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A Trial Comparing 2 medicines Dydrogest vs Duphaston for Luteal Phase Support in Programmed FET Cycles

A Prospective Randomized Open Label Trial Comparing Dydrogest vs Duphaston for Luteal Phase Support in Programmed Anovulatory Frozen Embryo Transfer FET Cycles With Measurement of ET Day Dydrogesterone DYD and 20 alpha Dihydrodydrogesterone DHD Levels - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/06/112492
Enrollment
30
Registered
2026-06-11
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: Z318- Encounter for other procreative management

Interventions

Intervention1: Dydrogest: Dydrogesterone 10 mg TID Intervention2: Duphaston: Dydrogesterone 10 mg TID Intervention3: Nil: Nil Control Intervention1: NIL: NIL

Sponsors

Zydus Healthcare Limited
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Female participants aged 18 to 45 years at the time of screening Participants undergoing a programmed frozen embryo transfer FET cycle Participants receiving estradiol hemihydrate 2mg TID for endometrial preparation as part of the programmed FET protocol Confirmed anovulation defined as Absence of a follicle less than or equal to 14 mm on transvaginal ultrasound and Serum progesterone level less than 1 ng mL on Day 13 15 of estradiol administration Planned single Day 5 embryo transfer Ability and willingness to provide written informed consent prior to participation in the study

Exclusion criteria

Exclusion criteria: Escape ovulation defined as serum progesterone more than 1.0 ng mL Presence of uterine malformations or significant endometrial abnormalities that may affect implantation Known contraindications to progestogen therapy Presence of clinically significant hepatic impairment or liver disease Use of any progesterone or progestogen preparation for luteal phase support other than the assigned study medication during the study period Any medical condition or circumstance that, in the opinion of the investigator may interfere with study participation or evaluation of study outcomes

Design outcomes

Primary

MeasureTime frame
Embryo transfer ET day plasma concentrations of dydrogesterone DYD and 20 alpha dihydrodihydrogesterone DHDTimepoint: Baseline Day 2 Day 6 Day 9 Day 13 Day 15 Day 14 Day 30 Day 36 Day 90

Secondary

MeasureTime frame
To compare the clinical pregnancy rates biochemical pregnancy rates live birth rates and miscarriage rates between the two treatment arms from embryo transfer through the completion of pregnancy and delivery To compare neonatal outcomes including congenital anomalies and APGAR scores at birth between the two treatment arms To compare the proportion of participants with low systemic drug exposure defined as DYD less than 0.7 ng mL and DHD less than 20 ng mL) between the two treatment arms on the day of embryo transfer To compare gestational age at outcome defined as the exact gestational age in weeks and days at the time of delivery or pregnancy loss between the two treatment arms To compare additional neonatal outcomes including birth weight grams neonatal intensive care unit NICU admission Yes or No with reason and still birth Yes or No between the two treatment armsTimepoint: Baseline Day 2 Day 6 Day 9 Day 13 Day 15 Day 14 Day 30 Day 36 Day 90

Countries

India

Contacts

Public ContactDr Sameer Muchhala

Southend Fertility and IVF

sm_doc@southendivf.com9810122337

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 29, 2026