Trial Outcomes & Findings for Repeat Doses of SB-728mR-T After Cyclophosphamide Conditioning in HIV-Infected Subjects on HAART (NCT NCT02225665)

NCT ID: NCT02225665

Last Updated: 2021-03-19

Results Overview

Number of Participants with Treatment related Adverse Events in subjects who received any portion of the SB-728mR-T infusion

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

8 participants

Primary outcome timeframe

12 months

Results posted on

2021-03-19

Participant Flow

Participant milestones

Participant milestones
Measure
Cohort 1
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Overall Study
STARTED
3
5
Overall Study
COMPLETED
2
4
Overall Study
NOT COMPLETED
1
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Cohort 1
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Overall Study
Subject moved from area and finds it difficult to return for visits.
1
0
Overall Study
Subject restarted HAART prior to month 18.
0
1

Baseline Characteristics

Repeat Doses of SB-728mR-T After Cyclophosphamide Conditioning in HIV-Infected Subjects on HAART

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cohort 1
n=3 Participants
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 Participants
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Total
n=8 Participants
Total of all reporting groups
Age, Continuous
59.0 years
STANDARD_DEVIATION 8.19 • n=5 Participants
39.6 years
STANDARD_DEVIATION 10.09 • n=7 Participants
46.9 years
STANDARD_DEVIATION 13.35 • n=5 Participants
Sex: Female, Male
Female
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
5 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
3 Participants
n=5 Participants
4 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
3 Participants
n=5 Participants
4 Participants
n=7 Participants
7 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 12 months

Population: Safety Analysis Set

Number of Participants with Treatment related Adverse Events in subjects who received any portion of the SB-728mR-T infusion

Outcome measures

Outcome measures
Measure
Cohort 1
n=3 Participants
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 Participants
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Primary Outcome Measure
1 Participants
2 Participants

SECONDARY outcome

Timeframe: 12 months

Population: Safety analysis set

Effect of repeat doses of SB-728mR-T on engraftment following cyclophosphamide conditioning as measured by CCR5 Modified CD4 Cells at Month 12.

Outcome measures

Outcome measures
Measure
Cohort 1
n=2 Participants
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 Participants
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Secondary Outcome Measure
0.090 cells 10^9/L
Standard Deviation 0.0015
0.162 cells 10^9/L
Standard Deviation 0.0818

SECONDARY outcome

Timeframe: 12 months

Population: Safety analysis set

Effect of SB-728mR-T on plasma HIV-1 RNA levels following HAART interruption

Outcome measures

Outcome measures
Measure
Cohort 1
n=2 Participants
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 Participants
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Secondary Outcome Measure
3.218 log copies/mL
Standard Deviation 1.9243
1.228 log copies/mL
Standard Deviation 1.7029

SECONDARY outcome

Timeframe: Baseline and 12 months

Population: Safety analysis set

Change from baseline to month 12 in CD4+ T-cell counts in peripheral blood after repeat treatments with SB-728mR-T. (i.e. month 12 value - baseline value)

Outcome measures

Outcome measures
Measure
Cohort 1
n=2 Participants
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 Participants
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Secondary Outcome Measure
-0.178 cells 10^9/L
Standard Deviation 0.0445
0.078 cells 10^9/L
Standard Deviation 0.2796

Adverse Events

Cohort 1

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Cohort 2

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Cohort 1
n=3 participants at risk
SB-728mR-T infusions of 2 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Cohort 2
n=5 participants at risk
SB-728mR-T infusions of 3 equal doses 14 days apart (total of up to 40 billion ZFN modified T-cells) Cyclophosphamide: - IV cyclophosphamide 1 g/m2 two days prior to the first SB-728mR-T infusion
Gastrointestinal disorders
Diarrhoea
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Gastrointestinal disorders
Gastric ulcer
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
General disorders
Chest discomfort
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
General disorders
Chills
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
General disorders
Fatigue
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
General disorders
Pyrexia
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Infections and infestations
Chlamydial infection
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Infections and infestations
Conjunctivitis
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Infections and infestations
Nasopharyngitis
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Infections and infestations
Pharyngitis streptococcal
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Infections and infestations
Tooth infection
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Infections and infestations
Upper respiratory tract infection
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Metabolism and nutrition disorders
Cachexia
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Musculoskeletal and connective tissue disorders
Muscle spasms
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Musculoskeletal and connective tissue disorders
Musculoskeletal pain
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Nervous system disorders
Dizziness
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Nervous system disorders
Dysgeusia
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Nervous system disorders
Sciatica
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year
Renal and urinary disorders
Nephrolithiasis
33.3%
1/3 • 1 year
0.00%
0/5 • 1 year
Skin and subcutaneous tissue disorders
Alopecia
33.3%
1/3 • 1 year
40.0%
2/5 • 1 year
Skin and subcutaneous tissue disorders
Rash
33.3%
1/3 • 1 year
20.0%
1/5 • 1 year
Skin and subcutaneous tissue disorders
Skin odour abnormal
0.00%
0/3 • 1 year
40.0%
2/5 • 1 year
Skin and subcutaneous tissue disorders
Rosacea
0.00%
0/3 • 1 year
20.0%
1/5 • 1 year

Additional Information

Medical Monitor

Sangamo Therapeutics

Phone: 510-970-6000

Results disclosure agreements

  • Principal investigator is a sponsor employee All proposed written materials related to the study or an outline of any proposed oral presentations, shall be submitted to Sangamo for approval at least 45 days prior to submission of materials for publication or any oral disclosure to a third party. If Sangamo determines that a description of patentable subject matter is contained in such written material or outline, it shall notify the clinical site within 1 month after receipt and Sangamo will have an additional 90 days for review.
  • Publication restrictions are in place

Restriction type: OTHER