Trial Outcomes & Findings for Cefixime for Alternative Syphilis Treatment (NCT NCT03660488)

NCT ID: NCT03660488

Last Updated: 2022-07-26

Results Overview

subjects who have a 4-fold decrease (from study entry Rapid plasma reagin) in Rapid plasma reagintiters from baseline at 3 or 6 months will be considered a positive treatment response.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

58 participants

Primary outcome timeframe

3 or 6 months after treatment completion

Results posted on

2022-07-26

Participant Flow

Participant milestones

Participant milestones
Measure
Benzathine Penicillin G
Patients of the "Penicillin Group" will receive the standard of care treatment. This is one intramuscular injection of 2.4 million units Benzathine Penicillin G. The group will consist of 50 patients. Benzathine Penicillin G: The control group will receive Benzathine Penicillin G 2.4 Million Units intramuscularly for treatment of syphilis. Penicillin is the indicated treatment for syphilis infection
Cefixime Group
Patients of the "Cefixime Group" will receive Cefixime 400 mg, per os, one tablet, two times per day, for ten consecutive days. The study team will provide the medication. The group will consist of 50 patients. Cefixime 400 milligram Oral Capsule \[Suprax\]: The intervention group will receive Cefixime 400mg, one tablet twice per day, for ten consecutive days
Overall Study
STARTED
31
27
Overall Study
COMPLETED
31
27
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Cefixime for Alternative Syphilis Treatment

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Benzathine Penicillin G
n=31 Participants
Patients of the "Penicillin Group" will receive the standard of care treatment. This is one intramuscular injection of 2.4 million units Benzathine Penicillin G. The group will consist of 50 patients. Benzathine Penicillin G: The control group will receive Benzathine Penicillin G 2.4 Million Units intramuscularly for treatment of syphilis. Penicillin is the indicated treatment for syphilis infection
Cefixime Group
n=27 Participants
Patients of the "Cefixime Group" will receive Cefixime 400 mg, per os, one tablet, two times per day, for ten consecutive days. The study team will provide the medication. The group will consist of 50 patients. Cefixime 400 milligram Oral Capsule \[Suprax\]: The intervention group will receive Cefixime 400mg, one tablet twice per day, for ten consecutive days
Total
n=58 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
31 Participants
n=99 Participants
26 Participants
n=107 Participants
57 Participants
n=206 Participants
Age, Categorical
>=65 years
0 Participants
n=99 Participants
1 Participants
n=107 Participants
1 Participants
n=206 Participants
Age, Continuous
39 years
n=99 Participants
39 years
n=107 Participants
39 years
n=206 Participants
Sex: Female, Male
Female
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Sex: Female, Male
Male
31 Participants
n=99 Participants
27 Participants
n=107 Participants
58 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
19 Participants
n=99 Participants
18 Participants
n=107 Participants
37 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
12 Participants
n=99 Participants
9 Participants
n=107 Participants
21 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race/Ethnicity, Customized
Race/ethnicity · Hispanic/Latinx, or Spanish Origin
19 Participants
n=99 Participants
18 Participants
n=107 Participants
37 Participants
n=206 Participants
Race/Ethnicity, Customized
Race/ethnicity · Non-Hispanic African American
5 Participants
n=99 Participants
4 Participants
n=107 Participants
9 Participants
n=206 Participants
Race/Ethnicity, Customized
Race/ethnicity · Non-Hispanic White
6 Participants
n=99 Participants
4 Participants
n=107 Participants
10 Participants
n=206 Participants
Race/Ethnicity, Customized
Race/ethnicity · Non-Hispanic Asian/Hawaiian/Pacific Islander
1 Participants
n=99 Participants
1 Participants
n=107 Participants
2 Participants
n=206 Participants
Region of Enrollment
United States
31 Participants
n=99 Participants
27 Participants
n=107 Participants
58 Participants
n=206 Participants

PRIMARY outcome

Timeframe: 3 or 6 months after treatment completion

subjects who have a 4-fold decrease (from study entry Rapid plasma reagin) in Rapid plasma reagintiters from baseline at 3 or 6 months will be considered a positive treatment response.

Outcome measures

Outcome measures
Measure
Benzathine Penicillin G
n=15 Participants
Patients of the "Penicillin Group" will receive the standard of care treatment. This is one intramuscular injection of 2.4 million units Benzathine Penicillin G. The group will consist of 50 patients. Benzathine Penicillin G: The control group will receive Benzathine Penicillin G 2.4 Million Units intramuscularly for treatment of syphilis. Penicillin is the indicated treatment for syphilis infection
Cefixime Group
n=15 Participants
Patients of the "Cefixime Group" will receive Cefixime 400 mg, per os, one tablet, two times per day, for ten consecutive days. The study team will provide the medication. The group will consist of 50 patients. Cefixime 400 milligram Oral Capsule \[Suprax\]: The intervention group will receive Cefixime 400mg, one tablet twice per day, for ten consecutive days
Treatment Response
14 Participants
13 Participants

Adverse Events

Benzathine Penicillin G

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

Cefixime Group

Serious events: 1 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Benzathine Penicillin G
n=31 participants at risk
Patients of the "Penicillin Group" will receive the standard of care treatment. This is one intramuscular injection of 2.4 million units Benzathine Penicillin G. The group will consist of 50 patients. Benzathine Penicillin G: The control group will receive Benzathine Penicillin G 2.4 Million Units intramuscularly for treatment of syphilis. Penicillin is the indicated treatment for syphilis infection
Cefixime Group
n=27 participants at risk
Patients of the "Cefixime Group" will receive Cefixime 400 mg, per os, one tablet, two times per day, for ten consecutive days. The study team will provide the medication. The group will consist of 50 patients. Cefixime 400 milligram Oral Capsule \[Suprax\]: The intervention group will receive Cefixime 400mg, one tablet twice per day, for ten consecutive days
Skin and subcutaneous tissue disorders
Mild Skin Rash
0.00%
0/31 • Adverse event data were collected throughout the duration of the study (12 months) starting from enrollment. Evaluation for adverse events occurred during follow ups; for the cefixime group we evaluated adverse events during the 10-day visit. Participants and study clinicians were instructed to report any occurrence to the study team for review.
In case of an adverse event, participants were instructed to contact the study team. The team had provided necessary clinic and study team contact informaion
3.7%
1/27 • Number of events 1 • Adverse event data were collected throughout the duration of the study (12 months) starting from enrollment. Evaluation for adverse events occurred during follow ups; for the cefixime group we evaluated adverse events during the 10-day visit. Participants and study clinicians were instructed to report any occurrence to the study team for review.
In case of an adverse event, participants were instructed to contact the study team. The team had provided necessary clinic and study team contact informaion

Other adverse events

Adverse event data not reported

Additional Information

Jeffrey D Klausner MD MPH, Clinical Professor of Population and Public Health Sciences

University of Southern California

Phone: 4158768901

Results disclosure agreements

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