Trial Outcomes & Findings for Gabapentin in the Prevention of Nausea and Vomiting Induced by Chemotherapy (NCT NCT01052844)

NCT ID: NCT01052844

Last Updated: 2014-03-07

Results Overview

The CR was defined as no emetic episodes and no nausea episodes from day 1 to day 5 (0-120h)

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

80 participants

Primary outcome timeframe

5 days

Results posted on

2014-03-07

Participant Flow

This was a prospective, double-blind, placebo-controlled study conducted at our institution (Faculdade de Medicina da Fundação ABC and affiliated Hospitals) from April 2009 to April 2010. Patients and personnel involved in the study were blinded to the assigned treatment.

Patients and personnel involved in the study were blinded to the assigned treatment. The study was approved by the ethics committee of our institution. All the patients provided written informed consent. No enrolled participants were excluded from the trial.

Participant milestones

Participant milestones
Measure
Control Group
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Overall Study
STARTED
40
40
Overall Study
COMPLETED
40
39
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Control Group
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Overall Study
Adverse Event
0
1

Baseline Characteristics

Gabapentin in the Prevention of Nausea and Vomiting Induced by Chemotherapy

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Control Group
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Total
n=80 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
34 Participants
n=5 Participants
34 Participants
n=7 Participants
68 Participants
n=5 Participants
Age, Categorical
>=65 years
6 Participants
n=5 Participants
6 Participants
n=7 Participants
12 Participants
n=5 Participants
Age, Continuous
52.3 years
STANDARD_DEVIATION 10.4 • n=5 Participants
55.6 years
STANDARD_DEVIATION 9.9 • n=7 Participants
53.9 years
STANDARD_DEVIATION 10.2 • n=5 Participants
Sex: Female, Male
Female
39 Participants
n=5 Participants
36 Participants
n=7 Participants
75 Participants
n=5 Participants
Sex: Female, Male
Male
1 Participants
n=5 Participants
4 Participants
n=7 Participants
5 Participants
n=5 Participants
Region of Enrollment
Brazil
40 participants
n=5 Participants
40 participants
n=7 Participants
80 participants
n=5 Participants

PRIMARY outcome

Timeframe: 5 days

The CR was defined as no emetic episodes and no nausea episodes from day 1 to day 5 (0-120h)

Outcome measures

Outcome measures
Measure
Control Group
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Number of Patients With Complete Response During Chemotherapy Course 1
17 participants
26 participants

PRIMARY outcome

Timeframe: 6 days

Complete response during delayed-onset phase was defined as the absence of any episode of nausea or vomiting and no use of rescue medication when occurring during the period from days 2 through 5 after chemotherapy

Outcome measures

Outcome measures
Measure
Control Group
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
n=40 Participants
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Number of Patients With CR During Delayed-onset Phase (24-120 Hours) After Administration of Chemotherapy Course 1
21 participants
29 participants

Adverse Events

Control Group

Serious events: 0 serious events
Other events: 22 other events
Deaths: 0 deaths

Gabapentin

Serious events: 0 serious events
Other events: 23 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Control Group
n=40 participants at risk
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Placebo: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gabapentin
n=40 participants at risk
Dexamethasone 10mg + Ondansetron 8mg + Ranitidine 50mg , IV, before chemotherapy infusion (D1) Dexamethasone 8mg orally 24h (day 2) and 48h (day 3) after chemotherapy Gabapentin 300mg: * Five and four days before chemotherapy (day -5 and day -4): 1x daily * Three and two days before chemotherapy (day -3 and day -2): 2x daily * One day before to five days after chemotherapy ( day -1 to day 5): 3x daily
Gastrointestinal disorders
Diarrhoea
12.5%
5/40 • Number of events 5 • Adverse event data were colected from day 1 to day 6 after chemotherapy
12.5%
5/40 • Number of events 5 • Adverse event data were colected from day 1 to day 6 after chemotherapy
Gastrointestinal disorders
Constipation
30.0%
12/40 • Number of events 12 • Adverse event data were colected from day 1 to day 6 after chemotherapy
45.0%
18/40 • Number of events 18 • Adverse event data were colected from day 1 to day 6 after chemotherapy
Gastrointestinal disorders
Xerostomia
47.5%
19/40 • Number of events 19 • Adverse event data were colected from day 1 to day 6 after chemotherapy
57.5%
23/40 • Number of events 23 • Adverse event data were colected from day 1 to day 6 after chemotherapy
Gastrointestinal disorders
Heartburn
25.0%
10/40 • Number of events 10 • Adverse event data were colected from day 1 to day 6 after chemotherapy
32.5%
13/40 • Number of events 13 • Adverse event data were colected from day 1 to day 6 after chemotherapy
Nervous system disorders
Sleepiness
47.5%
19/40 • Number of events 19 • Adverse event data were colected from day 1 to day 6 after chemotherapy
45.0%
18/40 • Number of events 18 • Adverse event data were colected from day 1 to day 6 after chemotherapy
Ear and labyrinth disorders
Dizziness
32.5%
13/40 • Number of events 13 • Adverse event data were colected from day 1 to day 6 after chemotherapy
45.0%
18/40 • Number of events 18 • Adverse event data were colected from day 1 to day 6 after chemotherapy

Additional Information

Felipe Melo Cruz

Faculdade de Medicina do ABC

Phone: +55+11+27595914

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place