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Treatment With Human Umbilical Cord-derived Mesenchymal Stem Cells for Severe Corona Virus Disease 2019 (COVID-19)

18. august 2020 oppdatert av: Fu-Sheng Wang, Beijing 302 Hospital

A Phase II, Multicenter, Randomized, Double-blind, Placebo-controlled Trial to Evaluate the Efficacy and Safety of Human Umbilical Cord-derived Mesenchymal Stem Cells in the Treatment of Severe COVID-19 Patients

COVID-19 caused clusters of severe respiratory illness and was associated with 2% mortality. No specific anti-viral treatment exists. The mainstay of clinical management is largely symptomatic treatment, with organ support in intensive care for seriously ill patients. Cellular therapy, using mesenchymal stem cells has been shown to reduce nonproductive inflammation and affect tissue regeneration and is being evaluated in patients with ARDS. This clinical trial is to inspect the safety and efficiency of mesenchymal stem cells (MSCs) therapy for severe COVID-19.

Studieoversikt

Detaljert beskrivelse

The Corona Virus Disease 2019 (COVID-19) caused by severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) infection has unprecedentedly spread in the worldwide and been declared as a pandemic by the world health organization. COVID-19 is characterized by sustained cytokines production and hyper-inflammation, can cause clusters of severe respiratory illness with a fatality rate around 2-5%. There are currently no prophylactic vaccine and no specific antiviral treatment agents available recommended for COVID-19. Therefore, it is urgent to find a safe and effective therapeutic approach to COVID-19.

During the last decade, the promising features of mesenchymal stem cells (MSCs), including their regenerative properties and ability to differentiate into diverse cell lineages, have generated great interest among researchers whose work has offered intriguing perspectives on cell-based therapies for various diseases. These findings seem to highlight that the beneficial effect of MSC-based treatment could be principally due by the immunomodulation and regenerative potential of these cells. MSCs could significantly reduce the pathological changes of lung and inhibit the cell-mediated immune inflammatory response induced by influenza virus in animal model . MSCs has been shown to reduce nonproductive inflammation and affect tissue regeneration and is being evaluated in patients with ARDS. Our phase I preliminary data of parallel assignment study(NCT04252118) showed that three doses of MSCs was safe in patients with COVID-19. Randomized control trial is needed to assess efficacy and safety.

The investigators will do a prospective, double-blind, multicentre, randomised trial to assess treatment with three intravenous doses of MSCs compared with placebo. 90 severe COVID-19 patients will be recruited in China. 60 patients will receive i.v. transfusion 3 times of MSCs (4.0*10E7 cells per time) and the standard of care as the treated group. In addition, the 30 patients will receive placebo and standard of care as control group.

Change in lesion proportion (%) of full lung volume from baseline to day 10, day28 and 90, change in consolidation/ ground-glass lesion proportion (%) of full lung volume from baseline to day 10, 28 and 90, time to clinical improvement in 28 days, mMRC (Modified Medical Research Council) dyspnea scale, 6-minute walk test, maximum vital capacity (VCmax), Diffusing Capacity (DLCO), oxygen saturation, oxygenation index, duration of oxygen therapy, side effects, immunological characteristics (immune cells, inflammatory factors, etc.) will be evaluated during the 90 days follow up.

Studietype

Intervensjonell

Registrering (Faktiske)

100

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • Hubei
      • Wuhan, Hubei, Kina, 430000
        • General Hospital of Central Theater Command
      • Wuhan, Hubei, Kina, 430000
        • Maternal and Child Hospital of Hubei Province
      • Wuhan, Hubei, Kina, 430000
        • Wuhan Huoshenshan Hospital

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 75 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  1. Male or female, aged at 18 years (including) -75 years old
  2. Hospitalized
  3. Laboratory confirmation of SARS-CoV-2 infection by reverse-transcription polymerase chain reaction (RT-PCR) from any diagnostic sampling source
  4. Pneumonia that is judged by computed tomography
  5. In accordance with any one of the following : 1)dyspnea (RR ≥ 30 times / min), 2)finger oxygen saturation ≤ 93% in resting state, 3)arterial oxygen partial pressure (PaO2) / oxygen absorption concentration (FiO2) ≤ 300MMHG, 4)pulmonary imaging shows that the focus progress > 50% in 24-48 hours
  6. Interstitial lung damage is judged by computed tomography.

Exclusion Criteria:

  1. Pregnancy, lactation and those who are not pregnant but do not take effective contraceptives measures;
  2. Patients with malignant tumor, other serious systemic diseases and psychosis;
  3. Patients who are participating in other clinical trials;
  4. Inability to provide informed consent or to comply with test requirements.
  5. Co-Infection of HIV, tuberculosis, influenza virus, adenovirus and other respiratory infection virus.
  6. Invasive ventilation
  7. Shock
  8. Combined with other organ failure( need organ support)
  9. Interstitial lung damage caused by other reasons ( in 2 weeks)
  10. The pulmonary imaging revealed the interstitial damage of lungs before the COVID-19 confirmed.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Human Umbilical Cord-Mesenchymal Stem Cells (UC-MSCs)
Participants will receive standard of care plus 3 does of UC-MSCs
3 does of UC-MSCs(4.0*10E7 cells per time) intravenously at Day 0, Day 3, Day 6.
Placebo komparator: Placebo
Participants will receive standard of care plus 3 does of placebo
3 does of placebo(intravenously at Day 0, Day 3, Day 6)

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in lesion proportion (%) of full lung volume from baseline to day 28.
Tidsramme: Day 28
Evaluation of Pneumonia Improvement
Day 28

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in lesion proportion (%) of full lung volume from baseline to day 10 and 90
Tidsramme: Day 10, Day 90
Evaluation of Pneumonia Improvement
Day 10, Day 90
Change in consolidation lesion proportion (%) of full lung volume from baseline to day 10, 28 and 90.
Tidsramme: Day 10, Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 10, Day 28, Day 90
Change in ground-glass lesion proportion (%) of full lung volume from baseline to day 10, 28 and 90.
Tidsramme: Day 10, Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 10, Day 28, Day 90
Pulmonary fibrosis - related morphological features in CT scan at day 90 a. cord-like shadow b. honeycomb-like shadows c. interlobular septal thickening d. intralobular interstitial thickening e. pleural thickening
Tidsramme: Day 90
Evaluation of Pneumonia Improvement
Day 90
Lung densitometry: Change in total voxel 'weight' in lesion area voxel 'weight'=voxel density (in HU) × voxel volume (in voxel)
Tidsramme: Day 10, Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 10, Day 28, Day 90
Lung densitometry: volumes histogram of lung density distribution (<-750, -750~-300, -300~50, >50) at day 10, 28 and 90.
Tidsramme: Day 10, Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 10, Day 28, Day 90
Time to clinical improvement in 28 days.
Tidsramme: Day 28

Clinical improvement defined as a one-point deduction from baseline in a 6 ordinal scale:

  1. Not hospitalized;
  2. Hospitalized, not requiring supplemental oxygen;
  3. Hospitalized, requiring supplemental oxygen;
  4. Hospitalized, on non-invasive ventilation or high flow oxygen devices;
  5. Hospitalized, on invasive mechanical ventilation or ECMO;
  6. Death.
Day 28
Oxygenation index( PaO2/FiO2)
Tidsramme: Day 6, Day 10, Day 28
Evaluation of Pneumonia Improvement
Day 6, Day 10, Day 28
Duration of oxygen therapy(days)
Tidsramme: Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 28, Day 90
Blood oxygen saturation
Tidsramme: Day 6, Day 10, Day 28
Evaluation of Pneumonia Improvement
Day 6, Day 10, Day 28
6-minute walk test
Tidsramme: Day 28, Day 90
Evaluation of Pneumonia Improvement
Day 28, Day 90
Maximum vital capacity (VCmax)
Tidsramme: Baseline, Day 10, Day 14, Day 21, Day 28, Day 90
Evaluation of Pneumonia Improvement
Baseline, Day 10, Day 14, Day 21, Day 28, Day 90
Diffusing Capacity (DLCO)
Tidsramme: Baseline, Day 10, Day 14, Day 21, Day 28, Day 90
Evaluation of Pneumonia Improvement
Baseline, Day 10, Day 14, Day 21, Day 28, Day 90
mMRC (Modified Medical Research Council) dyspnea scale
Tidsramme: Day 28, Day 90

Evaluation of Pneumonia Improvement

No limitation of activities, discharged from hospital =Score 1; Hospitalized, no oxygen therapy=Score 2; Oxygen by mask or nasal prongs-Score 3; Non-invasive ventilation or high-flow oxygen=Score 4; Mechanical ventilation or ECMO=Score 5; Death=Score 6.

Day 28, Day 90
Changes of absolute lymphocyte counts and subsets from baseline to day 6, 10, 28 and 90.
Tidsramme: Day 6, Day 10, Day 28, Day 90
Marker of Immunological function
Day 6, Day 10, Day 28, Day 90
Changes of cytokine/chemokine levels from baseline to day 6, 10, 28 and 90.
Tidsramme: Day 6, Day 10, Day 28, Day 90
Marker of Immunological function
Day 6, Day 10, Day 28, Day 90
Adverse events
Tidsramme: Day 0 through Day 90
Safety endpoints
Day 0 through Day 90
Serious adverse events
Tidsramme: Day 0 through Day 90
Safety endpoints
Day 0 through Day 90
All-cause mortality
Tidsramme: Day 0 through Day 90
Safety endpoints
Day 0 through Day 90

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

5. mars 2020

Primær fullføring (Faktiske)

12. mai 2020

Studiet fullført (Faktiske)

9. juli 2020

Datoer for studieregistrering

Først innsendt

24. februar 2020

Først innsendt som oppfylte QC-kriteriene

25. februar 2020

Først lagt ut (Faktiske)

28. februar 2020

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

19. august 2020

Siste oppdatering sendt inn som oppfylte QC-kriteriene

18. august 2020

Sist bekreftet

1. august 2020

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

After approval from the steering committee and the Human Genetic Resources Administration of China, this trial data can be shared with qualifying researchers who submit a proposal with a valuable research question. A contract should be signed.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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