Study completion27 Jun 2007

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
Masking
Double blind
Enrolment
2 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00069316
Sponsor's protocol ID
030306
Other IDs
03-CC-0306
Status last verified
18 Feb 2011
First submitted
22 Sep 2003
Last updated
2 Jul 2017
Results posted
No

Publications

  • van Swieten JC, Koudstaal PJ, Visser MC, Schouten HJ, van Gijn J. Interobserver agreement for the assessment of handicap in stroke patients. Stroke. 1988 May;19(5):604-7. doi: 10.1161/01.str.19.5.604.

    PubMed 3363593
  • Jennett B, Bond M. Assessment of outcome after severe brain damage. Lancet. 1975 Mar 1;1(7905):480-4. doi: 10.1016/s0140-6736(75)92830-5.

    PubMed 46957
  • McDowell I, Kristjansson B, Hill GB, Hebert R. Community screening for dementia: the Mini Mental State Exam (MMSE) and Modified Mini-Mental State Exam (3MS) compared. J Clin Epidemiol. 1997 Apr;50(4):377-83. doi: 10.1016/s0895-4356(97)00060-7.

    PubMed 9179095
  • Hart J Jr, Tillman G, Kraut MA, Chiang HS, Strain JF, Li Y, Agrawal AG, Jester P, Gnann JW Jr, Whitley RJ; NIAID Collaborative Antiviral Study Group West Nile Virus 210 Protocol Team. West Nile virus neuroinvasive disease: neurological manifestations and prospective longitudinal outcomes. BMC Infect Dis. 2014 May 9;14:248. doi: 10.1186/1471-2334-14-248.

    PubMed 24884681

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Omr-IgG-am in people with West Nile Virus, run by National Institutes of Health Clinical Center (CC) at 1 site in United States.

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 21 inclusion and 16 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: finished, as of the sponsor's last update on 2 Jul 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. 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. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00069316, which also lists 4 linked publications.

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 2 Jul 2017.

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