Protocol summary

Study aim
The objectives of this study are to assess effectiveness and safety of Spartina®
Design
Before-after, single-armed, prospective, real-world, non-randomized study in 38 patients
Settings and conduct
Eligible individuals presenting to the determined centers will enter the run-in period and will undergo CGM for one month. At the end of this period, they will be enrolled in the study if they meet all eligibility criteria upon final assessment. Spartina® will be administered once weekly throughout the three-month study period. During the first month, the weekly dose will be 2.5 mg. If the medication is well tolerated, after one month the dose should be increased to 5 mg. In the third month, the dose may be increased to 7.5 mg at the physician's discretion. Data will be collected throughout the treatment period and will undergo analysis and the results will be reported.
Participants/Inclusion and exclusion criteria
Inclusion Criteria: 1. Male or female between 18-60 years with at least 1-year history of type -1 diabetes and BMI ≥ 27 2. Willingness to consent Exclusion criteria: 1. Use of any GLP-1 agonist or SGLT2 inhibitors or corticosteroids in the last 6 weeks 2. History of diabetic ketoacidosis, severe hypoglycemia, unstable coronary events or stroke in the last 3 months 3. History of bariatric surgery 4. Any condition that might pose a risk to the subject 5. Pregnancy or breast-feeding 6. History of proliferative diabetic retinopathy or macular edema. 7. Personal or family history of MTC or patients with MEN-2 syndrome
Intervention groups
Tirzepatide (2.5–7.5 mg once weekly), dose should be increased to 5 mg after the first month in case of good tolerability
Main outcome variables
WC, BMI, Weight, FBS, HbA1C, Glycemic variability, Insulin dose, Time of blood glucose in or out of range

General information

Reason for update
Acronym
IRCT registration information
IRCT registration number: IRCT20150303021315N47
Registration date: 2026-10-29, 1405/08/07
Registration timing: prospective

Last update: 2026-10-29, 1405/08/07
Update count: 0
Registration date
2026-10-29, 1405/08/07
Registrant information
Name
Nassim Anjidani
Name of organization / entity
Orchid Pharmed
Country
Iran (Islamic Republic of)
Phone
+98 21 4347 3000
Email address
amini@orchidpharmed.com
Recruitment status
recruiting
Funding source
Expected recruitment start date
2026-10-31, 1405/08/09
Expected recruitment end date
2027-04-29, 1406/02/09
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Evaluating the effectiveness and safety of Spartina® (Tirzepatide manufactured by CinnaGen Co.) in patients with obesity and type 1 diabetes
Public title
Before-after study of Spartina® (CinnaGen Co.)
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria:
Male or female between 18-60 years of age (inclusive) with at least 1-year history of type -1 diabetes BMI ≥ 27 Ability to comprehend and willingness to give consent for this study
Exclusion criteria:
Prior use of any GLP-1 agonist or SGLT2 inhibitors or corticosteroids in the last 6 weeks History of diabetic ketoacidosis, severe hypoglycemia, unstable coronary events or stroke in the last 3 months History of previous weight loss surgery Any condition or circumstance that might pose a risk to the subject or interfere with the ability to acquire satisfactory clinical data Pregnancy or breast-feeding History of proliferative diabetic retinopathy or macular edema Personal or family history of medullary thyroid carcinoma (MTC) or patients with multiple endocrine neoplasia syndrome type 2 (MEN 2)
Age
From 18 years old to 60 years old
Gender
Both
Phase
4
Groups that have been masked
No information
Sample size
Target sample size: 38
Randomization (investigator's opinion)
N/A
Randomization description
Blinding (investigator's opinion)
Not blinded
Blinding description
Placebo
Not used
Assignment
Single
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of Tehran University of Medical Sciences
Street address
Central Building, Tehran University of Medical Sciences, Keshavarz Boulevard, at the intersection of Qods Street, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1417653761
Approval date
2026-09-08, 1405/06/17
Ethics committee reference number
IR.TUMS.EMRl.REC.1405.070

Health conditions studied

1

Description of health condition studied
Diabetes type 1 and obesity
ICD-10 code
E10, E66.9
ICD-10 code description
Type 1 diabetes mellitus, Obesity

Primary outcomes

1

Description
Change in body weight from baseline after 12 weeks
Timepoint
Day 0, Week 12
Method of measurement
Weighting with scale

Secondary outcomes

1

Description
Proportion of patients with equal to or more than 5% weight loss at week 12
Timepoint
Day 0, Week 12
Method of measurement
Weighting with scale

2

Description
Percent change in body weight from baseline till week 12
Timepoint
Day 0, Week 12
Method of measurement
Weighting with scale

3

Description
Change from baseline in waist circumference (WC) at week 12
Timepoint
Day 0, Week 12
Method of measurement
Measurement by tape

4

Description
Change from baseline in fasting blood sugar (FBS) at week 12
Timepoint
Day 0, Week 12
Method of measurement
Laboratory test

5

Description
Change from baseline in HbA1C at week 12
Timepoint
Day 0, Week 12
Method of measurement
Laboratory test

6

Description
Change from baseline in total daily Insulin dose at week 12
Timepoint
Day 0, Week 12
Method of measurement
Insulin dose

7

Description
Change from baseline in total basal and bolus insulin dose (including rapid acting insulin types) at week 12
Timepoint
Day 0, Week 12
Method of measurement
Insulin dose

8

Description
Percent change from baseline in total daily Insulin dose at week 12
Timepoint
Day 0, Week 12
Method of measurement
Insulin dose

9

Description
Change from baseline to week 12 in glycemic variability assessed by continuous glucose monitoring (CGM)
Timepoint
Day 0, Week 12
Method of measurement
CGM

10

Description
Change from baseline to week 12 in percentage of time of blood glucose assessed by CGM in range (70-180 mg/dL)
Timepoint
Day 0, Week 12
Method of measurement
CGM

11

Description
Change from baseline to week 12 in percentage of time of blood glucose assessed by CGM >180 mg/dL
Timepoint
Day 0, Week 12
Method of measurement
CGM

12

Description
Change from baseline to week 12 in percentage of time of blood glucose assessed by CGM <70 mg/dL
Timepoint
Day 0, Week 12
Method of measurement
CGM

Intervention groups

1

Description
Following the completion of the one-month run-in period, the patient's eligibility for study participation will be reassessed, including a review of continuous blood glucose monitoring results. Treatment with Spartina® (Tirzepatide manufactured by CinnaGen Co.) will then be initiated at a dose of 2.5 mg using an autoinjector or pen injector. The medication will be administered subcutaneously once weekly in the periumbilical area, upper arm, or thigh. If the medication is well tolerated, the dose will be increased to 5 mg once weekly in the second month, at the discretion of the treating physician and in accordance with routine clinical practice. If clinically indicated based on the patient's condition, the dose may also be increased to 7.5 mg once weekly in the third month. The total treatment duration will be three months.
Category
Treatment - Drugs

Recruitment centers

1

Recruitment center
Name of recruitment center
Dr. Alireza Esteghamati Office
Full name of responsible person
Dr. Alireza Esteghamati
Street address
Unit 4, Ibn Sina Building, End of Motahari Street, Just Before Shariati Street, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1567617117
Phone
+98 21 8841 7918
Email
esteghamati@tums.ac.ir

2

Recruitment center
Name of recruitment center
Dr. Seyed Adel Jahed office
Full name of responsible person
Dr. Seyed Adel Jahed
Street address
Floor 3, No. 85, Corner of Paydarfar Alley, Falahzadeh, Golestan 2, Pasdaran, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1666938676
Phone
+98 912 237 0907
Email
adeljahed@yahoo.com

3

Recruitment center
Name of recruitment center
Dr. Farzad Hadaegh Office
Full name of responsible person
Dr. Farzad Hadaegh
Street address
Unit 6, No. 10, Alley 26, Qaem Maqam Farahani Street, Near Motahari Street, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1586985917
Phone
+98 21 8883 5403
Email
farzadhadaegh@gmail.com

4

Recruitment center
Name of recruitment center
Dr. Mohammadreza Mohajeri Tehrani Office
Full name of responsible person
Dr. Mohammadreza Mohajeri Tehrani
Street address
2nd Floor, No. 103, Shokrollah St., North Kargar St., Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1944863191
Phone
+98 912 159 0305
Email
mrmohajeri@tums.ac.ir

5

Recruitment center
Name of recruitment center
Dr. Amir Kamran Nikousokhan office
Full name of responsible person
Dr. Amir Kamran Nikousokhan
Street address
Unit 5, 1st Floor, No. 17, Shohada Alley, Mirza Shirazi Street, near Motahari Street, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1586744744
Phone
+98 912 336 7719
Email
Amirkamranniko@yahoo.com

6

Recruitment center
Name of recruitment center
Dr. Majid Valizade office
Full name of responsible person
Dr. Majid Valizade
Street address
Unit 10, Shafa Building, 4th Alley, opposite Tehran Clinic, Qaem-Maqam St., Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1586833535
Phone
+98 912 105 8509
Email
Valizade.m@gmail.com

7

Recruitment center
Name of recruitment center
Dr. Mahtab Niroomand office
Full name of responsible person
Dr. Mahtab Niroomand
Street address
4th Floor, Unit 14, No. 17, Hafezi (Dad) Street, Shariati Street, near Sadr Bridge and Gheytarieh Metro Station, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1931661988
Phone
+98 912 619 1851
Email
mahtabniroomand@yahoo.com

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
CinnaGen Company
Full name of responsible person
Mehran Montajabi Niyati
Street address
Simin Dasht Industrial Park, Karaj, Alborz, Iran
City
karaj
Province
Alborz
Postal code
3165933155
Phone
+98 26 3667 0334
Email
info@cinnagen.com
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
CinnaGen Company
Proportion provided by this source
100
Public or private sector
Private
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Industry

Person responsible for general inquiries

Contact
Name of organization / entity
Zist Orchid Pharmed Co
Full name of responsible person
Dr. Hamidreza Kafi
Position
Medical Department Manager
Latest degree
Ph.D.
Other areas of specialty/work
Medical Pharmacy
Street address
No 42. Attar sq, Attar st, Valiasr st, Vanak sq, Tehran, Iran.
City
Tehran
Province
Tehran
Postal code
1994766411
Phone
+98 21 4347 3000
Email
Kafi.H@orchidpharmed.com

Person responsible for scientific inquiries

Contact
Name of organization / entity
Tehran University of Medical Sciences
Full name of responsible person
Dr. Alireza Esteghamati
Position
Professor
Latest degree
Specialist
Other areas of specialty/work
فوق تخصص غدد و متابولیسم
Street address
Unit 4, Ibn Sina Building, End of Motahari Street, Just Before Shariati Street, Tehran, Iran
City
Tehran
Province
Tehran
Postal code
1567617117
Phone
+98 21 2239 5398
Email
esteghamati@tums.ac.ir

Person responsible for updating data

Contact
Name of organization / entity
Zist Orchid Pharmed Co.
Full name of responsible person
Dr. Hamidreza Kafi
Position
Medical Department Manager
Latest degree
Ph.D.
Other areas of specialty/work
Medical Pharmacy
Street address
No 42. Attar sq, Attar st, Valiasr st, Vanak sq, Tehran, Iran.
City
Tehran
Province
Tehran
Postal code
1994766411
Phone
+98 21 4347 3000
Email
Kafi.H@orchidpharmed.com

Sharing plan

Deidentified Individual Participant Data Set (IPD)
Undecided - It is not yet known if there will be a plan to make this available
Study Protocol
Undecided - It is not yet known if there will be a plan to make this available
Statistical Analysis Plan
Not applicable
Informed Consent Form
Undecided - It is not yet known if there will be a plan to make this available
Clinical Study Report
Undecided - It is not yet known if there will be a plan to make this available
Analytic Code
Undecided - It is not yet known if there will be a plan to make this available
Data Dictionary
Not applicable
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