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NCT02598661 · ADVERSE EVENTS

Adverse events

Study to Evaluate Imetelstat (GRN163L) in Participants With International Prognostic Scoring System (IPSS) Low or Intermediate-1 Risk Myelodysplastic Syndrome (MDS) · Source last updated 2026-07-17

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Adverse events occurred during the study; they are not necessarily caused by treatment. Serious events are not interchangeable with severe/grade 3–4 events. These safety populations may differ from efficacy populations.

Collection time frame
Adverse events: Up to 5 years in Phase 2; up to 3.7 years in Phase 3; up to 1.3 years in QTc substudy; All-cause mortality: Up to 6.6 years in Phase 2; up to 4 years in Phase 3; up to 1.6 years in QTc substudy
Other-event reporting threshold
5%

Safety Analysis Set=all participants who received at least 1 dose of study drug. Safety data for Phase 2 arm has been reported separately for the participants without dose escalation and with dose escalation from 7.5 mg/kg to 9.4 mg/kg. QTc Substudy: Crossover arm includes AEs data after crossover from placebo to Imetelstat. Placebo arm included AE data for participants randomized to placebo prior to crossover.

Participants affected / participants at risk, as reported
Safety groupSerious eventsOther eventsDeaths
Phase 2: Imetelstat Sodium (No Dose Escalation)

Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.

26 / 5050 / 5024 / 50
Phase 2: Imetelstat Sodium (Escalated to 9.4 mg/kg)

Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) with dose escalation to 9.4 mg/kg allowed before Protocol Amendment 2, until death, lost to follow up, withdrawal of consent, or study termination, whichever occurs first.

1 / 76 / 73 / 7
Phase 3: Imetelstat Sodium

Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.

41 / 118117 / 11835 / 118
Phase 3: Placebo

Imetelstat sodium-matching placebo administered IV, every 4 weeks (on a 28-day cycle), until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.

13 / 5958 / 5915 / 59
QTc Substudy: Imetelstat Sodium

Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.

8 / 3533 / 351 / 35
QTc Substudy: Crossover Imetelstat Sodium

After a minimum of 2 treatment cycles (28-day cycle) if a participant had no significant change to pRBC transfusion burden or evidence of clinical benefit per Investigator, after discussion with the Sponsor the participant was crossed over from placebo to receive imetelstat sodium 7.5 mg/kg.

3 / 1412 / 140 / 14
QTc Substudy: Placebo

Imetelstat sodium matching placebo administered IV, every 4 weeks (on a 28-day cycle), until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first. If after a minimum of 2 treatment cycles a participant has no significant change to pRBC transfusion burden or evidence of clinical benefit per Investigator, after discussion with the Sponsor the participant, he/she may be permitted to start treatment with imetelstat sodium.

0 / 1813 / 180 / 18

Group identifiers: EG000: Phase 2: Imetelstat Sodium (No Dose Escalation) · EG001: Phase 2: Imetelstat Sodium (Escalated to 9.4 mg/kg) · EG002: Phase 3: Imetelstat Sodium · EG003: Phase 3: Placebo · EG004: QTc Substudy: Imetelstat Sodium · EG005: QTc Substudy: Crossover Imetelstat Sodium · EG006: QTc Substudy: Placebo

Serious adverse events

Event terms and counts are source-reported; expand to read more. A reporting threshold may omit less frequent events.

  1. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      2
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      3
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      1
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      1
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Pneumonia
  2. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Atypical pneumonia
  3. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Bronchitis
  4. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      2
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      3
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    COVID-19 pneumonia
  5. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Cellulitis
  6. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Cellulitis staphylococcal
  7. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Corynebacterium infection
  8. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Dermo-hypodermitis
  9. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Disseminated tuberculosis
  10. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Escherichia bacteraemia
  11. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Escherichia urinary tract infection
  12. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      2
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Sepsis

Other reported adverse events

Event terms and counts are source-reported; expand to read more. A reporting threshold may omit less frequent events.

  1. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      36
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      89
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      5
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      26
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      8
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      2
      num At Risk
      18
    term
    Neutropenia
  2. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      33
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      89
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      6
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      25
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      9
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      3
      num At Risk
      18
    term
    Thrombocytopenia
  3. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      12
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      23
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      7
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      3
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Anaemia
  4. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      11
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      12
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      1
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      5
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      3
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Leukopenia
  5. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      10
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      10
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      7
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Pyrexia
  6. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      7
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      15
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      8
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      3
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      2
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Oedema peripheral
  7. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      5
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      9
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      4
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      5
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      2
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Fatigue
  8. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      4
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      21
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      8
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      2
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Asthenia
  9. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      2
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      2
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Influenza like illness
  10. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      3
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      1
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Non-cardiac chest pain
  11. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      10
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      7
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      2
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Urinary tract infection
  12. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      6
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Nasopharyngitis
Complete source fields
description
Safety Analysis Set=all participants who received at least 1 dose of study drug. Safety data for Phase 2 arm has been reported separately for the participants without dose escalation and with dose escalation from 7.5 mg/kg to 9.4 mg/kg. QTc Substudy: Crossover arm includes AEs data after crossover from placebo to Imetelstat. Placebo arm included AE data for participants randomized to placebo prior to crossover.
event Groups
  1. deaths Num Affected
    24
    deaths Num At Risk
    50
    description
    Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.
    id
    EG000
    other Num Affected
    50
    other Num At Risk
    50
    serious Num Affected
    26
    serious Num At Risk
    50
    title
    Phase 2: Imetelstat Sodium (No Dose Escalation)
  2. deaths Num Affected
    3
    deaths Num At Risk
    7
    description
    Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) with dose escalation to 9.4 mg/kg allowed before Protocol Amendment 2, until death, lost to follow up, withdrawal of consent, or study termination, whichever occurs first.
    id
    EG001
    other Num Affected
    6
    other Num At Risk
    7
    serious Num Affected
    1
    serious Num At Risk
    7
    title
    Phase 2: Imetelstat Sodium (Escalated to 9.4 mg/kg)
  3. deaths Num Affected
    35
    deaths Num At Risk
    118
    description
    Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.
    id
    EG002
    other Num Affected
    117
    other Num At Risk
    118
    serious Num Affected
    41
    serious Num At Risk
    118
    title
    Phase 3: Imetelstat Sodium
  4. deaths Num Affected
    15
    deaths Num At Risk
    59
    description
    Imetelstat sodium-matching placebo administered IV, every 4 weeks (on a 28-day cycle), until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.
    id
    EG003
    other Num Affected
    58
    other Num At Risk
    59
    serious Num Affected
    13
    serious Num At Risk
    59
    title
    Phase 3: Placebo
  5. deaths Num Affected
    1
    deaths Num At Risk
    35
    description
    Imetelstat sodium administered IV, at a starting dose of 7.5 mg/kg, every 4 weeks (on a 28-day cycle) until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first.
    id
    EG004
    other Num Affected
    33
    other Num At Risk
    35
    serious Num Affected
    8
    serious Num At Risk
    35
    title
    QTc Substudy: Imetelstat Sodium
  6. deaths Num Affected
    0
    deaths Num At Risk
    14
    description
    After a minimum of 2 treatment cycles (28-day cycle) if a participant had no significant change to pRBC transfusion burden or evidence of clinical benefit per Investigator, after discussion with the Sponsor the participant was crossed over from placebo to receive imetelstat sodium 7.5 mg/kg.
    id
    EG005
    other Num Affected
    12
    other Num At Risk
    14
    serious Num Affected
    3
    serious Num At Risk
    14
    title
    QTc Substudy: Crossover Imetelstat Sodium
  7. deaths Num Affected
    0
    deaths Num At Risk
    18
    description
    Imetelstat sodium matching placebo administered IV, every 4 weeks (on a 28-day cycle), until death, lost to follow-up, withdrawal of consent, or study termination whichever occurs first. If after a minimum of 2 treatment cycles a participant has no significant change to pRBC transfusion burden or evidence of clinical benefit per Investigator, after discussion with the Sponsor the participant, he/she may be permitted to start treatment with imetelstat sodium.
    id
    EG006
    other Num Affected
    13
    other Num At Risk
    18
    serious Num Affected
    0
    serious Num At Risk
    18
    title
    QTc Substudy: Placebo
frequency Threshold
5
other Events
  1. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      36
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      89
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      5
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      26
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      8
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      2
      num At Risk
      18
    term
    Neutropenia
  2. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      33
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      89
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      6
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      25
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      9
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      3
      num At Risk
      18
    term
    Thrombocytopenia
  3. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      12
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      23
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      7
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      3
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Anaemia
  4. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Blood and lymphatic system disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      11
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      12
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      1
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      5
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      3
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Leukopenia
  5. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      10
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      10
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      7
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Pyrexia
  6. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      7
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      15
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      8
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      3
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      2
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Oedema peripheral
  7. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      5
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      9
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      4
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      5
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      2
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Fatigue
  8. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      4
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      21
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      8
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      2
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Asthenia
  9. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      2
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      2
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      2
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Influenza like illness
  10. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    General disorders
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      3
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      1
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      1
      num At Risk
      18
    term
    Non-cardiac chest pain
  11. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      10
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      7
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      2
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Urinary tract infection
  12. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      6
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      1
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Nasopharyngitis
serious Events
  1. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      2
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      3
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      1
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      1
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Pneumonia
  2. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Atypical pneumonia
  3. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Bronchitis
  4. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      2
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      3
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    COVID-19 pneumonia
  5. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Cellulitis
  6. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Cellulitis staphylococcal
  7. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Corynebacterium infection
  8. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Dermo-hypodermitis
  9. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Disseminated tuberculosis
  10. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Escherichia bacteraemia
  11. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      0
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      0
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Escherichia urinary tract infection
  12. assessment Type
    SYSTEMATIC_ASSESSMENT
    organ System
    Infections and infestations
    source Vocabulary
    MedDRA (25.0)
    stats
    1. group Id
      EG000
      num Affected
      1
      num At Risk
      50
    2. group Id
      EG001
      num Affected
      0
      num At Risk
      7
    3. group Id
      EG002
      num Affected
      2
      num At Risk
      118
    4. group Id
      EG003
      num Affected
      0
      num At Risk
      59
    5. group Id
      EG004
      num Affected
      0
      num At Risk
      35
    6. group Id
      EG005
      num Affected
      1
      num At Risk
      14
    7. group Id
      EG006
      num Affected
      0
      num At Risk
      18
    term
    Sepsis
time Frame
Adverse events: Up to 5 years in Phase 2; up to 3.7 years in Phase 3; up to 1.3 years in QTc substudy; All-cause mortality: Up to 6.6 years in Phase 2; up to 4 years in Phase 3; up to 1.6 years in QTc substudy

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Preserved source evidence · Not medical advice